ANN Monger 2.0.0 is released
Monger [1] is a Clojure MongoDB driver for a more civilized age. Release notes: http://blog.clojurewerkz.org/blog/2014/06/15/monger-2-dot-0-0-is-released/ 1. http://clojuremongodb.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Elastisch 2.0.0 is released
Elastisch [1] is a small, feature rich Clojure client for ElasticSearch that supports both HTTP and native transports. 2.0 is packed with improvements, large and small, and brings improved compatibility with ElasticSearch up to 1.2.x. Release notes: http://blog.clojurewerkz.org/blog/2014/06/15/elastisch-2-dot-0-0-is-released/ 1. http://clojureelasticsearch.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: Convert clj-time date-time to UTC
2014-06-14 20:49 GMT+04:00 gvim gvi...@gmail.com: Can't think why it's not baked into the library, though, as it must be a common requirement. Feel free to submit a pull request and a few tests. The clj-time maintainers are responsive and the library is primarily driven by user feedback at this point. -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN metrics-clojure 2.1.0 is released
metrics-clojure [1] is a Clojure interace to Coda Hale's Metrics library [2]. If you are not sure why collecting metrics about your app is valuable, take a moment and watch [3]. Release notes: https://github.com/sjl/metrics-clojure/blob/master/ChangeLog.md#changes-between-20x-and-210 1. https://github.com/sjl/metrics-clojure/ 2. http://metrics.codahale.com/ 3. http://www.youtube.com/watch?v=czes-oa0yik -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: [clojure-rabbitmq] Re: Socket Exception thrown when trying to make a remote connection to server over adhoc network
On 11 June 2014 at 21:57:11, Samuel Nelson (snels...@ycp.edu) wrote: Caused by: SocketException Connection reset This message is very generic and does not explain much. Can you see connection entries in RabbitMQ log? Try connecting to RabbitMQ via telnet, for example (note that it will quickly close connection unless you enter a valid protocol header, AMQP091, and then due to connection negotiation timeout). -- MK Software Engineer, Pivotal/RabbitMQ -- You received this message because you are subscribed to the Google Groups clojure-rabbitmq group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure-rabbitmq+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: Clojure Contributor Agreement process update
Thank you for all you do. This is wonderful! -Michael O'Keefe On Tuesday, June 10, 2014 6:49:52 AM UTC-6, Tim Visher wrote: (boom) On Mon, Jun 9, 2014 at 1:23 PM, Alex Miller al...@puredanger.com javascript: wrote: Starting today, we have updated the Clojure Contributor Agreement process. The prior process which involved signing and mailing a form has been replaced with an online e-signing process. Existing contributors that have signed the Contributor Agreement are unaffected - those agreements are still in effect. New signers will use the online process. Information has been updated at: http://clojure.org/contributing As always, we welcome your contributions to the Clojure community and hope that we can continue to improve Clojure together! - Alex Miller, Rich Hickey, and the Clojure team -- You received this message because you are subscribed to the Google Groups Clojure Dev group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure-dev...@googlegroups.com javascript:. To post to this group, send email to cloju...@googlegroups.com javascript:. Visit this group at http://groups.google.com/group/clojure-dev. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: Clojure Contributor Agreement process update
2014-06-09 21:23 GMT+04:00 Alex Miller a...@puredanger.com: Starting today, we have updated the Clojure Contributor Agreement process. The prior process which involved signing and mailing a form has been replaced with an online e-signing process. \o/ -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN metrics-clojure 2.0.3
metrics-clojure [1] is a Clojure interface to the Metrics library [2]. 2.0.3 is a bug fix release: https://github.com/sjl/metrics-clojure/blob/stable/ChangeLog.md#changes-between-202-and-203 If you are not sure why gathering metrics about your apps and infrastructure is a big deal, consider watching [3]. 1. https://github.com/sjl/metrics-clojure 2. http://metrics.codahale.com/ 3. http://www.youtube.com/watch?v=czes-oa0yik -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Cassaforte 2.0.0-beta1 is released
Cassaforte [1] is a Clojure Cassandra client built around CQL 3. 2.0 is a major release that introduces breaking public API changes announced earlier [2]. Release notes: http://blog.clojurewerkz.org/blog/2014/06/07/cassaforte-2-dot-0-0-beta1-is-released/ 1. http://clojurecassandra.info 2. http://blog.clojurewerkz.org/blog/2014/04/26/major-breaking-public-api-changes-coming-in-our-projects/ -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: [clojure-rabbitmq] Re: Can TopologyRecoveryException be simulated?
On 4 June 2014 at 18:21:51, Brian Marick (br...@getset.com) wrote: I'll have the new guy do it when he starts in August. Hopefully it'll be done by then ;) -- MK Software Engineer, Pivotal/RabbitMQ -- You received this message because you are subscribed to the Google Groups clojure-rabbitmq group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure-rabbitmq+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Neocons 3.0 is released
Neocons [1] is a Clojure client for the Neo4J REST API. Release notes: http://blog.clojurewerkz.org/blog/2014/05/29/neocons-3-dot-0-0-is-released/ 1. http://clojureneo4j.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Welle 3.0.0 is released
Welle [1] is a small Clojure client for Riak with batteries included. Release notes: http://blog.clojurewerkz.org/blog/2014/05/29/welle-3-dot-0-0-is-released/ 1. http://clojureriak.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Langohr 2.11.0 is released
Langohr [1] is a small, feature complete Clojure RabbitMQ client. Release notes: http://blog.clojurewerkz.org/blog/2014/05/24/langohr-2-dot-11-dot-0-is-released/ 1. http://clojurerabbitmq.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Welle 3.0.0-rc1 is released
Welle [1] is a Clojure client for Riak with batteries included. 3.0 includes a major API revision announced earlier [2]. Release notes: http://blog.clojurewerkz.org/blog/2014/05/24/welle-3-dot-0-0-rc1-is-released/ 1. http://clojureriak.info 2. http://blog.clojurewerkz.org/blog/2014/04/26/major-breaking-public-api-changes-coming-in-our-projects/ -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: [ANN] monarch 0.2.0 - Simple database migrations for Clojure.
Good question. I had originally wanted a separate, untracked config file but couldn't decide on a format. (like separating out protocol, host, port, etc) Exporting the environment variable felt the most non-committal at the time. It wouldn't be too much work to have a file living in `resources/monarch/...`, and add another optional param to `project.clj` to tell monarch where to look. I'll see about adding this to the next version. Thanks for the feedback! On Sunday, 25 May 2014 21:16:56 UTC-6, Atamert Ölçgen wrote: Is there a reason why DATABASE_URL isn't in the project config? I guess a more relevant question would be to ask if there's something like a local config file for leiningen projects? Something that is per-project but ideally ignored by the VCS. Something that you can use to override what's inside the project.clj. On Sat, May 24, 2014 at 7:27 PM, Michael Cramm gmc...@gmail.comjavascript: wrote: I realize that there are other database migration frameworks already availablefor clojure projects, but I always seem to run into issues pretty fast in trying to use them. This is also the first plugin I've developed and made publicly available, so I'd love some feedback! I've been using Clojure for a while now but I don't really have anyone mentoring me :). https://github.com/mcramm/monarch -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.comjavascript: Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com javascript: For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+u...@googlegroups.com javascript:. For more options, visit https://groups.google.com/d/optout. -- Kind Regards, Atamert Ölçgen -+- --+ +++ www.muhuk.com -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
[ANN] monarch 0.2.0 - Simple database migrations for Clojure.
