On Nov 16, 2009, at 5:56 AM, prhlava wrote:
> No big deal, the fix is simple - this is heads up if more people find
> their code broke with over-flow to infinity with the new version of
> clojure.
>
> It looks that float type "propagates" into arithmetics (and it did not
> before) - better expla
--
Daniel Simms
On Nov 24, 2009, at 22:23, Adrian Cuthbertson wrote:
> The other spin-off of this is that using the repl, one is able to
> really explore the api's of these big libraries dynamically and get to
> know them much more intimately than when doing static compilation/run
> cycles as
I used clojure to write an application that interpolates SQL results
(from clojureql) into Excel spreadsheets (using Java interop to
Apache's POI lib). I have a two users putting this to use for their
project progress reporting.
On Nov 23, 5:00 pm, Raoul Duke wrote:
> hi,
>
> i'd be interested t
For a data analysis/reporting application, I use colt for some matrix
processing, joda time for period calculations, jfreechart to generate
charts, an adaptation clj-html to create some dynamic html, also now
some StringTemplate templates to bring in and manipulate static
content and finally all th
On Nov 24, 9:45 pm, kony wrote:
> On 24 Lis, 18:07, Krukow wrote:
>
> > Three concurrent replies. We'd be better off using locks :-)
>
> Three concurrent replies but each of them brings something new ;)
> Thank you very much for all of them!
>
> ... what is the use case,... I am just working on
On Nov 12, 6:10 am, Rich Hickey wrote:
> An early version of the code for a few important new language
> features, datatypes[1] and protocols[2] is now available in the 'new'
> branch[3]. Note also that the build system[4] has builds of the new
> branch, and that the new branch works with curren
Tom Faulhaber writes:
> So, Phil, if you want to take it from there, it would be great. If you
> don't, I'll keep it on my list.
Thanks for the notes; nice to see someone has done some detective work
already. I'll probably try to take a look at this once I get Leiningen
1.0 out. It looks like ti
Evening all,
I've been working on a library for writing web applications for
compojure. I've got it written and (I think) working. First thing
tomorrow is to write a sample app and post it along with the library.
But in the meantime, I thought I'd let you all read about it if you're
having troubl
Peter:
I recommend pages 60-62 in Stuart's book for demonstrating how to do
this. The notes about (. Math PI) or Math/PI (equivalent notations)
are very much to point.
To demonstrate:
;first the import
user=> (import '(java.util.logging Logger Level))
nil
;create a logger
user=> (def our-logger
I did take a little bit of a look at it and it is both simple and
complex.
When you're not AOT compiling code, the symbol that's creating the
namespace gets wrapped with metadata when the ns macro is evaluated.
This metadata is then explicitly moved on to the namespace.
When the compiler runs, it
You're right, the tests have not been converted to 3.2, so they are not
running at this time. The best thing to look at is the tutorial.clj - most
of these work properly, but example6 doesn't return correct results. The
ones that don't work is where the clj code is incomplete, so I still have
som
Hi Mike - thanks for this.
I am fairly new to git, but from what I can tell, I have the agraph32
branch as current. The clojure code on the agraph32 branch still seems
to be using the AG 4.0 API. For example...
http://github.com/franzinc/agraph-java-client/blob/agraph32/clojure/test/com/franz/agr
At my workplace (University of Houston, dept. of Health and Human
Performance) Clojure is our primary language for interacting with our
virtual world presence in Second Life.
We have an automated lesson path building system currently in
production, and several other projects in various states.
aut
Dear fellow Clojurians,
I'd like to announce a new release of Clojuresque formerly known as
clj-gradle. There not many changes, but some fixes. Namely:
* compileClojure now fails, when compilation fails
* compileClojure does not depend on compileJava anymore. The user can
decide now.
