Does anyone know of a clojure library for handling (un)packing of
binary structures? I'm looking for something similar to perl/ruby/
python's pack(...) function or something like OCaml's bitstring
module. My initial google and clojure-contrib perusing hasn't turned
up anything obvious though
Question on best practices on handling SQL database concurrency issues
I am pmapping a evaluation to a long list (which calls a
computationally intense script) from within clojure. The script
itself is designed to be completely free of concurrency side-effects.
During the evaluation, several
with locks
as well.
2010/3/25 Scott sbuck...@gmail.com
Question on best practices on handling SQL database concurrency issues
I am pmapping a evaluation to a long list (which calls a
computationally intense script) from within clojure. The script
itself is designed to be completely free
thanks for your suggestions
two clear options 1) agents and queued transactions 2) MVC enabled
databases (postgresql, h2 (neat project))
Ill try the first option and see how it scales, and worst case move to
the second
Thanks again
Scott
On Mar 25, 12:47 pm, prhlava prhl...@googlemail.com
java to the rescue!
Thanks to all for your suggestions
Scott
On Mar 13, 3:45 pm, Michał Marczyk michal.marc...@gmail.com wrote:
On 12 March 2010 23:26, Scott sbuck...@gmail.com wrote:
How do I write a function 'bit' that converts an integer to binary
representation:
(bit 0) - 2r0
-concat 2r011 2r1100) - 2r000
.
.
.
I looked into formats, but everything defaults to integer
representation. I need to stay in binary representation. Its for a
genetic algorithm with grey coding.
Thanks!
Scott
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wondering if I can please get some advice on how to improve the
performance of this piece of code
(defn select-n-tournament
[popu fit-fn n]
(let [k 7]
(take n (repeatedly #(first (sort-by fit-fn (take k (shuffle
popu))
)
)
The profiler is telling me that first is eating up alot of
looking for something very similar to reduce, but sequentially operate
on adjacent values
for example
if
(defn reduce-n [f col n])
(reduce-n + (range 7) 2)
= (3 7 11)
ie
1+2, 3+4, 5+6
ideas?
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To post
Thanks!
On Jan 21, 7:07 am, Meikel Brandmeyer m...@kotka.de wrote:
Hi,
On Jan 20, 8:03 pm, Scott sbuck...@gmail.com wrote:
(reduce-n + (range 7) 2)
= (3 7 11)
user= (map #(reduce + %1) (partition 2 (range 1 7)))
(3 7 11)
Sincerely
Meikel
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You received this message because you
i am utilizing parenthesis to represent a tree structure within a
genetic algorithm
I am trying to write a function that can strip all parenthesis such
that I can perform crossovers/mutations on the permutation.
Ex.
( 1 2 3 4 (5 6 7 8) ((9 10 11 12)) (((13 14 15 16))) )
into
( 1 2 3 4 5 6 7 8
, Laurent PETIT laurent.pe...@gmail.com wrote:
Maybe you're in quest
ofhttp://richhickey.github.com/clojure-contrib/seq-utils-api.html#cloju...
?
HTH,
--
Laurent
2010/1/19 Scott sbuck...@gmail.com:
i am utilizing parenthesis to represent a tree structure within a
genetic algorithm
I
thanks all!
On Jan 19, 2:06 pm, kyle smith the1physic...@gmail.com wrote:
http://groups.google.com/group/clojure/browse_thread/thread/806ebb1cb...
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, this is a very common idiom in Common Lisp and other older
dialects. I guess there are a few people who don't like it, but a lot
of us do it routinely. You'll even see stuff like
(or (try-to-construct-a-foo)
(error Couldn't construct a foo))
-- Scott
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You received this message because you
equations this library will define
168 conversion functions for you (56 each for length, area, and
volume).
The code is at http://gist.github.com/276662#file_units.clj
I'd love to receive feedback.
Thanks,
Scott
Notes
[1] For a reliable alternative, see JScience.org
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...@gmail.com wrote:
On Dec 12, 11:20 am, Scott sbuck...@gmail.com wrote:
Trying to learn clojure via some simple examples.
