On Jun 30, 2009, at 11:50 PM, Krukow wrote:
I like the pragmatics of :min-history, and I believe it would be
sufficient for many scenarios. However, I suspect we are now moving
closer to the situation that Cliff Click was predicting [1] where as a
programmer you need more precise knowledge
Hello,
That is an interesting blog post. I am not a clojure specialist, but if I
was to try to change your program to get towards C-like speed (or better), I
would :
- Use java arrays for memory. You don't seem to use the vectors in a
persistent way, and there does not seem to be easy
Hi
2009/7/1 mmwaikar mmwai...@gmail.com:
Hi,
I am learning clojure these days, but on .Net. I have the following
code -
I only have a tiny bit to add to what Daniel's already said.
[...]
(defn GetSubfolderName [filename]
((def name-wo-extn (Path/GetFileNameWithoutExtension
(i googled but didn't find anything about this yet...)
while trying to understand the graphics animation code from ants.clj,
i tried this simpler code, but when i run the code below in the repl,
i don't see the .s until i evaluate something afterwards; then they
get flushed to the console. is
Hi Tom,
Thanks for the answer. I already have some embryonic antlr grammar for
clojure, but I'm willing to give pprint a thourough try.
I'll play with your code. Do you have a first pass over the clojure
reader to attach other meta information as you go, or do you directly
consume the clojure
You just didn't
(flush)
Regards,
Tim.
On Jul 1, 5:43 pm, Raoul Duke rao...@gmail.com wrote:
(i googled but didn't find anything about this yet...)
while trying to understand the graphics animation code from ants.clj,
i tried this simpler code, but when i run the code below in the repl,
Thanks, more of it.
Emeka
On Mon, Jun 29, 2009 at 12:31 AM, Daniel Jomphe danieljom...@gmail.comwrote:
I think the following article I wrote may help properly understanding
dispatch. I submit here for your pleasure/review.
First paragraph:
I believe multiple dispatch is known to be hard
On Jul 1, 12:02 am, Chouser chou...@gmail.com wrote:
You could wrap a Ref around every value, if you chose, to
allow independent changes to different rows at the same
time -- though this would not help when inserting rows.
I guess having millions of Refs would not perform too well. Plus you
On Jul 1, 8:02 am, Rowdy Rednose rowdy.redn...@gmx.net wrote:
But it looks like I have to implement that myself - which is not a
complaint, but I'm trying to estimate the amount of work necessary.
But I guess I could just start with one Ref per relation and then make
it more concurrent
On Fri, Jun 26, 2009 at 5:12 PM, Kaipoki...@gmail.com wrote:
I'm new to this discussion group and Clojure.
Welcome!
I'm sharing the first
bigger-than-REPL script that I've written because I haven't seen
anything else like it for Clojure. It's a script that takes Clojure
code as input and
I'm just trying to once and for all find or implement a clojure
solution for the simple problem that most companies (that make heaps
of money developing super boring software) have: There's relational
data like Persons and Companies, that needs to be accessed and
manipulated by multiple client
On Wed, Jul 1, 2009 at 1:50 AM, Krukowkarl.kru...@gmail.com wrote:
On Jun 30, 6:01 pm, Rich Hickey richhic...@gmail.com wrote:
MVCC history in Clojure's STM is dynamic, created by need. There is no
read tracking, and more important for this case, no transaction
tracking. So, if a read
On Jul 1, 8:43 am, Daniel Lyons fus...@storytotell.org wrote:
While that may be true for the time being I think that Rich's original
response still holds water: that usually, correctness is more
important than performance and correctness is the real win with STM.
[snip...]
Agreed -
On Jul 1, 3:09 pm, Rich Hickey richhic...@gmail.com wrote:
[snip]
lock architecture that is woven throughout. In fact, I think the
possibility for knobs is a key strength of an STM. Furthermore, such
knobs can be dynamic, allowing for applications that analyze their own
runtime situation
On Jul 1, 8:55 am, Nicolas Oury nicolas.o...@gmail.com wrote:
- Use java arrays for memory. You don't seem to use the vectors in a
persistent way, and there does not seem to be easy parallelization of the
vm. That's less elegant but probably quicker. I wouldn't say the same thing
if there
I would definitely be interested...
Marcin.
