On Mar 19, 6:53 pm, Andrzej wrote:
> I've been toying with various implementations of reduce-like
> functions, trying to do something "smarter" than a simple iteration
> over a collection of data. This hasn't worked out very well, my
> implementation is a lot (~50x) slower than a simple loop. Co
alux writes:
> Okay. So I switched to version 23.1. that had already been installed.
> AFAIK it uses all the things I installed the last days. Or do I have
> to update some other stuff?
I tried to put together all steps needed to install SLIME
for Clojure using ELPA:
http://wiki.github.com/robwo
On Sun, Mar 21, 2010 at 6:37 PM, Jarkko Oranen wrote:
>
> Rich has done some work on using the JDK7 ForkJoin Library to
> parallelise map and reduce over vectors, since they are already
> internally structured as trees. It hasn't been touched in a while, but
> as far as I know the code lives in th
On Mar 19, 8:19 pm, Jeff Foster wrote:
> Could you post the source code?
This is the Clojure code
(ns ubolonton.MyRobot
(:gen-class :extends robocode.Robot))
(defn -run
[robot]
(doto robot
(.ahead 100)
(.turnGunRight 360)
(.back 100))
(.turnGunRight 360)
(recur robot))
(d
On Mar 20, 9:46 pm, "Heinz N. Gies" wrote:
> Hi,
> I hope that in a week or two I am able to release a 'mini game' as a tech
> demo for something some friends and me are working on, if you're interested
> in Robocode you might like it. It will be a tournament game where two fleets
> fight eac
The plugin is in central, tho you need to declare it in your project as
outlined in the README:
com.theoryinpractise
clojure-maven-plugin
1.3.2
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On Sun, Mar 21, 2010 at 4:55 AM, alux wrote:
> Well, so I hope there is THE plugin, and not some plugin
On 2010 Mar 20, at 10:40 AM, Steve Purcell wrote:
Which looks the same as clojure.contrib.seq/reductions to me...
On 20 Mar 2010, at 13:54, Per Vognsen wrote:
Learn to love scan: http://gist.github.com/338682
Thanks Per and Steve! I knew there was catch that I wasn't seeing.
I did see red
(I'd say something about my own particular idiom, but that's more of a
Python thing.)
Anyway, new to Clojure but not to Lisp or Java. Writing something to
interoperate with some Perl code that stores a hash in a simple flat
file syntax:
key1value1key2value2...
sorted on the keys.
These are my
Hi everyone,
I just chanced upon Petri nets and struggling to understand the
theory. However, a knowledge of it seems to help design concurrent
systems and provide a theoretical basis for the points raised by Rich
in the explanation of how time is derived from local causality.
I think it's som
I wrote this program to help me explore and understand JMS-Queue
(javax.jms.Queue). I was working with OpenJMS which comes bundled with
the GlassFish application server (running on Windows). In addition to
installing JDK-EE 1.5+GlassFish, you will need to include the
following jars in your Clojure
Thank you Mark,
now I get two new problems.
(I'm still in the testproject, not in incanter.)
clojure:repl
The REPL starts. Now when I type something in, it is not echoed until
I hit enter. So I have to use the REPL blind. Difficult.
clojure:swank
This has already been described as a windows prob
Check out clojure.contrib.io (Clojure 1.2) or clojure.contrib.duck-
streams (Clojure 1.1):
(use 'clojure.contrib.io)
(defn save-map [f m]
(write-lines f (for [[k v] m] (str k \tab v
Or, using your code...
(defn save-map [f m]
(spit f (apply str (interleave (apply concat m) (cycle "\t\n")
Thank you Rob, emacs and slime already works if kept for semselves.
What doesnt work is the maven integration, so I can start the swank
server in a certain project.
Regards, alux
Rob Wolfe schrieb:
> alux writes:
>
> > Okay. So I switched to version 23.1. that had already been installed.
