There's going to be a solar eclipse in a couple of weeks visible from
lots of places with great names: Varanasi, Darjeeling (has a j in it!)
and Surat, for example.
An alignment of three cosmic bodies is a syzygy.
Many eclipse cycles seem to have neat names:
On Mon, Jun 22, 2009 at 2:41 AM, liebke lie...@gmail.com wrote:
Hi Anand,
Try changing the INCANTER_HOME variable in the clj script to the
absolute path to the incanter directory, instead of a relative path,
like ./ or ../
Let me know if that doesn't work.
Hi David,
Didn't
work,
, Anand Patil anand.prabhakar.pa...@gmail.com
wrote:
On Mon, Jun 22, 2009 at 2:41 AM, liebke lie...@gmail.com wrote:
Hi Anand,
Try changing the INCANTER_HOME variable in the clj script to the
absolute path to the incanter directory, instead of a relative path,
like
OK, figured it out... the problem was I had copied incanter.clj to
/Library/Java/Extensions. When I removed that copy, everything worked as
expected. Weird, but I'm glad it's not happening anymore.
Anand
On Mon, Jun 22, 2009 at 1:52 PM, Anand Patil
anand.prabhakar.pa...@gmail.com wrote:
Hi
On Sat, Jun 20, 2009 at 11:29 AM, Jon Harrop j...@ffconsultancy.com wrote:
The Task Parallel Library. It uses concurrent wait-free work-stealing
queues
to provide an efficient implementation of work items than can spawn other
work items with automatic load balancing on shared memory
Hi David and all,
Just trying to get up and running with Incanter, on a Mac with the github
head. The clj script doesn't find part of parallel colt:
(head-mac bin) ./clj
Clojure 1.1.0-alpha-SNAPSHOT
user= (use '(incanter core))
java.lang.NoClassDefFoundError:
On Thu, Jun 18, 2009 at 5:48 PM, Konrad Hinsen konrad.hin...@laposte.netwrote:
On 18.06.2009, at 16:47, psf wrote:
That is funny... I put a little Clojure plug into the article entitled
Trailblazing with Roadrunner in the very same issue of CiSE.
Great minds think alike ;-)
On
On Sun, May 17, 2009 at 1:15 PM, Konrad Hinsen konrad.hin...@laposte.netwrote:
On 16.05.2009, at 15:53, aperotte wrote:
Yes Anand, I'm worried about that. What I think the solution should
be is to allow mutability in the implementation of algorithms in the
java back end for the reasons
On Mon, May 18, 2009 at 10:54 AM, Konrad Hinsen
konrad.hin...@laposte.netwrote:
On May 18, 2009, at 11:21, Anand Patil wrote:
Huh, sounds like just the thing. Security is going to be especially
difficult in Clojure, though. For example, say I stuck the array
into a ref from within
On Sat, May 9, 2009 at 7:09 PM, aperotte apero...@gmail.com wrote:
It shouldn't be a problem to maintain immutability and also perform a
cross/cartesian product. I'm not sure I understand the problem.
It was a pretty bad example... what I meant was, in scientific computing,
people often have
On Sat, May 2, 2009 at 11:19 PM, aperotte apero...@gmail.com wrote:
Hello everyone,
I just uploaded some of my work on a new datatype for clojure to a git
repository.
http://github.com/aperotte/persistentmatrix
A bit of the rationale and motivation for the datatype is described on
the
Clojure's great, thanks very much for making it available supporting it!
Anand
On Fri, Mar 20, 2009 at 6:26 PM, Rayne disciplera...@gmail.com wrote:
I Anthony Simpson, with the support of fellow Clojurists hereby
declare March 20th, the first day of spring, Rich Hickey appreciation
day!
Excellent point. Yes, get-watches seems like a better option.
Anand
On Thu, Mar 5, 2009 at 3:33 AM, Timothy Pratley timothyprat...@gmail.comwrote:
I forgot to mention the reason I don't feel it should be an error to
remove a non-existent watch
user= (dissoc {:a 1 :b 2} :c)
{:a 1, :b 2}
be sensible consists of this
question and a request for watches that respond to errors.