On Jun 4, 12:09 pm, Eric Thorsen ethor...@enclojure.org wrote:
I went to the Bay Area Clojure group meeting last night which was
great. People demoed some very interesting stuff and it was great
having face time with more people using Clojure. I
Most of the OpenGL code I've seen has been a fairly literal
translation of the corresponding Java, so as a way of getting my feet
wet in Clojure I've written something that tries to be a little more
idiomatic. It can be found at http://github.com/ztellman/penumbra/tree/master
The only really
On Wed, Jul 1, 2009 at 9:43 AM, Raoul Duke rao...@gmail.com wrote:
while trying to understand the graphics animation code from ants.clj,
i tried this simpler code, but when i run the code below in the repl,
i don't see the .s until i evaluate something afterwards; then they
get flushed to the
Mark Engelberg mark.engelb...@gmail.com writes:
On Tue, Jun 30, 2009 at 12:29 AM, Konrad
Hinsenkonrad.hin...@laposte.net wrote:
What is particularly nice about Clojure is that in most situations
you don't need to switch to Java for speed. You can optimize your
code by adding type hints and
On Jun 30, 2009, at 19:07, Mark Engelberg wrote:
On Tue, Jun 30, 2009 at 12:29 AM, Konrad
Hinsenkonrad.hin...@laposte.net wrote:
What is particularly nice about Clojure is that in most situations
you don't need to switch to Java for speed. You can optimize your
code by adding type hints and
Hey,
Has anyone out there written an Apache POI wrapper yet?
Sean
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Thanks Meikel and Steve it is quite clear now! I will redirect
questions here should anybody ask.
~ Kai
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Thanks for the heads up.
Michael Swaine used to be the editor of dr dobbs journal which I enjoyed
reading for years.
so it should be a good read.
On Wed, Jul 1, 2009 at 3:40 PM, nrub p...@typosfrompaul.com wrote:
For anyone that's interested check out http://www.pragprog.com/magazines
It
I did icfp09 on my own using a mix of clojure+java. I'd sitll call myself a
clojure newbie, but have been writting java for a few years now. my code is
here:
http://github.com/mcodik/icfp2009-momo/tree/master
I wrote the vm in java since I figured that most of the code would be really
imperative
Hi, thanks for the pointer !
By the way, I was wondering whether error-kit can be leveraged
seamlessly with concurrent programming ?
For example I guess that using (vec (pmap ...) instead of (vec (map
...) will not work because the binding of the handlers will be lost.
I have always been
Another one: http://bitbucket.org/shoover/icfp. Like Jeff we had fun on the
VM but didn't get to post a solution :)
On Wed, Jul 1, 2009 at 1:34 AM, Jeff Foster dr.jeff.fos...@gmail.comwrote:
I looked at the ICFP Contest too. I didn't even get as far as solving
the first problem, but I did
Laurent,
Sounds like a good plan.
To answer your questions:
I'll play with your code. Do you have a first pass over the clojure
reader to attach other meta information as you go, or do you directly
consume the clojure data structures the reader passes to you ?
pprint operates on clojure
i don't see the .s until i evaluate something afterwards; then they
many thanks to all for the help!
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Hi all,
I've posted the videos we took at the Bay Area Clojure Group meeting
at http://tomfaulhaber.blip.tv.
The production values leave a great deal to be desired and we didn't
have enough tape to catch everything, but most of the stuff is there
and we edited out most of the long projector
Hey Chouser,
I did copy from clojure.contrib.duck-streams and originally had a
comment in there as regards to that. It got removed over clean-up
iterations, I'll put it back on there. I must learn to be more formal
when I publicly release code :)
Thanks for the tips on sets! Originally those
that is terrific. many thanks!
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I wonder if there's a solution based on some universal meta-data to identify
what is lazily evaluated, and provide hooks (functions in the meta-data) to
insert handlers, such as error-kit, into the lazy evaluation.
On Wed, Jul 1, 2009 at 9:29 AM, Laurent PETIT laurent.pe...@gmail.comwrote:
Hi,
Has anyone out there written an Apache POI wrapper yet?
I started to (for Excel processing), only to abandon it in disgust.
