Re: ANN: Swiss Arrows
Ha! Love it. Ambrose On Mon, Apr 2, 2012 at 1:58 PM, Robert Levy r.p.l...@gmail.com wrote: Errata: I mistakenly referred to The Trystero Furcula by its former work-in-progress name (the double furcula). Just to be clear, the arrows presently included in the swiss arrows collection are: - The Diamond Wand - The Back Arrow - , -:p The Furcula, Parallel Furcula - , -:p The Trystero Furcula, Parallel Trystero Furcula - , -:p The Diamond Fishing Rod, Parallel Diamond Fishing Rod On Mon, Apr 2, 2012 at 1:33 AM, Robert Levy r.p.l...@gmail.com wrote: Swiss arrows is a library I wrote today, providing a number of useful arrow macros. - The Diamond Wand: a generalized arrow macro for threading into any position. - The Back Arrow: - with its arguments reversed, convenient in some cases. - The Furcula / Parallel Furcula: branch the result of an operation in multiple directions, sequentially or in parallel. - The Double Furcula / Parallel Furcula, Double-style: the above, using - instead of - - The Diamond Fishing Rod / Parallel Diamond Fishing Rod: the above, using - Swiss Arrows is available to try out right now at https://github.com/rplevy/swiss-arrows Feedback, ideas, and pull requests are of course very welcome. Rob -- 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 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
Clojure Job in Bellingham/Seattle WA
Hi all, I hope nobody objects to me posting a position here. If so I'd be happy to become a curator/maintainer of a list similar to http://python.org/jobs for the clojure community. I have recently started a business in the states (Bellingham, WA) to support a long-term contract to build technology for the mineral exploration industry. I am increasingly relying on Clojure and currently considering javascript-ClojureScript, C#-ClojureCLR, and maybe even Python Scripts-ClojurePy. Consequently I am looking to hire a Clojure programmer. I am an experienced software engineer from an electrical engineering background and have been using Clojure for 2 years or so. I am looking for an exceptional Clojure programmer or a programmer who is on their way to becoming one and would like to use Clojure in a commercial environment. We are building Business Analytics [1] systems for the mineral exploration industry. Our stack of technology includes: measurement systems, electronics, embedded systems, handheld development, communications (GSM + Satellite), database development (Postgres), web application (Python Turbogears, moving to Clojure), Linux servers (hosted on the Rackspace Cloud, managed using Puppet), Amazon web services, hosted analysis API (Clojure, compojure, hiccup, Incanter, JFreeChart). One of my main aims at the moment is to rationalize the technology stack, and Clojure is a key component of that. I strongly believe that Clojure will be a key competitive advantage for us for the reasons that you will already appreciate if you've read this far! There will be an opportunity and indeed an expectation to contribute back to the open source community. I am currently based in the UK and will relocate to Bellingham, WA later this year. I would prefer to find someone local (maybe in Seattle) but it is not strictly necessary. Unfortunately I will require you to be a US citizen because my US visa is contingent on creating jobs in this US. Also, it is very likely that you will be required to interface with US customers and that may involve some travel to client sites. Please email me off-list if you're interested in talking about the position. The position will open in the next 1 to 3 months (there are various things that I need to put in place before hiring someone), and to begin with I would offer a short-term contract but I am looking for someone permanent if things work out. Cheers, David [1] footnote: I think Business Intelligence is a ridiculous term for systems that are merely presenting information to aid human operators/managers; the term should be reserved for systems that are making fuzzy decisions in place of human operators. -- David Jagoe davidja...@gmail.com +447535268218 -- 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
Re: Where to post job ad
Thank you all for your feedback. I will certainly post in local user groups and Functional Jobs + Linked In are my next stops. Cheers, David On 30 March 2012 21:49, blcooley blcoo...@gmail.com wrote: On Mar 30, 7:35 am, David Jagoe davidja...@gmail.com wrote: G'day everyone I am increasingly relying on clojure and plan to use clojureclr and clojurescript in production too. I will soon need to hire a clojure developer and was hoping that someone could suggest a good place to post a job ad. I've never seen a job posted here but I would like to reach the community. Thanks David In addition to the resources mentioned so far, I'd add lispjobs.wordpress.com as a potential place to post. I've seen a few Clojure jobs listed there recently. Best regards, Brian Cooley -- 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 -- David Jagoe davidja...@gmail.com +447535268218 -- 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
Re: kibit is to Clojure what SOUL is to Smalltalk
I'm trying to build something related [1]: A temporal- and control-flow reasoner for software in general. My idea was to tie this into logging or debugging interfaces. I would be very, very interested in combining this with source-code reasoning (which might also profit from some shared higher-level logic), yet inexperienced. I started prototyping two days ago, I haven't even gotten around to doing the temporal- and control logic yet, but already I am bumping up against - and feeling my way into - questions concerning the design. So if you, David or someone else knowledgeable were available for brief questioning and guidance I'd be very grateful. All the best, Gabe [1]: Prototyping: https://github.com/werg/herpderp On Fri, Mar 30, 2012 at 9:58 PM, David Nolen dnolen.li...@gmail.com wrote: http://soft.vub.ac.be/SOUL/ This project is worth looking at for directions that kibit might want to go. It's also a good resource for cool ideas on how to leverage core.logic - miniKanren was designed from the get go to manipulate Lisp source. David -- 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 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
ClojureScript One Debug info
Hi all, after launching the repl in clj-one I get this st: Type (go) to launch the development server and setup a browser-connected REPL. Type (dev-server) to launch only the development server. Type (stop) to stop the running instance server Type (restart) to restart server UnsupportedOperationException nth not supported on this type: PersistentArrayMap clojure.lang.RT.nthFrom (RT.java:846) clojure.core= __ I have no idea where it comes from. Is there a mean to debug that ? Any idea? -- 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
Re: Appcache
Thanks Pandeiro. I know how to enable HTML5 app cache. This problem has disappeared when flushing the cache. Perhaps It came from another app enabling it... Le mercredi 28 mars 2012 15:52:45 UTC+2, Murph a écrit : I never saw an appcache file automatically generated in ClojureScript One, but if you want an example of how to implement serving the cache manifest for offline use of your webapp, this repo of mine (branched from one master) has one: https://github.com/pandeiro/multiedit/blob/multi-edit/src/app/clj/one/sample/dev_server.clj#L83 On Sun, Mar 25, 2012 at 9:17 AM, Pierre-Henry Perret phper...@gmail.com wrote: How to disable/enable the appcache in One ? This is related to a manifest cache which is present in the root folder of the application. But in One, it seems to be automatically generated... -- 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 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
