Re: Using 'future' ?

On Mon, Oct 19, 2009 at 12:39 AM, Gorsal wrote: > > So now that the future is working, I'm attempting to print from an > actual java thread. Like this > > (defmacro with-thread [nm & body] > `(let [thread# (Thread. #(fn [] (do ~...@body)))] > ~@(if nm `((.setName thread# ~nm))) > (.start

Re: Using 'future' ?

Thanks. I think now that i recall i have made that mistake before. I must differentiate - fn and #()! --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googl

Re: deftest metadata

Phil Hagelberg writes: > Would it be a good idea to change deftest so that it accepts an optional > metadata map just like defn? I can implement it if it's wanted. Here's the ticket and patch: https://www.assembla.com/spaces/clojure/tickets/201-Make-deftest-keep-var-metadata I ran into a very

Re: Using 'future' ?

Just an addendum to my last post - without the .start you can test it better; (defmacro with-thread [nm & body] `(let [thread# (Thread. (fn [] (do ~...@body)))] (if ~nm (.setName thread# ~nm)) ;(.start thread#) thread#)) (def th (with-thread "foo" (println "Hasdfasdfasdfasdfasdfasdf

Re: Printing to *out* in another thread

mbrodersen wrote: >> Using atoms is not a good idea. Unless you don't mind if the same >> message is sometimes printed more than once. Atoms are implemented >> using spin locks with automatic retry. > > Hmmm...unless add-watch => observer is called only once. Looking in clojure/lang/Atom.java:

college courses

Does anyone know of any college courses that are using Clojure? For example, instead of LISP in an AI course? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to cloju

Re: Using 'future' ?

The following seems to do it; (defmacro with-thread [nm & body] `(let [thread# (Thread. (fn [] (do ~...@body)))] (if ~nm (.setName thread# ~nm)) (.start thread#) thread#)) (with-thread "foo" (println "HasdfasdfasdfasdfasdfasdfasdfasdfI")) # user=> HasdfasdfasdfasdfasdfasdfasdfasdfI

Re: Using 'future' ?

On Oct 19, 3:39 pm, Gorsal wrote: > Except no output! Eeek!!! What am i doing wrong? Looks like #(fn ... is meant to be #(do ~...@body) #(fn declares a function which creates a function, so your thread is returning a function instead of executing it. user=> (macroexpand-1 '(with-thread nil (pr

Re: Using 'future' ?

On Sun, Oct 18, 2009 at 10:22 PM, Gorsal wrote: > > Hey, is there any way to separate the out view from the repl view so i > don't have to switch back and forth? > In Enclojure? Unfortunately, apparently not. It's possible to undock the REPL and make it a free-floating window, but all three of th

Re: Printing to *out* in another thread

> Using atoms is not a good idea. Unless you don't mind if the same > message is sometimes printed more than once. Atoms are implemented > using spin locks with automatic retry. Hmmm...unless add-watch => observer is called only once. So I might be wrong :-) Interesting. Anybody knows more abou

Re: Printing to *out* in another thread

Using atoms is not a good idea. Unless you don't mind if the same message is sometimes printed more than once. Atoms are implemented using spin locks with automatic retry. Cheers Morten --~--~-~--~~~---~--~~ You received this message because you are subscribed to

Re: Dedicated thread for agent or creating thread pool for agent?

> SWT's equivalent to Swing's SwingUtilities.invokeLater is > Display.asyncExec; the equivalent of SwingUtilities.invokeAndWait is > Display.syncExec (all four take a Runnable as an argument). Thanks pmf! That at least solves the immediate problem. --~--~-~--~~~---~--

Re: Using 'future' ?

So now that the future is working, I'm attempting to print from an actual java thread. Like this (defmacro with-thread [nm & body] `(let [thread# (Thread. #(fn [] (do ~...@body)))] ~@(if nm `((.setName thread# ~nm))) (.start thread#) thread#)) (with-thread nil (println "Hasdfasd

Re: Clojure Cheat Sheet

lo, never looked at the bottom. I shall do that next time! Thanks! --~--~-~--~~~---~--~~ 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

Re: Clojure Cheat Sheet

The bottom of that page says: Original source (pdf, tex). So it is probably TeX. On Oct 19, 8:06 am, Gorsal wrote: > All right, so this is probably way off topic, but what software was > used to create the clojure cheat sheet?http://clojure.org/cheatsheet > I really like the format and would li

Re: deftest metadata

+1, we'd use this immediately. > On Oct 19, 9:32 am, Phil Hagelberg wrote: >> It's a fairly common idiom in other languages to have your test suite >> broken up into unit tests and higher-level integration tests. >> >> I've implemented this for one of my projects using metadata on each >> test

Re: Using synchronized keyword

Gorsal wrote: > I was wondering how to used the java keyword synchronized in clojure? http://clojure.org/api#locking Java: synchronized(foo) { ... } Clojure: (locking foo ...) --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Googl

Using synchronized keyword

I was wondering how to used the java keyword synchronized in clojure? --~--~-~--~~~---~--~~ 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

Re: Using 'future' ?

