On Oct 21, 9:14 pm, John Harrop wrote:
> You probably therefore want this instead:
>
> (defn multi-filter [filters coll]
> (let [c (count filters)
> ignore (Object.)]
> (map
> (fn [i]
> (remove #(= % ignore)
> (take-nth c
> (drop i
>
Thanks for the help!
I created a small function, which convert the nodes of a nested
collection to strings:
(defn rec-to-strs [f]
"recursively change parameters to strings"
(vec (for [c f]
(if (coll? c)
(vec (rec-to-strs c))
(str c)
I use this function from a macro as
On 23 Oct 2009, at 22:00, Konrad Hinsen wrote:
> For matrix computations and linear algebra, your best choice is
> probably
> the Colt library developed at CERN, or the somewhat parallelized
> version called Parallel Colt. Colt has arrays up to three dimensions
> for
> a couple of data types
It's difficult to provide advice without more information about your
current code. You say that you want a part of your system, which
manipulates a lot of objects, to run in parallel. Do you mean that you
want this part of the system to run parallel to the other parts -or-
do you mean that this pa
I gave a talk on STM at a conference in St. Louis called "Strange
Loop" last Thursday.
1 up and 2 up PDF versions of the slides are available at
http://ociweb.com/mark/stm/.
The talk was videotaped. I'll send another email when that is available.
Feedback is welcomed! I'll update the slides if nee
Thanks a lot! I didn't know about the existence of gensym. This will
help a lot.
On Oct 23, 9:54 pm, John Harrop wrote:
> On Sat, Oct 24, 2009 at 12:19 AM, samppi wrote:
> > user=> (defmacro b [form]
> > (let [processed-form (a form rec#)]
> > `(fn [rec#] processed-form)))
> > java.lang.Exc
On Sat, Oct 24, 2009 at 2:43 PM, samppi wrote:
> Thanks a lot! I didn't know about the existence of gensym. This will
> help a lot.
You're welcome.
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>From my perspective, having the forms be flatter (less nested) and
having the call to the extend-dom function be at the outermost level
is the most readable.
On Fri, Oct 23, 2009 at 1:20 PM, Meikel Brandmeyer wrote:
> Hi,
>
> Am 23.10.2009 um 21:16 schrieb Howard Lewis Ship:
>
>> Here's what I
for anyone who has this same problem. The only solution that I've
gotten so far that works is to use a java file that launches my
clojure files. I'm still looking for a better way to do this.
Here is the code for the launcher.
import java.io.OutputStreamWriter;
import java.io.IOException;
impor
> for anyone who has this same problem. The only solution that I've
> gotten so far that works is to use a java file that launches my
> clojure files. I'm still looking for a better way to do this.
I've had success on several projects with:
(ns com.foo.bar
(:refer-clojure)
(:gen-class))
Baishampayan Ghose writes:
> Hello,
>
> I was trying to download a zip file using clojure.contrib.http.agent and
> writing it to a file using clojure.contrib.duck-streams.
>
> Apparently the zip file is getting corrupt because I was trying to treat
> the stream as a string.
>
> Is there any way
I suspect the code below can be improved. The function returns the set
of all symbols inside a list-tree that are not at the beginning of a
list. Is there a way to make the code more compact or faster?
(with-test
(defn- find-dependencies
[rel-rep]
(cond
(list? rel-rep)
(le
This is a slightly faster and somewhat shorter version:
(defn find-dependencies2
[rel-rep]
(set (filter symbol? (tree-seq seq? rest rel-rep
- James
On Oct 24, 9:55 pm, samppi wrote:
> I suspect the code below can be improved. The function returns the set
> of all symbols inside a list-
Jeez, that's amazing. Thanks a lot; I had no idea that trees-seq
existed. I keep getting surprised by Clojure.
On Oct 24, 2:05 pm, James Reeves wrote:
> This is a slightly faster and somewhat shorter version:
>
> (defn find-dependencies2
> [rel-rep]
> (set (filter symbol? (tree-seq seq? rest
After reading your PDF, I now understand what Clojure means by the
term "coordinate". Thanks a lot!
--
coordinating activities of multiple actors (i.e. transactions)
• may want to send messages to multiple actors within a txn
and guarantee that either all messages are proc
Thanks for your replies. You've been very helpful.
On Oct 24, 1:36 pm, Konrad Hinsen wrote:
> On 23 Oct 2009, at 22:00, Konrad Hinsen wrote:
>
> > For matrix computations and linear algebra, your best choice is
> > probably
> > the Colt library developed at CERN, or the somewhat parallelized
On Sat, Oct 24, 2009 at 10:50 PM, Richard Newman wrote:
>
>> for anyone who has this same problem. The only solution that I've
>> gotten so far that works is to use a java file that launches my
>> clojure files. I'm still looking for a better way to do this.
>
> I've had success on several projec
I'm confused about the slide on barging:
"txnB has a status of RUNNING and can be changed to KILLED".
Are you implying that simply having a status of RUNNING is all that is
required for the txn to be killed?
Or, are there other requirements to "can be changed"?
I'm having a hard time wrapping m
Hadn't seen it posted here yet:
http://sicpinclojure.com/
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I have a huge file(>900MB) that I would like to read/process in
chunks.
In clojure, i can grab the first n lines nicely:
(with-open [r (reader "FILE")] (str-join ", " (take n (line-seq r
How can i grab the first n lines starting from an line offset? ex,
grab lines 5 to 10 rather than just t
> In clojure, i can grab the first n lines nicely:
> (with-open [r (reader "FILE")] (str-join ", " (take n (line-seq r
>
> How can i grab the first n lines starting from an line offset? ex,
> grab lines 5 to 10 rather than just the first 5.
(with-open [r (reader "FILE")]
(str-join ", "
On Sat, Oct 24, 2009 at 10:19 PM, Robert Stehwien wrote:
> Hadn't seen it posted here yet:
> http://sicpinclojure.com/
>
Are they looking for help writing Clojure versions of the Scheme code
snippets?
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You received this message because you are
Jim was working on logic programming in Clojure up to a few months
ago, and it seems as if the concern was that the code was too
derivative.
I have recently made available a Scala-based Kanren implementation;
the differences between Scala and Scheme means that the code is
sufficiently original. M
> If all you need is a statistical or array-processing language like MATLAB,
> my frank view is you're best off staying in R, or Mathematica, or MATLAB, or
> Octave, or whatever... they're mature and great at what they do (Mathematica
> most of all ;-) ). The reason you might want to use Clojurati
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