Update an item from a list of maps in STM transaction
friends, I have the following situation: I have a list of maps (obtained from the database with contrib.sql) which is generated through a FUTURE. I'm running multiple threads using this same list and need to update the value of an item inside a STM transaction. I tried using one FUTURE for a REF but is not working. Some of you have an idea how I can do this? I appreciate the help! -- 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
function order
In search for a Clojure bencode implentation, I found the following source code. (defn- decode-list [stream] (loop [result []] (let [c (char (.read stream))] (if (= c \e) result (recur (conj result (decode stream (int c (defn decode [stream i] (let [indicator (if (nil? i) (.read stream) (first i))] (cond (and (= indicator 48) (= indicator 57)) (decode-string stream indicator) (= (char indicator) \i) (decode-number stream \e) (= (char indicator) \l) (decode-list stream) (= (char indicator) \d) (decode-map stream (taken from http://nakkaya.com/2009/11/02/decoding-bencoded-streams-in-clojure/) The example functions do not work for me, because decode tries to call decode-list which tries to call decode. This leads me to the following questions: 1. What is the (technical) reason the compiler can't just look up all functions before using them? 2. What is the standard way or best practice to work around such constructs? Greetings, Marcel -- 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
ANN: kerodon - a library for interacting/testing html-based ring apps
kerodon is a library for interacting with and testing html-based ring apps. It is designed to work with -, and look like interactions a user would have with a browser. It is similar in style to capybara. It does not do any javascript simulation. https://github.com/xeqi/kerodon Currently it has functions for following links, filling in form input fields, attaching files, pressing buttons, and validating form input fields contents. I plan to have similar functions for other form elements in the future. - Nelson Morris -- 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
Re: ANN: Swiss Arrows
Looks very nice! Is the following behavior expected with Clojure 1.3? user= (- 0 '()) ( 0) user= (- 0 []) CompilerException java.lang.RuntimeException: Unable to resolve symbol: in this context, compiling:(NO_SOURCE_PATH:24) ;; I guess this one is expected, although it would be nice if it worked. user= (- 0 '(1 (1 ))) (1 (1 ) 0) Roman Perepelitsa. 2012/4/2 Robert Levy r.p.l...@gmail.com Swiss arrows is a library I wrote today, providing a number of useful arrow macros. - The Diamond Wand: a generalized arrow macro for threading into any position. - The Back Arrow: - with its arguments reversed, convenient in some cases. - The Furcula / Parallel Furcula: branch the result of an operation in multiple directions, sequentially or in parallel. - The Double Furcula / Parallel Furcula, Double-style: the above, using - instead of - - The Diamond Fishing Rod / Parallel Diamond Fishing Rod: the above, using - Swiss Arrows is available to try out right now at https://github.com/rplevy/swiss-arrows Feedback, ideas, and pull requests are of course very welcome. Rob -- 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 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
Re: ANN: Swiss Arrows
And a couple more:
user= (- 0 [1 ])
[1 0]
user= (- 0 { 1})
CompilerException java.lang.RuntimeException: Unable to resolve symbol:
in this context, compiling:(NO_SOURCE_PATH:16)
user= (- 0 {1 2 })
IllegalArgumentException No value supplied for key: 2
clojure.lang.PersistentHashMap.createWithCheck (PersistentHashMap.java:89)
Roman Perepelitsa.
2012/4/2 Roman Perepelitsa roman.perepeli...@gmail.com
Looks very nice!
Is the following behavior expected with Clojure 1.3?
user= (- 0 '())
( 0)
user= (- 0 [])
CompilerException java.lang.RuntimeException: Unable to resolve symbol:
in this context, compiling:(NO_SOURCE_PATH:24)
;; I guess this one is expected, although it would be nice if it worked.
user= (- 0 '(1 (1 )))
(1 (1 ) 0)
Roman Perepelitsa.
2012/4/2 Robert Levy r.p.l...@gmail.com
Swiss arrows is a library I wrote today, providing a number of useful
arrow macros.
- The Diamond Wand: a generalized arrow macro for threading into any
position.
- The Back Arrow: - with its arguments reversed, convenient in some
cases.
- The Furcula / Parallel Furcula: branch the result of an operation
in multiple directions, sequentially or in parallel.
- The Double Furcula / Parallel Furcula, Double-style: the above,
using - instead of -
- The Diamond Fishing Rod / Parallel Diamond Fishing Rod: the above,
using -
Swiss Arrows is available to try out right now at
https://github.com/rplevy/swiss-arrows
Feedback, ideas, and pull requests are of course very welcome.
Rob
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[ANN] lein-deps-tree 0.1.0
I'm happy to announce the first release of lein-deps-tree[1]. It's a leiningen plugin which prints the all dependencies of a project as a nicely formatted tree. Please report any issues (especially with leiningen 1.x) as Github issues. [1]: https://github.com/the-kenny/lein-deps-tree Cheers, Moritz -- 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
Re: [ANN] lein-deps-tree 0.1.0
lein2 has a built-in command: `lein deps :tree` for this task it would be great to have the plugin in lein 1.x But I got error below: Exception in thread main java.io.FileNotFoundException: Could not locate leiningen/core/classpath__init.class or leiningen/core/classpath.clj on classpath: (deps_tree.clj:1) On Mon 02 Apr 2012 08:39:34 PM CST, Moritz Ulrich wrote: I'm happy to announce the first release of lein-deps-tree[1]. It's a leiningen plugin which prints the all dependencies of a project as a nicely formatted tree. Please report any issues (especially with leiningen 1.x) as Github issues. [1]: https://github.com/the-kenny/lein-deps-tree Cheers, Moritz -- Sun Ning Software developer Nanjing, China (N32°3'42'' E118°46'40'') http://about.me/sunng/bio -- 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
Re: ANN: Swiss Arrows
The Parallel Furcula has interesting possibilities :)
On Mon, Apr 2, 2012 at 5:25 AM, Roman Perepelitsa
roman.perepeli...@gmail.com wrote:
And a couple more:
user= (- 0 [1 ])
[1 0]
user= (- 0 { 1})
CompilerException java.lang.RuntimeException: Unable to resolve symbol:
in this context, compiling:(NO_SOURCE_PATH:16)
user= (- 0 {1 2 })
IllegalArgumentException No value supplied for key: 2
clojure.lang.PersistentHashMap.createWithCheck (PersistentHashMap.java:89)
Roman Perepelitsa.
2012/4/2 Roman Perepelitsa roman.perepeli...@gmail.com
Looks very nice!
Is the following behavior expected with Clojure 1.3?
user= (- 0 '())
( 0)
user= (- 0 [])
CompilerException java.lang.RuntimeException: Unable to resolve symbol:
in this context, compiling:(NO_SOURCE_PATH:24)
;; I guess this one is expected, although it would be nice if it worked.
user= (- 0 '(1 (1 )))
(1 (1 ) 0)
Roman Perepelitsa.
2012/4/2 Robert Levy r.p.l...@gmail.com
Swiss arrows is a library I wrote today, providing a number of useful
arrow macros.
- The Diamond Wand: a generalized arrow macro for threading into any
position.
- The Back Arrow: - with its arguments reversed, convenient in
some cases.
- The Furcula / Parallel Furcula: branch the result of an operation
in multiple directions, sequentially or in parallel.