* one
Hi,
Am 24.11.2009 um 22:39 schrieb Peter Wolf:
Logger.getLogger("").setLevel(Level.WARNING)
(.setLevel (Logger/getLogger "") Level/WARNING)
Methods: obj.method(args) => (.method obj args)
Static methods: Class.method(args) => (Class/method args)
Static members: Class.MEMBER => Class/MEMBER
On 24 Lis, 18:07, Krukow wrote:
> Three concurrent replies. We'd be better off using locks :-)
Three concurrent replies but each of them brings something new ;)
Thank you very much for all of them!
... what is the use case,... I am just working on some kind of process
algebra simulator written
Hi,
Am 24.11.2009 um 17:30 schrieb John Harrop:
There's a Clojure or a Java library for generating pdf?
I use enlive to generate a HTML version with CSS of the report. This
is turned by virtue of flying saucer and iText into PDF. At least that
is the plan. Whether it will work satisfactor
Hi,
Am 24.11.2009 um 18:47 schrieb Garth Sheldon-Coulson:
I'd be really interested in hearing others' views on the propriety of
binding all the dynamic vars every time using bound-fn or equivalent.
I asked whether it should to take a map or not in the assembla thread
of the ticket. But ther
That's great - now why didn't I realise that :-)
Thanks,
Chris
2009/11/24 Christophe Grand
> Hi,
>
>
> On Tue, Nov 24, 2009 at 6:38 PM, Chris Jenkins wrote:
>
>> Is it possible to set *warn-on-reflection* such that it can be seen by
>> multiple threads? I can't use def to define *warn-on-re
On Nov 24, 11:30 am, John Harrop wrote:
> There's a Clojure or a Java library for generating pdf?
Apache FOP is an XSL-FO processor than can generate PDF documents.
I've heard good things about iText, a Java library for generating or
modifying PDF docs.
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On Tue, Nov 24, 2009 at 04:39:38PM -0500, Peter Wolf wrote:
>Here is a N00B question, but I can not find the answer by Googling, or
>reading Stuart's book. So, I assume that others will want to find this
>FAQ in the future.
I think it's also change a bit since the book.
>I am calling legacy cod
Static field are accessed with the / operator
user=>(import (java.util.logging Logger Level))
user=>(let [a-logger (Logger/getLogger "")]
(.setLevel a-logger Level/WARNING))
Or, this could be chained as
user=>(.setLevel (Logger/getLogger "") Level/WARNING)
Hope this helps,
Sean
On Nov
Hi,
On Tue, Nov 24, 2009 at 10:39 PM, Peter Wolf wrote:
> Here is a N00B question, but I can not find the answer by Googling, or
> reading Stuart's book. So, I assume that others will want to find this
> FAQ in the future.
>
> I am calling legacy code, and I need to set the level on the Java Lo
On Tue, Nov 24, 2009 at 01:04:57AM -0800, Meikel Brandmeyer wrote:
>Hi,
>
>On Nov 24, 9:44 am, bOR_ wrote:
>
>> Can we get an option 'leiningen' at "how do you get clojure"?
>
>I think this is basically Maven/Ivy, no?
Leiningen includes, within it's own Jar, a particular version of the
clojure sn
Hi all,
Here is a N00B question, but I can not find the answer by Googling, or
reading Stuart's book. So, I assume that others will want to find this
FAQ in the future.
I am calling legacy code, and I need to set the level on the Java Logger.
In Java it would look like this
import java.ut
On Nov 24, 7:50 pm, Krukow wrote:
> On Nov 14, 5:42 pm, André Thieme wrote:
>
> > But in real programs things are not so easy. We have refs in refs.
>
> This is just a thought experiment. But what about actually having refs
> in refs? I'm not sure if I am reinventing mutable object here, so
> p
Hi,
On Tue, Nov 24, 2009 at 6:38 PM, Chris Jenkins wrote:
> Is it possible to set *warn-on-reflection* such that it can be seen by
> multiple threads? I can't use def to define *warn-on-reflection* because it
> is defined in another namespace. I can use set! to change the value of the
> binding
On Tue, Nov 24, 2009 at 5:30 PM, Amnon wrote:
> I hope it's not the billion time you get the question.
