Eg:
I have a leiningen plugin I'm building that calls some jdbc stuff, but the
specific driver would be specified in the project that brings in my plugin
as a dependency.
Would this be possible? If so, how would I go about it? Was looking into
leinjacker, but having trouble accomplishing
On Thursday, 11 July 2013 12:24:34 UTC+5:30, Chris Kuttruff wrote:
Eg:
I have a leiningen plugin I'm building that calls some jdbc stuff, but the
specific driver would be specified in the project that brings in my plugin
as a dependency.
Can you describe your use case with an example
Shantanu, thanks for the reply; yes, that definitely seems like a similar
situation. I will take a close look at that code tomorrow.
Here is the example that you requested:
Entry point for the plugin:
https://github.com/ckuttruff/clj-sql-up/blob/master/src/leiningen/clj_sql_up.clj
Function
Hey,
the lab stuff looks very interesting, I however couldn't quite figure out
how to unsubscribe one channel from the broadcast since I cannot exchange
the topic for every subscriber when one subscriber decides to leave. Its
also a lot lower level than I'm currently comfortable with since I
Honeysql is nice but it only supports select statements FYI.
That said it's probably easy to extend, but my point is that it's far from
complete, so I am not sure it's a good recommendation at the moment.
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This is awesome, thanks a ton. Solved all the issues I had with 0.2
Cheers,
/thomas
On Wednesday, July 10, 2013 8:26:03 PM UTC+2, Chas Emerick wrote:
Earlier today, we released [com.keminglabs/cljx 0.3.0], which brings a
bunch of significant changes and improvements:
OK thanks Brian - I've managed to reproduce it with this config.
I'll figure out a fix and do a new release in the next couple of hours.
On Thursday, 11 July 2013 01:52:16 UTC+1, Brian Craft wrote:
[org.clojure/clojure 1.5.1]
[net.mikera/core.matrix 0.8.0]
[net.mikera/vectorz-clj 0.10.0]
This is a heavily overloaded naming space - especially when you consider
code.matrix as well, and usage of these words in mathematical / scientific
communities.
Data scientists generally expect a vector to be a 1D collection of
numeric values, in the same sense that a matrix is a 2D
Hi everyone, I'm new to Clojure and trying to learn my way around the
language.
I've written a function that sums the frequencies of words starting with
the same letter, however I'm not fully satisfied with the result. I'm
striving for readability and idomaticity, but I fear that my rather
The following pathological case triggers a confusing stack overflow error.
*$ lein repl*
*...*
*user= (def x (atom nil))*
*#'user/x*
*user= (reset! x x)*
*
*
*StackOverflowError java.util.regex.Pattern$Curly.match
(Pattern.java:4125)*
*
*
*;;; Of course, I can avoid the problem:*
*user= (set!
David,
I wouldn't automatically set any values around the printing. The user
should be free to do what he likes.
But the repl could start out with some sane defaults, which are not
limiting in the usual case, but safe in general. Like 50 for the level and
1000 for the length. Then you are not
Consider a happy, oblivious producer of values:
(def c (chan 42))
(go (while true (! c (rand
It doesn't know where/now the channel is consumed (which part of the point
of channels/queues). However, we *do* know that at some point, nobody will
need the result of our producing, so we should
Hello James,
2013/7/11 James Trunk james.tr...@gmail.com:
Hi everyone, I'm new to Clojure and trying to learn my way around the
language.
I've written a function that sums the frequencies of words starting with the
same letter, however I'm not fully satisfied with the result. I'm striving
No comments?
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Hi Brian,
I've released a new vectorz-clj version to Clojars which should fix the
problem:
[net.mikera/vectorz-clj 0.11.0]
Hopefully that works for you!
On Thursday, 11 July 2013 00:44:46 UTC+1, Brian Craft wrote:
Without vectorz:
= (+ 5 (matrix [1 2 3]))
[6 7 8]
With vectorz:
= (+ 5
I am having a similar error, but it is happening for the vectors. I just
updated to the 0.11.0 version of vectorz. I have the following project file:
[org.clojure/clojure 1.5.1]
[incanter/incanter-core 1.5.1]
[incanter/incanter-charts 1.5.1]
[net.mikera/vectorz-clj 0.11.0]
And I get an
Woops - my error is really different from my prior post. I forgot to put
vz/vec in my function call:
(vz/+ 5 (vz/vec [1 2 3]))
ClassCastException java.lang.Long cannot be cast to mikera.vectorz.AVector
mikera.vectorz.core/clone (core.clj:38)
On Thursday, July 11, 2013 9:37:06 AM UTC-4, P
Ah - that is expected behaviour because you are using the specialised
vector-only operators in mikera.vectorz.core. These are fast type-hinted
versions of functions (that only work on vectors).