I realize that there are other database migration frameworks already availablefor clojure projects, but I always seem to run into issues pretty fast in trying to use them. This is also the first plugin I've developed and made publicly available, so I'd love some feedback! I've been using Clojure for a while now but I don't really have anyone mentoring me :). https://github.com/mcramm/monarch -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: [clojure-rabbitmq] SocketTimeoutExceptions terminates listening process
On 21 May 2014 at 16:58:38, Thomas Kristensen (thomas.kristen...@uswitch.com) wrote: you'll notice that the message gets rejected as we'd expect when the exception is NOT re-thrown, but the reject seems to be ignored in the case where we re-throw. You could argue that you should never have a handler throw exceptions to the langohr-lib, but seeing as this can happen, and since it handles exceptions just fine when :auto-ack is true (not demonstrated in the experiment, but tested and verified), it seems that a consistent behaviour on a reject should be to continue consuming. Is there something I'm missing? What do you mean by ignored? Is the channel still open? Do you see basic.reject on the wire? (e.g. using Tracer: http://www.rabbitmq.com/java-tools.html) Throwing exceptions in delivery handlers is fine, it should not exhaust consumer thread pool or anything like that. -- MK Software Engineer, Pivotal/RabbitMQ -- You received this message because you are subscribed to the Google Groups clojure-rabbitmq group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure-rabbitmq+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: [clojure-rabbitmq] SocketTimeoutExceptions terminates listening process
On 21 May 2014 at 19:15:50, Thomas Kristensen (thomas.kristen...@uswitch.com) wrote: You are right, the channel has been closed by me throwing on the exception. I attached a debugger and traced it to line 106 of DefaultExceptionHandler which closes the channel in handleChannelKiller. All of this does makes sense as a default behaviour, but it doesn't seem to be documented in langohr, so it took quite a while to figure out. Feel free to contribute doc improvements. - ack-unless-exception is confusing at best - it should not throw the exception on but handle it to be valuable. Otherwise users of langohr should just call .basicAck and .basicReject themselves. I'd vote for just removing it from langohr. - The behaviour of langohr in the case where a handler throws an exception is not documented in the doc-string of langohr.consumers/subscribe Screw doc strings. They cannot describe much because they can't be too long. http://clojurerabbitmq.info should cover this, in both Working with Queues and Error Handling and Recovery (the Queues guide can link to the Error Handling one, for example ). -- MK Software Engineer, Pivotal/RabbitMQ -- You received this message because you are subscribed to the Google Groups clojure-rabbitmq group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure-rabbitmq+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: Cljs and core.async issue
Hi Joseph.
Good to hear that you figured out your issue. LightTable has actually
fixed this issue and it is available in master.
Best.
Mike
On May 18, 2014 4:15 PM, Joseph Rollins rollins.jos...@gmail.com wrote:
Managed to figure out the culprit with some help from IRC. I was
attempting to use cljs-http 0.1.10 with clojurescript 0.0-2173 (for
lighttable compat). By swapping to using 0.1.8 of cljs-http, it worked
perfectly.
I assumed that leiningen would alert me that I had dependency mismatches,
but it appears with the default settings it doesn't throw a red flag. I
would love to hear if there is a way to change that so things don't go pow
without warning; however, I did find that grepping through the output of
lein deps :tree for overrides is a good way to detect collisions in the
meantime.
As an aside, I think I will be trying out SublimeText w/ SublimeREPL until
LightTable fixes its dependence on an increasingly old release of
clojurescript.
-Joseph
On Sunday, May 18, 2014 2:43:58 PM UTC-4, Joseph Rollins wrote:
I'm having some trouble with what should be a trivial application of
core.async and cljs-http. I have tried to debug it, but I don't have a
great setup for properly debugging. Also, debugging core.async channels is
well above my current ability.
I've whittled the code down to the least common denominator. The code is
pasted below as well as available here: https://www.refheap.com/85610.
(ns shouter.core
(:require-macros [cljs.core.async.macros :refer [go]])
(:require [om.core :as om :include-macros true]
[om.dom :as dom :include-macros true]
[cljs-http.client :as http]
[cljs.core.async :refer [! ! chan put!]]))
(enable-console-print!)
(def app-state (atom {:shouts [{:shout shout 1}{:shout shout 2}]}))
(defn- fetch-shouts [page]
(let [c (chan)]
(go (let [response (! (http/get http://google.com;))]
(! c response)))
c))
(defn shouts-view [app owner]
(reify
om/IWillMount
(will-mount [_]
(go (let [shouts (! (fetch-shouts 1))]
(prn shouts
om/IRender
(render [_]
(apply dom/ul nil
(map #(dom/li nil (:shout %)) (:shouts app))
(om/root
shouts-view
app-state
{:target (. js/document (getElementById container))})
The error I'm getting is:
1. Uncaught TypeError: undefined is not a function core.cljs:33
1. requestcore.cljs:33
2. cljs_http.client.wrap_edn_paramsclient.cljs:65
3. cljs_http.client.wrap_edn_response.cljs.core.async.impl.
dispatch.run.call.switch__6217__auto__client.cljs:72
4. (anonymous function)client.cljs:72
5. cljs_http.client.wrap_edn_response.cljs.core.async.impl.
dispatch.run.call.state_machine__6218__auto1client.cljs:72
6. cljs_http.client.wrap_edn_response.cljs.core.async.impl.
dispatch.run.call.state_machine__6218__auto__client.cljs:72
7. run_state_machineioc_helpers.cljs:34
8. run_state_machine_wrappedioc_helpers.cljs:38
9. (anonymous function)client.cljs:72
10. process_messagesdispatch.cljs:19
11. cljs.core.async.impl.dispatch.message_channel.port1.onmessage
Any help would be greatly appreciated. I am trying to tie together a
light restful service backend to a heavy client frontend with Om. It has
been really fun so far, but running into snags like above is really putting
a damper on things.
Regards,
Joseph
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ANN Cassaforte 1.3.0 is released
Cassaforte [1] is a Clojure client for Cassandra built around CQL. Release notes: http://blog.clojurewerkz.org/blog/2014/05/15/cassaforte-1-dot-3-0-is-released/ Next Cassaforte release will be 2.0 and will introduce a major public API change: http://blog.clojurewerkz.org/blog/2014/04/26/major-breaking-public-api-changes-coming-in-our-projects/ 1. http://clojurecassandra.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Monger 2.0 RC1 is released
Monger [1] is a Clojure MongoDB client for a more civilized age. 2.0 is a major release that has *breaking public API changes*. Release notes: http://blog.clojurewerkz.org/blog/2014/05/14/monger-2-dot-0-0-rc1-is-released/ Please give this RC a try. This is the biggest revision of Monger in the entire history of the project. 1. http://clojuremongodb.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Leiningen/javax.imageio
What dependencies do I add to leiningen to get javax.imageio package? -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Monger 1.8.0 is released
Monger [1] is a Clojure MongoDB client for a more civilized age. Release notes: http://blog.clojurewerkz.org/blog/2014/05/10/monger-1-dot-8-0-is-released/ Note that the next release will be 2.0, including these breaking API changes: http://blog.clojurewerkz.org/blog/2014/04/26/major-breaking-public-api-changes-coming-in-our-projects/ 1. http://clojuremongodb.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: Do not understand the - macro here
That whole form is not something you would be likely to write. I think the exercise is just trying to demonstrate that the version with the - is equivalent to the version without the arrow and perhaps also that (= a b c) can be used instead of (and (= a b) (= b c)). -- Michael Wood On 01 May 2014 5:02 PM, Roelof Wobben rwob...@hotmail.com wrote: oke, I misunderstood everyone. The right answer is last. (def A (__ (sort (rest (reverse [2 5 4 1 3 6]) which would be : (def A (last (sort (rest (reverse [2 5 4 1 3 6]) which resolves to 5 (def B (- [2 5 4 1 3 6] (reverse) (rest) (sort) (__))) Which would be : (def B (- [2 5 4 1 3 6] (reverse) (rest) (sort) (last))) which resolves also to 5 so the last part : ( = a b 5) is also true ( = 5 5 5) Still I find it wierd to make such sort of form. Roelof Op donderdag 1 mei 2014 16:35:59 UTC+2 schreef Erlis Vidal: Look that (def A ...) won't compile as given, so you cannot say A is [1 2 3 4 5], A is something else once you make it compile filling the blank space with the missing function. On Thu, May 1, 2014 at 10:24 AM, Maik Schünemann maiksch...@gmail.comwrote: The task is to replace __ with the function that makes this true in this case makes [1 2 3 4 5] to 5 On Thu, May 1, 2014 at 4:23 PM, Maik Schünemann maiksch...@gmail.comwrote: On Thu, May 1, 2014 at 3:51 PM, Roelof Wobben rwo...@hotmail.comwrote: Op donderdag 1 mei 2014 15:20:38 UTC+2 schreef Erlis Vidal: I think the confusion is because they used multiple values when comparing the equality (= (__ (sort (rest (reverse [2 5 4 1 3 6] (- [2 5 4 1 3 6] (reverse) (rest) (sort) (__)) 5) This can be seen as : (def A (__ (sort (rest (reverse [2 5 4 1 3 6]) (def B (- [2 5 4 1 3 6] (reverse) (rest) (sort) (__))) Then the 4Clojure exercise can be written as: (= A B 5) Do not feel bad, this took me some time to realize 5 was not part of B. No problem. But still it does not make any sense. If I do it right. this schould be the output of the functions A [ 1 2 3 4 5] B [ 1 2 3 4 5] (= A B 5) -- [1,2,3,4,5] = [1,2,3,4,5] = 5 and this is not true. This is the output when you don't write the function to replace __. On Thu, May 1, 2014 at 7:52 AM, Roelof Wobben rwo...@hotmail.comwrote: Is this a nice explanation about macros : http://bryangilbert.com/code/2013/07/30/anatomy-of-a-clojure-macro/ or is there a better one for a beginner. Roelof -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+u...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+u...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+u...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message