POI is just too incomplete: I have to choose between loading
everything into memory (impossible), or essentially parsing XLSX
myself (so what's the point of using
On Jun 30, 3:02 pm, igorrumiha igorrum...@gmail.com wrote:
According to some of the people on the #icfp-contest channel my
VM implementation is 500x to 1000x slower than a typical
implementation written in C. It is, on the other hand, in the same
performance range as some VMs written in
Hmmm... good to know POI still needs work. I guess I'll just stick
with CSV tab delimited for now. Thanks!
On Jul 1, 1:56 pm, Richard Newman holyg...@gmail.com wrote:
Has anyone out there written an Apache POI wrapper yet?
I started to (for Excel processing), only to abandon it in
2009/7/1 Howard Lewis Ship hls...@gmail.com:
I wonder if there's a solution based on some universal meta-data to identify
what is lazily evaluated, and provide hooks (functions in the meta-data) to
insert handlers, such as error-kit, into the lazy evaluation.
One general solution could be to
On Jul 1, 8:25 pm, fft1976 fft1...@gmail.com wrote:
On Jun 30, 3:02 pm, igorrumiha igorrum...@gmail.com wrote:
According to some of the people on the #icfp-contest channel my
VM implementation is 500x to 1000x slower than a typical
implementation written in C. It is, on the other hand, in
On Jul 1, 8:55 am, Nicolas Oury nicolas.o...@gmail.com wrote:
[SNIP]
And instead of reading the instruction and storing them in a vector
you create a term:
program-term =
`(fn [input-array output-array memory]
(do ~...@list-of-instructions)
Then you (eval program-term)
On Jun 27, 3:16 am, Christophe Grand christo...@cgrand.net wrote:
Indeed. Fixed.
user= (html-resource (java.io.StringReader. !-- o noes a comment
--htmlheadtitlet/title/headbodyh1h/h1/body/html))
({:type :comment, :data o noes a comment } {:tag :html, :attrs nil,
:content [{:tag :head,
On Jul 1, 1:10 pm, igorrumiha igorrum...@gmail.com wrote:
On Jul 1, 8:25 pm, fft1976 fft1...@gmail.com wrote:
On Jun 30, 3:02 pm, igorrumiha igorrum...@gmail.com wrote:
According to some of the people on the #icfp-contest channel my
VM implementation is 500x to 1000x slower than a
On Jul 1, 9:52 am, Laurent PETIT laurent.pe...@gmail.com wrote:
As far as IDE integration is concerned, i would not bother (at first)
about incremental thing. I rather intend to always parse the entire
edited file content (of course if this causes a performance problem, I
might rethink about
On Jul 1, 2009, at 2:24 PM, fft1976 wrote:
Isn't it strange that Clojure with type declarations (that some people
say should be as fast as Java) was only as fast as Python (which does
not allow type declarations and does not exactly have a reputation for
speed)?
Unless the two
Hi Tom,
2009/7/1 Tom Faulhaber tomfaulha...@gmail.com:
Laurent,
Sounds like a good plan.
To answer your questions:
I'll play with your code. Do you have a first pass over the clojure
reader to attach other meta information as you go, or do you directly
consume the clojure data
Hi Philip,
2009/7/1 philip.hazel...@gmail.com philip.hazel...@gmail.com:
On Jul 1, 9:52 am, Laurent PETIT laurent.pe...@gmail.com wrote:
As far as IDE integration is concerned, i would not bother (at first)
about incremental thing. I rather intend to always parse the entire
edited file
On Wed, Jul 1, 2009 at 2:08 PM, Daniel Lyonsfus...@storytotell.org wrote:
On Jul 1, 2009, at 2:24 PM, fft1976 wrote:
Isn't it strange that Clojure with type declarations (that some people
say should be as fast as Java) was only as fast as Python (which does
not allow type declarations and
On Jul 1, 10:24 pm, fft1976 fft1...@gmail.com wrote:
Has either one of you tried adding type declarations?
Yes, I had them from the start.
Isn't it strange that Clojure with type declarations (that some people
say should be as fast as Java) was only as fast as Python (which does
not
On Jul 1, 3:45 pm, cody c...@koeninger.org wrote:
The use case for this is inserting sub-templates, e.g. site-wide
common sidebars, footer, etc. Or do you see an alternate way to
accomplish that goal?
Eh, looks like I need to read earlier in the thread, apologies for the
noise, and thanks
Hi,
Did you place the code somewhere in a public repo on github, google
code, svn, bitbucket or whatever ? (so that it is easy to track
changes ?).