> > AFA
An atom seems appropriate after reading up on it, but documentation
seems a little scarce. Reading about atoms on the clojure site gives
a very small example using just a {}. I've tried piecing it together
using a struct but am getting
Exception in thread "main" java.lang.IllegalArgumentExceptio
On Mar 20, 7:56 am, alux wrote:
> mvn clojure:repl
>
> But that doesnt work.
>
> [ERROR] BUILD ERROR
> [INFO]
>
> [INFO] The plugin 'org.apache.maven.plugins:maven-clojure-plugin' does
> not exist
Those instructions appear t
I have evaluated clojure for the last couple of days, and it is both my own
professional decision and my recommendation to the professional organizations
that I belong to and report to that clojure is not ready for prime time.
Before any of you think that I am a disgruntled newbie turned troll, kn
> 1)As soon as I see the copy of this email in my "clojure mailbox", I will
> unsubscribe from this mailing list, delete the clojure mailbox and I will not
> be following up in any way.
Really? This is not c.l.l and it's not likely that this thread would
have devolved into flaming or worse. It's
Hello Stuart,
yes, thats not in. I'm not enough into maven to know where the plugins
have to be specified. I had the hope that maven searches its
repository, when I call a specific goal of the form xxx:yyy - so this
hope was in vain?
Thank you for the comment.
Regards, alux
Stuart Sierra schri
Consider the following deftype:
(deftype Piece [#^int number #^char letter])
(def piece (Piece 1 \A))
Now, when I evaluate piece at the REPL, I want it to print:
1A
rather than
#:Piece{:number 1, :letter \A}
similarly, I would like (str piece) to yield "1A".
A while back, I was told on this lis
Consider the following deftype:
(deftype Piece [#^int number #^char letter])
(def piece (Piece 1 \A))
Now, when I evaluate piece at the REPL, I want it to print:
1A
rather than
#:Piece{:number 1, :letter \A}
similarly, I would like (str piece) to yield "1A".
A while back, I was told on this lis
On 21 March 2010 20:10, Mark Engelberg wrote:
> I have tried things like:
> (defmethod clojure.core/print-method ::Piece [piece writer] (do (pr (:number
> piece) writer) (pr (:letter piece) writer)))
> but it doesn't work.
You need to replace pr with print-method inside the do. pr doesn't
accept
On 20 March 2010 17:17, David Nolen wrote:
> You can do what you want with the following:
>
> (doseq [[x y] (for [y (range 4) x (range 4)] [x y])]
> (println x y))
Or just
(doseq [y (range 4)
x (range 4)]
(println x y))
doseq really has exactly the same syntax as for (including supp
> (defmethod clojure.core/print-method ::Piece [piece writer] ???what goes
> here???)
(defmethod clojure.core/print-method ::Piece
[piece writer]
(.write writer (str (:number piece) (:letter piece)) 0 2))
Extending Piece to provide a str method can replace that ugly bit in
the middle.
-m
--
Speaking of overriding methods, what am I doing wrong here:
(deftype Piece [#^int number #^char letter]
Comparable
(compareTo [x y]
(let [c1 (compare (:number x) (:number y))]
(if (zero? c1) (compare (:letter x) (:letter y)) c1
What other interesting things can be overridden for
On 21 March 2010 20:34, Fogus wrote:
> Extending Piece to provide a str method can replace that ugly bit in
> the middle.
But how would one go about that? str calls .toString on its arguments,
which is in turn a method of Object, thus not present in any
interface, whereas deftype / extend only al
On 21 March 2010 20:40, Mark Engelberg wrote:
> Speaking of overriding methods, what am I doing wrong here:
> (deftype Piece [#^int number #^char letter]
> Comparable
> (compareTo [x y]
> (let [c1 (compare (:number x) (:number y))]
> (if (zero? c1) (compare (:letter x) (:letter y)) c
On Sat, Mar 20, 2010 at 2:46 PM, alux wrote:
> Sorry to have so many questions.
>
> I lookes at swank at github, it says it supports Emacs 23 and up; and
> I should use ELPA to install it.
