On Wed, Dec 17, 2008 at 1:55 PM, Rich Hickey wrote:
>
>
>
> On Dec 17, 3:43 am, "Remco van 't Veer" wrote:
>> Hi all,
>>
>> First off, thanks for clojure! I've been playing with it for a couple
>> days now and love it!
>>
>
Hi all,
First off, thanks for clojure! I've been playing with it for a couple
days now and love it!
Doing ruby in my day job, I've found some quirks I don't really
understand. Most of them are obviously me being new to clojure and a
lisp "beginner". But the following keeps bugging me:
user
Good morning Tom,
Skimming through the code I found:
(defmacro aif
[test then-form else-form]
`(let [~'it ~test]
(if ~test
~then-form
~else-form)))
The test form is evaluated twice, probably not what you want. You
could replace this macro with an (or ..) form
I got repl to start with a small change to swank-clojure:
http://github.com/remvee/swank-clojure/commit/ed89d6997bce3c5076e779ad6e79e37a44d84432
On Thu, Jan 1, 2009 at 1:44 AM, Mark Hoemmen wrote:
> I've been having trouble with Emacs + SLIME + Clojure. I've been
> using Bill Clementson's
I've been playing around with clojure on the android platform. To my
surprise it was pretty easy to get running, after removing the bean
method from the clojure.jar as hinted by Rich somewhere. Of course
clojure code needs to be compiled AOT and eval doesn't work, as was to
be expected, but all
ArrayList methods = new ArrayList();
ArrayList bridgeMethods = new ArrayList();
On Sat, Jan 31, 2009 at 3:55 PM, Remco van 't Veer wrote:
> I've been playing around with clojure on the android platform. To my
> surprise it was pretty easy to get running, after removing
Great idea! Maybe you would like to join ACK:
http://groups.google.com/group/amsterdam-rb/browse_thread/thread/2a38b6b85f3e7bbb
A small get together initiated by Rubyist in Amsterdam. Next meeting
is next monday. At least two of us, myself included, are happily
hacking clojure.
On Mon, Fe
Caching Reflector.getMethods, as described below, works pretty well.
Performance seems acceptable for now. Startup time is still dramatic,
need to investigate. Considering releasing changes as a fork on
github is anybody is interested.
On Sat, Jan 31, 2009 at 8:35 PM, Remco van 't Veer
tty please.
Remco
On Feb 4, 2009 3:59 PM, "igorrumiha" wrote:
On Feb 4, 10:12 am, "Remco van 't Veer" wrote: >
Caching Reflector.getMethods,...
I would also be interested in running Clojure on the Android. I tried
running a "Hello world" application on the em
bypassing LispReader. Need to learn more about GeneratorAdapter,
and need sleep, before I can speedup the loading of, for instance, seq
contants.
My changes are available at github; http://github.com/remvee/clojure
Remco
On Wed, Feb 4, 2009 at 5:55 PM, Remco van 't Veer wrote:
> Having a lisp
Got startup time down to 5 seconds by completely eliminating the use
of lispreader and putting of loading the xml, set and zip namespaces.
There's no clear bottlenecks left to fix.
On Fri, Feb 6, 2009 at 1:06 AM, Remco van 't Veer wrote:
> I've managed to get to startup
Hi Rich,
I've been working on getting clojure in a more usable state for android
[1]. One of the challenges was to speedup startup time. A lot of
time is spend in the lisp-reader because all constants are stored as
lisp expressions. I've replace most of this code by a more direct
approach; emi
On Tue, Feb 10, 2009 at 1:33 PM, Rich Hickey wrote:
> On Feb 10, 3:47 am, "Remco van 't Veer" wrote:
>> Hi Rich,
>>
>> I've been working on getting clojure in a more usable state for android
>> [1]. One of the challenges was to speedup start
On Tue, Feb 10, 2009 at 1:57 PM, Remco van 't Veer wrote:
> On Tue, Feb 10, 2009 at 1:33 PM, Rich Hickey wrote:
>> On Feb 10, 3:47 am, "Remco van 't Veer" wrote:
>>> Hi Rich,
>>>
>>> I've been working on getting clojure in a more us
Should I open in issue for this?
