I made on here, but removed it later, not sure if it's any good:
https://github.com/pepijndevos/Begame/blob/d1bf8d687cda0a318cbce5f5ddac57b103c43d98/src/ant_mine/quadtree.clj
On Apr 19, 8:09 pm, Timothy Pratley timothyprat...@gmail.com wrote:
How would I represent a quad tree (or any spatial
Hello Konrad,
Git workflow is a little bit different. You don't really need commit rights
to contribute. I found a rather nice explanation of Git workflow here:
http://www.eqqon.com/index.php/Collaborative_Github_Workflow
Hope it helps.
Cheers,
Ivan.
On 19 April 2011 16:40, Konrad Hinsen
Hi, Alan
Thanx for your answer.
I run Java and Clojure code in web IDE (two different online services)
on the same input data sets. Java 0,07sec, Clojure 0,87 per execution.
I know that is not correct method for performance measure and may be
Clojure execution time include compile time.
Do you
There are several new top-level projects at https://github.com/clojure to cover
the various contrib libraries people have asked for.
Mapping to old contrib names is shown at
http://dev.clojure.org/display/design/Contrib+Library+Names.
Stu
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Yeah, I'd be up for meeting sometime. However, right now I don't have
a car available during the day. I work from home and my wife works
outside the house, so we have been able to run on one car. It saves
money, but makes lunch meetings difficult. If you don't mind driving
up my way, Lone Star
thanks all, now it's clear to me.
On Apr 19, 10:39 pm, Mark Nutter manutte...@gmail.com wrote:
Hmm, in your example you say you're code looks like
(println hello)
but in your description you say
((println hello))
Don't know if that's a just a typo or not, but if you actually did
type in
The task seems to be a Google Code Jam problem (which must satisfy
strict time requirements). I think Michael feels concerned that
Clojure programs in general would run ten times slower than equivalent
Java programs.
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Wracking my brain this afternoon trying to figure this one out. I'm
fairly new to Clojure and Lisp in general. I have a data structure
that is a vector of maps and I want to get all the values for a
particular key out of all of the maps into another vector.
For example, let's say this is the
On Wed, Apr 20, 2011 at 4:24 AM, Dave kincaid.d...@gmail.com wrote:
The only way I could think of to do it is
(for [i (range (count(myvec)))] ((nth myvec i) key1))
Is there an easier way? It seems like there must be.
There is! (in fact there could be many ways)
(vec (map #(% key1) myvec))
I'll bring over c.c.strint.
- Chas
On Apr 20, 2011, at 7:58 AM, Stuart Halloway wrote:
There are several new top-level projects at https://github.com/clojure to
cover the various contrib libraries people have asked for.
Mapping to old contrib names is shown at
We're using Clojure for our graph and search services at http://geni.com
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If your keys were keywords, e.g. :key1, you could simply map them as
they are also functions:
(map :key1 ({:key1 value1} ...)
U
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Note that
Hi, Peter
Yes, you are right. This is a synthetic test task from service like
Google Code Jam which must satisfy strict time requrements. And i am
trying to learn Clojure by this way.
I see Clojure vs Java performance tests. Clojure is fast and have many
features that simplify developing
On Wed, Apr 20, 2011 at 11:21 AM, Michael Golovanov
mike.golova...@gmail.com wrote:
My question is how to find performance bottlenecks in Clojure
applications.
Second question is about my code. Where are the problem?
May be this is
1. Incorrect execution time measuring procedure
2. Bad
Hello,
Try with this, which is closer to the java version:
; in a file scan/core.clj
(ns scan.core
(:import java.util.Scanner)
(:gen-class))
(defn -main []
(let [sc (Scanner. System/in)]
(loop [num (int (.nextInt sc))]
(when-not (= 42 num)
(println num)
(recur
You might be interested in micro-code-revue (not arguing about the
design, but simpler details) as well:
(apply f [x]) can be replaced by (f x)
(not= x nil) can be (almost) replaced by x if you know x cannot be the
value 'false' (sufficient in your case)
(. scanner nextInt) is a somewhat
Citigroup is using Clojure. In serious projects, not as perl
replacement on some developer's machine.
I'm not at liberty to share more details.