ANN Meltdown 1.0 is released
Meltdown is a Clojure interface to Reactor, an asynchronous programming, event passing and stream processing toolkit for the JVM. After several alphas and a dozen of betas, Meltdown is ready to go 1.0. If you're not sure what Meltdown is about, see the intro post: http://blog.clojurewerkz.org/blog/2013/09/04/introducing-meltdown/ Release notes: http://blog.clojurewerkz.org/blog/2014/04/29/meltdown-1-dot-0-0-is-released/ Documentation: https://github.com/clojurewerkz/meltdown#documentation 1. https://github.com/clojurewerkz/meltdown -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Meltdown 1.0.0-beta12
Meltdown [1] is a Clojure interface to Reactor. Release notes: http://blog.clojurewerkz.org/blog/2014/04/28/meltdown-1-dot-0-0-beta12-is-released/ 1. http://github.com/clojurewerkz/meltdown -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Balagan, a new ClojureWerkz project
On behalf of the ClojureWerkz team, I'm happy to announce a new project (brain child of Alex Petrov): Balagan [1]. Release notes: http://blog.clojurewerkz.org/blog/2014/04/28/balagan-1-dot-0-0-is-released/ 1. https://github.com/clojurewerkz/balagan -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Welle 2.0 is released
Welle [1] is a small, expressive Clojure client for Riak. 2.0 is a major release that has one major public API change. Release notes: http://blog.clojurewerkz.org/blog/2014/04/28/welle-2-dot-0-0-is-released/ Note that there is one more major public API change coming soon in 3.0: http://blog.clojurewerkz.org/blog/2014/04/26/major-breaking-public-api-changes-coming-in-our-projects/ 1. http://clojureriak.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: ANN Major breaking public API changes coming to several ClojureWerkz projects
2014-04-27 18:12 GMT+04:00 dgrnbrg dsg123456...@gmail.com: Is this slated for Welle too? I didn't see it mentioned. Yes. -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Major breaking public API changes coming to several ClojureWerkz projects
If you use a ClojureWerkz project or two please read this announcement: http://blog.clojurewerkz.org/blog/2014/04/26/major-breaking-public-api-changes-coming-in-our-projects/ -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Neocons 3.0.0-rc1 is released
Neocons [1] is an idiomatic Clojure client for the Neo4J REST API. 3.0 has a *major breaking API change*. Release notes: http://blog.clojurewerkz.org/blog/2014/04/26/neocons-3-dot-0-0-rc1-is-released/ Background: http://blog.clojurewerkz.org/blog/2014/04/26/major-breaking-public-api-changes-coming-in-our-projects/ 1. http://clojureneo4j.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Elastisch 2.0.0-rc1 is released
Elastisch [1] is a small, feature complete Clojure client for ElasticSearch that supports both REST and native transports. 2.0 has one major breaking API change and is packed with improvements related to ElasticSearch 1.0 and 1.1 releases. Release notes: http://blog.clojurewerkz.org/blog/2014/04/26/elastisch-2-dot-0-0-rc1-is-released/ Background: http://blog.clojurewerkz.org/blog/2014/04/26/major-breaking-public-api-changes-coming-in-our-projects/ 1. http://clojureelasticsearch.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: What's clojure killer app? I don't see any.
2014-04-19 20:15 GMT+04:00 Paulo Suzart paulosuz...@gmail.com: People say clojure is good for data. But where are the cases? And more specifically, where are the frameworks and libs to support it? Are they talking about wrappers around java for Hadoop? Sigh... I see lots of companies of all sizes use Clojure successfully for data processing. The great thing about data processing is that there are many ways to do it. Some use Cascalog, some use libraries unrelated to Hadoop, others use just Clojure. So while there may or may not be a single killer app like Rails, Clojure is fantastic at this particular group of problems, as demonstrated by companies from 10 to 10s of thousands of people. -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: What's clojure killer app? I don't see any.
2014-04-20 1:26 GMT+04:00 Paulo Suzart paulosuz...@gmail.com: You are taking about a bunch of wrappers. They are not bad, but will not make these people to move their asses from java. Ask someone who's used Cascalog if they want to go back to writing Hadoop jobs in Java. Just a wrapper can be a drastic productivity booster. -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: what's the elegant way to write this code in clojure?
On Apr 18, 2014, at 09:05 , sd song sd.s...@gmail.com wrote: another question is: i think code like: (if (nil? page) lmt page) is ugly. is there some functions in clojure like (get_default_value_3_if_a_is_null a 3) ? If you're OK with false being treated the same as nil, you can do (or page lmt). -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Meltdown 1.0.0-beta10 is released
Meltdown [1] is a Clojure interface to Reactor, an asynchronous programming toolkit for the JVM. Release notes: http://blog.clojurewerkz.org/blog/2014/04/18/meltdown-1-dot-0-0-beta10-is-released/ 1. http://github.com/clojurewerkz/meltdown -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Elastisch 2.0.0-beta4 is released
Elastisch [1] is a small, feature complete Clojure client for ElasticSearch. Release notes: http://blog.clojurewerkz.org/blog/2014/04/11/elastisch-2-dot-0-0-beta4-is-released/ 1. http://clojureelasticsearch.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: boolean problem
On Apr 17, 2014, at 02:34 , Tassilo Horn t...@gnu.org wrote: And now you have an if without then which will give you another exception. Not true. It's more common to use 'when', but single-branch ifs are perfectly fine. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: boolean problem
On Apr 17, 2014, at 07:38 , Tassilo Horn t...@gnu.org wrote: Michael Gardner gardne...@gmail.com writes: And now you have an if without then which will give you another exception. Not true. It's more common to use 'when', but single-branch ifs are perfectly fine. Yes, but that was a zero-branch if, and that's not ok. Oh duh, my bad. I read that as if without else for some reason. Sorry for the noise. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Elastisch 2.0.0-beta4 is released
Elastisch [1] is a small, feature complete Clojure client for ElasticSearch. Release notes: http://blog.clojurewerkz.org/blog/2014/04/11/elastisch-2-dot-0-0-beta4-is-released/ 1. http://clojureelasticsearch.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Langohr 2.9.0 is released
Langohr [1] is a small, feature complete Clojure client for RabbitMQ. Release notes: http://blog.clojurewerkz.org/blog/2014/04/09/langohr-2-dot-9-0-is-released/ 1. http://clojurerabbitmq.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: Thoughts on a curly-infix reader macro?
I prefer Unfix -- http://fogus.me/fun/unfix/ ;-)
On Fri, Apr 4, 2014 at 12:45 PM, Alex Miller a...@puredanger.com wrote:
Incanter supports this with the $= prefix:
($= 7 + 8 - 2 * 6 / 2)
http://data-sorcery.org/2010/05/14/infix-math/
Might be worth looking at...
On Thursday, April 3, 2014 11:17:32 PM UTC-5, Joshua Brulé wrote:
Proposal:
For an *odd* number of forms a, x, b, ...
{a x b x c ...} = (x a b c ...)
{a x b y c ...} = (*nfx* a x b y c ...)
Reasoning:
Even after a lot of practice, prefix math is still harder (at least for
me...) to read than non-prefix math. The [], () and matching delimiters
are already taken, but {} is only used for an even number of forms (and, in
fact, throws an exception on an odd number of forms.)
; trumped-up examples
(defn harmonic-mean [x1 x2]
{{2 * x1 * x2} / {x1 + x2}})
(defn fib [n]
(cond
{n = 0} 1
{n = 1} 1
:else {(fib {n - 1}) + (fib {n - 2})}))
Basically, I'm claiming a solid win on readability, and no risk of
breaking any existing code.
I realize there's a certain risk of mistaking curly-infix for a map
literal when reading code, but I think it's minimal. To me, at least, {x +
y} just doesn't look like a map.
Thoughts?