Thanks, Anand
On Thu, Mar 5, 2009 at 9:34 AM, Anand Patil anand.prabhakar.pa...@gmail.com
wrote:
Excellent point. Yes, get-watches seems like a better option.
Anand
On Thu, Mar 5, 2009 at 3:33 AM
On Wed, Mar 4, 2009 at 12:50 PM, Konrad Hinsen konrad.hin...@laposte.netwrote:
Rich,
is there a reason why metadata is explicitly disabled on function
objects?
I find myself wanting to put metadata on functions frequently. It
seems even more important for functions than for anything else,
On Wed, Mar 4, 2009 at 10:35 AM, Anand Patil
anand.prabhakar.pa...@gmail.com wrote:
Hi Rich,
I like the flexibility of the new watches, but I'm missing a way to
watch for errors. Currently, if an agent's action results in an error
its watchers aren't even triggered.
Thanks,
Anand
Also
On Mar 3, 1:04 pm, Rich Hickey richhic...@gmail.com wrote:
I think it is important to embrace asynchrony and concurrency as
Clojure does. Any Cells-for-Clojure that presumes the world is a
single synchronous chain of events would be a misfit. The whole notion
of a 'current step' is suspect.
On Mar 3, 3:22 pm, Raffael Cavallaro raffaelcavall...@gmail.com
wrote:
On Mar 3, 8:04 am, Rich Hickey richhic...@gmail.com wrote:
If B and C depend on A in such
a way that their values must be coordinated in order to be valid and
consistent, then maybe they shouldn't independently
On Mar 2, 1:16 am, MikeM michael.messini...@invista.com wrote:
Not sure if I understand what you need, but could you build on the
existing capability to send to the current agent: (send *agent* ...) ?
You could have the agent send to itself, then exit the function with
some work left to do
On Mar 1, 10:58 pm, Rich Hickey richhic...@gmail.com wrote:
On Mar 1, 2009, at 1:53 PM, Anand Patil wrote:
I've made futures use the Agents' CachedThreadPool, which should
prevent the thread pool exhaustion (svn 1316). You shouldn't worry
about the expense of the threads, that's why
On Mar 2, 12:48 pm, Rich Hickey richhic...@gmail.com wrote:
On Mar 2, 2009, at 5:15 AM, Anand Patil wrote:
On Mar 1, 10:58 pm, Rich Hickey richhic...@gmail.com wrote:
On Mar 1, 2009, at 1:53 PM, Anand Patil wrote:
I've made futures use the Agents' CachedThreadPool, which should
On Mar 2, 2:34 pm, Anand Patil anand.prabhakar.pa...@gmail.com
wrote:
On Mar 2, 12:48 pm, Rich Hickey richhic...@gmail.com wrote:
On Mar 2, 2009, at 5:15 AM, Anand Patil wrote:
On Mar 1, 10:58 pm, Rich Hickey richhic...@gmail.com wrote:
If you'll bear with me a bit longer- what if I set
Hi all,
My concurrent dabblings in Clojure have been a real pleasure so far.
In terms of concurrency, it's just in a completely different league
from any other language I've tried. However, I think agents could be
made even more friendly by allowing them to temporarily surrender
their place in
Hi Rich,
On Feb 27, 2:57 pm, Rich Hickey richhic...@gmail.com wrote:
I've added (back) synchronous watches (svn 1309+), which used to exist
for agents, now for all reference types.
(defn add-watch
Experimental.
Adds a watch function to an agent/atom/var/ref reference. The watch
fn
Never mind, I get it now.
Thanks,
Anand
On Feb 27, 4:32 pm, Anand Patil anand.prabhakar.pa...@gmail.com
wrote:
Hi Rich,
On Feb 27, 2:57 pm, Rich Hickey richhic...@gmail.com wrote:
I've added (back) synchronous watches (svn 1309+), which used to exist
for agents, now for all reference
Hi all,
I could use a version of 'partial' that would allow me to:
- Partially apply a function to any of its arguments, not just the
first one
- 'Unapply' a partially-applied function from one of its arguments.
