Some related JIRA tickets,
http://dev.clojure.org/jira/browse/CLJ-700
http://dev.clojure.org/jira/browse/CLJ-757
http://dev.clojure.org/jira/browse/CLJ-932
All have patches, although I don't personally know whether they are correct
fixes.
Andy
On Feb 29, 2012, at 10:08 PM, Mark Engelberg wrot
Hi,
as others said: to check that a protocol function exists you can use
resolve as with every other function.
If you wanted to know, whether a type participates in a protocol directly,
you would check whether it implements the protocol's interface .
user=> (defprotocol Foo (foo [this]))
Foo
u
It is the expected behavior for everyone who has ever gotten burned by this
bug :)
Seriously though, this has come up several times over the last couple of
years. I remain baffled that this has never been fixed (at least not as of
1.3). There are two ways this could potentially be fixed. On the
>
> What should I be using to check that the symbol .firstName and
> .fullName are defined in the current scope?
>
"fullName" is easier because it gets interned in the current namespace:
user=> (ns-interns 'user)
{fullName #'user/fullName, ->Person #'user/->Person,
Hey everybody,
I did the following
(contains? (transient {:a 10}) :a)
and it returns
false
while doing (:a (transient {:a 10})) returns 10
Is this expected behaviour. Using clojure-version 1.2.1 (I know it is old
.. )
Thanks,
Sunil.
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On Wed, Feb 29, 2012 at 5:12 PM, Frank Wilson wrote:
> Hi,
>
> The behaviour of resolve for named functions seems pretty clear to me:
>
> (resolve 'xyz)
>
> returns nil (when xyz has not been defined).
>
> and
>
> (defn xyz [x] 1)
>
> (resolve 'xyz)
>
> returns #'user/xyz (when xyz is defined)
>
Oh happy day. :)
Adding swank-cdt to dev dependencies solved my problem.
Thank you very much!
Sent from my iPhone
On Feb 29, 2012, at 7:50 PM, Sean Corfield wrote:
> I'm on OS X Lion and using:
> * Emacs 24.0.90
> * clojure-mode 1.11.4
> * lein 1.6.2
> * swank-clojure 1.4.0 as a dev-dependenc
I'm on OS X Lion and using:
* Emacs 24.0.90
* clojure-mode 1.11.4
* lein 1.6.2
* swank-clojure 1.4.0 as a dev-dependency (and as a global plugin, if
it matters)
I start the REPL via M-x clojure-jack-in when viewing my project.clj
file. When I do (use 'swank.cdt) I see the following:
CDT ready
Cle
You need to include individual jars in your eclipse project dependencies if you
want
to benefit from the integrated REPL of the ccw eclipse plugin.
The next ccw major release will have leiningen and eclipse
project class path synchronization using the dependencies listed
in your project.clj file
Using eclipse to edit files is OK but *don't use it manage your
dependencies in Clojure.*
You should use leiningen to manage additions to your project. After
starting a project with
lein new projectName
you can edit the project.clj file in the folder that is created.
You'll see something like thi
I'm sorry, the context of the message was not included. It's a reply to a
thread in April 2011.
I have converted to Emacs and am using swank! Hooray!
Now, I want to use swank-cdt but I have this problem.
After installing swank-clojure 1.4.0 with lein, I run (use 'swank.cdt) in a
repl and I get th
I'm having the same issue on OSX with leiningen.
Unfortunately, it appears the cake project has been taken down so I cannot
use it to resolve the tools.jar problem.
http://releases.clojure-cake.org/cake gives a 404
The error I'm getting when I do (use 'swank.cdt) can be seen here
http://pasteb
Hello,
I have clojure 1.2 and eclipse, with contrib, running together, but I
don't understand how clojure 1.3 and eclipse integrate with the
contributions. It seems like it's simplily a matter of getting a
contrib from github and what? running it through lein and using the
jar file? adding the sou
Hi Bost,
I think you may have actually missed the point in the video :) There's
no pausing necessary - if I made the guy move on his own and changed
his speed, you'd see it happen immediately. No modes here, aside from
the projection exist. Likewise the only thing that gets recompiled is
the code
Yes it's a known issue. Right now, = only works for two args. For the time
being this is for performance reasons, a decent = is critical.