If you want to use the broadcasting operations that work with different
types, you need to use the
Hello Laurent,
Thank you so much for your detailed and helpful reply.
You could use the new as- macro in clojure 1.5
Is it possible to get as- to work with thread-last?
depends :-) since your 2 fns are helper fns rather than
generically-reusable fns, I would make them private to enforce
I am.
On Wed, Jul 10, 2013 at 2:59 PM, Kelker Ryan theinter...@yandex.com wrote:
Thanks. It's currently alpha and there's a lot more to come.
Are you by chance the same Degutis from 8th light?
11.07.2013, 02:12, Steven Degutis sbdegu...@gmail.com:
Wow. You obviously put a lot of work
This idea's been on my mind lately: could Clojure be used as a unifying
force for all those disparate file formats and frameworks like:
- XML / XLink / XPointer / XQuery,
- JSON,
- HTML / XHTML,
- CSS,
- JavaScript / jQuery,
- Flash (SVG/ActionScript),
- SQL,
- and (of course) Java?
As a
It's true that many of these systems are equivalently powerful and
redundant, but the dominant forces driving them are social, not technical.
Fred Brooks's 'The Mythical Man-Month' is the classic book on this topic.
In an ideal world, where information flowed freely and instantly, all these
With the exception of XML and Flash, my framework covers all of that
https://github.com/runexec/chp
11.07.2013, 23:37, Alexander Gunnarson alexandergunnar...@gmail.com:
This idea's been on my mind lately: could Clojure be used as a unifying force
for all those disparate file formats and
There is a link Download other versions with tooltips near the top of the
Clojure Cheat Sheet page (http://clojure.org/cheatsheet) that links to
versions that are a bit more recent, and they include tooltips of the doc
strings when you hover your cursor over the symbol.
The version at
Yes, that works better, thanks!
Is there an element-wise matrix multiply? Maybe I can copy the code for the
/ operator.
On Thursday, July 11, 2013 5:57:30 AM UTC-7, Mikera wrote:
Hi Brian,
I've released a new vectorz-clj version to Clojars which should fix the
problem:
Hi all, this is my first experience with Shoreleave and I'm trying to use
it's RPC mechanism to perform AJAX tasks. However, on a call to a remote
procedure, I get this:
`
1. POST http://localhost:8080/_shoreleave 404 (Not Found)
cljs.js:25223http://localhost:8080/js/cljs.js
1.
Ok understood! Thanks for the tip. I'll switch over to the core.matrix
system. So as I understand it, I need the vectorz dependencies in my
project file, then I use the core.matrix and core.matrix.operators with the
:vectorz implementation specified?
Thanks!
Patrick
On Thursday, July 11,
Just found emul, which I believe is what I need.
On Thursday, July 11, 2013 9:52:12 AM UTC-7, Brian Craft wrote:
Yes, that works better, thanks!
Is there an element-wise matrix multiply? Maybe I can copy the code for
the / operator.
On Thursday, July 11, 2013 5:57:30 AM UTC-7, Mikera
Elementwise matrix multiply is called emul (clojure.core.matrix/emul)
It's named for consistency with the other operations that work on elements,
e.g. ecount, esum, emap, ereduce etc.
On Thursday, 11 July 2013 17:52:12 UTC+1, Brian Craft wrote:
Yes, that works better, thanks!
Is there an
Yes that should work fine.
You can also use (clojure.core.matrix/set-current-implementation :vectorz)
if you are working at the REPL / don't want to explicitly ask for a vectorz
type every time. It is a global setting however - so use with caution.
On Thursday, 11 July 2013 18:14:04 UTC+1, P
Hello,
I went through the clojure core logic code and picked the functions I
though that might go into the cheat sheet. The groups are pretty much
defined by the code comments left by David and co.
Hey, good job.
I missed a cheat sheet like this.
Thank you.
On Thu, Jul 11, 2013 at 3:06 PM, Benjamin Peter benjaminpe...@arcor.dewrote:
Hello,
I went through the clojure core logic code and picked the functions I
though that might go into the cheat sheet. The groups are pretty much
This mostly looks good I remove the references to the defnc, fnc and predc
these are very experimental, likely to change, and easy to cause trouble if
you're not careful.