W/dalvikvm( 214): VFY: unable to resolve virtual method 6650: Ljava/
lang/StringBuilder;.append (C)Ljava/lang/AbstractStringBuilder;
W/dalvikvm( 214): VFY: rejecting opcode 0x6e at 0x0043
W/dalvikvm( 214): VFY: rejected Lclojure/core$slurp__4218;.invoke
(Ljav
Done: http://code.google.com/p/clojure/issues/detail?id=77
On Thu, Feb 12, 2009 at 2:06 PM, Rich Hickey wrote:
>
>
>
> On Feb 12, 5:30 am, "Remco van 't Veer" wrote:
>> Should I open in issue for this?
>>
>> W/dalvikvm( 214): VFY: unable t
Created issued including patch:
http://code.google.com/p/clojure/issues/detail?id=78
The CA is in the mail.
On Wed, Feb 11, 2009 at 2:08 PM, Rich Hickey wrote:
>
>
>
> On Feb 11, 4:36 am, "Remco van 't Veer" wrote:
>> On Tue, Feb 10, 2009 at 1:57
Maybe *ignore-whitespace* is a beter name since it doesn't remove
anything and will retain some of it. I would prefer it to default to
true.
On Wed, Feb 18, 2009 at 12:59 PM, Christophe Grand
wrote:
>
> clojure.xml currently removes significant whitespaces. I guess that
> people processing xml
ssing xml as mark-up don't). What's the best way to accomodate
>> > these to use cases? Through a *remove-all-whitespaces* var?
>
> On Feb 18, 6:29 am, "Remco van 't Veer" wrote:
>> Maybe *ignore-whitespace* is a beter name since it doesn't remove
ve you posted any code or advice/instruction on
>> how one could repeat what you did with Clojure on theAndroidphone?
>>
>> Rob
>>
>> On Feb 6, 12:29 pm, "Remco van 't Veer" wrote:
>>
>> > Got startup time down to 5 seconds by completel
I've noticed a related performance bottleneck when working with
clojure on dalvik. Without type hints methods get looked up using
reflection every time using clojure.lang.Reflector.getMethods. A lot
if time is spend in this method while the results can easily be
cached. This is probably only rel
Dalvik (the VM android uses) only runs AOT compiled Clojure code.
Swank needs to be able to compile Clojure code at runtime. This is
not (yet) possible on Dalvik because it uses incompatible bytecode;
compiled classes need to be translated to DEX files before being
deployed on android.
I doubt r
On Wed, Apr 1, 2009 at 12:00 PM, David Sletten wrote:
> [snip]
> I'm going to move forward with the negotiations, but I need to know
> if you, the Clojure community, are on board here. Ultimately the
> decision is going to come down to whether or not you find the APRiL
> 1.0 technology useful. T
On Mon, Apr 6, 2009 at 6:28 PM, Nick Levine wrote:
> I've been trying to get clojure + android going but without much
> success. In case it's relevant, I'm on Windows (XP) and the java
> version is 1.6.0_13.
>
> I followed http://riddell.us/tutorial/android/android.html and
> http://riddell.us/t
:
> Remco,
>
> Thanks for the hint. Log follows.
>
> - nick
>
> On Apr 7, 8:36 am, "Remco van 't Veer" wrote:
> [...]
>> What does logcat report? (use "adb logcat" on the commandline or "M-x
>> android-logcat" if you're us
AM, Nick Levine wrote:
>>
>> On Apr 7, 8:36 am, "Remco van 't Veer" wrote:
>> >[...]