The way ClojureScript currently handles multiple arity fns is quite
unfortunate from a performance perspective - it uses the JavaScript
arguments object. This r
>>How is performance looking so far?
On CPython...well about as good as CPython is comared to Java. On PyPy
however, we're pretty close to Clojure. Currently on a factorial
example, clojure-jvm runs in about 15 sec. On clojure-py it's about 24
sec. But there's always room for more optimization.
> Currently we have about half of core.clj ported from JVM clojure to
> python clojure.
I know it's early, but have there been any thoughts/plans around
interop and dependency management, possibly providing some sort of
bridge between lein and pip/easy_install/virtualenv? And is
performance the m
On Wed, Feb 29, 2012 at 3:42 PM, Timothy Baldridge wrote:
> The core.clj file is probably the best way to get an idea of how
> clojure-py differs and is similar to clojure:
> https://github.com/halgari/clojure-py/blob/master/clojure/core.clj
>
> Currently we have about half of core.clj ported from
> Not sure how many people have seen this, looks interesting though:
>
> https://github.com/halgari/clojure-py
The core.clj file is probably the best way to get an idea of how
clojure-py differs and is similar to clojure:
https://github.com/halgari/clojure-py/blob/master/clojure/core.clj
Currentl
i had a cljs repl up and running...here's the comparison and the emitted JS
ClojureScript:cljs.user> (= 0 0 0)
true
; js => cljs.core._EQ_.call(null,0,0,0);
ClojureScript:cljs.user> (= 0 0 1)
true
; js => cljs.core._EQ_.call(null,0,0,1);
ClojureScript:cljs.user> (== 0 0 1)
false
; js => (functi
On Feb 29, 2:36 pm, Benjamin Peter wrote:
> Hello,
>
> when I was trying to port a little clojure app to clojurescript I
> think I noticed a difference in behavior of the "for" macro.
>
> I am quite new to clojure and maybe you can tell me where my problem
> is or if my assumptions that there migh
Hi,
You should be using == for comparison between numbers.
(for [a [0 1] b [0 1]
:when (not (== 0 a b))]
[a b])
has the same results between clojure and clojurescript.
Cheers,
Jordan
On Wed, Feb 29, 2012 at 5:36 PM, Benjamin Peter wrote:
> Hello,
>
> when I was trying to port
Not sure how many people have seen this, looks interesting though:
https://github.com/halgari/clojure-py
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Hello,
when I was trying to port a little clojure app to clojurescript I
think I noticed a difference in behavior of the "for" macro.
I am quite new to clojure and maybe you can tell me where my problem
is or if my assumptions that there might be a problem could be
correct.
As far as I see it, t
Hi,
The behaviour of resolve for named functions seems pretty clear to me:
(resolve 'xyz)
returns nil (when xyz has not been defined).
and
(defn xyz [x] 1)
(resolve 'xyz)
returns #'user/xyz (when xyz is defined)
However if I try to define types:
(defprotocol Named
(fullName [Named]))
On Wednesday, February 29, 2012 6:03:32 AM UTC-8, Fogus wrote:
>
> > 3. Added a core.cache/CacheProtocol implementation
>
> This is great news. Thank you for taking the time to do this. I
> would love to know how core.cache helped and hindered you.
>
I'd say integrating with CacheProtocol hel
A similar version:
(defn combinations [[x & xs]]
(if xs
(for [e x c (combinations xs)]
(cons e c))
(map list x)))
Juan Manuel
El lunes 27 de febrero de 2012 15:23:30 UTC+1, Bill Caputo escribió:
>
> Here's a version that uses destructuring (but is otherwise the s
Maybe it is that you haven't included the directory where the cake
executable is in the text mate PATH.
For instance, my PATH is defined
as: /Users/jmgimeno/Local/cake/bin:/usr/bin
because my cake executable is in /Users/jmgimeno/Local/cake and textmate
needs /usr/bin for other things.