Hey, is there any way to separate the out view from the repl view so i don't have to switch back and forth? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@

Re: Best way to run multiple filters on the same [lazy] collection?

Dmitry Kakurin wrote: > I actually like your "tag them then group them" approach. > But what if the same record can have multiple tags? > E.g. :sales and :upgrades? > Hmmm. the first way that occurred to me is just make your tagging function return a set: (defn record-types [x] (disj #{(w

Re: Using 'future' ?

Thanks, this works. --~--~-~--~~~---~--~~ 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

Re: Using 'future' ?

> Most likely, though, it's an unfortunate effect of how futures print > themselves: > > user=> (future (* 3 4)) > # I agree - this is the cause, if you really wanted to do this at the REPL maybe you can get around it like this: user=> (do (future (* 3 4)) nil) nil --~--~-~--~~---

Re: deftest metadata

Seems like a good idea to be able to set metadata on test vars. I work on the project Phil mentions above, and it does come in handy for categorizing tests. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Clojure"

Re: deftest metadata

On Oct 19, 9:32 am, Phil Hagelberg wrote: > It's a fairly common idiom in other languages to have your test suite > broken up into unit tests and higher-level integration tests. > > I've implemented this for one of my projects using metadata on each test > var. Unfortunately the current impleme

Re: Best way to run multiple filters on the same [lazy] collection?

On Oct 19, 4:54 am, Alex Osborne wrote: > (reduce-by record-type >             (fn [count data] (+ count (units data))) >             0 (get-idata)) Wow - that is a really nice abstraction! Kind of leads to SQLalike queries: (defn select-count [grouper coll] (reduce-by grouper (fn [x _]

Re: La Clojure plugin for IntelliJ IDEA moved to Git

Once I build the plugin with the latest clojure, can I use it to write code targeting 1.0? On Oct 17, 11:21 am, Ilya Sergey wrote: > Hi all. > > After the long silence we resume work on `La Clojure' plugin for IntelliJ > IDEA. It is still open-source and available now for IntelliJ IDEA 9 > Com

Re: ANN: Clojure live-repl

> and I can attach, but if the process I attach to exits, I get a > never-ending stream of \xef \xbf \xbf characters: > > 75 73 65 72 3d 3e 20 ef bf bf ef bf bf ef bf bf |user=> > .| > 0010 ef bf bf ef bf bf ef bf bf ef bf bf ef bf bf ef > || > 0020

Re: Using 'future' ?

On Sun, Oct 18, 2009 at 5:59 PM, Gorsal wrote: > > I'm attempting to use the function future to start something in > another thread. However, in the netbeans enclojure plugin, when i type > it into the repl, it becomes non-responsive. Is this just a bug in the > enclojure plugin or would this be

Re: La Clojure plugin for IntelliJ IDEA moved to Git

One thing I'd really like to see for the plugin is to support a way to "expand" macros. Sometimes it's hard to understand the macros. It would be great if from the IDE, you can "expand" the macro to the normal form. I don't think I've ever see this in any lisp IDE before. On Sun, Oct 18, 2009 at

Clojure Cheat Sheet

All right, so this is probably way off topic, but what software was used to create the clojure cheat sheet? http://clojure.org/cheatsheet I really like the format and would like to make one for my own utilities so that I can actually remember what general utility functions i have written! --~--~--

Re: La Clojure plugin for IntelliJ IDEA moved to Git

Where should we raise tickets/issues for the plugin? One thing I'm really still missing with it is auto completion of aliased namespaces: (ns foo (:require foo.bar.test :as test)) (defn hello [] (test/do-something)) Having the completion of a) the test alias, and b) the contents of test ins

A-Star Search Implementation

Hi, To teach myself Clojure and A-Star search, I mocked up a quick demo program. I don't know if anyone else would be interested in seeing it, but it demos a few things, including calling Clojure from Java, building / running from a Maven environment, and of course A-Star. I'd appreciate any cri

Re: What do you use for asdf-like functionality?