Is any such thing already available?
Thanks,
Anand
Thanks for the responses, guys.
- Partially apply a function to any of its arguments, not just the
first one
That's already the case, haven't you made a little test ?
I meant I want to apply it out of sequence, sorry.
You can easily partially apply to other arguments by doing this: #(fred
it.
On Thu, Feb 26, 2009 at 10:24 AM, Anand Patil
anand.prabhakar.pa...@gmail.com wrote:
Hi all,
I could use a version of 'partial' that would allow me to:
- Partially apply a function to any of its arguments, not just the
first one
- 'Unapply' a partially-applied function from one
Sorry, I thought I had pushed 'stop' in time to stop the first
response.
On Feb 26, 4:16 pm, Anand Patil anand.prabhakar.pa...@gmail.com
wrote:
Thanks for the responses, guys.
- Partially apply a function to any of its arguments, not just the
first one
That's already the case, haven't you
On Feb 26, 4:41 pm, mikel mev...@mac.com wrote:
Other people have explained currying and partial application, and why
it doesn't normally spply the feature you want.
I'd be interested in reading about this if you know of a link.
Normally, in a lnaguage that supplies partial application,
Thanks Miʃel,
On Feb 23, 10:15 pm, Michel Salim michel.syl...@gmail.com wrote:
What's the object on which .countDown is called? You need to find
where it's first declared and give it a type annotation.
It's created here:
let [
latch (java.util.concurrent.CountDownLatch. n)
On Feb 24, 1:32 pm, Michel Salim michel.syl...@gmail.com wrote:
On Tue, Feb 24, 2009 at 4:44 AM, Anand Patil
anand.prabhakar.pa...@gmail.com wrote:
Thanks Miʃel,
On Feb 23, 10:15 pm, Michel Salim michel.syl...@gmail.com wrote:
What's the object on which .countDown is called? You need
Hi all,
I'm getting
Reflection warning, line: 150 - reference to field countDown can't be
resolved.
from
(if cell-updated?
(if (not (:updating @cell))
(.countDown latch
Is there any way to get rid of it?
Thanks,
Anand
This blind stab worked... is it correct?
(if cell-updated?
(if (not (:updating @cell))
(.countDown #^java.util.concurrent.CountDownLatch
latch
Thanks,
Anand
On Feb 23, 5:20 pm, Anand Patil anand.prabhakar.pa...@gmail.com
wrote:
Hi all,
I'm getting
Reflection
Hi Tim, thanks for the feedback!
On Feb 21, 11:16 am, Timothy Pratley timothyprat...@gmail.com wrote:
(1) auto-agents by SS in contrib has a more convenient syntax [maybe
you can mimic it]
Agreed, it is nicer. At the moment 'def-cell' is already a stretch for
me, but maybe someday I'll get
.
Thanks,
Anand
On Feb 19, 6:46 pm, Anand Patil anand.prabhakar.pa...@gmail.com
wrote:
Hi all,
I would really appreciate some comments and criticism on
mycellsimplementation, which I've uploaded to this group's files as
dataflow.clj . My goal was to fully exploit the available concurrency
Hi all,
I would really appreciate some comments and criticism on my cells
implementation, which I've uploaded to this group's files as
dataflow.clj . My goal was to fully exploit the available concurrency,
but not do any unnecessary cell evaluations.
My solution is lazy rather than push-based;
Hi all,
Say I have a collection of delays, some of which need to get others'
values in order to compute (there are no cyclic dependencies). If I
just pmap force over the entire collection, do I run the risk of
filling up a thread pool with operations that aren't ready to go yet?