> I wanted to use clojure for image processing. I have a 3 dimensional
> array I'm passing to clojure from java.
> I then loop on the array to manipulate it.
> Even the simplest task takes about
> (i love how supposedly we've come so far with our systems, only to
> have them become overly complex. it is to sigh. on the other hand i
> guess it is 'job security'.)
Heh, true. Reading articles about JVM tuning reminds me what the "M"
stands for -- it's as complicated a topic as optimizing t
On Nov 14, 5:42 pm, André Thieme wrote:
> But in real programs things are not so easy. We have refs in refs.
This is just a thought experiment. But what about actually having refs
in refs? I'm not sure if I am reinventing mutable object here, so
please shoot me down ;-)
Clojure 1.1.0-alpha-SNA
> Most likely it's related to the JVM version (1.5 by default), the
> amount of memory allocated (I use -Xmx512m), the amount of L2 cache, a
> HotSpot tuning parameter, or something else along those lines.
>
> There are far too many possibilities to consider, and too little
> evidence, to support a
> I believe that this is most likely a symptom of the Apple JVM and not
> that of transients as the change from persistents to transients is
> far more substantial
> on one of our linux servers than it is on my macbook pro (6x vs 2x
> speedup)
Not necessarily so. My times earlier in this threa
> I believe that this is most likely a symptom of the Apple JVM and not
yeah, given Apple's wonderful treatment of Java over the years, i
could believe your theory.
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On Nov 23, 9:47 pm, Richard Newman wrote:
> Anyway, apologies for possibly starting a "closed-source is evil"
> debate. Let's hope it fizzles.
Yes, please, let's end this here. Any further non-Clojure content on
this thread might be moderated.
Thanks,
Rich
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On 24 Nov 2009, at 17:30, Amnon wrote:
> I hope it's not the billion time you get the question.
> I wanted to use clojure for image processing. I have a 3 dimensional
> array I'm passing to clojure from java.
> I then loop on the array to manipulate it.
> Even the simplest task takes about half a
Hi,
Is it possible to set *warn-on-reflection* such that it can be seen by
multiple threads? I can't use def to define *warn-on-reflection* because it
is defined in another namespace. I can use set! to change the value of the
binding for one thread but this is not seen by other threads:
(set! *wa
I hope it's not the billion time you get the question.
I wanted to use clojure for image processing. I have a 3 dimensional
array I'm passing to clojure from java.
I then loop on the array to manipulate it.
Even the simplest task takes about half a minutes (I expected it to be
over in less than a s
Happy it helped.
I should mention that I used Meikel's docs as a guide, but my code
don't actually push or pop all the thread bindings every time I return
a lazy seq or a fn.
It felt a little ugly to me to bind *all* the dynamic vars in the
namespace when I knew there were only two I needed to ca
Three concurrent replies. We'd be better off using locks :-)
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f
On Nov 24, 12:01 pm, kony wrote:
> Hi,
>
> I found that resolve does not work correctly (I guess) when it is
> called from other thread than main:
I guess your new thread also has the root binding for *ns* the current
namespace, which apparently is core
user=> (.start (new Thread #(println *ns*
On Tue, Nov 24, 2009 at 6:01 AM, kony wrote:
> Hi,
>
> I found that resolve does not work correctly (I guess) when it is
> called from other thread than main:
>
> e.g.
>
> let define
>
> (def zz 123)
>
> and afterwords call:
>
> (.start (new Thread #(println (resolve 'zz
>
> for me it does no
On Tue, Nov 24, 2009 at 12:01 PM, kony wrote:
> Hi,
>
> I found that resolve does not work correctly (I guess) when it is
> called from other thread than main:
>
> e.g.