- The Double Furcula / Parallel Furcula, Double-style: the above,
using - instead of -
- The Diamond Fishing Rod / Parallel Diamond Fishing Rod: the above,
using -
Swiss Arrows is available to try out right now at
https://github.com/rplevy/swiss-arrows
Feedback, ideas, and pull requests are of course very welcome.
Rob
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Re: ANN: Swiss Arrows
Thank you for finding these anomolies!
user= (- 0 [1 ])
[1 0]
This case is undefined behavior because only one point is allowed.
user= (- 0 {1 2 })
IllegalArgumentException No value supplied for key: 2
clojure.lang.PersistentHashMap.createWithCheck (PersistentHashMap.java:89)
Again, only one point is allowed. So undefined behavior is expected
behavior in that case.
user= (- 0 { 1})
CompilerException java.lang.RuntimeException: Unable to resolve symbol:
in this context, compiling:(NO_SOURCE_PATH:16)
This is an interesting use case I hadn't considered. I will play around a
bit with that and try to find out why it doesn't just work.
user= (- 0 '())
( 0)
user= (- 0 [])
CompilerException java.lang.RuntimeException: Unable to resolve symbol:
in this context, compiling:(NO_SOURCE_PATH:24)
These two are an interesting case that *should* be valid (I know why this
one wouldn't work because of how I wrote it, easily fixable). I just
hadn't thought of that.
;; I guess this one is expected, although it would be nice if it worked.
user= (- 0 '(1 (1 )))
(1 (1 ) 0)
This is invalid. I guess it would be nice but walking the form would
complicate matters. :)
Thanks again for finding the two issues mentioned above!
Rob
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ClojureScript Debug
The following clojurescript code :
code(def *peers* (agent {}))/code
compiles to this js code:
codeone.peer.peer._STAR_peers_STAR_ = one.peer.peer.agent.call(null,cljs.
core.ObjMap.fromObject([],{}));/code
which throws
_
1. Uncaught TypeError: Cannot call method 'call' of undefined
1. (anonymous function)
__
The question is why ? Are agent supported by the compiler ?
Thanks
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ClojureScript release 0.0-1011
Just built, will hit Maven repos within 24 hours. http://build.clojure.org/job/clojurescript-release/10/ The last release had some bugs that broke the browser-connected REPL. That has been fixed in this release. -S -- 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
Re: ClojureScript Debug
See [1]: Agents are currently not implemented
They wouldn't be very useful, as javascript is single threaded in most
implementations.
[1]: https://github.com/clojure/clojurescript/wiki/Differences-from-Clojure
On Mon, Apr 2, 2012 at 14:56, Pierre-Henry Perret phper...@gmail.com wrote:
The following clojurescript code :
code(def *peers* (agent {}))/code
compiles to this js code:
codeone.peer.peer._STAR_peers_STAR_ =
one.peer.peer.agent.call(null,cljs.core.ObjMap.fromObject([],{}));/code
which throws
_
Uncaught TypeError: Cannot call method 'call' of undefined
(anonymous function)
__
The question is why ? Are agent supported by the compiler ?
Thanks
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Re: ClojureScript Debug
I don't think any of the concurrency primitives made it to clojureScript...
On 02/04/12 14:54, Moritz Ulrich wrote:
See [1]: Agents are currently not implemented
They wouldn't be very useful, as javascript is single threaded in most
implementations.
[1]: https://github.com/clojure/clojurescript/wiki/Differences-from-Clojure
On Mon, Apr 2, 2012 at 14:56, Pierre-Henry Perretphper...@gmail.com wrote:
The following clojurescript code :
code(def *peers* (agent {}))/code
compiles to this js code:
codeone.peer.peer._STAR_peers_STAR_ =
one.peer.peer.agent.call(null,cljs.core.ObjMap.fromObject([],{}));/code
which throws
_
Uncaught TypeError: Cannot call method 'call' of undefined
(anonymous function)
__
The question is why ? Are agent supported by the compiler ?
Thanks
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Re: ClojureScript Debug
except for atoms of course...
On 02/04/12 14:55, Jim - FooBar(); wrote:
I don't think any of the concurrency primitives made it to
clojureScript...
On 02/04/12 14:54, Moritz Ulrich wrote:
See [1]: Agents are currently not implemented
They wouldn't be very useful, as javascript is single threaded in most
implementations.
[1]:
https://github.com/clojure/clojurescript/wiki/Differences-from-Clojure
On Mon, Apr 2, 2012 at 14:56, Pierre-Henry
Perretphper...@gmail.com wrote:
The following clojurescript code :
code(def *peers* (agent {}))/code
compiles to this js code:
codeone.peer.peer._STAR_peers_STAR_ =
one.peer.peer.agent.call(null,cljs.core.ObjMap.fromObject([],{}));/code
which throws
_
Uncaught TypeError: Cannot call method 'call' of undefined
(anonymous function)
__
The question is why ? Are agent supported by the compiler ?
Thanks
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how to write a macro that calls defrecord?
Hi All, I need to define a number of similar records, so I wanted to write a macro for that, but I do not know how. Basically, I tried the following: (defprotocol MyProtocol (do-something [this])) (defmacro my-defrecord [name [ fields] body] `(defrecord ~name ~fields MyProtocol (do-something [this] this) ~@body)) But then when I call (my-defrecord R [content]), which expands into the following (valid) code: (defrecord R (content) tmp-protocol (do-sth [this] this)), Then I get the RunTimeException No such var: this? Any ideas? Best, Joachim. -- 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
Re: ClojureScript One Debug info
Remove all generated JS as well as the invisible .repl folders. Does the
problem still persist?
On Saturday, March 31, 2012, Pierre-Henry Perret wrote:
Hi all, after launching the repl in clj-one I get this st:
Type (go) to launch the development server and setup a browser-connected
REPL.
Type (dev-server) to launch only the development server.
Type (stop) to stop the running instance server
Type (restart) to restart server
UnsupportedOperationException nth not supported on this type:
PersistentArrayMap
clojure.lang.RT.nthFrom (RT.java:846)
clojure.core=
__
I have no idea where it comes from.
Is there a mean to debug that ?
Any idea?