>> > What does logcat report? (use "adb logcat" on the commandline or "M-x
>> > android-logcat" if you're using my emacs minor mode).
>
Name: clj-android
URL: http://github.com/remvee/clj-android/
Author: Remco van 't Veer
Categories: android framework
License: MIT
Dependencies: clojure
Description:
Basic application framework for building Android applications using
Cl
It's still very basic but in light of current interest in running
Clojure on Android, I've released my work on setting up a framework
for Android application development into the wild. The code is
available at:
http://github.com/remvee/clj-android/
Beware: it's experimental and incomplete! T
On Thu, Apr 9, 2009 at 1:23 PM, Onorio Catenacci wrote:
> [..]
>
> I know you were mentioning some real performance issues when starting
> a Clojure app from Android (I see them too). I wonder if using
> TraceView to profile the Dalvik code generated by the conversion from
> the Clojure bytecod
On Thu, Apr 9, 2009 at 3:17 PM, Rich Hickey wrote:
> On Apr 9, 8:03 am, "Remco van 't Veer" wrote:
>> On Thu, Apr 9, 2009 at 1:23 PM, Onorio Catenacci wrote:
>> > [..]
>>
>> > I know you were mentioning some real performance issues when starting
On Tue, Apr 14, 2009 at 2:40 PM, Rich Hickey wrote:
> On Apr 9, 10:28 am, "Remco van 't Veer" wrote:
>> On Thu, Apr 9, 2009 at 3:17 PM, Rich Hickey wrote:
>> A blocker for dalvik is issue 77;
>>
>> http://github.com/remvee/clojure/commit/7c110dc00895
Cool! Please share the code on github or whatever.
I've been looking at reducing the memory footprint so I tend to
consider including dex into your app as a bad thing. But it would be
really cool to do the slime dance during development.
I guess a more efficient approach lures in the bsh imple
AFAIK, there's only one issue keeping the current master (and 1.1) from
running on Dalvik:
https://www.assembla.com/spaces/clojure/tickets/199-chunked-seqs-support--for--byte-code-can-t-be-converted-to-dex-for-dalvik
So clone the 1.1.x branch from Rich and revert commit 306ef6 and it may
just wor
It's: javax.sound.sampled.Line$Info
alux writes:
> Hello,
>
> sorry, I'm a bit slow today. I try to create an instance of a Java
> class I want to use, and am just confused.
>
> The Java code is
>
> import javax.sound.sampled.*;
>
> ...
>
> Line.Info li = new Line.Info(Object.class);
>
> My two
A very basic library of functions for encoding and decoding strings
(sequences of characters) using the base64 coding scheme.
Code:
http://github.com/remvee/clj-base64
Clojars:
http://clojars.org/clj-base64
Lein it up with:
[clj-base64 "0.0.0-SNAPSHOT"]
Usefulness:
network protocol rela
I am doing the following after an insert for a Derby database:
(sql/with-query-results res
["VALUES IDENTITY_VAL_LOCAL()"]
(first (vals (first res
For MySQL it would be something like:
(sql/with-query-results res
["SELECT LAST_INSERT_ID()"]
(first (vals (first res
I
Nice! That's a lot better than depending on some quirky sql construct.
Thanks,
Remco
Saul Hazledine writes:
> On Apr 20, 8:51 pm, Remco van 't Veer wrote:
>> I am doing the following after an insert for a Derby database:
>>
>> (sql/with-query-results res
>
On 2010/05/20 23:50, Mike Meyer wrote:
> Clojure on Android isn't hard to set up, but performance isn't very
> good. IIRC, there are two issues: both reflection and GC - which
> Clojure tends to use heavily - are slow on Dalvik. Possibly Froyo will
> help with that.
Froyo will include JIT for dal
On 2010/05/21 15:32, Remco van 't Veer wrote:
> BTW the latest clojure may work on dalvik but probably won't due to
> issue #199[1]. Checkout my clojure fork[2] for an ancient version of
> clojure that does work on dalvik.