Now that I think about it im guessing ant is used. Though if i don't want to compile the clojure files, i guess i might be able to use lancelet to simply define a series of loading? Perhaps... --~--~-~--~~~---~--~~ You received this message because you are subscribe

Re: What do you use for asdf-like functionality?

> What i need is to load the package.clj file and for that to then load > all the other files in order based on dependency. See clojure.contrib.immigrate. It doesn't do dependency tracking, but it doesn't need to: each sub-package should require or use those it needs. --~--~-~--~

deftest metadata

It's a fairly common idiom in other languages to have your test suite broken up into unit tests and higher-level integration tests. I've implemented this for one of my projects using metadata on each test var. Unfortunately the current implementation of deftest does not provide a way to set meta

Using 'future' ?

I'm attempting to use the function future to start something in another thread. However, in the netbeans enclojure plugin, when i type it into the repl, it becomes non-responsive. Is this just a bug in the enclojure plugin or would this be normal? (future (let [input-stream (:input-stream *li

Re: La Clojure plugin for IntelliJ IDEA moved to Git

Hi all. The repository git://git.jetbrains.org/idea/clojure-plugin.git must work now. Sorry for the inconvenience. Cheers! Ilya 2009/10/18 Kurman Karabukaev > > Hi Ilya, it is asking for password for > git.labs.intellij.net:idea/clojure-plugin URL. > > Kurman > > On Sat, Oct 17, 2009 at 12:19

Re: Contrib (1.0 compatible) succeeds (but fails :-)

2009/10/18 Joubert Nel : > > Hi, > > When I try to build the 1.0 compatible branch of clojure.contrib using > Clojure 1.0 I get the following two FileNotFoundExceptions: > > 1) [java] java.io.FileNotFoundException: Could not locate clojure/ > stacktrace__init.class or clojure/stacktrace.clj on cla

What do you use for asdf-like functionality?

Coming from lisp, i am used to an asdf like functionality. Recently I have been reorganizing my code and placing all my general utilities under one package, utils. Under it i have a file for each time of utility, string, macro, etc. Then i have a package.clj file. Basically, I want the user to be

Re: ANN: Clojure live-repl

That's very slick. I'm going to use this:) --~--~-~--~~~---~--~~ 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 -

Re: ANN: Clojure live-repl

2009/10/18 David Powell : > I just posted a project at . > > It uses the Java Attach API to let you connect a Clojure REPL to any running > Java or Clojure process, without them requiring any special startup. That's very cool :) > It probably requires a Sun 1

Re: Printing to *out* in another thread

Dang, you're ri ght, I didn't even notice. This is a nice feature, separating everything. Thanks! --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegrou

Contrib (1.0 compatible) succeeds (but fails :-)

Hi, When I try to build the 1.0 compatible branch of clojure.contrib using Clojure 1.0 I get the following two FileNotFoundExceptions: 1) [java] java.io.FileNotFoundException: Could not locate clojure/ stacktrace__init.class or clojure/stacktrace.clj on classpath: (jmx.clj:10) 2) [java] java.io.

Re: -> vs comp

The F# language does partial application through calling the function: if you don't supply enough arguments, they're partially applied. The |> syntax is for "backwards" (object-y) partial application: let f x y = ... let g = f 1 let h = 1 |> f The |> operator is built-in in F#, but in OCaml

Re: -> vs comp

I've been using & and p, respectively. On Oct 18, 2:21 pm, B Smith-Mannschott wrote: > On Sun, Oct 18, 2009 at 20:04, Stuart Halloway > > wrote: > > > I find the suite of ->, ->>, anonymous functions, partial, and comp > > sufficient for my needs, with each having its place. > > > My only grumb

Re: Discuss: Add a :let "special expression" to cond

Seem to be hitting a problem. (defmacro cond "Takes a set of test/expr pairs. It evaluates each test one at a time. If a test returns logical true, cond evaluates and returns the value of the corresponding expr and doesn't evaluate any of the other tests or exprs. As a special case, a te

Re: ANN: Clojure live-repl

David Powell wrote: > It uses the Java Attach API to let you connect a Clojure REPL to any running > Java or Clojure process, without them requiring any special startup. Exceedingly cool! > It probably requires a Sun 1.6 JDK. And currently the startup script is a > batch file, so if anyone ca

Re: -> vs comp

On Sun, Oct 18, 2009 at 20:04, Stuart Halloway wrote: > > I find the suite of ->, ->>, anonymous functions, partial, and comp > sufficient for my needs, with each having its place. > > My only grumble is that "partial" is a lot of characters. I would love > a one-character alternative, if it coul

Re: -> vs comp

I find the suite of ->, ->>, anonymous functions, partial, and comp sufficient for my needs, with each having its place. My only grumble is that "partial" is a lot of characters. I would love a one-character alternative, if it could be reasonably intuitive. Stu > On Oct 16, 10:22 pm, Sean D

Re: Best way to run multiple filters on the same [lazy] collection?