Would it be
Hello again,
In my application, I'll frequently want to quickly discard all the
changes made during a transaction involving many refs. I don't want to
force the refs to roll back to their values at the beginning of the
transaction, I just want to end the transaction immediately and skip
the
On Feb 8, 7:29 pm, Shawn Hoover shawn.hoo...@gmail.com wrote:
On Sun, Feb 8, 2009 at 12:23 PM, Anand Patil
anand.prabhakar.pa...@gmail.com wrote:
Hello again,
In my application, I'll frequently want to quickly discard all the
changes made during a transaction involving many refs. I
On Feb 3, 11:09 pm, Rich Hickey richhic...@gmail.com wrote:
On Feb 3, 4:43 pm, Anand Patil anand.prabhakar.pa...@gmail.com
wrote:
No, it's not. as the docs for preduce say:http://clojure.org/api#preduce
Also note that (f base an-element) might be performed many times
in fact
I agree don't mean to complain. I'm just flagging the issues to make
it easier for whoever goes through the docs after clojure 1.0 is
tagged.
Anand
On Feb 4, 9:45 am, Zak Wilson zak.wil...@gmail.com wrote:
The namespace is correct on clojure.org/api, but there it doesn't
mention that it has
Hi all,
I'm using the system java on Mac OS Leopard, and confused about how to
get the parallel library working. I've got the necessary jar file on
my classpath:
sihpc03:clojure anand$ echo $CLASSPATH
/usr/local/clojure:/Library/Java/Extensions
sihpc03:clojure anand$ ls
OK, I get it:
- parallel.clj writes into the namespace 'clojure.parallel, not
plain 'parallel as written on clojure.org/other_libraries
- parallel.clj needs to be on my path, not my classpath.
That wasn't so bad, but It'll be easier if the examples on the website
were brought up to date.
Hi all,
Messing around with preduce at the REPL I saw this:
user= (defn q [sofar new] (do (print new sofar\n) (+ (+ 1 new)
sofar)))
#'user/q
user= (reduce q 0 [1 2
3])
1 0
2 2
3 5
9
user= (preduce q 0 [1 2
3])
3 2
6 1
8
It looks like preduce takes its arguments in the opposite order from
Thanks Zak,
With the other jar I could load parallel.clj without errors, but I
wasn't able to refer to the parallel namespace as on clojure.org/
other_libraries, nor was preduce present in the user namespace:
user= (load-file parallel.clj)
nil
user= (refer 'parallel)
java.lang.Exception: No
Hi all,
I'd like to repeat my request for an example of definline usage; I
feel I've tried everything.
user= (definline f [x] x)
java.lang.ExceptionInInitializerError (NO_SOURCE_FILE:1)
user= (definline [x] x)
java.lang.NullPointerException (NO_SOURCE_FILE:2)
user= (definline (f [x] x))
On Jan 25, 5:27 pm, Chouser chou...@gmail.com wrote:
On Sun, Jan 25, 2009 at 8:01 AM, Chouser chou...@gmail.com wrote:
On Sun, Jan 25, 2009 at 7:06 AM, Anand Patil
anand.prabhakar.pa...@gmail.com wrote:
I'd like to repeat my request for an example of definline usage; I
feel I've tried
Hi all,
Does anyone have, or know where I can find, simple working examples
showing the use of:
- definline
- defmacro with all the fields, (defmacro name doc-string? attr-map?
([params*] body) + attr-map?)
I get doc-string, but don't understand:
- attr-map
- (...) + attr-map
- the
On Jan 19, 1:05 am, Stuart Sierra the.stuart.sie...@gmail.com wrote:
On Jan 18, 6:56 pm, Anand Patil anand.prabhakar.pa...@gmail.com
wrote:
Would it make any sense to make @ polymorphic so that @x return x's
value when x is a var rather than raising an error?
Actually, it already
On Jan 19, 1:25 pm, Chouser chou...@gmail.com wrote:
On Mon, Jan 19, 2009 at 4:07 AM, Anand Patil
anand.prabhakar.pa...@gmail.com wrote:
Sorry, I was not being clear. Why not just let (deref 5) return 5? I
would consider that syntactic sugar, as it would make it easier to
deref a mixed
Timothy, Stephen and Stuart,
Thanks for three very informative and understandable responses! It's
very encouraging to see that such support is available when
approaching a new language. I look forward to further exploration of
Clojure.
The var/value/symbol relationship continues to be a bit
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