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Re: ClojureScript One Debug info
That solved it! Thanks Le lundi 2 avril 2012 16:26:08 UTC+2, David Nolen a écrit : Remove all generated JS as well as the invisible .repl folders. Does the problem still persist? On Saturday, March 31, 2012, Pierre-Henry Perret wrote: Hi all, after launching the repl in clj-one I get this st: Type (go) to launch the development server and setup a browser-connected REPL. Type (dev-server) to launch only the development server. Type (stop) to stop the running instance server Type (restart) to restart server UnsupportedOperationException nth not supported on this type: PersistentArrayMap clojure.lang.RT.nthFrom (RT.java:846) clojure.core= __ I have no idea where it comes from. Is there a mean to debug that ? Any idea? -- 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 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
Re: kibit 0.0.3
Great work all around! It's exciting to see Kibit get so much use. Paul On Apr 1, 2:29 pm, Jonas jonas.enl...@gmail.com wrote: I'm happy to announce the release of kibit[1] version 0.0.3. New in this release include: * much better reporting * a more advanced rule system * more rules * bug fixes Thanks to all who have contributed! Jonas [1]https://github.com/jonase/kibit -- 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
Re: ANN: kerodon - a library for interacting/testing html-based ring apps
Thanks for the project – looks pretty cool. Will try it out. Shantanu On Apr 2, 9:19 am, Nelson Morris nmor...@nelsonmorris.net wrote: kerodon is a library for interacting with and testing html-based ring apps. It is designed to work with -, and look like interactions a user would have with a browser. It is similar in style to capybara. It does not do any javascript simulation. https://github.com/xeqi/kerodon Currently it has functions for following links, filling in form input fields, attaching files, pressing buttons, and validating form input fields contents. I plan to have similar functions for other form elements in the future. - Nelson Morris -- 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
Re: how to write a macro that calls defrecord?
You need to be careful when using syntax-quote (backtick `): It tries to resolve every symbol it encloses, as the compiler would: If it's use'd, the symbol is qualified with the origin ns, otherwise with the current ns (current during read time of the syntax-quote form, i.e. macro _definition_ time). That's basically the magic that allows us to have a lisp-1 and still not need to declare functions as available during compilation or other idiosyncrasies of some scheme implementations. Regardless, to introduce a lexical binding in macro expansion code, we need to make sure that the introduced name never clashes with macro-user code, a concept known as macro hygiene. The way to do that in clojure are (auto-)gensyms. e.g. (defmacro x [of] `(let [name# (expr ..)] (usage ~of name#)) when you try `(let [name (expr)] ...) the compiler complains Cannot let qualified name current-ns/name. That's because name got namespace-qualified, and subsequently can't be let. In your case, the actual expansion is: (defrecord ... (do-sth [some-ns/this] some-ns/this), you can check that with (macroexpand '(my-defrecord R [content])), btw. In case of a protocol function, the introduction of a ns-qualified local only seems to be caught in the body (ticket?). I guess that's because the parameter gets name-mangled. Anyways, fix is to always use auto-gensyms when introducing lexical bindings in a macro: (defmacro my-defrecord [name [ fields] body] `(defrecord ~name ~fields MyProtocol (do-something [this#] this#) ~@body)) If you ever _really_ need to introduce a verbatim name in macro code (magic names, like 'this' in java, e.g.) you can use (defmacro my-defrecord [name [ fields] body] `(defrecord ~name ~fields MyProtocol (do-something [~'this] ~'this) ~@body)) Don't do this. kind regards -- 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
Re: kibit 0.0.3
Have you thought about a downloadable plugin system for rules? I imagine various libraries embedding rule sets in jar files with magic manifest markers indicating their specific location. Something like: Kibit-RuleSet-URL: jar:///kibit/ruleset.clj or, online: Kibit-RuleSet-URL: https://github.com/addleman/ or, if we wanted to get really fancy: Kibit-RuleSet-URL: mavenrepo://... (is there a URL format for maven repo?) On Monday, April 2, 2012 7:53:46 AM UTC-7, Paul deGrandis wrote: Great work all around! It's exciting to see Kibit get so much use. Paul On Apr 1, 2:29 pm, Jonas jonas.enl...@gmail.com wrote: I'm happy to announce the release of kibit[1] version 0.0.3. New in this release include: * much better reporting * a more advanced rule system * more rules * bug fixes Thanks to all who have contributed! Jonas [1]https://github.com/jonase/kibit -- 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
Re: kibit is to Clojure what SOUL is to Smalltalk
On Fri, Mar 30, 2012 at 8:20 PM, Gabriel Pickard wergo...@googlemail.comwrote: I'm trying to build something related [1]: A temporal- and control-flow reasoner for software in general. My idea was to tie this into logging or debugging interfaces. I would be very, very interested in combining this with source-code reasoning (which might also profit from some shared higher-level logic), yet inexperienced. Inexperienced as well :) Hopefully enthusiasm counts for something. I see that you're a Prolog programmer - have you done something like this before in Prolog? David -- 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
Re: Need help to find a bug in a genetic algorithm
Is it possible to explain briefly what this genetic algorithm tries to accomplish? I mean what problem is it producing solution for? It never seems to end regardless of number-of-domiciles! I think i got a glimpse of a ThursdayGNEXT string but i'm not sure what it means... Jim On 26/03/12 09:47, Marcus Lindner wrote: Thanks for the answer. Yes, the number of domicles was the problem. When I use one or two domiciles the population remains relativ stable. If I use 3 or more, then the population is increasing. Is it a good idea to add some helpers for the grimreaper if the population grows too fast? Marcus 2012/3/26 Stefan Kamphausen ska2...@googlemail.com mailto:ska2...@googlemail.com Hi, For my little project I wanted to reprogramm the gentic algorithm from the book Clojure written by Stefan Kamphausen and Tim Oliver Kaiser. quickly glancing at the code, it looks like a valid translation into English. Did you try to tune number-of-domiciles? Depending on your machine it may be necessary to decrease the number of creators so that the population doesn't grow. In this simulation the grimreaper has a hard time working against the birth-rate. ;-) Feel free to get in contact with me via e-mail[1] if your problem persists. Kind regards, Stefan [1] (apply str (reverse [de \. clojure-buch (str ska@)])) -- 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 mailto: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 mailto:clojure%2bunsubscr...@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 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 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
Re: Need help to find a bug in a genetic algorithm
First there is an error in my code :(
These are the allowed symbols from which the creator function can
choose to create or mutate a gen:
def allowed-symbols (str abcdefghijklmnopqrstuvwxyzäöü
ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜ))
This is the targetd which should be fulfilled:
(def the_target Thursday Next)
The first error is, that in the allowed symbols the Space (' ') is
missing. So without this symbol/character the algorithm has no chance
to finish.
The correct definition for the symbols are (with the missing space):
def allowed-symbols (str abcdefghijklmnopqrstuvwxyzäöü
ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜ ))
So the algorithm tries to design the String Thursday Next by
exploring many possible variations and to get as near as possible to
the solution Thursday Next.
The main purpose of this algorithm, I think, is to show how you can
use agents and atoms to implement a genetic algorithm.
On Apr 2, 7:59 pm, Jim - FooBar(); jimpil1...@gmail.com wrote:
Is it possible to explain briefly what this genetic algorithm tries to
accomplish? I mean what problem is it producing solution for? It never
seems to end regardless of number-of-domiciles!
I think i got a glimpse of a ThursdayGNEXT string but i'm not sure
what it means...
Jim
On 26/03/12 09:47, Marcus Lindner wrote:
Thanks for the answer.
Yes, the number of domicles was the problem.
When I use one or two domiciles the population remains relativ stable.