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ANN Langohr 2.8.2 is released
Langohr 2.8.2 has no change log entry: there are no user facing changes from 2.8.1, only some corrections to make it compile against RabbitMQ Java client 3.3.0 from scratch (after `lein clean`). -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Validateur 2.0.0 is released
Validateur [1] is a small validation library for Clojure and ClojureScript. Release notes: http://blog.clojurewerkz.org/blog/2014/04/02/validateur-2-dot-0-0-is-released/ 1. http://clojurevalidations.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Propertied 1.2.0
Propertied [1] is a tiny library for working with property files and java.util.Properties. Release notes: http://blog.clojurewerkz.org/blog/2014/04/02/propertied-1-dot-2-0-is-released/ 1. https://github.com/michaelklishin/propertied -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Langohr 2.8 is released
Langohr [1] is a small, feature complete Clojure RabbitMQ client. Release notes: http://blog.clojurewerkz.org/blog/2014/04/02/langohr-2-dot-8-1-is-released/ 1. http://clojurerabbitmq.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: Amazonica performance: options?
time ec2-describe-images -a ec2-cli-images.txt
real 1m26.401s
user 0m6.551s
sys 0m1.159s
and writes a 7.5MB file to disk. Note the -a flag, to list all of the
available public images.
in a repl,
(time (spit clj-awz-images.txt (describe-images)))
Elapsed time: 90258.47 msecs
and writes an 18MB file to disk containing all the available public images.
Am I missing something?
You can also pass a list of filters to the call to narrow the result.
On Friday, March 28, 2014 7:59:48 AM UTC-7, Dave Tenny wrote:
I'm trying to code some amazonica based solutions in a nontrivial AWS
environment.
I work with many AWS accounts and it isn't unusual to see a thousand
instances running on one account, and similar excesses in other types of
AWS resources. So if you're going an ec2-describe-instances (or amazonica
equivalent), it needs not to choke in this environment.
I like the way amazonica does all the bean marshalling for me so I can
express queries simply. But the returned datasets need to be more
pragmatic/performant.
The problem for me is that Amazonica doesn't seem up to the task of
dealing with queries that return large volumes of data.
It has nothing to do with reflection I suspect, and more to do with
unwieldy amounts of duplicate information in the result unmarshalling
process.
The clojure all the way down philosophy results of duplicated
information and just printing the result to a file takes a long time.
If I accidentally let the output go to an emacs cider repl buffer, then
things get so wedged up to the point I may as well kill -9 emacs.
(Known cider repl issues here, it isn't all amazonica).
For example: here's how long it takes to run the java based ec2 cli to
describe instances on an account:
$ time ec2-describe-images /tmp/ec2-cli-images.out
real0m11.484s
user0m2.564s
sys 0m0.129s
And here's how long it takes from a 'lein repl' to run the same query on
the same account:
(time (with-output [/tmp/clj-awz-images.out] (println
(ec2/describe-images
Elapsed time: 194685.552683 msecs
Now the amount of data being printed by the EC2 CLI is of course much
different than the output from Amazonica,
amazonica is returning everything in gory duplicate map detail, ec2 is
not, as evidenced by the relative output sizes:
-rw-rw-r--. 1 dave dave 17201290 Mar 28 10:35 clj-awz-images.out
-rw-rw-r--. 1 dave dave99342 Mar 28 10:26 ec2-cli-images.out.11.5s
Where the amazonica output starts with:
{:images [{:hypervisor xen, :state available, :virtualization-type
paravirtual, :root-device-type instance-store,
... and goes on like that with duplicate keywords all the way down.
Anyway, my goal isn't to turn amazonica into ec2 cli. But even the most
trivial operations in amazonica (especially the most trivial, i.e. those
lacking filters against large data sets), pretty much whack me left and
right
with CPU wedged tools and (completely unacceptable) long waits for results.
Any suggestions on how to use amazonica in a way where the output is ...
different, and minimal/workable?
Or am I left with going to another package or writing my own java sdk
api's directly?
I'm pretty sure the results need to be structures whose relationship to
data values is implicit (and not explicit in map keys). I don't see any
options with amazonica to change this however.
Thanks for suggestions, forgive me if I've missed something obvious. I'm
just trying to see what's out there and at the same time move along quickly
enough that I can get some usable tools for work (so I can lose all my
python and bash scripts for various interfaces, I want clojure!).
- Dave
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Re: vim-fireplace debug workflow: modifying jars
Don't worry about the jar, especially. You can have your own git checkout of the upstream project you're working with, and that'll work just fine. Open a source file you need to work with, connect with nrepl, edit a function, and eval -- that should be enough. On Thursday, March 27, 2014 11:43:19 AM UTC-7, Brian Craft wrote: Describing my debug workflow woes at clojure/west, it was suggested to me that I could jump into the jar file for a library and add print statements to elucidate its inner workings. I guess this is supported in emacs? Jump into the library source jar, edit, reload into the repl? How does this work, exactly? Does it rewrite the zip file and load that to the repl, or just update the repl from the working buffer? I just tried this in vim-fireplace, but it threw an error on writing to the jar buffer. Alternatively, perhaps I should eval it w/o trying to save the jar. That works so long as I then only evaluate expressions from the same namespace. In other namespaces, the edits are not apparent. It's like there are two versions of the namespace active in the repl. Not sure what's going on, or how to make other namespaces aware of the changes. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: creating a map
For reasons unclear to me, (into {} ...) expects a sequence of 2-element
*vectors*, not just 2-element collections. partition returns a seq of lists,
not vectors, which is why you're getting that exception. You could try (into {}
(map vec (partition 2 2 12))) instead.
On Mar 26, 2014, at 15:36 , Andy Smith the4thamig...@googlemail.com wrote:
Hi all,
I was wondering why this doesn't create a map 1 - 2 :
(into {} (partition 2 2 12))
Must be yet another misunderstanding of mine.
Thanks
Andy
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ANN Elastisch 2.0.0-beta2 is released
Elastisch [1] is a small, feature complete client for ElasticSearch that provides both REST and native clients. Release notes: http://blog.clojurewerkz.org/blog/2014/03/23/elastisch-2-dot-0-0-beta2-is-released/ Sister projects: http://clojurewerkz.org 1. http://clojureelasticsearch.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: Clojure 1.6.0-RC1 - LAST CHANCE, PLEASE TEST
2014-03-18 18:21 GMT+04:00 Alex Miller a...@puredanger.com: We need your help in checking out the current release candidate - this is your opportunity to let us know about problems *before* we release, rather than after. No issues to report from testing 20+ ClojureWerkz projects on 1.6.0-RC1. -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: Calling from a macro to a private macro
You don't have the macro generate a call to the private function, you have the macro call the private function directly replace: (defmacro call-self* [x] `(~x ~x)) (defmacro call-self [x] `(do (println calling form ~(str x) with itself) (call-self ~x))) with: (defn- call-self* [x] `(~x ~x)) (defmacro call-self [x] `(do (println calling form ~(str x) with itself) ~(call-self x))) The function call-self* is still called at compile-time and is called *by the call-self macro*, not the generated client code. Make sense? On Monday, March 17, 2014 10:31:36 AM UTC-7, Yoav Rubin wrote: I need to do it, as I need the arguments to remain not evaluated until they get to that private macro. That private macro does some work on the arguments before they get evaluated (the arguments themselves are s-expressions). Still, even if it is a private function - how can I call it from a macro that is called from another namespace? On Monday, March 17, 2014 4:19:19 PM UTC+2, James Reeves wrote: Don't use a private macro: use a function that spits out an s-expression. - James On 17 March 2014 06:02, Yoav Rubin yoav...@gmail.com wrote: Hi All, I have a namespace that has two macros as part of its public API, and another macro that act as helpers for the public macro (defmacro helper-mac [arg1 arg2 f] ;; do stuff with f , arg1 and arg2 ) (defmacro m0 [arg1 arg2] (priv-mac arg1 arg2 f1) ) (defmacro m1 [arg1 arg2] ( (priv-mac arg1 arg2 f2) ) f1 and f2 are just two functions. I would like to make the helper macro private (using ^:private), but when I do it and call either m0 or m1 from another namespace, I get an exception saying that helper-mac is private. Is it possible to call from to a macro in another namespace when that macro is calling a private macro in its namespace? Thanks, Yoav -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+u...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Meltdown 1.0.0-beta8
Meltdown [1] is a Clojure interface to Reactor [2], an asynchronous programming toolkit for the JVM. Release notes: http://blog.clojurewerkz.org/blog/2014/03/16/meltdown-1-dot-0-0-beta8-is-released/ 1. https://github.com/clojurewerkz/meltdown 2. http://spring.io/blog/2013/11/12/it-can-t-just-be-big-data-it-has-to-be-fast-data-reactor-1-0-goes-ga -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: XOR two arrays into a third on Clojure