Anyhow, is it possible to reuse your code ? I'm evaluating several
ways of starting code for doing formatting for the clojure plugin for
eclipse,
Where's the current home for the Emacs clojure-mode source? I have a one
line patch I'd like to make, but don't know where to send it!
Is it http://github.com/technomancy/clojure-mode/tree/master ?
Anyway I'll include the patch to add a local-abbrev-table here since it
is so small.
Cheers,
On Wed, Jul 1, 2009 at 11:42 PM, cody c...@koeninger.org wrote:
On Jul 1, 3:45 pm, cody c...@koeninger.org wrote:
The use case for this is inserting sub-templates, e.g. site-wide
common sidebars, footer, etc. Or do you see an alternate way to
accomplish that goal?
Eh, looks like I
Chris Dean ctd...@sokitomi.com writes:
Where's the current home for the Emacs clojure-mode source? I have a one
line patch I'd like to make, but don't know where to send it!
Is it http://github.com/technomancy/clojure-mode/tree/master ?
That's my repository. Technically the canonical one
Are you suggesting that clojure reader parsed code could be first
translated back to String and reinjected to the source code reader ?
Indeed that could simplify final implementation. I don't know what the
impact on performance would be, though.
No, that wouldn't work because the clojure
It looks like your patch might be incomplete; I get a void-variable:
clojure-mode-abbrev-table when I run that.
So it is. Looks like I had the defs in my private startup file for some
reason. Here's a corrected patch.
Cheers,
Chris Dean
diff --git a/clojure-mode.el b/clojure-mode.el
index
As a side note on the topic of clojure-mode, I noticed the function
clojure-install still clones Kevin O'Neill's svn mirror
(git://github.com/kevinoneill/clojure.git). Shouldn't this point to Rich's
repository (git://github.com/richhickey/clojure.git), now that clojure has
moved to github?
-
Chris Dean ctd...@sokitomi.com writes:
It looks like your patch might be incomplete; I get a void-variable:
clojure-mode-abbrev-table when I run that.
So it is. Looks like I had the defs in my private startup file for some
reason. Here's a corrected patch.
Thanks; I've committed this.
Jeff Valk jv-li...@tx.rr.com writes:
As a side note on the topic of clojure-mode, I noticed the function
clojure-install still clones Kevin O'Neill's svn mirror
(git://github.com/kevinoneill/clojure.git). Shouldn't this point to
Rich's repository (git://github.com/richhickey/clojure.git),
Thanks a lot Daniel for your suggestions. As per my understanding
Clojure for Java and .Net are two implementations of the same
language, but they have to support different things because the
underlying platforms support different things - e.g. extension methods
(are in C# but most likely not in
Thanks Michael, and you are spot on about your observation on
parentheses :) but when I wasn't putting (def name-wo-extn
something) in another (), I was getting some error like - too many
arguments to def, hence I put one more. I am still getting used to
this syntax.
On Jul 1, 3:03 am, Michael
Here's some warts, when working with boolean fields from sql
databases.
(if (with-db (sql-val [select convert(bit, 0)])) Yes, no)
will return Yes. This is because contrib.sql returns java Booleans,
not clojure tru/false.
(if (= false (with-db (sql-val [select null]))) Yes, no)
will return no.
I just got an advise from IRC to use (boolean x).
Problem solved :)
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On Jul 1, 1:02 am, Chouser chou...@gmail.com wrote:
On Tue, Jun 30, 2009 at 8:37 AM, Rowdy Rednoserowdy.redn...@gmx.net wrote:
Would it be easy to implement an in-memory database in clojure that
allows concurrent access?
It sounds pretty easy, as most of the features are already
You're now reinventing JavaScript's object system, BTW.
~~ Robert.
Laurent PETIT wrote:
2009/7/1 Howard Lewis Ship hls...@gmail.com:
I wonder if there's a solution based on some universal meta-data to identify
what is lazily evaluated, and provide hooks (functions in the meta-data) to
I just changed my mind about releasing this. If anyone wants to use
the name, it's yours!
On Jun 25, 12:17 am, Emeka emekami...@gmail.com wrote:
accounting software in Clojure?
Which area of accounting will it cover?
Emeka
On Thu, Jun 25, 2009 at 3:41 AM, fft1976 fft1...@gmail.com wrote:
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