If I use 3 or more, then the population is increasing.
Is it a good idea to add some helpers for the grimreaper if the
population grows too fast?
Marcus
2012/3/26 Stefan Kamphausen ska2...@googlemail.com
mailto:ska2...@googlemail.com
Hi,
For my little project I wanted to reprogramm the gentic
algorithm from
the book Clojure written by Stefan Kamphausen and Tim Oliver
Kaiser.
quickly glancing at the code, it looks like a valid translation
into English.
Did you try to tune number-of-domiciles? Depending on your
machine it may be necessary to decrease the number of creators so
that the population doesn't grow. In this simulation the
grimreaper has a hard time working against the birth-rate. ;-)
Feel free to get in contact with me via e-mail[1] if your problem
persists.
Kind regards,
Stefan
[1] (apply str (reverse [de \. clojure-buch (str ska@)]))
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Re: Need help to find a bug in a genetic algorithm
aa ok i see, that makes perfect sense... thanks a lot!
Jim
On 02/04/12 19:06, Goldritter wrote:
First there is an error in my code :(
These are the allowed symbols from which the creator function can
choose to create or mutate a gen:
def allowed-symbols (str abcdefghijklmnopqrstuvwxyzäöü
ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜ))
This is the targetd which should be fulfilled:
(def the_target Thursday Next)
The first error is, that in the allowed symbols the Space (' ') is
missing. So without this symbol/character the algorithm has no chance
to finish.
The correct definition for the symbols are (with the missing space):
def allowed-symbols (str abcdefghijklmnopqrstuvwxyzäöü
ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜ ))
So the algorithm tries to design the String Thursday Next by
exploring many possible variations and to get as near as possible to
the solution Thursday Next.
The main purpose of this algorithm, I think, is to show how you can
use agents and atoms to implement a genetic algorithm.
On Apr 2, 7:59 pm, Jim - FooBar();jimpil1...@gmail.com wrote:
Is it possible to explain briefly what this genetic algorithm tries to
accomplish? I mean what problem is it producing solution for? It never
seems to end regardless of number-of-domiciles!
I think i got a glimpse of a ThursdayGNEXT string but i'm not sure
what it means...
Jim
On 26/03/12 09:47, Marcus Lindner wrote:
Thanks for the answer.
Yes, the number of domicles was the problem.
When I use one or two domiciles the population remains relativ stable.
If I use 3 or more, then the population is increasing.
Is it a good idea to add some helpers for the grimreaper if the
population grows too fast?
Marcus
2012/3/26 Stefan Kamphausenska2...@googlemail.com
mailto:ska2...@googlemail.com
Hi,
For my little project I wanted to reprogramm the gentic
algorithm from
the book Clojure written by Stefan Kamphausen and Tim Oliver
Kaiser.
quickly glancing at the code, it looks like a valid translation
into English.
Did you try to tune number-of-domiciles? Depending on your
machine it may be necessary to decrease the number of creators so
that the population doesn't grow. In this simulation the
grimreaper has a hard time working against the birth-rate. ;-)
Feel free to get in contact with me via e-mail[1] if your problem
persists.
Kind regards,
Stefan
[1] (apply str (reverse [de \. clojure-buch (str ska@)]))
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Re: Need help to find a bug in a genetic algorithm
Shouldn't the line (inside start-evolution) :
*(map #(send % a-day-in-the-life-agent-fn) domiciles)
*
be:
*(pmap #(send % a-day-in-the-life-agent-fn) domiciles)* ???
why does it need to happen serially?
Jim
On 02/04/12 19:06, Goldritter wrote:
First there is an error in my code :(
These are the allowed symbols from which the creator function can
choose to create or mutate a gen:
def allowed-symbols (str abcdefghijklmnopqrstuvwxyzäöü
ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜ))
This is the targetd which should be fulfilled:
(def the_target Thursday Next)
The first error is, that in the allowed symbols the Space (' ') is
missing. So without this symbol/character the algorithm has no chance
to finish.
The correct definition for the symbols are (with the missing space):
def allowed-symbols (str abcdefghijklmnopqrstuvwxyzäöü
ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜ ))
So the algorithm tries to design the String Thursday Next by
exploring many possible variations and to get as near as possible to
the solution Thursday Next.
The main purpose of this algorithm, I think, is to show how you can
use agents and atoms to implement a genetic algorithm.
On Apr 2, 7:59 pm, Jim - FooBar();jimpil1...@gmail.com wrote:
Is it possible to explain briefly what this genetic algorithm tries to
accomplish? I mean what problem is it producing solution for? It never
seems to end regardless of number-of-domiciles!
I think i got a glimpse of a ThursdayGNEXT string but i'm not sure
what it means...
Jim
On 26/03/12 09:47, Marcus Lindner wrote:
Thanks for the answer.
Yes, the number of domicles was the problem.
When I use one or two domiciles the population remains relativ stable.
If I use 3 or more, then the population is increasing.
Is it a good idea to add some helpers for the grimreaper if the
population grows too fast?
Marcus
2012/3/26 Stefan Kamphausenska2...@googlemail.com
mailto:ska2...@googlemail.com
Hi,
For my little project I wanted to reprogramm the gentic
algorithm from
the book Clojure written by Stefan Kamphausen and Tim Oliver
Kaiser.
quickly glancing at the code, it looks like a valid translation
into English.
Did you try to tune number-of-domiciles? Depending on your
machine it may be necessary to decrease the number of creators so
that the population doesn't grow. In this simulation the
grimreaper has a hard time working against the birth-rate. ;-)
Feel free to get in contact with me via e-mail[1] if your problem
persists.
Kind regards,
Stefan
[1] (apply str (reverse [de \. clojure-buch (str ska@)]))
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(constantly)
I often tend to define the following in my apps (def no-op (fn [ _])) The other day I noticed constantly (http://clojure.github.com/clojure/clojure.core-api.html#clojure.core/constantly), which is basically the same thing - except I would have to say (constantly nil). What do you all think about allowing constantly to take no args and constantly return nil? Or, is there another function that does that and I've just overlooked it? Cheers, Jay -- 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
Re: Need help to find a bug in a genetic algorithm
The onle setup that works for my machine (the one that finds the
solution in reasonable time) is with number-of-domiciles = 3, the
missing space and using pmap instead of map when evolution starts...the
population size moves from around 1180 to 1230 but i can see all 4
cores of mine firing up and i get the solution in time (roughly 40sec)!!!
Jim
On 02/04/12 19:06, Goldritter wrote:
First there is an error in my code :(
These are the allowed symbols from which the creator function can
choose to create or mutate a gen:
def allowed-symbols (str abcdefghijklmnopqrstuvwxyzäöü
ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜ))
This is the targetd which should be fulfilled:
(def the_target Thursday Next)
The first error is, that in the allowed symbols the Space (' ') is
missing. So without this symbol/character the algorithm has no chance
to finish.