>
> let define
>
> (def zz 123)
>
> and afterwords call:
>
> (.start (new Thread #(println (resolve 'zz
>
> for me it does n
On Tue, Nov 24, 2009 at 1:04 AM, Meikel Brandmeyer wrote:
> Hi,
>
> On Nov 24, 6:06 am, John Harrop wrote:
>
> > Oh, I have no problem with making money by using open source software,
> when
> > it's done in the manner that companies like Red Hat do it. It's the use
> to
> > lock down some piece
The original reason is that I need to be able to transfer certain
certain metadata such as memoization tables between failure results in
m-plus. I'm writing a PEG-type parser that hopefully can support left-
recursion without any conversion to right-recursive rules. I'm using
metadata because I don
Hi,
I found that resolve does not work correctly (I guess) when it is
called from other thread than main:
e.g.
let define
(def zz 123)
and afterwords call:
(.start (new Thread #(println (resolve 'zz
for me it does not work (it returns nil)
Workaround is to write a kind of "super-resolve
Hi,
On Nov 24, 9:44 am, bOR_ wrote:
> Can we get an option 'leiningen' at "how do you get clojure"?
I think this is basically Maven/Ivy, no?
Sincerely
Meikel
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Hi,
On Nov 24, 6:06 am, John Harrop wrote:
> Oh, I have no problem with making money by using open source software, when
> it's done in the manner that companies like Red Hat do it. It's the use to
> lock down some piece of proprietary software even more than it already is
> that seems, at the v
Hi,
On Nov 23, 3:29 pm, Krukow wrote:
> Two comments.
>
> First is a bug.
> Using newest commit of new: 75cd05080f7260c54007d7728fb280ae53b56f63
Same here:
http://groups.google.com/group/clojure-dev/browse_thread/thread/6d5cf269b18c4540
but no feedback so far. :(
Sincerely
Meikel
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On Mon, Nov 23, 2009 at 11:39 PM, Garth Sheldon-Coulson wrote:
> Hi Mark,
>
> In Clojuratica I make what I think is "good, clean, compelling use" of
> dynamic vars. I rewrote the code to use dynamic vars after I found that
> doing it the other way became unwieldy and inelegant.
OK this makes sens
DRW (http://drw.com) uses Clojure for several production applications.
Cheers, Jay
On 23 Nov, 17:00, Raoul Duke wrote:
> hi,
>
> i'd be interested to hear who has successfully used clojure in
> production. i know of some, as some folks have been vocal; any other
> interesting-but-so-far-silent u
On Tue, Nov 24, 2009 at 1:19 AM, Krukow wrote:
>
>
> On Nov 24, 4:55 am, Allen Rohner wrote:
>> The first stumbling point I reached is that deftypes provide an
>> automatic implementation for IPersistentMap, but not IFn. I attempted
>> to write (instance key), which exploded, but (key instance) w
I believe that this is most likely a symptom of the Apple JVM and not
that of transients
as the change from persistents to transients is far more substantial
on one of our linux
servers than it is on my macbook pro (6x vs 2x speedup)
I'm not entirely sure as to why this is the case but I suspect t
I've deployed two small mashup apps which combine OpenCalais and our
content repository to annotate documents with metadata (named
entities, relationships, etc) and expose the results over the web.
Good experiences all around, including with the clojure-http-client
and saxon wrapper libs + Compojur
Can we get an option 'leiningen' at "how do you get clojure"?
On Nov 24, 8:27 am, David Brown wrote:
> On Mon, Nov 23, 2009 at 09:55:46PM +, the.stuart.sie...@gmail.com wrote:
>
> Since the form only lets me answer one answer for each, but reality is
> much more complicated.
>
> >How do you g
On 21 Nov 2009, at 06:31, samppi wrote:
> And no matter what I do, I can't fulfill that second axiom. Has anyone
> created this type of monad before? It seems like it should be a common
> pattern: exactly like (state-t maybe-m), only failures are vector
> pairs too.
One problem I see in your ques
On Mon, Nov 23, 2009 at 11:56 PM, John Harrop wrote:
> I'm starting to think that for some tasks Clojure could use a concept of
> "row locking" with maps. It would mean having a map-of-refs type that was
> integrated with the STM, so multiple updates whose keys didn't collide could
> occur concu
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