Alex Osborne wrote: > If the three output lists themselves are too large, I'd just explicitly > sum your units with reduce: > > (reduce > (fn [counts data] > (let [type (record-type data)] > (assoc counts type (+ (units data) > (get counts type 0) >

ANN: Clojure live-repl

Hi, I just posted a project at . It uses the Java Attach API to let you connect a Clojure REPL to any running Java or Clojure process, without them requiring any special startup. It probably requires a Sun 1.6 JDK. And currently the startup script is a ba

Re: Best way to run multiple filters on the same [lazy] collection?

Meikel Brandmeyer wrote: > Maybe you can do: > > (reduce (fn [[sales upgrades demo :as v] data] >(cond > (is-sales? data) [(conj sales data) upgrades demo] > (is-upgrade? data) [sales (conj upgrades data) demo] > (is-demo? data)[sales upgra

Re: Dedicated thread for agent or creating thread pool for agent?

On Oct 18, 6:27 am, mbrodersen wrote: > I don't know SWT well enough to answer that. I am new to the JVM > platform (after 20+ years of writing native C++ code). > > However, the question is not SWT specific. There will be other cases > (for example OpenGL) where something like InvokeLater doesn'

Re: difference between into & concat

DemAS wrote: > I'm just wondering if there is any difference between 'into' and > 'concat' ? There are actually more differences than similarities in my opinion. For starters, 'concat' can take more than 2 arguments: (concat [1 2] [3 4] [5 6]) => (1 2 3 4 5 6) 'into' returns whatever col

difference between into & concat

Hi all, I'm just wondering if there is any difference between 'into' and 'concat' ? (def x (range 1 100 5)) (def y (range 1 100 10)) (concat x y) (into x y) I have found only one difference - the 'concat'-functon sorts resulted list. --~--~-~--~~~---~--~~ You rec

Re: Best way to run multiple filters on the same [lazy] collection?

Hi, Am 18.10.2009 um 09:48 schrieb Dmitry Kakurin: > Here is what I have right now: > (let [idata ... something ... >sales > (filter >#($ (% "Product Type Identifier") = "1" && > % "Vendor Identifier" = "01010012" >) >idata >

Re: Bug: -main function corrupts applet

On Oct 18, 5:47 am, Andreas Wenger wrote: > *push* > Can please anybody verify this bug? Should take only 3 minutes or so. A NullPointerException in sun.plugin2.applet.Plugin2Manager.findAppletJDKLevel isn't enough to go on. This could be anyone's bug, just because you can change something in

Best way to run multiple filters on the same [lazy] collection?

I need to run 3 separate filters on the same collection. Can I do this in a single pass thru collection (as opposed to 3 separate passes)? Basically I don't want to bind the head of 'idata' collection because it holds the whole thing in memory. Also collection itself is coming from a file. Here i

Re: JVM Language Summit talk on state, identity, time

Nice, thanks. On Sat, Oct 17, 2009 at 2:24 AM, Timothy Pratley wrote: > > The slides match this: > http://www.infoq.com/presentations/Value-Identity-State-Rich-Hickey > [good recording - one of the best I've come across, gives a very > persuasive reasoning of why Clojure 'has it right'] > > > On

Re: Bug: -main function corrupts applet

*push* Can please anybody verify this bug? Should take only 3 minutes or so. --~--~-~--~~~---~--~~ 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 post

Re: Printing to *out* in another thread

On Sun, Oct 18, 2009 at 2:04 AM, Gorsal wrote: > > I just tried this on the eclipse clojure repl, it works. So i guess it > is an enclojure thing! (.println System/out "HI") also doesn't work on > the netbeans repl, but does on the enclojure. I'll ask on the > enclojure mailing group. Thanks for t

Re: Printing to *out* in another thread

On Sat, 17 Oct 2009, mbrodersen writes: > If you want to print to stdout from multiple threads without getting > the printing garbeled you can do something like the following (it also > logs all printed values): > > (def wa-debug-agent) > > (defn wa-debug-make [] > (def wa-debug-agent (agen