The correct definition for the symbols are (with the missing space):
def allowed-symbols (str abcdefghijklmnopqrstuvwxyzäöü
ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜ ))
So the algorithm tries to design the String Thursday Next by
exploring many possible variations and to get as near as possible to
the solution Thursday Next.
The main purpose of this algorithm, I think, is to show how you can
use agents and atoms to implement a genetic algorithm.
On Apr 2, 7:59 pm, Jim - FooBar();jimpil1...@gmail.com wrote:
Is it possible to explain briefly what this genetic algorithm tries to
accomplish? I mean what problem is it producing solution for? It never
seems to end regardless of number-of-domiciles!
I think i got a glimpse of a ThursdayGNEXT string but i'm not sure
what it means...
Jim
On 26/03/12 09:47, Marcus Lindner wrote:
Thanks for the answer.
Yes, the number of domicles was the problem.
When I use one or two domiciles the population remains relativ stable.
If I use 3 or more, then the population is increasing.
Is it a good idea to add some helpers for the grimreaper if the
population grows too fast?
Marcus
2012/3/26 Stefan Kamphausenska2...@googlemail.com
mailto:ska2...@googlemail.com
Hi,
For my little project I wanted to reprogramm the gentic
algorithm from
the book Clojure written by Stefan Kamphausen and Tim Oliver
Kaiser.
quickly glancing at the code, it looks like a valid translation
into English.
Did you try to tune number-of-domiciles? Depending on your
machine it may be necessary to decrease the number of creators so
that the population doesn't grow. In this simulation the
grimreaper has a hard time working against the birth-rate. ;-)
Feel free to get in contact with me via e-mail[1] if your problem
persists.
Kind regards,
Stefan
[1] (apply str (reverse [de \. clojure-buch (str ska@)]))
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Re: [ANN] lein-deps-tree 0.1.0
The `lein deps :tree` command will work in preview3. This plugin is good for anyone who needs it now on preview2. Thanks for putting it together. On Mon, Apr 2, 2012 at 7:48 AM, Sun Ning classicn...@gmail.com wrote: lein2 has a built-in command: `lein deps :tree` for this task it would be great to have the plugin in lein 1.x But I got error below: Exception in thread main java.io.FileNotFoundException: Could not locate leiningen/core/classpath__init.class or leiningen/core/classpath.clj on classpath: (deps_tree.clj:1) On Mon 02 Apr 2012 08:39:34 PM CST, Moritz Ulrich wrote: I'm happy to announce the first release of lein-deps-tree[1]. It's a leiningen plugin which prints the all dependencies of a project as a nicely formatted tree. Please report any issues (especially with leiningen 1.x) as Github issues. [1]: https://github.com/the-kenny/lein-deps-tree Cheers, Moritz -- Sun Ning Software developer Nanjing, China (N32°3'42'' E118°46'40'') http://about.me/sunng/bio -- 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 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
Re: (constantly)
I wish there was a built-in for this as well. I don't know that (constantly) is a good name for it though. I couldn't think of a good name, apparently a null function means the same as identity function so that doesn't work. On Monday, April 2, 2012 2:39:31 PM UTC-4, Jay Fields wrote: I often tend to define the following in my apps (def no-op (fn [ _])) The other day I noticed constantly ( http://clojure.github.com/clojure/clojure.core-api.html#clojure.core/constantly ), which is basically the same thing - except I would have to say (constantly nil). What do you all think about allowing constantly to take no args and constantly return nil? Or, is there another function that does that and I've just overlooked it? Cheers, Jay -- 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
Re: [ANN] lein-deps-tree 0.1.0
Just pushed 0.1.1 to Clojars. It is *supposed* to work with 1.x, but it most likely won't. The problem lies in some version mismatch between 1.x and a dependency of pomegranate. See [1] for details. If anyone knows a fix for this, please let me know. [1]: https://github.com/cemerick/pomegranate/issues/2 On Mon, Apr 2, 2012 at 21:11, Nelson Morris nmor...@nelsonmorris.net wrote: The `lein deps :tree` command will work in preview3. This plugin is good for anyone who needs it now on preview2. Thanks for putting it together. On Mon, Apr 2, 2012 at 7:48 AM, Sun Ning classicn...@gmail.com wrote: lein2 has a built-in command: `lein deps :tree` for this task it would be great to have the plugin in lein 1.x But I got error below: Exception in thread main java.io.FileNotFoundException: Could not locate leiningen/core/classpath__init.class or leiningen/core/classpath.clj on classpath: (deps_tree.clj:1) On Mon 02 Apr 2012 08:39:34 PM CST, Moritz Ulrich wrote: I'm happy to announce the first release of lein-deps-tree[1]. It's a leiningen plugin which prints the all dependencies of a project as a nicely formatted tree. Please report any issues (especially with leiningen 1.x) as Github issues. [1]: https://github.com/the-kenny/lein-deps-tree Cheers, Moritz -- Sun Ning Software developer Nanjing, China (N32°3'42'' E118°46'40'') http://about.me/sunng/bio -- 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 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 -- Moritz Ulrich -- 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
Re: Need help to find a bug in a genetic algorithm
I think the reason here is, that the used agents perform the day-of-life
function.
Another reason is also, that the individual, which is created by the
agent, is put again into teh ref population. Could be that this might
prefent the use of pmap, or increase the time for the scheduling.
When you look at the day-in-life function, you see that the individual
and its firtness score is put into the population ref by a swap!.
And because you send the function to the agents, these functions are
resovled in a asynchron way and every agents performs the function
parallel.
(Hope this makes sense, english is not my mother tongue :( .)
So the parallel processing is performed by using the x agents.
By the way, on my slow machine it works best with onyl 2 domiciles
(agents). On an other with 12 cores the domiclies can go up much more,
but I have not find out how much.
Am 02.04.2012 20:34, schrieb Jim - FooBar();:
Shouldn't the line (inside start-evolution) :
*(map #(send % a-day-in-the-life-agent-fn) domiciles)
*
be:
*(pmap #(send % a-day-in-the-life-agent-fn) domiciles)* ???
why does it need to happen serially?
Jim
On 02/04/12 19:06, Goldritter wrote:
First there is an error in my code :(
These are the allowed symbols from which the creator function can
choose to create or mutate a gen:
def allowed-symbols (str abcdefghijklmnopqrstuvwxyzäöü
ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜ))
This is the targetd which should be fulfilled:
(def the_target Thursday Next)
The first error is, that in the allowed symbols the Space (' ') is
missing. So without this symbol/character the algorithm has no chance
to finish.
The correct definition for the symbols are (with the missing space):
def allowed-symbols (str abcdefghijklmnopqrstuvwxyzäöü
ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜ ))
So the algorithm tries to design the String Thursday Next by
exploring many possible variations and to get as near as possible to
the solution Thursday Next.
The main purpose of this algorithm, I think, is to show how you can
use agents and atoms to implement a genetic algorithm.