>
> The ELPA install page, explains how to install stuff for Emacs 21 and
> 22.
>
> As far as I understand,
I'm kind of surprised that *print-dup* behavior isn't automatically enabled
for deftypes. Is there a standard way to add this in for a specific
deftype?
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On 20 March 2010 18:29, Andrzej wrote:
> Thanks, that's what I was going to do next. You're certainly right
> about using fewer, more coarse-grained partitions. BTW, you can check
> the number of available processors using (.. Runtime getRuntime
> availableProcessors) (that's how pmap is doing it)
On Sun, Mar 21, 2010 at 1:47 PM, Fogus wrote:
> > 1)As soon as I see the copy of this email in my "clojure mailbox", I will
> > unsubscribe from this mailing list, delete the clojure mailbox and I will
> not
> > be following up in any way.
>
> Really? This is not c.l.l and it's not likely that t
Reading his post I got the impression he was a bit of an egocentric (a
bit more information about himself than was relevant), those sorts
tend to overreact.
However I can imagine the whole just bung the jar file on your
classpath thing wouldn't make much sense for a java newbie. It may
highlight
On 21 March 2010 13:29, Andrzej wrote:
> Yesterday I looked at the implementation of the PersistentVector
> class, trying to figure out how to exploit its internal structure to
> decompose the vector. I hit several issues though:
One thing that comes to my mind after reading through your list is
Yeah,
too bad he removed his entry, 'cause as you said, installing clojure
isn't harder than installing anything java based. I don't know of a
sysadmin nowadays which had not to deal with java stuff in a way or
another ? And ant is around the place *for years*. So more input from
him may have help
On 21 March 2010 21:02, Mark Engelberg wrote:
> I'm kind of surprised that *print-dup* behavior isn't automatically enabled
> for deftypes. Is there a standard way to add this in for a specific
> deftype?
print-dup is just another multimethod, so an implementation of that
can be defined. Obvious
But if he had never been in the Java mindset it wouldn't be obvious to
him that
there is nothing to be gained by compiling your own java code.
Platform independence,
bytecode etc means that a jar file of the stable build is the optimum
solution. That is so
obvious to us we forget that its a revolut
What a strange reason to dismiss Clojure. And also strange to refuse
any further input.
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I agree that the Clojure first-run experience is too rough. Both
Scala and JRuby, for example, are complete packages that you can
download, unzip, install, and run -- on any platform -- without
knowing anything about Java.
Clojure needs to provide the same experience, even if it only matters
for
[Context recovered from top-posting.]
On Sun, 21 Mar 2010 10:31:58 -0700
Josh Stratton wrote:
> On Sat, Mar 20, 2010 at 8:51 AM, Mike Meyer
> wrote:
> > On Sat, 20 Mar 2010 08:11:49 -0700 (PDT)
> > strattonbrazil wrote:
> >
> >> I'd like to separate my ui Swing/JOGL from the content, so my code
I have some sympathy with some of what Tim wrote, although I think that I'll be
working in and enjoying Clojure for some time to come (really -- I'm finding it
to be fantastic in many ways -- including the community). I'm not sure I agree
with or even understand all of Tim's complaints, but as
Hi,
On Sun, Mar 21, 2010 at 08:43:10PM +0100, Michał Marczyk wrote:
> But how would one go about that? str calls .toString on its arguments,
> which is in turn a method of Object, thus not present in any
> interface, whereas deftype / extend only allow one to implement
> interface or protocol met
Maven has a default search path, but it only works for the standard
plugins distributed by Apache.
To use the Clojure plugin (any of the clojure:* commands) the pom.xml
must contain a section like this:
...
...
com.theoryinpractise
clojure-maven-plugin
clojure.walk is a terrible hack that I wrote and abandoned 2 years
ago. It never should have made it into the Clojure distribution, for
which I apologize. I will campaign for its deletion just as soon as I
find a suitable replacement.