Might be slow because of the polymorphic nature of nth. If you replace nth with aget (and turn on *warn-on-reflection*, which is a good idea when performance-tuning), you'll get reflection warnings because Clojure doesn't know what Java method to use since it doesn't know what type of objects a and b are. Once you silence those with type hints like in Walter's example, you get roughly a 2x speedup (in my tests). BTW, I'd write it like this: (defn inplace-xor [^bytes a ^bytes b ^bytes out] (dotimes [i (alength a)] (aset-byte out i (bit-xor (aget a i) (aget b i) On Mar 13, 2014, at 00:26 , Ignacio Corderi icord...@soe.ucsc.edu wrote: Hey guys, here is a huge performance problem I'm trying to figure out: ;; Say you have 2 data arrays sitting out there of 1 MB (def one-mb (byte-array (* 1024 1024))) (def another-mb (byte-array (* 1024 1024))) ;; and another one that should have the byte-by-byte XOR of the previous two (def out-mb (byte-array (* 1024 1024))) ;; question is... how do you code this guy, so that it doesn't take forever (defn inplace-xor [a b out] (def ln (count a)) (loop [x 0] (if ( x ln) (do (aset-byte out x (bit-xor (nth a x) (nth b x))) (recur (+ x 1)) ;; checking the time (time (inplace-xor one-mb another-mb out-mb)) ;; takes about ~400ms which is well... A LOT ;; I'm happy to receive a solution that involves calling some java library... Thanks in advance! -Ignacio -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: XOR two arrays into a third on Clojure
On Mar 13, 2014, at 07:34 , Alex Miller a...@puredanger.com wrote: Agreed with all the comments on this so far. I would also say that dotimes is slower than loop for stuff like this so I would also make that change. The dotimes version is slightly faster on my hardware. Why would it be slower? -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: traversing amazonica (or other nested data) results
I get a typical clojure-y set of data fairly deeply nested data
structures that I have yet to master with respect to traversing using
basic clojure operations
You get an arbitrarily nested Clojure, not Clojure-y, data structure
precisely because those maps, lists, and sets suffice in 99% of cases and
the language has probably the best set of functions (including those data
structures themselves!) for working with them of any language out there.
Honestly, Clojure's data structures and the suite of polymorphic functions
that go with them are kind of the whole point of the language. Just keep
practicing using them.
2 maps, a flatten, a select-keys, anddata...
(- (describe-instances)
:reservations
(map :instances)
flatten
(map #(select-keys % [:instance-id :instance-type
:public-ip-address]))) ;; whatever other keys you're interested in
On Wednesday, March 12, 2014 4:13:06 AM UTC-7, Dave Tenny wrote:
If I do something like a describe-instances call in amazonica, I get a
typical clojure-y set of data fairly deeply nested data structures
that I have yet to master with respect to traversing using basic clojure
operations.
Given a result that basically ends up looking like pages of interleaved
maps and arrays, what should I be using to pick out
nested key/value information?
{:reservations [{:reservation-id r-3da23a55,
... pages of output ...
}]}]}]}
user=
'get-in' won't do it because of the arrays (or PersistentArrayMaps, as the
case may be).
I was hoping to avoid zippers, but maybe that is the idiomatic way to do
it, I don't know.
What's the easy way to traverse these things? This is a very common data
pattern in using clojure to access everything from html content to AWS data.
I just want to pluck out the :instance k/v information in the nested
morass of data printed at my REPL but I haven't yet found the intuitive and
idiomatic way to do it.
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ANN Langohr 2.7.1 is released
Langohr [1] is a small, feature complete Clojure client for RabbitMQ. Release notes: http://blog.clojurewerkz.org/blog/2014/03/11/langohr-2-dot-7-1-is-released/ 1. http://clojurerabbitmq.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Elastisch 2.0.0-beta1 is released
Elastisch [1] is a small, feature complete Clojure client for ElasticSearch that provides both HTTP and native transports. 2.0 focuses on compatibility with and support for the new features in ElasticSearch 1.0. Release notes: http://blog.clojurewerkz.org/blog/2014/03/10/elastisch-2-dot-0-0-beta1-is-released/ 1. http://clojureelasticsearch.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
ANN Langohr 2.5.0 is released
Langohr [1] is a small, feature complete Clojure client for RabbitMQ. Release notes: http://blog.clojurewerkz.org/blog/2014/03/06/langohr-2-dot-5-0-is-released/ 1. http://clojurerabbitmq.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: [ANN] Clojure 1.6.0-beta2
2014-03-05 21:47 GMT+04:00 Sean Corfield s...@corfield.org: We've been running our (World Singles) test suite against 1.6.0-master-SNAPSHOT for some time as a matter of course and haven't tripped over anything so far (that I can recall). The only change in our bugbase due to 1.6.0 was the earlier change to disallow keyword literals that start with a digit (which I believe was reverted?). CongoMongo had a test failure (due to the hashing changes?). It was a suspicious test that was relying on the sequence ordering of iterating over a set so I just fixed the test. All or nearly all ClojureWerkz projects test against 1.6.0-beta2 and master. Most order dependent tests fail with 1.6, and sometimes it is annoying (e.g. JSON generation tests that compare strings). Nothing that I'd consider a Clojure bug, though. -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: ANN: rx-cljs, A ClojureScript wrapper for Reactive Extensions
Awesome! I've been addicted to Rx lately and this is just what I need for one of my projects. I'll definitely check this out and let you know how it goes. On Tuesday, May 21, 2013 4:01:46 AM UTC-4, Leonardo Borges wrote: Hey guys, Given some recent work I've been doing with RxJS [1], I ended up writing a small Clojurescript wrapper for it. The idea of being familiar with a common API in multiple environments (Java, Javascript and Clojurescript) is what triggered this approach. The README contains sample snippets and a link to an example app, as well as a list of what's been implemented. But be warned: it's very early days and this wrapper is still very much incomplete. I'm keen on spending more time on it if there is enough interest - at the moment I've only implemented what I needed. Where to find it: Github: https://github.com/leonardoborges/rx-cljs Clojars: https://clojars.org/com.leonardoborges/rx-cljs [1]: https://github.com/Reactive-Extensions/RxJS Cheers, Leonardo Borges www.leonardoborges.com -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: The future of CongoMongo?
2014-02-28 14:35 GMT+04:00 xavi xavi.caba...@gmail.com: When asked (a year ago) why I didn't use Monger I said I prefer CongoMongo because it's smaller and so probably easier to understand Monger's API follows MongoDB shell. CongoMongo invents a completely new API. I'll let you decide which one is easier to understand. Not having used Monger, I don't know what you mean by much richer composable DSL, but in general I don't like using specific DSLs for something that it already has its own language (I mean that MongoDB already has a query language, so I prefer to use something as close as possible to that, not another abstraction on top of that with its own limitations and problems that at the ends doesn't save me from having to learn the original language). Monger's query DSL is documented and completely optional: http://clojuremongodb.info/articles/querying.html#monger_query_dsl If you don't use it, you query/update/etc using the same constructs as in Mongo shell. -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Comparing Regular Expression pattens for equality?
You can compare the output of the .pattern or .toString methods if all you care about is finding regexes made from the exact same patterns. There's no simple way to detect equivalent regexes made from different patterns, though. As for why = doesn't do this, you'd have to talk to the Java folks about that (since Clojure's = just calls .equals on Java objects). I suspect it has to do with the problem of equivalent patterns. On Feb 26, 2014, at 05:55 , Thomas th.vanderv...@gmail.com wrote: Hi Everyone, I am creating some regular expressions programmatically with re-pattern. In order to avoid creating the same regex pattern again I want to check if it already exists. But comparing regex pattern doesn't seem to be work: user= (= #test #test) false user= (identical? #test #test) false Not surprised that identical? doesn't work to be honest, but = should have worked IMHO Is there a way to do this? TIA Thomas -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: error in website text
I do believe that the sentence is correct as written. That is, Clojure strives to solve the same kinds of problems that Java is typically used to solve. On Wed, Feb 26, 2014 at 8:58 AM, Janek Warchoł lemniskata.bernoull...@gmail.com wrote: Hello, On clojure.org/rationale there is a sentence It endeavors to be a general-purpose language suitable in those areas where Java is suitable It seems that a not is missing at the end. best, Janek Warchoł -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- http://blog.fogus.me -- http://github.com/fogus -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: The future of CongoMongo?