On Apr 2, 7:59 pm, Jim - FooBar();jimpil1...@gmail.com wrote:
Is it possible to explain briefly what this genetic algorithm tries to
accomplish? I mean what problem is it producing solution for? It never
seems to end regardless of number-of-domiciles!
I think i got a glimpse of a ThursdayGNEXT string but i'm not sure
what it means...
Jim
On 26/03/12 09:47, Marcus Lindner wrote:
Thanks for the answer.
Yes, the number of domicles was the problem.
When I use one or two domiciles the population remains relativ stable.
If I use 3 or more, then the population is increasing.
Is it a good idea to add some helpers for the grimreaper if the
population grows too fast?
Marcus
2012/3/26 Stefan Kamphausenska2...@googlemail.com
mailto:ska2...@googlemail.com
Hi,
For my little project I wanted to reprogramm the gentic
algorithm from
the book Clojure written by Stefan Kamphausen and Tim Oliver
Kaiser.
quickly glancing at the code, it looks like a valid translation
into English.
Did you try to tune number-of-domiciles? Depending on your
machine it may be necessary to decrease the number of creators so
that the population doesn't grow. In this simulation the
grimreaper has a hard time working against the birth-rate. ;-)
Feel free to get in contact with me via e-mail[1] if your problem
persists.
Kind regards,
Stefan
[1] (apply str (reverse [de \. clojure-buch (str ska@)]))
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Re: Need help to find a bug in a genetic algorithm
Without the pmap and only 2 domiciles I got the solution in 2 minutes on
my 4 core machine.
Might be interesting which effect the pmap might have in combination
with agents.
Am 02.04.2012 20:41, schrieb Jim - FooBar();:
The onle setup that works for my machine (the one that finds the
solution in reasonable time) is with number-of-domiciles = 3, the
missing space and using pmap instead of map when evolution
starts...the population size moves from around 1180 to 1230 but i can
see all 4 cores of mine firing up and i get the solution in time
(roughly 40sec)!!!
Jim
On 02/04/12 19:06, Goldritter wrote:
First there is an error in my code :(
These are the allowed symbols from which the creator function can
choose to create or mutate a gen:
def allowed-symbols (str abcdefghijklmnopqrstuvwxyzäöü
ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜ))
This is the targetd which should be fulfilled:
(def the_target Thursday Next)
The first error is, that in the allowed symbols the Space (' ') is
missing. So without this symbol/character the algorithm has no chance
to finish.
The correct definition for the symbols are (with the missing space):
def allowed-symbols (str abcdefghijklmnopqrstuvwxyzäöü
ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜ ))
So the algorithm tries to design the String Thursday Next by
exploring many possible variations and to get as near as possible to
the solution Thursday Next.
The main purpose of this algorithm, I think, is to show how you can
use agents and atoms to implement a genetic algorithm.
On Apr 2, 7:59 pm, Jim - FooBar();jimpil1...@gmail.com wrote:
Is it possible to explain briefly what this genetic algorithm tries to
accomplish? I mean what problem is it producing solution for? It never
seems to end regardless of number-of-domiciles!
I think i got a glimpse of a ThursdayGNEXT string but i'm not sure
what it means...
Jim
On 26/03/12 09:47, Marcus Lindner wrote:
Thanks for the answer.
Yes, the number of domicles was the problem.
When I use one or two domiciles the population remains relativ stable.
If I use 3 or more, then the population is increasing.
Is it a good idea to add some helpers for the grimreaper if the
population grows too fast?
Marcus
2012/3/26 Stefan Kamphausenska2...@googlemail.com
mailto:ska2...@googlemail.com
Hi,
For my little project I wanted to reprogramm the gentic
algorithm from
the book Clojure written by Stefan Kamphausen and Tim Oliver
Kaiser.
quickly glancing at the code, it looks like a valid translation
into English.
Did you try to tune number-of-domiciles? Depending on your
machine it may be necessary to decrease the number of creators so
that the population doesn't grow. In this simulation the
grimreaper has a hard time working against the birth-rate. ;-)
Feel free to get in contact with me via e-mail[1] if your problem
persists.
Kind regards,
Stefan
[1] (apply str (reverse [de \. clojure-buch (str ska@)]))
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Re: ANN: clj-browserchannel-demo, cljs - clj communication
See this blog post for more background on BrowserChannel and why it is useful for ClojureScript web applications: http://thegeez.net/2012/04/03/why_browserchannel.html -Gijs -- 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
Re: Need help to find a bug in a genetic algorithm
Ok i understand what you mean...i had a closer look at the code and it
seems that the hard work is done by agents...However, I did some further
testing out of curiosity and got back some weird behaviour...On my
machine it doesn't really matter whether i have 2 or 3 domiciles - i
will still get the answer in less than a minute. However it does matter
whether i use pmap or map. For some reason i don't understand, when i
use 'map', CPU load never exceeds 60% but my RAM goes to 71% (from 37% )
and as a result the terminal starts to lag which is obviously not good!
On the other hand when i use 'pmap' my RAM only goes up by 1% and my CPU
load skyrockets to 99%!!! That is really amazing isn't it...I also get
the answer a lot quicker (roughly 20 sec with 2 domiciles)Can
somebody explain? I totally agree with Marcus point that agents are
asynchronous and so pmap should only add overhead...It seems however
that pmap does the ccorrect job here...
Jim
p.s: Marcus run it for ourself using pmap and 2 domiciles and compare it
with previous runs...
I 've not changed the code at all apart from adding the missing space...
On 02/04/12 21:33, Marcus Lindner wrote:
I think the reason here is, that the used agents perform the
day-of-life function.
Another reason is also, that the individual, which is created by the
agent, is put again into teh ref population. Could be that this might
prefent the use of pmap, or increase the time for the scheduling.
When you look at the day-in-life function, you see that the individual
and its firtness score is put into the population ref by a swap!.
And because you send the function to the agents, these functions are
resovled in a asynchron way and every agents performs the function
parallel.
(Hope this makes sense, english is not my mother tongue :( .)
So the parallel processing is performed by using the x agents.
By the way, on my slow machine it works best with onyl 2 domiciles
(agents). On an other with 12 cores the domiclies can go up much more,
but I have not find out how much.
Am 02.04.2012 20:34, schrieb Jim - FooBar();:
Shouldn't the line (inside start-evolution) :
*(map #(send % a-day-in-the-life-agent-fn) domiciles)
*
be:
*(pmap #(send % a-day-in-the-life-agent-fn) domiciles)* ???
why does it need to happen serially?
Jim
On 02/04/12 19:06, Goldritter wrote:
First there is an error in my code :(
These are the allowed symbols from which the creator function can
choose to create or mutate a gen:
def allowed-symbols (str abcdefghijklmnopqrstuvwxyzäöü
ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜ))
This is the targetd which should be fulfilled:
(def the_target Thursday Next)
The first error is, that in the allowed symbols the Space (' ') is
missing. So without this symbol/character the algorithm has no chance
to finish.