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What's the status on this? One of the reasons I don't use Clojure everyday,
much as I like it, is that I want it to integrate seamlessly with Unix for
scripting.
David
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On Wed, 20 Apr 2011 10:16:05 -0700 (PDT)
David Jacobs develo...@allthingsprogress.com wrote:
What's the status on this? One of the reasons I don't use Clojure everyday,
much as I like it, is that I want it to integrate seamlessly with Unix for
scripting.
Um, I've been using it with shebang
Hi David,
Jark can do this http://icylisper.in/jark/scripting.html
http://icylisper.in/jark/scripting.html(Jark also uses cljr under the
hood coincidentally)
Ambrose
On Thu, Apr 21, 2011 at 1:16 AM, David Jacobs
develo...@allthingsprogress.com wrote:
What's the status on this? One of the
On Thu, Apr 21, 2011 at 1:28 AM, Mike Meyer m...@mired.org wrote:
On Wed, 20 Apr 2011 10:16:05 -0700 (PDT)
David Jacobs develo...@allthingsprogress.com wrote:
What's the status on this? One of the reasons I don't use Clojure
everyday,
much as I like it, is that I want it to integrate
Thanks, Jark looks awesome for this. Things like this should be more
discoverable. I googled shebang clojure for 10 minutes before
posting here and didn't come up with anything.
On Wed, Apr 20, 2011 at 1:30 PM, Ambrose Bonnaire-Sergeant
abonnaireserge...@gmail.com wrote:
On Thu, Apr 21, 2011 at
On Thu, 21 Apr 2011 01:30:25 +0800
Ambrose Bonnaire-Sergeant abonnaireserge...@gmail.com wrote:
On Thu, Apr 21, 2011 at 1:28 AM, Mike Meyer m...@mired.org wrote:
Performance pretty much sucks - starting the jvm is just slow. You can
solve that with nailgun (or something similar), which will
Ok. Problem solved.
Online service that i am using show sum of compile and execution time.
Simple empty function definition without any calls show 0,8 sec time
consuption. Therefore Clojure code is fast as Java.
I am appreciate for your help and coding tips. Thank yoy
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Thanks for sharing Jark, I hadn't seen it. Cake[1] also has this
functionality so you can use the following shebang line:
|#!/usr/bin/env cake
|
Like Jark, Cake manages the persistent JVMs for you. I don't know enough
about either project to know what the key differences between the two
On Wednesday, April 20, 2011 1:28:38 PM UTC-4, Mike Meyer wrote:
On Wed, 20 Apr 2011 10:16:05 -0700 (PDT)
David Jacobs deve...@allthingsprogress.com wrote:
What's the status on this? One of the reasons I don't use Clojure
everyday,
much as I like it, is that I want it to integrate
You also have to remember that relative paths (including file names passed
to your script) will be interpreted relative to the Nailgun server, not the
user's working directory.
That sounds like a major bug that can (and should) easily be corrected.
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Thanks :)
On Wed, Apr 20, 2011 at 1:32 AM, pepijn (aka fliebel)
pepijnde...@gmail.com wrote:
I made on here, but removed it later, not sure if it's any good:
https://github.com/pepijndevos/Begame/blob/d1bf8d687cda0a318cbce5f5ddac57b103c43d98/src/ant_mine/quadtree.clj
On Apr 19, 8:09 pm,
How would you correct it in thread-safe manner? AFAIK, the JVM's notion of
current working directory is a single, global value. There are other
subtle issues, as well, e.g., anybody who can connect to your nailgun server
can cause arbitrary code to be executed in your name. One of the more
There is a significant time required to run Hello, world on a JVM,
significantly more so than the corresponding C program on the same machine, due
to all kinds of initialization to start up the JVM, even if the compile time is
negligible.
There is additional initialization time when you start
Hi All,
I've been doing some experimentation with Clojure on various setups of
Java/JDK 1.7, including the DaVinci Machine enhancements.
In the process I distilled the build process to a few scripts and pre-
compiled some binaries for others. To download the binaries or
compile a custom JVM
Yup - it uses nailgun (though apparently nrepl is also available).
Seems like it improves nailgun for clojure users, but hides features
that would be useful if you're using other JVM-based languages with it
- which is why it requires the double-script dance even though nailgun
doesn't.
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