2014-02-27 4:56 GMT+04:00 Mark Engelberg mark.engelb...@gmail.com: I've looked at monger a couple of times, and felt it was more involved than I wanted. For example, I was turned off by the need to manually create object IDs as part of creating records. I like how congomongo does it for me. See monger.collection/insert-and-return -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Email delivery libs not working
2014-02-25 14:08 GMT+04:00 The Dude (Abides) exel...@gmail.com:
(postal/send-message
^{:host smtp.mandrillapp.com
:user your mandrill acct email address
:pass your mandrill api key
:port 587}
{:type text/html
:from from email address
:to to email address
:subject (render Hi from {{firstname}} {:firstname (session/get
:firstname)})
:body [{:type text/html; charset=utf-8
:content (render-resource
email/templates/hello.html.mustache
{:name Uncle Scooby :memberid (session/get :member-id)})
}] })
Let me just say that the choice to use metadata to pass crucial connection
arguments
in Postal was wrong.
We will be replacing Postal in ClojureWerkz Mailer for this reason.
--
MK
http://github.com/michaelklishin
http://twitter.com/michaelklishin
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Re: Image Resizer lib exception error
2014-02-25 16:46 GMT+04:00 Moritz Ulrich mor...@tarn-vedra.de: Just from the looks of the exception, you might need to pass an input-stream or reader instead of a path. which can be instantiated with http://clojuredocs.org/clojure_core/clojure.java.io/input-stream and http://clojuredocs.org/clojure_core/clojure.java.io/reader -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
ANN Meltdown 1.0.0-beta5 is released
Meltdown [1] is a Clojure interface to Reactor [2], an asynchronous programming toolkit for the JVM. beta5 is a development release that primarily focuses on updating Reactor to 1.1.0.M1 and fixing issues. Release notes: http://blog.clojurewerkz.org/blog/2014/02/26/meltdown-1-dot-0-0-beta5-is-released/ 1. https://github.com/clojurewerkz/meltdown 2. http://spring.io/blog/2013/11/12/it-can-t-just-be-big-data-it-has-to-be-fast-data-reactor-1-0-goes-ga -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Clojure / polyglot position at OpinionLab in Chicago
2014-02-24 22:47 GMT+04:00 John Jacobsen eigenhom...@gmail.com: Though I'm fairly new here I'm happy to answer questions or forward them to the appropriate place. Lots of people on this list are not based in Chicago or US. Will remote candidates be considered? -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: clojure - beam compiler
2014-02-23 13:40 GMT+04:00 t x txrev...@gmail.com: Thus, my question -- are there any active efforts to port clojure (say via cljs's compiler) to Erlang/Beam ? Take a look at Joxa: http://joxa.org/ -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Hiring Clojure developers for our distributed team at Outpace Systems
2014-02-19 18:41 GMT+04:00 Paul Stadig p...@stadig.name: If you are interested in working from home on a distributed team writing Clojure code, then feel free to contact me. If you aren't quite sure how the distributed team thing works, or are concerned about your Clojure skill level etc, then please still feel free to contact me. Not everyone at Outpace has a background in Clojure. Paul, I believe last time candidates from non-US timezones were not considered. Is it still the case? I'm pretty sure plenty of potential candidates on this list care to know. -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: call clojure from java
2014-02-18 16:00 GMT+04:00 Sunil S Nandihalli sunil.nandiha...@gmail.com: You can't call a clojurescript function from java. However you can call clojure-code from Java and clojurescript code from javascript. I think the idea is to call a Clojure script (with a space) from Java. Use clojure.lang.RT#var and clojure.lang.IFn#invoke to call clojure.core/load-file and similar clojure.core functions: http://en.wikibooks.org/wiki/Clojure_Programming/Tutorials_and_Tips#Invoking_Clojure_from_Java -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Function that weaves two collections together - looking for feedback
You may be interested in the core function 'interleave'. As for (into []), it's perfectly idiomatic as long as you actually need to return a vector and not just some kind of sequence (the more common case). But note also the mapv/filterv/reduce-kv family of functions, though they're not directly applicable here. On Feb 18, 2014, at 22:58 , Laurent Droin laurentdr...@gmail.com wrote: Hi, Continuing my little pet project (small program really) to learn Clojure, I am now working on a function whose description would be something like: Returns a collection 'weaving' 2 collections (boundaries into categories). Boundaries must have one element less than categories. For example, if categories is [:z1 :z2 :z3 :z4 :z5] and boundaries is [120 150 165 180] returns [:z1 120 :z2 150 :z3 165 :z4 180 :z5] Assume the precondition is enforced. If categories has n elements, boundaries has n-1. I have tried to come up with a good implementation. I actually came up with two, one that is non recursive, and one that is recursive. But I'm not fully satisfied. I have the feeling that it's possible to make the function simpler, and more elegant but I only know a subset of Clojure and am surely missing some good idioms that I could/should be using. So once again, relying on feedback from experienced Clojurists to show me the way :-) Here is what I have so far: 1- the non recursive function - based on mapcat (defn build-quantize-defs [categories boundaries] (conj (into [] (mapcat #(vector %1 %2) categories boundaries)) (last categories))) 2 - the recursive function (defn build-quantize-defs-recur [categories boundaries] (let [c (first categories) b (first boundaries)] (if (nil? b) [c] (into [] (concat [c] [b] (build-quantize-defs-recur (rest categories) (rest boundaries))) Both functions work (on my example at least). One of the things I don't like, is my abusing (or the feeling that I am abusing anyway) of this into [] idiom. I find myself constantly turning things into vectors. That doesn't seem right and maybe I am using it in places it's not needed. That's probably because I don't quite have a very good idea of how collections work just yet. Thanks for any feedback. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: [ANN] Clojure 1.6.0-beta1
On Feb 14, 2014, at 17:25 , Alex Miller a...@puredanger.com wrote: The names of these functions were chosen by Rich. There was already some name overloading of some even before these new functions with some (truthy) and some-/some- (not nil). The new functions keep with the latter meaning. Many other names were considered, including everything I've seen someone mention (-not-nil, exists, nnil, etc). As far as I know these names are final, however, I will relay all of the feedback I've seen here, on #clojure, and on Twitter to Rich for consideration. Probably way too late for this, but if there are truthy and non-nil versions of multiple functions/macros then it would be good to use a consistent suffix to indicate those semantics, e.g. if/if*, when-let/when-let*, etc (asterisk just used as an example). -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: java.jdbc 0.3.3 select query exception: clojure.lang.LazySeq cannot be cast to clojure.lang.IFn
2014-02-15 7:55 GMT+04:00 The Dude (Abides) exel...@gmail.com: However this results in an exception error: java.lang.ClassCastException clojure.lang.LazySeq cannot be cast to clojure.lang.IFn Please post a complete stack trace. -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: range-sum
On Feb 13, 2014, at 08:56 , Stuart Sierra the.stuart.sie...@gmail.com wrote: No. Clojure's `apply` is lazy. Varargs are passed to the function as a lazy sequence, and it's up to the function to realize them or not. It's worth noting (for people who might try to rely on that laziness) that apply will always realize its first four arguments. See http://clojurian.blogspot.com/2012/11/beware-of-mapcat.html -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: range-sum
On Feb 13, 2014, at 14:31 , Michael Gardner gardne...@gmail.com wrote: On Feb 13, 2014, at 08:56 , Stuart Sierra the.stuart.sie...@gmail.com wrote: No. Clojure's `apply` is lazy. Varargs are passed to the function as a lazy sequence, and it's up to the function to realize them or not. It's worth noting (for people who might try to rely on that laziness) that apply will always realize its first four arguments. See http://clojurian.blogspot.com/2012/11/beware-of-mapcat.html On further examination, I don't think this is correct. user= (defn f [x] (println x) x) #'user/f user= (defn s [n] (lazy-seq (cons (f n) (s (inc n) #'user/s user= (defn myfn [ args] nil) #'user/myfn user= (apply myfn (s 0)) 0 1 nil I can't explain why exactly two of the elements in (s 0) are being realized here, but in any case my claim seems to be wrong. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: range-sum
On Feb 13, 2014, at 15:17 , Mauricio Aldazosa mauricio.aldaz...@ciencias.unam.mx wrote: My guess is that when using a rest-param a call to next is involved thus realizing two elements of the sequence. A destructured vararg is nil when there are no more items, which indeed requires realizing at least the first item. But that only explains why the first item gets realized, not the second (unless I'm missing something). -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Korma Sql model not accepting url var