To c
TimMc on IRC helped me find this line in the source:
https://github.com/clojure/clojure/blob/1.3.x/src/jvm/clojure/lang/ARef.java#L29
If I change my validator to throw a RuntimeException, then I get the
behavior I want.
Thanks Tim!
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There's contrib library that you might find interesting:
https://github.com/clojure/math.combinatorics
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Is there any way to specify the error message when using set-
validator! with a dynamic var?
In a situation like this:
(binding [*my-var* -1]
(foo))
I'd like to be able to throw a custom exception when they try to bind
to a negative number.
Using set-validator! like this, the Exception messag
Hi all,
I'm pleased to announce the 0.0.2 release of fobos_clj (Supervised machine
learning classifier called 'FOBOS')[1]. You can use support vector machine or
logistic regression with this library. The learned model file is quite small,
so you can use this library in your own application.
> I'm more curious about why the output isn't even deterministic. The
> same input string produced three different results.
You can see in the FAQ
(http://code.google.com/p/language-detection/wiki/FrequentlyAskedQuestion)
that:
"Langdetect uses random sampling for avoiding local noises(person
nam
Core has not submitted the application. The application process just opened
Monday and goes until March 9th. There have been some leaders among
Clojure/dev that have stepped up to organize things. Keep
watching http://dev.clojure.org/display/community/Google+Summer+of+Code+2012
for more details
I'm more curious about why the output isn't even deterministic. The
same input string produced three different results.
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On 29 February 2012 17:48, Lee Hinman wrote:
> On Tuesday, February 28, 2012 6:03:26 PM UTC-7, Robin Kraft wrote:
>>
>> Awesome! I'm seeing some inconsistency though. Does anyone know why a
>> Bayesian classifier would produce such different results? Could it be
>> because of the short input text?
On Tuesday, February 28, 2012 6:03:26 PM UTC-7, Robin Kraft wrote:
>
> Awesome! I'm seeing some inconsistency though. Does anyone know why a
> Bayesian classifier would produce such different results? Could it be
> because of the short input text?
>
> (lang/detect "My name is joe")
> ["af" {"af
Most 4clojure exercises are meant for you to familiarize yourself with the
clojure standard library. Usually you'll spend more time looking for the
appropriate function on clojuredocs than actually coding the solution.
Here's the section on collections:
http://clojuredocs.org/quickref/Clojure%20Co
On Tue, Feb 28, 2012 at 10:40 AM, Bost wrote:
> I have a java class with several static methods:
>
> package org.domain.test;
>
> public class My {
> static public void sBar(String x, String y)
> { System.out.println("sBar "+x+":"+y); }
> static public void sBaz(String x, String y)
> { System.ou
> 3. Added a core.cache/CacheProtocol implementation
This is great news. Thank you for taking the time to do this. I
would love to know how core.cache helped and hindered you.
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Hi Dave,
This is awesome! :)
DHM writes:
[...]
> Thanks to Jim Crossly for the suggestion to look into CacheProtocol.
> Also, Jim, I hope you don't mind that I borrowed your naming scheme
> for the put functions. :-)
Not at all. I love that within a coupla weeks we've introduced two
distribut
So, you need to give it a function which takes an key and a collection.
(fn [k coll] ...)
It should return true if two things are true. That the collection
_contains_ the key, and the key is _nil_
Enjoy!
/Kevin
On Wed, Feb 29, 2012 at 7:15 AM, weiyongq wrote:
> "A nil key "
> http://www.4cl
Another two ideas were added :) (Native Clojure and Code optimizer).
Hoping readers will not mind for putting myself as mentor on one of
them, but if there are better candidates, feel free to take it :) I
did a little bit gcj + Clojure playing and I'm eager to see native
Clojure without jvm.
Alth
Hi, I'm trying to get Cake to work with TextMate. I've installed both
the TextMate bundle and Cake, but when trying to evaluate a script:
(print (+2 2))
-^ Ctrl-X
I get "env: cake: No such file or directory"
I'm using RVM, so have spent some time studying this thread that
discus
I have a java class with several static methods:
package org.domain.test;
public class My {
static public void sBar(String x, String y)
{ System.out.println("sBar "+x+":"+y); }
static public void sBaz(String x, String y)
{ System.out.println("sBaz "+x+":"+y); }
}
I'd like to execute these me
Hey Laurent here in Germany we have a soviet-style censorship worse
than during the cold war. Youtube says:
Unfortunately, this video is not available in Germany because it may
contain music for which GEMA has not granted the respective music
rights.