I would like to use a simple glob expression to open a file using read-
line
How would I write the equivalent of:
(for [line (read-lines *.txt)]
(print line
Trying to learn clojure via some simple examples.
I would like to use a simple glob expression to open a file using read-
line
How would I write the equivalent of:
(for [line (read-lines *.txt)]
(print line))
Where *.txt would match only the first file found in the present
working
/2009/03/01/digest-tag-population-in-ruby/comment-page-1/#comment-1879
-- Scott
On Sat, Sep 12, 2009 at 7:23 PM, Terrance Davis terrance.da...@gmail.comwrote:
For instance, in Java ...
tmpString = JOptionPane.showInputDialog(What is your foobar?);
finalFoo = Double.parseDouble(tmpString
-Scott
On Sep 9, 12:42 am, Fredrik Appelberg fredrik.appelb...@gmail.com
wrote:
On Tue, Sep 8, 2009 at 4:09 AM, Scott Fleckenstein nullst...@gmail.comwrote:
On another note, it's surprising given that how easy creating the
archetype was how incredibly arcane writing a plugin is. Granted
, and figure
out how best I want to support AOT along with Script execution.
-Scott
On Sep 7, 9:40 pm, Stuart Sierra the.stuart.sie...@gmail.com wrote:
Also look at the ClojureShell Maven
plugin,http://github.com/fred-o/clojureshell-maven-plugin/tree/master
which runs a REPL or Swank server.
-SS
not an easy way to launch a REPL
into your code, and no support fr clojure-maven-plugin clojure:run (it
uses a script, my archetype assumes a compiled main class).
Thanks,
Scott Fleckenstein
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You received this message because you are subscribed
,
I'll figure it out eventually.
If I'm able to get a repl goal working, are you open to patches?
-Scott
On Sep 7, 5:58 pm, Mark Derricutt m...@talios.com wrote:
Excellent! This was one of the missing pieces I was hoping to pull together
next.
into your code, and no support fr clojure-maven
On Aug 13, 1:30 pm, Brian Hurt bhur...@gmail.com wrote:
I'm just wondering what people's response would be to allow user-generated
reader macros. [...]
I think you could get most of the benefits for DSL's by using regular
strings, except that regular strings have quoting issues:
On Aug 13, 5:47 pm, Chas Emerick cemer...@snowtide.com wrote:
A good thought, but #foo is reader syntax for defining a regular
expression with the pattern foo. :-/
Sorry about that, I'm not experienced at Clojure, but I should have
been more clear. The first important part isn't which
Thanks Phil! I just bought it and look forward to watching it this weekend.
Are you planning something more advanced?
On Fri, Apr 24, 2009 at 11:03 AM, Phil Hagelberg p...@hagelb.org wrote:
I'm proud to announce that the Functional Programming with Clojure
PeepCode screencast has just been
as possible. It may not
make sense to those of us trying new languages on the JVM but it is a reality
that is out there.
Scott Hickey
Senior Consultant
Object Partners, Inc.
From: Rich Hickey richhic...@gmail.com
To: Clojure clojure@googlegroups.com
Sent: Wednesday
-core it is quite colorful and fun.
As always, comments appreciate. Here is it:
-Scott
(import '(javax.swing JFrame JPanel JButton)
'(java.awt BorderLayout Dimension Color)
'(java.awt.event ActionListener))
(def cells (ref {}))
(def running (atom false))
(def x-cells ( * 32 1))
(def y-cells
that
executor pool.
-Scott
On Mar 16, 11:51 am, Larry Sherrill lps...@gmail.com wrote:
Hi Kyle,
I added life-conway.clj to the files section last week. It has rand,
clear, and bounded buttons, and the ability to use your mouse to draw
the pattern rather than rely on rand. It's a good way
to cache
the reflected handle to Graphics, but I am still a little new to this
so don't have any other ideas on how to eliminate the high amount of
reflection without a type hint.