2014-02-11 12:22 GMT+04:00 The Dude (Abides) exel...@gmail.com: (GET /member/:id [id] (get-the-member id)) id here likely ends up being a string but your Postgres column is an integer. Try (Integer/valueOf id). -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: map semantics
On Feb 8, 2014, at 15:14 , Andy C andy.coolw...@gmail.com wrote: It all boils down this: is it possible to have two clojure.lang.PersistentHashSet with identical values (in mathematical sense) but producing different seqs? Are you serious? The entire point of the email you responded to was to answer that question. (But why male models?) -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: [ANN] clara-rules 0.4 released
The theme of this release is rules as data Yay! Great job Ryan. I look forward to checking out your changes. On Thu, Feb 6, 2014 at 10:15 PM, Ryan Brush rbr...@gmail.com wrote: The 0.4.0 release of Clara is up on Clojars. The github page is at [1]. The theme of this release is rules as data, which I wrote about at [2]. In a nutshell, all rules and the Rete network itself are defined by well-defined data structures (via Prismatic Schema), which opens a lot of doors: * Alternate front ends to Clara can now be written, generating rules in the schema-compliant format. If the defrule-style DSL isn't your thing, you can generate rules via any mechanism you want. * Tooling can now be written to inspect the rules and their relationships, with some examples in the blog at [2]. * The Rete network itself is also a schema-defined data structure, opening the door for visualizing the working memory itself. There are some breaking changes for the ClojureScript support: I moved the logic to generate a Rete network in ClojureScript to be driven at compile time...meaning we can assemble an optimized network on the server, rather than having the client do that computation every time it loads. Details and an example are linked at [3]. I haven't yet used the ClojureScript version in anger, but am maintaining it because there is interest and it's cool to see this running in a browser. ;) I expect future releases to be smaller and more frequent. Getting Clara on a solid basis of well-defined structures was a significant effort, but I think it puts it in a stronger position with a number of advantages over existing rule engines. [1] https://github.com/rbrush/clara-rules [2] http://www.toomuchcode.org/blog/2014/01/19/rules-as-data/ [3] https://github.com/rbrush/clara-rules/wiki/ClojureScript -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- http://blog.fogus.me -- http://github.com/fogus -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: map semantics
On Feb 7, 2014, at 22:17 , Andy C andy.coolw...@gmail.com wrote: Having map to produce a lazy seq implies that the input must be serializable (or linear). That's just what map is in Clojure: an operation on sequences. It works on various concrete types because those can be viewed as sequences; map knows nothing of their structure. What you're looking for is another abstraction entirely (see clojure.walk, for example). -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: ANN: Another binary parser combinator - this time for java's streams
On Jan 30, 2014, at 01:36 , Steffen steffen.die...@gmail.com wrote: If you would like to use a specific codec other than :byte or :ubyte but also restrict the number of bytes read this would only work if you expected to have some kind of optional padding after your objects, like: (padding inner-codec 4096). Yes, that's exactly what I need. I didn't try 'padding because the docs seemed to say that it works only when encoding. My only problem is that when decoding, I don't know how many objects to expect before the padding (this is for parsing ID3v2 tags). Ideally I'd like to say something like (padding (repeated frame-codec) byte-count), with the padding taking over once the inner codec fails to parse the next available bytes (but see the next point). (defn enum [type m] (compile-codec type m (clojure.set/map-invert m))) So m would be a map of for example keywords to a native datatype like int that would allow you to represent a fixed number of things with distinct binary representations? Looks good to me. What do you think should be the behaviour in case of an unspecified value (not in m)? I'd expect an exception to be thrown in case of an unspecified value. But when decoding, it would be nice if the exception were (optionally?) swallowed when occurring inside a 'padding construct, to allow something like the above example. Though I don't know how many other binary formats would require something like that; I imagine most aren't as dumb as ID3v2. Currently the index in the vector is the index of the bit. Yes, that means LSB-first. Then the docs seem to be wrong (or at least confusing), since the example code for 'bits says the first item corresponds to the highest bit. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: ANN: Another binary parser combinator - this time for java's streams
On Jan 30, 2014, at 08:10 , Steffen Dienst steffen.die...@gmail.com wrote:
That's exactly what padding is designed to do: Let's say you know there is a
run of bytes with a known length (from a header field maybe) and you want to
parse an unbounded number of objects within this area. You could use
(padding (repeated inner-codec) 1024)
Excellent.
Currently codecs don't know about their context, that means, I can't behave
differently depending on whether a codec is used within a padding or not,
sorry.
It could work the other way around, with 'padding catching certain types of
exceptions thrown by its inner codecs.
For example, when parsing something like (padding (repeated (constant 0x99))
len pad-byte), padding could catch the exception thrown by the constant codec
and then use pad-byte to parse the remaining bytes.
But I can live without this, if it's too niche or too hard to implement.
Then the docs seem to be wrong (or at least confusing), since the example
code for 'bits says the first item corresponds to the highest bit.
Thanks, I fixed the documentation.
A couple other things about the README:
The docs for 'header say that body-header should produce a codec that will be
used to encode the header, but in testing I've had to make it return the header
directly (which does make more sense).
Also, the expression #{:a :b:last} in the 'bits section is missing a space.
Thanks for all the help, by the way!
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deadlock when using clojure data structures at startup
I work on a Java team, so our use of clojure is either a) calling into clojure from java or b) directly using the clojure data structures. Recently we had an app fail because, as it was starting up, one thread was trying to require a clojure namespace, and another was trying to use a PersistentHashSet. Somehow these two threads wound up in deadlock. I've reproduced the problem with minimal code here: https://github.com/MichaelBlume/deadlock Jstack output follows Thread-0 prio=5 tid=0x7fa282077800 nid=0x5203 in Object.wait() [0x00015dce4000] java.lang.Thread.State: RUNNABLE at clojure.lang.Util.hasheq(Util.java:170) at clojure.lang.PersistentHashMap.hash(PersistentHashMap.java:120) at clojure.lang.PersistentHashMap.assoc(PersistentHashMap.java:142) at clojure.lang.PersistentHashSet.cons(PersistentHashSet.java:99) at clojure.lang.PersistentHashSet.create(PersistentHashSet.java:27) at clojure.core__init.__init3(Unknown Source) at clojure.core__init.clinit(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at clojure.lang.RT.loadClassForName(RT.java:2098) at clojure.lang.RT.load(RT.java:430) at clojure.lang.RT.load(RT.java:411) at clojure.lang.RT.doInit(RT.java:447) at clojure.lang.RT.clinit(RT.java:329) at deadlock.DeadLockMain$1.run(DeadLockMain.java:13) at java.lang.Thread.run(Thread.java:722) main prio=5 tid=0x7fa282001000 nid=0x1703 in Object.wait() [0x000103429000] java.lang.Thread.State: RUNNABLE at clojure.lang.Numbers$BigDecimalOps.clinit(Numbers.java:824) at clojure.lang.Numbers.clinit(Numbers.java:937) at clojure.lang.Util.hasheq(Util.java:170) at clojure.lang.PersistentHashMap.hash(PersistentHashMap.java:120) at clojure.lang.PersistentHashMap.assoc(PersistentHashMap.java:142) at clojure.lang.PersistentHashSet.cons(PersistentHashSet.java:99) at deadlock.DeadLockMain.main(DeadLockMain.java:17) I've reproduced this behavior with clojure 1.4.0, 1.5.1, and 1.6.0-alpha3 (though the attached project uses 1.5.1, it should be trivial to change its dependency) Is this expected behavior? Is the take-away don't use clojure data structures from java code? Make sure the clojure runtime is warm before using clojure data structures? -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: ANN: Another binary parser combinator - this time for java's streams