Sorry about that.
(And I can't use web proxy f
Great work Chris but I think you missed exactly the most important
point of Victor's talk.
It's about being modeless!
When you stop the game in order to change the speed you lose the
dynamic aspect.
In your case it takes ~ 2secs to "recompile & restart" but if you have
a game with 10^6 LoC then it
Use incanter.
On Feb 27, 2012 2:29 PM, "meteorfox" wrote:
> Thanks for the suggestion but I'm already using it to parse it, it's
> really simple to use.
>
> What I really meant is, what could be a good library for making graphs
> based on sampled data?.
>
> Suppose I have the following
>
> , , ,
On Tue, 2012-02-28 at 01:35 -0600, Devin Walters wrote:
> One item that hasn't made the project ideas list that I've seen
> numerous threads about is documentation. Does this fall within the
> scope of GSoC?
>
>
> It seems like there are a lot of opportunities to either organize,
> revise, update
Hi Mike,
If I understood your aim correctly, and if you accept changing the
output of (combinations [[1 2]]) to ((1) (2)) instead of (1 2), which
I think makes more sense,then the reduce function does the job in one
line for you.
(defn combinations [items]
(reduce #(for [l % i %2] (conj l i)) [
Hi Karl,
My emacs setup is also based on live coding.
For ClojureScript One hacking, I use lein swank and slime-connect - for
clojure. And for cljs, I use inferior-lisp.
When I'm in a cljs file, I just disable the slime-mode, so it uses the
inferior-lisp.
./Vijay
On Sunday, February 19, 20
> mvn goalname -Dinsert.property.here=true
I tried this and it didn't work.
> AFAICT, the lazytest maven plugin launches tests in a separate JVM:
So I think the only way to overcome this is to make the plugin
understand new configuration option.
On Feb 27, 3:17 pm, Rob Lally wrote:
> I'm reason
Hi Sunil,
Might the problem lie within the function that consumes the seq-of-maps?
There is a reduce in there that accumulates some data. I can't tell from
the code whether that would amount to much, though.
Regards,
Caspar
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Awesome! I'm seeing some inconsistency though. Does anyone know why a
Bayesian classifier would produce such different results? Could it be
because of the short input text?
(lang/detect "My name is joe")
["af" {"af" "0.8571390166207665", "lt" "0.14285675907555712"}]
(lang/detect "My name is joe")
Hi,
I didn't find what license is owned by logo of Clojure and I would like to
use it on a magazine article.
I saw a conversation, not conclusive, in which Rich Hickey (or his
brother) gives the permission for a guy but it wasnt clear about the
current license that rule the logo.
Do you have any
Last week I released mcache 0.1.0, a protocol-based clojure library
for memcached.
This latest change contains significant changes, summarized here:
1. Renamed the functions, and got rid of the "cache-" prefix
2. Removed increment and decrement functions from the protocol, as
these seemed like
"A nil key "
http://www.4clojure.com/problem/134
l look it no Elementary.please give me some help.
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Can someone confirm that Clojure/core has already sent an application GSoC
participation? I am just wondering if core is already interested in this
kind of event or the initiative currently comes only from mentors.
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Hi
You should be able to submit bugs here: http://dev.clojure.org/jira
This explains the process: http://clojure.org/patches
/Kevin
On Wed, Feb 29, 2012 at 11:12 AM, N8Dawgrr wrote:
> I found a bug in Clojure core, and know its solution, question is how
> to submit a bug report?
>
> FYI here i
I found a bug in Clojure core, and know its solution, question is how
to submit a bug report?
FYI here is the bug:
=> (.withMeta list {:a 1})
#
This is reporducable in Clojure 1.2 and Clojure 1.3
This cause of this issue is in:
svn/trunk/src/jvm/clojure/lang/PersistentList.java
with the stati
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