David
On Thu, Jul 11, 2013 at 1:06 PM, Benjamin Peter benjaminpe...@arcor.dewrote:
Hello,
I went through the clojure
Hi there,
I am working on an application using Lamina where I register several
callbacks on a channel with receive-all. At some point in the application,
I want to cancel all current callbacks. When this occurs the channel
appears to close. Why does this happen? Is this a safety feature? For
Elastisch [1] is a minimalistic Clojure client for ElasticSearch.
1.2.0-beta3 is a development release that adds a minor feature to the REST
client
and upgrades ElasticSearch dependency to 0.90.2.
Release notes:
http://blog.clojurewerkz.org/blog/2013/07/11/elastisch-1-dot-2-0-beta3-is-released/
Hi Patrick,
A similar question has been asked in the Aleph mailing list, and you can
see my answer there:
https://groups.google.com/forum/#!topic/aleph-lib/SIO9Z8d3tdo. For future
reference, you're more likely to get my attention, or the attention of
someone else who can answer your
With the exception of XML and Flash, my framework covers all of that
https://github.com/runexec/chp
Your framework seems very promising. I'll have to play around with it. Any
plans for extending it to enclose XML?
ActionScript/Flash seems to have been addressed somewhat by
Awesome! After I posted I ran into the permanent-channel in the API docs.
Thanks for your help,
Patrick
On Thursday, July 11, 2013 3:58:47 PM UTC-4, Zach Tellman wrote:
Hi Patrick,
A similar question has been asked in the Aleph mailing list, and you can
see my answer there:
As a side note, maybe we can keep a running list of Clojure-ized
technologies we're aware of:
- XML - *clojure/data.xml https://github.com/clojure/data.xml*
- XLink + XPointer + XQuery -
*clojure/data.xmlhttps://github.com/clojure/data.xml
*
- JSON -* Clojure Home Page (CHP)
I'm trying to use a domonad block with the state monad, and I'm running
into trouble chaining together multiple monadic instructions.
Take this for example:
;; This block of code fetches the value from :a in the state,
;; and then associates a new value for :b if :a is set.
(domonad state-m
[a
Is it not possible just to put another domonad block in the true branch of
the if? Alternately, it should be possible to do it with an explicit bind
operation.
On Thu, Jul 11, 2013 at 2:11 PM, JvJ kfjwhee...@gmail.com wrote:
I'm trying to use a domonad block with the state monad, and I'm
Yeah it is possible to do it with another domonad block. I just don't want
to clutter up the code by repeating myself.
I made a macro do-state that introduces a new domonad block using the
current state. It works:
(defmacro do-state [bindings r]
`(fn [st] ( (domonad state-m ~bindings
On Wed, Jul 10, 2013 at 10:53 AM, Jay Fields j...@jayfields.com wrote:
I work in emacs with 2 repls running - 1 for running my app and 1 for
running my tests.
What is the magic to get this working and how does Emacs / nrepl.el
know which REPL to send commands to?
I've often wanted multiple
On Wed, Jul 10, 2013 at 11:00 AM, Vincent vhenneb...@gmail.com wrote:
I guess I can proxy APersistentVector, but the Clojure docs [1] advise to
use reify in favour to proxy whenever possible. My goal is to have my byte
stream behave like a standard Clojure vector.
Given the definition of
On Thu, Jul 11, 2013 at 5:53 PM, Sean Corfield seancorfi...@gmail.comwrote:
On Wed, Jul 10, 2013 at 10:53 AM, Jay Fields j...@jayfields.com wrote:
I work in emacs with 2 repls running - 1 for running my app and 1 for
running my tests.
What is the magic to get this working and how does
Thanx Jay. For whatever reason, multiple nREPL buffers has never
worked for me before but on reading that I suspect I may just have had
incorrect assumptions about how it was actually supposed to work...
Sean
On Thu, Jul 11, 2013 at 3:10 PM, Jay Fields j...@jayfields.com wrote:
On Thu, Jul
I haven't been in any discussions about this with the team, so it's
entirely possible I am ignorant of some established future direction... but
- closed? seems useful to me. (It may also be useful to ask drained?
(closed + empty).)
- ! returning an indicator of success also seems useful.
I think you could pass the producer a higher-order (chan 1) with the
actual communication channel placed in the buffer.