The correct definition for the symbols are (with the missing space):
def allowed-symbols (str abcdefghijklmnopqrstuvwxyzäöü
ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜ ))
So the algorithm tries to design the String Thursday Next by
exploring many possible variations and to get as near as possible to
the solution Thursday Next.
The main purpose of this algorithm, I think, is to show how you can
use agents and atoms to implement a genetic algorithm.
On Apr 2, 7:59 pm, Jim - FooBar();jimpil1...@gmail.com wrote:
Is it possible to explain briefly what this genetic algorithm tries to
accomplish? I mean what problem is it producing solution for? It never
seems to end regardless of number-of-domiciles!
I think i got a glimpse of a ThursdayGNEXT string but i'm not sure
what it means...
Jim
On 26/03/12 09:47, Marcus Lindner wrote:
Thanks for the answer.
Yes, the number of domicles was the problem.
When I use one or two domiciles the population remains relativ stable.
If I use 3 or more, then the population is increasing.
Is it a good idea to add some helpers for the grimreaper if the
population grows too fast?
Marcus
2012/3/26 Stefan Kamphausenska2...@googlemail.com
mailto:ska2...@googlemail.com
Hi,
For my little project I wanted to reprogramm the gentic
algorithm from
the book Clojure written by Stefan Kamphausen and Tim Oliver
Kaiser.
quickly glancing at the code, it looks like a valid translation
into English.
Did you try to tune number-of-domiciles? Depending on your
machine it may be necessary to decrease the number of creators so
that the population doesn't grow. In this simulation the
grimreaper has a hard time working against the birth-rate. ;-)
Feel free to get in contact with me via e-mail[1] if your problem
persists.
Kind regards,
Stefan
[1] (apply str (reverse [de \. clojure-buch (str ska@)]))
--
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Re: how to write a macro that calls defrecord?
Hi Joachim. On Mon, Apr 2, 2012 at 3:51 PM, Joachim De Beule joachim.de.be...@gmail.com wrote: which expands into the following (valid) code: (defrecord R (content) tmp-protocol (do-sth [this] this)), how did you get that expansion? Try this: user= (macroexpand-1 '(my-defrecord R [content])) (clojure.core/defrecord R (content) user/MyProtocol (user/do-something [user/this] user/this)) Now it's obvious why it fails: Clojure's syntax-quote expands this to a symbol in the current namespace which, of course, doesn't exist. The idiomatic way to hygienically introduce local variables (function arguments in this case) is to suffix them with #, i.e.: (defmacro my-defrecord [name [ fields] body] `(defrecord ~name ~fields MyProtocol (do-something [this#] this#) ~@body)) HTH, Moritz -- 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
[no subject]
-- Softaddictslprefonta...@softaddicts.ca sent by ibisMail! -- 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
Re: Update an item from a list of maps in STM transaction
On Sat, 2012-03-31 at 11:00 -0700, Marcelo Macedo de Melo Silva wrote: I'm running multiple threads using this same list and need to update the value of an item inside a STM transaction. If you mean by value of an item the value in the database: I suggest you create an updater agent instead, shared by all the threads. While each thread is in a transaction, it can `send' an action to update the database to this agent. Agent sends are queued by the STM, so you can be sure only one update happens, and only if a transaction succeeds. If you mean to mutate the list of maps, you can't do that. I tried using one FUTURE for a REF but is not working. Not sure what this means. Futures are IDerefs... -- Stephen Compall ^aCollection allSatisfy: [:each|aCondition]: less is better -- 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
ANN tools.trace 0.7.3
Hi, A new version of tools.trace is out, 0.7.3 A) dynamic tracing is now available (contribution from Michal Marczyk and Don Jackson) B) dynamic tracing can be applied to all fns in a namespace in a single call C) with the latest version of autodoc deployed by Tom, the API documentation is greatly simplified, most of the API is based on macros, underlying public stuff is now hidden in the documentation. https://github.com/clojure/tools.trace API: http://clojure.github.com/tools.trace/ Luc -- Softaddictslprefonta...@softaddicts.ca sent by ibisMail! -- 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
Clojure Software Dev wanted, remote work
My employer, ThreatGRID, is looking for a clojure developer. We're a malware analysis and threat intelligence company. To translate, we take tens of thousands of pieces of bad software daily, analyze them, and put the results in a big database. We've built our web front-end and analysis engine in Clojure, using Noir, ClojureQL, core.logic, and lots of love. The primary responsibilities we are looking to fill are: * Data Analysis * Visualization * Web Dev We've got a great team of polyglot hackers with strong lisp biases, reverse-engineering backgrounds, and a pragmatism born of decades of collective experience. We work from home, with offices in NYC, and have team meetings from time to time (I'm writing this from our team retreat in Colorado). We are interested in talking to devs at all experience levels. If you are interested or have question, contact me at cr...@threatgrid.com The job is also posted here: http://www.threatgrid.com/jobs/ -- Craig Brozefsky cr...@red-bean.com Premature reification is the root of all evil -- 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
Re: ANN: Swiss Arrows
Just to follow up, I fixed the issues Roman found. Thanks again for your
help. I also took the advice from the issue Stephen Compall created, and
removed the special handling of quoted forms.
On Mon, Apr 2, 2012 at 5:25 AM, Roman Perepelitsa
roman.perepeli...@gmail.com wrote:
And a couple more:
user= (- 0 [1 ])
[1 0]
user= (- 0 { 1})
CompilerException java.lang.RuntimeException: Unable to resolve symbol:
in this context, compiling:(NO_SOURCE_PATH:16)
user= (- 0 {1 2 })
IllegalArgumentException No value supplied for key: 2
clojure.lang.PersistentHashMap.createWithCheck (PersistentHashMap.java:89)
Roman Perepelitsa.
2012/4/2 Roman Perepelitsa roman.perepeli...@gmail.com
Looks very nice!
Is the following behavior expected with Clojure 1.3?
user= (- 0 '())
( 0)
user= (- 0 [])
CompilerException java.lang.RuntimeException: Unable to resolve symbol:
in this context, compiling:(NO_SOURCE_PATH:24)
;; I guess this one is expected, although it would be nice if it worked.
user= (- 0 '(1 (1 )))
(1 (1 ) 0)
Roman Perepelitsa.
2012/4/2 Robert Levy r.p.l...@gmail.com
Swiss arrows is a library I wrote today, providing a number of useful
arrow macros.
- The Diamond Wand: a generalized arrow macro for threading into any
position.
- The Back Arrow: - with its arguments reversed, convenient in
some cases.
- The Furcula / Parallel Furcula: branch the result of an operation
in multiple directions, sequentially or in parallel.
- The Double Furcula / Parallel Furcula, Double-style: the above,
using - instead of -
- The Diamond Fishing Rod / Parallel Diamond Fishing Rod: the above,
using -
Swiss Arrows is available to try out right now at
https://github.com/rplevy/swiss-arrows
Feedback, ideas, and pull requests are of course very welcome.
Rob
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