Looks good! A few questions: 1) Is it possible to specify a byte length for a 'repeated codec, rather than a number of objects? 2) Would you consider an enum type, for convenience? Something like: (defn enum [type m] (compile-codec type m (clojure.set/map-invert m))) 3) In the mp3.clj demo, the flags seem to be listed in the wrong order. Or does the 'bits function actually take its arguments LSB-first? On Jan 29, 2014, at 06:32 , Steffen steffen.die...@gmail.com wrote: Hello Clojure community, there are already two excellent libraries for reading/writing/manipulating binary data: Zach's Lamina and Clojurewerkz' Buffy for java's ByteBuffers. I would like to offer another library for java's Input/OutputStreams. It is inspired by Lamina but not compatible in syntax, I'm sorry. The focus is on * read/write performance, * no external dependencies * works with java.util.*Stream If you use Leiningen please add the following to your dependencies: [org.clojars.smee/binary 0.2.4] The link to the source code and README is https://github.com/smee/binary. Democode to parse Bitcoin blocks (including scripts): https://github.com/smee/binary/blob/master/src/org/clojars/smee/binary/demo/bitcoin.clj Democode for MP3 ID3v2 tags (work in progress): https://github.com/smee/binary/blob/master/src/org/clojars/smee/binary/demo/mp3.clj Apart from the README, doc strings there is no further documentation, yet. Please refer to the demos and the unit tests for now. Thanks, Steffen Dienst -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: [ANN] Buffy, The Byte Buffer Slayer 1.0.0-beta1
I'm looking to deal with a stream of data that includes a structured, variable-length header followed by a (potentially large) binary blob. I'd like to parse only the header while leaving the stream (can be a java stream or NIO channel, whichever works best) positioned at the start of the binary blob. Can Buffy currently do this? About naming: is the -type prefix to the built-in data types (string-type, etc) really necessary, given they're already grouped in the buffy.types namespace? I'd prefer to be able to write t/string, t/int32 and so on, personally. On Dec 17, 2013, at 06:44 , Alex P oleksandr.pet...@gmail.com wrote: Buffy [1][2] is a Clojure library to work with Binary Data, write complete binary protocol implementations in clojure, store your complex data structures in an off-heap chache, read binary files and do everything you would usually do `ByteBuffer`. After the initial project announcement, we've got several feature-requests, which been addressed by current release: * Bit fields (masks of on/off bits) https://github.com/clojurewerkz/buffy#bit-type * Wrapped buffers (work with existing byte arrays or byte buffers): https://github.com/clojurewerkz/buffy#buffer-types * Dynamic frames (complex protocol generation and parsing, when you can't know the length of payload in advance, and need to introspect buffer for parsing, or add hint-fields into payload): https://github.com/clojurewerkz/buffy#dynamic-frames Buffy has been serving us well for recent time, and no major issues were revealed. However, until it reaches GA, we can't guarantee 100% backward compatibility, although we're thought it through very well and used our best knowledge to make it right. Buffy is a ClojureWerkz project, same as Monger, Elastisch, Cassaforte, Neocons, Meltdown and many others. Let us know what you think! [1] https://github.com/clojurewerkz/buffy [2] http://blog.clojurewerkz.org/blog/2013/11/29/introducing-buffy/ [2] http://clojurewerkz.org -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: simple-check gen/boolean Only Returning false
Awesome turnaround, Thanks. I was kinda worried I was nuts or about to do some urandom debugging. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Helping newcomers get involved in Clojure projects
Bridget: Are there any other Clojure projects that are doing this? Some ClojureWerkz [1] projects do, and eventually all key ones will. 1. http://clojurewerkz.org MK -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
ANN Mailer 1.0.0 is released
Mailer [1] is a small Clojure library that makes email delivery easy. It is inspired by Ruby's Action Mailer and combines Postal, Moustache template rendering and testing utilities. Release notes: http://blog.clojurewerkz.org/blog/2014/01/26/mailer-1-dot-0-0-is-released/ 1. https://github.com/clojurewerkz/mailer -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
ANN Scrypt 1.1.0 is released
scrypt [1] is a tiny Clojure library for the scrypt key derivation function. Release notes: http://blog.clojurewerkz.org/blog/2014/01/26/scrypt-1-dot-1-0-is-released/ 1. https://github.com/clojurewerkz/scrypt -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: [ANN] com.stuartsierra/frequencies 0.1.0
2014-01-25 Stuart Sierra the.stuart.sie...@gmail.com Leiningen dependency: [com.stuartsierra/frequencies 0.1.0-SNAPSHOT] Please do a proper release. Non-snapshot projects cannot depend on snapshot libraries: https://github.com/technomancy/leiningen/wiki/Repeatability#snapshot-versions -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: [ANN] com.stuartsierra/frequencies 0.1.0
2014-01-27 Mimmo Cosenza mimmo.cose...@gmail.com You could clone and deploy it yourself into clojars. The only caveat is to give it an org.clojars.youusername as group-id to make it clear it's not the official one. Sorry, that's just won't fly. It's library maintainer's responsibility to make sure the project is reasonably easy to use. If something is not ready for a release yet, that's fine: simply don't announce it until it is. -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
simple-check gen/boolean Only Returning false
I decided to play with simple-check for the first time and was working through the examples on github. I noticed that all the values that use gen/boolean are returning false. I never get a true. At the extreme end, the following never returns when run in the repl: (gen/sample (gen/such-that true? (gen/list gen/boolean))) I'm using Clojure 1.5.1, simple-check 0.5.5, JVM 1.7.0_51, Ubuntu 13.04. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
ANN Langohr 2.3.2 is released
Langohr [1] is a minimalistic, feature complete Clojure client for RabbitMQ. Release notes: http://blog.clojurewerkz.org/blog/2014/01/22/langohr-2-dot-3-2-is-released/ 1. http://clojurerabbitmq.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: [Large File Processing] What am I doing wrong?
On Jan 21, 2014, at 07:11 , Chris Perkins chrisperkin...@gmail.com wrote:
This part: (some #{hashed} already-seen) is doing a linear lookup in
`already-seen`. Try (contains? already-seen hashed) instead.
Or just (already-seen hashed), given that OP's not trying to store nil hashes.
To OP: note that if you’re storing the hashes as strings (as it appears),
you’re using 16 more bytes per hash than necessary. If you’re really going to
be dealing with so many URLs that you’d use too much memory by storing the
unique URLs directly, then you should probably be storing the hashes as byte
arrays.
Alternatively, if you’re going to be dealing with REALLY large files and are
running on Linux/BSD, consider dumping just the URLs to a file and using “sort
-u” on it. UNIX Sort can efficiently handle files that are too large to fit in
memory, via external merge sort.
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Re: clojure.java.shell/sh and expand wildcard
Try (sh “bash” “-c” “ls *.txt”).
On Jan 21, 2014, at 21:51 , John Gabriele jmg3...@gmail.com wrote:
I'd like to do something like:
user= (require '[clojure.java.shell :as sh])
user= (sh/sh ls *.txt)
but get:
{:exit 2, :out , :err ls: cannot access *.txt: No such file or
directory\n}
even though there *are* a few .txt files present.
That error message is the same one I'd get if I tried:
$ ls '*.txt' # or
$ ls \*.txt
How can I get that sh/sh call to work with the wildcard? (Note: I realize I
can use Raynes' fs module for this particular example, but I want to be able
to pass wildcards to sh/sh in general.)
Thanks!
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Re: Clojure development laptop battery usage
On Jan 20, 2014, at 11:14 , Mars0i marsh...@logical.net wrote: Just to be clear, Leiningen only eats CPU when started in an arbitrary directory. When started from a Leiningen project directory, it doesn't use CPU unless I tell it to. I have not investigated what it is in the project directory that Leiningen needs in order to feel at peace. :-) I don’t see this behavior on my MBP with latest Leiningen. Have you reported it to the lein devs? -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: [ANN] play-clj, a game library
On Jan 20, 2014, at 09:31 , Zach Oakes zsoa...@gmail.com wrote: Today I'm releasing play-clj, a Clojure wrapper for LibGDX that allows you to write games for desktop OSes, Android, and iOS from the same Clojure codebase. Neat! How is Clojure’s performance on the latest Android devices? Good enough for simple real-time games while still remaining more-or-less idiomatic? Also, does running Java on iOS still require jailbreaking? -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
ANN Langohr 2.2.1
Langohr [1] is a small, feature complete Clojure client for RabbitMQ. Hot on the heels of 2.2.0, 2.2.1 is out with one bug fix. Release notes: http://blog.clojurewerkz.org/blog/2014/01/14/langohr-2-dot-2-1-is-released/ 1. http://clojurerabbitmq.info -- MK http://github.com/michaelklishin http://twitter.com/michaelklishin -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