Then at each step the producer would do
(when-let [c (! communication-channel)]
(! c (rand))
(! communication-channel c))
Once you close communication-channel, the put
It's interesting to note that blocking go blocks can actually be GC'd. For
example, run this in a repl:
(loop [] (let [c (chan)]
(go (! c 42)))
(recur))
On my box the CPU and memory spikes, but after I CTRL+C and kill the loop,
the GC kicks in and collects all the channels and gos
Hi Timothy,
That's very cool and very good to know!
Cheers,
M.
On 12 July 2013 00:56, Timothy Baldridge tbaldri...@gmail.com wrote:
It's interesting to note that blocking go blocks can actually be GC'd. For
example, run this in a repl:
(loop [] (let [c (chan)]
(go (! c 42)))
As for the producer/consumer scheme with the higher-order channel, it
works in the single-producer case:
https://gist.github.com/michalmarczyk/5980097
(Actually this is simplified a bit in that it's also single consumer,
but that's not a feature of the approach, but rather my quick dirty
poc.)
Brilliant! worked perfectly for me... found the magic you were referring
to in load-deps (
https://github.com/kumarshantanu/lein-servlet/blob/master/plugin/src/leiningen/servlet.clj#L35
)
and the pomegranate/add-dependencies call (
Wouldn't closed and drained predicates introduce race conditions?
(Sorry for brevity, on my phone)
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There was some discussion a few days ago about how the lack of local
mutable variables were harming performance, or possibly elegance, I'm not
sure. Regardless, I fixed it: https://github.com/ztellman/proteus
Enjoy!
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On 12 July 2013 01:08, Michał Marczyk michal.marc...@gmail.com wrote:
(Actually this is simplified a bit in that it's also single consumer,
but that's not a feature of the approach, but rather my quick dirty
poc.)
Single consumer, multiple producers:
Note:
proteus (defmacro aif [test then else]
(let [it (first (filter #(not (contains? env %))
(cons 'it (map #(symbol (str it- %))
(iterate inc 1)]
`(let [~it ~test] (if ~it ~then ~else
#'proteus/aif
proteus (aif (get {:x {:y 3}}
Yeah, for safety's sake I need to macroexpand everything, which wipes out
the env for internal macros. There might be a gentler way to do this, but
it's not obvious to me. If anyone has suggestions, I'd be interested in
hearing them.
Zach
On Thursday, July 11, 2013 6:35:21 PM UTC-7, Ben
On Thu, Jul 11, 2013 at 6:48 PM, Zach Tellman ztell...@gmail.com wrote:
Yeah, for safety's sake I need to macroexpand everything, which wipes out
the env for internal macros. There might be a gentler way to do this, but
it's not obvious to me. If anyone has suggestions, I'd be interested in
It looks like the macroexpansion code in conditions.free is fairly generic.
What would you say to putting it into its own library?
On Thu, Jul 11, 2013 at 6:54 PM, Ben Wolfson wolf...@gmail.com wrote:
On Thu, Jul 11, 2013 at 6:48 PM, Zach Tellman ztell...@gmail.com wrote:
Yeah, for safety's
Sorry, but I don't have any plans on adding AS2/3 or XML support by default. Thanks! The framework is currently Alpha and I just added auto-documenting features for the JSON API. https://github.com/runexec/chp/releases/tag/v.0.162-alpha CHTML, Routing, and Sessions CHTML RoutesSession handling,
Try these.
http://www.clojuresphere.com/
http://www.clojure-toolbox.com/
https://clojure-libraries.appspot.com/
12.07.2013, 05:32, Alexander Gunnarson alexandergunnar...@gmail.com:
As a side note, maybe we can keep a running list of Clojure-ized
technologies we're aware of:- XML -
Sure, I was considering that anyway. I'm not sure, though, whether it
should be in its own library all by its lonesome or in one with at least a
fairly generic name, since I've got some other macro-related utilities
(specifically https://github.com/bwo/macroparser) that could all be
usefully (I
I think you need to (use projectname.ajax) in your projectname.handler
page. If I remember correctly, there's also a way to specify which
namespace your remote function is in.
On Thursday, July 11, 2013 10:42:15 PM UTC+5:45, Alex Fowler wrote:
Hi all, this is my first experience with
On Friday, 12 July 2013 05:00:43 UTC+5:30, Chris Kuttruff wrote:
Brilliant! worked perfectly for me... found the magic you were referring
to in load-deps (
https://github.com/kumarshantanu/lein-servlet/blob/master/plugin/src/leiningen/servlet.clj#L35)
and the pomegranate/add-dependencies
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