-SS
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It certainly does seem strange coming from the Java world, where ear
files and deployment descriptors can be intimidating. The idea that
adding a couple jar files and the source tree to
the classpath is 'too hard' makes me wonder what language he was
coming from.
I was asked to give a simple 'hand
Here's an example I wrote about separating GUI from content using
Agents:
http://stuartsierra.com/2010/01/08/agents-of-swing
-SS
On Mar 20, 11:11 am, strattonbrazil wrote:
> I'd like to separate my ui Swing/JOGL from the content, so my code is
> relatively unaware of the UI around it. For examp
On Sun, Mar 21, 2010 at 5:05 PM, Stuart Sierra
wrote:
> I agree that the Clojure first-run experience is too rough. Both
> Scala and JRuby, for example, are complete packages that you can
> download, unzip, install, and run -- on any platform -- without
> knowing anything about Java.
>
> Clojure
Thanks for the pointer to MCLIDE! That looks really nice! Any idea if a
64bit build is in the works? For some reason I feel dirty about having to
install Rosetta :)
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Pull me down under...
On Mon, Mar 22, 2010 at 11:08 AM, Lee Spector wrote:
> I'm sure that this can and will be overcome, in
there's a positive reason to say all that stuff as if to say, " and it's not
that I'm a slouch. I have been able to succeed with other technology."
I've personally had tons of trouble getting going with clojure, and I use
java all the time. I think the ideas in clojure are awesome, and I like th
Hello Ryan,
as far as I understand, Petri nets are as powerful as any concurrent
mechanism. That means you can do all the good things Clojure does, and
all the bad things (the other languages do :) too in Petri nets.
So, can you detail your question a bit more?
(I'd be happy about a Petri net to
On Sun, 21 Mar 2010 10:42:12 -0800
Tim Johnson wrote:
> Here's how I installed the flash player on my system.
> 1)Downloaded install_flash_player_10_linux.tar.gz
> 2)Unzipped libflashplayer.so
> 3)Copied to /usr/lib/firefox-3.5.2/plugins/
Here's how I installed the Clojure REPL on my system.
1)
This is more of a maven question probably, but I have an app that
needs versions of the jars built with jdk 1.5 and I'm using the
http://build.clojure.org/snapshots repo where they appear to be built
with 1.6. Are there versions (or plans to support 1.5 versions) in a
maven repo somewhere?
Thanks
> I would appreciate any feedback.
According to the readme it requires bash or zsh. Any plans to support
windows (without cygwin or other unix emulation)?
I agree with Stuart that the user experience should be friendly on all
supported platforms.
Mike
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No, but you can change the configs and recompile.
Clojure itself uses Ant, so "ant" on a machine with only Java 1.5
should do the trick. To install that custom JAR in your local Maven
repository, download the "Maven Ant Tasks" JAR and run:
ant -lib /path/to/maven-ant-tasks.jar ci-build
Contrib u
I figured as much. The issue for me is the Netbeans plugin must have
1.5 java and I was hoping to get these from a repo. I suppose I can
build the 1.5 versions and publish them (somewhere). I'll look into
this.
Thanks,
Eric
On Mar 21, 8:50 pm, Stuart Sierra wrote:
> No, but you can change th
On 22/03/2010, at 9:28 AM, e wrote:
> And don't get me started on trying to get emacs or vi all hooked up on my
> mac. I've never succeeded.
I'm about to use Clojure commercially, but it's been a frustrating exercise
getting setup. I've ended up using LaClojure on IntelliJ, but that wasn't
t
To be successful however Clojure needs to adopt 'mainstream' values
- introduce just one 'different' thing i.e. the language, rather
than expecting people to adopt both the language, and a different
development environment / toolchain e.g. leiningen etc (which IMO is
classic NIH).
I think
On Sun, Mar 21, 2010 at 9:12 PM, Antony Blakey wrote:
>
> On 22/03/2010, at 9:28 AM, e wrote:
>
> > And don't get me started on trying to get emacs or vi all hooked up on my
> mac. I've never succeeded.