I just confirmed the current master branch does run o
On 2010/05/28 01:45, MHOOO wrote:
> After reading on the dev group about running clojure on android I
> figured I might just as well try the hello-dalvik example myself.
> However the master branch fails because it is exhausing the heap?:
>
> ---
May 28, 9:26 am, Remco van 't Veer wrote:
>>
>> Try giving the dx command a bit more memory by adding something like:
>>
>> -Jmx1024m
>>
>> before --dex.
>>
> Unfortunately that didn't work quite so well. The java process ended
> up using
Nice! This will speedup development and allow you to workaround the
terribly long startup time with a distracting splash screen.
On 2010/05/29 01:06, MHOOO wrote:
> I've just started with development on android myself, but from what
> I've read on the internets, you could probably write a .dex
The dalvikvm does not run java classes and has a different instruction
set. That's why you need to do the dex step before deploying your code
on android.
George Jahad did get a repl/eval to run on android some time ago. See:
http://groups.google.com/group/clojure/browse_thread/thread/14725172
On 2010/05/31 14:25, MHOOO wrote:
> I'd like to have clojure *not* `(load x)` where x is at least:
> clojure.zip, clojure.xml, clojure.set
> when starting clojure up. I didn't really find any place in the
> clojure code where I could do that except remove the entire subsystem
> from the ant build.
There was a thread about this some months ago;
http://groups.google.nl/group/clojure/browse_thread/thread/e95d4778301be699/
Somebody came up with his own version of insert-record:
http://gist.github.com/373564#LC62
On 2010/08/11 09:10, Shantanu Kumar wrote:
> Hi,
>
> I need to retrieve au
On 2010/09/01 09:12, Sean Corfield wrote:
> It seems that all the Clojure web frameworks expect you to be using
> Jetty - what about deploying to Tomcat or Resin or JBoss or...?
I've used Jetty in the past for development because it was (probably
still is?) the smallest, lightweight, no nonsense
On 2010/09/01 09:24, Sean Corfield wrote:
> On Wed, Sep 1, 2010 at 12:16 AM, Meikel Brandmeyer wrote:
>> I have good experiences with enlive[1]. There you write your templates
>> in normal HTML files and modify them from Clojure via CSS-style
>> selectors.
>
> That's pretty horrible.
>
> I guess
I expected this to work:
(into {} (partition 2 (split (slurp "data") #",")))
But unfortunately, `into' doesn't seem to allow pushing lists of pairs
into a map. But vectors are allowed:
(into {} (map vec (partition 2 (split (slurp "data") #","
Can somebody explain why vectors are allowe
On 2010/12/23 05:51, Robert McIntyre wrote:
> I think it would be really cool to have a function that gives the
> total number of bytes that a data structure consumes.
>
> so something like:
>
> (total-memory [1 2 [1 2]])
>
> would return however many bytes this structure is.
>
> Is there already
Simpler and faster:
(count (clojure.string/replace s " " ""))
On 2010/12/22 18:52, Rayne wrote:
> I have a piece of code, and I'd like to see how fast it can be.
>
> (defn count-num-chars [^String s]
> (loop [s s acc 0]
> (if (seq s)
> (recur (rest s) (if (= (first s) \space) acc
On 2010/12/23 18:30, Ken Wesson wrote:
> On Thu, Dec 23, 2010 at 3:24 AM, Remco van 't Veer wrote:
>> Simpler and faster:
>>
>> (count (clojure.string/replace s " " ""))
>
> Simpler, yes, but not at all faster:
>
> Time (in nanoseco
Try adding CR to your LF's. RFC 1945 states:
HTTP/1.0 defines the octet sequence CR LF as the end-of-line marker
for all protocol elements except the Entity-Body (see Appendix B for
tolerant applications). The end-of-line marker within an Entity-Body
is defined by its associated media
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