-Scott
http://fraser.blogs.com/
On Mar 4, 4:17 pm, Larry Sherrill lps...@gmail.com wrote:
I've incorporated everyone's
I have taken Larry's Game of Life example that he originally posted
here:
http://groups.google.com/group/clojure/msg/fdfc88f1ba95bdee
...and updated it to use all the CPU's your JVM has access to. My
first attempts ran into the classic map - pmap slowdown. My next
attempt had too much dosync,
On Sat, Feb 7, 2009 at 8:16 AM, David Powell djpow...@djpowell.net wrote:
Newer versions of JDK 1.6, eg Update 11, have an application called
'jvisualvm' in the bin directory. It lets you attach to any running
Java process and it has a profiler that you can switch on at runtime.
If you're
How about e-rest, for the empty set returning version?
Perry Trolard wrote:
If it's the case that rest will almost exclusively appear in the
context of constructing lazy-seqs
(lazy-seq
(cons [something] (rest [something]))
next will appear all over, it makes sense to me to
http://mumble.net/~campbell/emacs/paredit.el
http://mumble.net/~campbell/emacs/paredit.html
Should work out of the box with Clojure and Emacs.
- Scott
On Jan 2, 8:48 pm, falcon shahb...@gmail.com wrote:
http://www.cs.brown.edu/research/plt/software/divascheme/
or
http://www.youtube.com
using JDBC with MSSQL Express requires some extra setup.
On Dec 16, 3:49 pm, Scott Jaderholm jaderh...@gmail.com wrote:
I don't think that's a problem:
user (. Class (forName com.microsoft.sqlserver.jdbc.SQLServerDriver))
com.microsoft.sqlserver.jdbc.SQLServerDriver
On Tue, Dec 16, 2008
I don't think that's a problem:
user (. Class (forName com.microsoft.sqlserver.jdbc.SQLServerDriver))
com.microsoft.sqlserver.jdbc.SQLServerDriver
On Tue, Dec 16, 2008 at 12:21 PM, MikeM michael.messini...@invista.comwrote:
To make sure your driver is really on the classpath, try this from
Seems like having something like this would be a good step towards
supporting image-based development similar to Smalltalk. Whether that
is a good thing or not is a different discussion ;)
-Scott Fleckenstein
On Dec 10, 8:16 am, Stuart Sierra [EMAIL PROTECTED] wrote:
On Dec 10, 7:15 am, Simon
I'm a newbie, so feel free to bash me on the noggin if i'm missing
something:
Personally, I would love = to support null-ary case; being able to
use apply with = seems very powerful, and would remove the need to
check for an empty sequence.
-Scott
On Dec 3, 9:39 pm, Krukow [EMAIL PROTECTED
, and mirror the send/send-off functions. The -after variants
are one shot sends that wait for a specified timeout and then send,
whereas the -periodically variants repeatedly send using the given
interval.
Thanks,
Scott Fleckenstein
--~--~-~--~~~---~--~~
You received
a ClassNotFoundException thrown. I don't
have enough java experience to know what would cause this problem.
Things work as expected on revision 1100.
Does anyone know what would cause this? I'd be happy to put in the
time to help debug and fix this, but I'm at a loss for where next to
go.
Thanks,
Scott Fleckenstein
running Repl to learn an API. Oh well, I can tweak my workflow :)
-Scott
On Nov 17, 10:32 am, Rich Hickey [EMAIL PROTECTED] wrote:
On Nov 17, 1:00 pm, Scott Fleckenstein [EMAIL PROTECTED] wrote:
Hi All,
I've run into a bug since upgrading past revision 1100, specifically
around adding
It should work. Before I had a debugging working in Eclipse with Groovy, I used
JSwat, JEdit and Ant for project work with success.
Scott Hickey
Senior Consultant
Object Partners, Inc.
- Original Message
From: Bill Clementson [EMAIL PROTECTED]
To: clojure@googlegroups.com
Sent
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