>
> I'm about to use Clojure commercially, but it's been a frustrating exercise
> getting setu
On a set s, you can just do (first s) to get an arbitrary element of s.
Any way to get an arbitrary item for a transient set?
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On Mar 21, 2010, at 3:56 PM, Mark Derricutt wrote:
Thanks for the pointer to MCLIDE! That looks really nice! Any
idea if a 64bit build is in the works? For some reason I feel
dirty about having to install Rosetta :)
MCLIDE 2.0 will have that cutting edge you're craving for and
definitel
On Sun, Mar 21, 2010 at 1:04 PM, Matt wrote:
> Throwing in my 2 cents:
>
> (def chunk-size 2000)
>
> (defn sum-tree-part [nums start length]
> (reduce
> #(+ %1 (nth nums (+ start %2)))
> 0
> (range length)))
>
> (defn sum-partition[nums]
> (reduce +
> (pmap #(sum-tree-part nums % chu
On Sun, Mar 21, 2010 at 6:55 PM, Mike K wrote:
> > I would appreciate any feedback.
>
> According to the readme it requires bash or zsh. Any plans to support
> windows (without cygwin or other unix emulation)?
>
> I agree with Stuart that the user experience should be friendly on all
> supported
I hate to feed trolls, but this is a solid example of passive-
aggresive behavior. Also, ignoring plausible sounding, spell-checked
diatribes is bad.
The installation of one or two jar files from a Maven repository is
par for the JVM course. Deployment? Works on any reasonable JVM out
there. Could
On Mon, Mar 22, 2010 at 4:36 AM, alux wrote:
>
> as far as I understand, Petri nets are as powerful as any concurrent
> mechanism. That means you can do all the good things Clojure does, and
> all the bad things (the other languages do :) too in Petri nets.
I wonder if Petri nets can be applied f
He's illiterate about Java, he's older than me and has less experience
so finding how to run a jar file is probably
as remote as traveling to Alpha Centauri :))) (Don't we have something
like Google to find these answers ?)
Most of his recent experience seems to be in Visual Basic and mainstream
On Sun, Mar 21, 2010 at 10:20 PM, Luc Préfontaine <
lprefonta...@softaddicts.ca> wrote:
>
> Yes we could have a complete package to run Clojure from the shell command
> line but how far could someone go with this
> to build a workable system without an IDE ?
>
[...]
> Comments anyone ?
>
>
I ca
On 21 March 2010 23:19, Meikel Brandmeyer wrote:
> The docstring of deftype says protocol, interface or Object.
So it does. (My, do I feel silly now.) Thanks!
Sincerely,
Michał
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I am a physicist by training and practice, this means that I am an
expert on Fortran 95. To say my exposure to Java is minimal would be
generous. And until last year when I heard about Clojure from a
friend, I thought LISP was a speech impediment.
Setting up Clojure was a MAJOR problem for me, w
An IDE becomes a necessity as the complexity of your software is
increasing.
Now what's a complex piece of software ?
Presently we have 12 components in production some being several
thousand lines covering three languages (Java, Ruby and Clojure).
4 others components are in progress. Add to this
The print-method for IDerefs by default dereferences anything to be
printed. Right now it has a special type check for futures but not for
promises. It makes promises nearly impossible to debug or to use from
the REPL. The current implementation of promises uses reify rather
than deftype, so there
Hi,
On Mar 22, 7:13 am, Per Vognsen wrote:
> As a solution, I factored the reify out into a deftype:
>
> http://gist.github.com/339834
A short note: you don't have to use :keyword notation in the methods.
The attributes of the type are available under their names. See here:
http://paste.pocoo.o
Hello all,
On Sun, Mar 21, 2010 at 8:42 PM, Tim Johnson wrote:
> I have evaluated clojure for the last couple of days, and it is both my own
> professional decision and my recommendation to the professional organizations
> that I belong to and report to that clojure is not ready for prime time.
>
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