"lein": I just use "lein new MyProject" then "lein pom" and open the pom in
Netbeans. Thus I have both lein and Enclojure. The drawback is that you have
to run "lein pom" every time you change the project dependencies (in the
lein project.clj).
"Loosing settings": I observed that too in rare circu
I use it with Netbeans 6.9.1 . Usually it takes some time for Enclojure to
be adapted to the latest Netbeans.
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Protocols don't support varargs. You've defined a protocol with two
methods named say: one takes one argument named a, the other takes
three arguments named a, &, and b.
Protocols are for describing a very minimal set of functionality
needed to implement some richer feature set; the idea is that y
Hello everybody,
when we give an empty vector of seq-exprs to doseq it returns the value of
the last s-expression.. but returns nil when the
vector-of-seq-exprs is not empty.. may be this is the expected behaviour ..
but the documentation states otherwise ..
Sunil.
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I upgraded lein from 1.3.1 to 1.4.2, which fixed the problem.
:)
On Jan 10, 6:47 am, Stefan Kamphausen wrote:
> Hi,
>
> I can't verify that a REPL created by lein behaves differently. Did you
> perhaps update an old project.el without running lein deps?
>
> In addition to that: your defproject h
Hi all,
I tried another implementation of 'merge-with' using nested calls to
'reduce'. However,
I just cannot get it to work correctly:
(defn my-merge-with [f & maps]
(when (some identity
maps)
(reduce
(fn [acc m]
(reduce
(fn [_ [key val]]
(assoc acc key (if-le
I have defined a protocol with overload methods,and one has varargs:
(ns test)
(defprotocol Say
(say [this a] [this a & b] "say hello"))
(defrecord Robot []
Say
(say [this a] (println (str "hello," a)))
(say [this a & b] (println b)))
Then ,i new a robot and say something:
(let [ r (Robo
On Wed, Jan 19, 2011 at 6:48 PM, ka wrote:
> Running in VisualVM suggests that % of Used Heap is actually very
> less. So the problem is that GC isn't running often enough, so the JVM
> has to keep allocating more memory.
Odd. I'd expect the JVM to run a GC immediately before reporting that
the
To me this looks totally fine, max-key should keep at most two
sequences in memory. I don't think there should be any difference
between the non-lazy and lazy versions as the depth of cseq is ~500.
The non-lazy version works for me (no heap error) for inputs 1M, 2M,
4M, but for 4M the java process
That completes without giving me any error.
I'm using clojure 1.2.0 on OS X 10.6.6, and the JVM is 1.6.0_22.
On Jan 19, 1:42 am, Andreas Liljeqvist wrote:
> Reposting this from earlier mail about Euler 14.
>
> (defn cseq [n]
> (if (= 1 n)
> [1]
> (cons n (cseq (if (even? n)
>
Hi, thanks for your reply.
I was missing a .telnet in my import :(
Noobness struck again!
Andreas
On 20/01/2011, at 11:06 AM, Luc Prefontaine wrote:
> You need to import the classes from that library and then wrap them up
> with some Clojure code.
>
> Here a snippet:
>
> (ns myname.space
> (
You need to import the classes from that library and then wrap them up
with some Clojure code.
Here a snippet:
(ns myname.space
(:import (org.apache.commons.logging LogFactory Log)) ;; Import from
commons-logging the LogFactory and Log classes
)
...
;;
;; Get a logger for the current na
The core actually wouldn't have to be modified, as it already does
something similar. After all, the function 'use' already does it - if
we 'use' error-kit, it adds to the symbol map (seen by (ns-refers
*ns*)) a map from the symbol to the actual var in error-kit. Thus, in
ns A where we have used er
Hi All,
Can someone please tell me how to import the Apache commons net
library? I'm using leiningen. The project.clj looks like this:
(defproject clojure-scheme "1.0.0-SNAPSHOT"
:description "FIXME: write"
:dependencies [[org.clojure/clojure "1.2.0"]
[org.clojure/clojure-contr
Let me also recommend swannodette's excellent Enlive tutorial:
https://github.com/swannodette/enlive-tutorial
It's a great way to jump into the meat and potatoes.
m
On Tue, Jan 18, 2011 at 7:05 PM, justinhj wrote:
> Thanks for the feedback Stuart
>
> I'll check out Enliven. I'm currently writi
I've always wanted to have an in-game scripting console that has
access to some of the functionality I'm used to in emacs, like
paredit. This would actually be really useful in achieving this, I
think!
On Jan 19, 1:44 am, Laurent PETIT wrote:
> Hello,
>
> 2011/1/18 Olek
>
> > Hi,
>
> > Here is a
On Wed, Jan 19, 2011 at 09:15, rygorr wrote:
> This was it. The overhead was in creating the handle.
>
>
I can't remember who told me this: "Always blame the network".
In finer detail, the conversation was about things that use the network and
are so very much slower than you anticipate.
--
Y
This was it. The overhead was in creating the handle.
When I moved the doseq inside the with-connection it solved the problem.
Thanks
On Jan 19, 2011, at 7:24 AM, Meikel Brandmeyer wrote:
> Hi,
>
> On 18 Jan., 19:32, rygorr wrote:
>
>> (doseq [x (range 2000)]
>> (with-connection db
>>
There appears to be a bug in "walk" when there is an empty folder somewhere
beneath the specified directory. I've only tested this on Win XP but this
triggers a NullPointerException on fs 0.4.0:
(walk "c:/empty" (fn [& a] true))
No message.
[Thrown class java.lang.NullPointerException]
Re
user> (defn cseq [n]
(if (= 1 n)
[1]
(lazy-seq (cons n (cseq (if (even? n)
(/ n 2)
(+ (* 3 n) 1 )))
#'user/cseq
user> (count (apply max-key count (map cseq (range 1 100
525
user> (first (apply max-key count (map cseq (range 1 100
83
>
> I have one question, is there any documentation available for the
> functions provided by fs? I would love a place where I could go to scan
> the available functions, other than the source code.
>
https://bitbucket.org/tebeka/fs/src
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Hi,
Am 19.01.2011 um 21:24 schrieb B Smith-Mannschott:
> This is a retarded 'convention', and it isn't really much of a
> convention at that. Just because Clojure itself has a 'core.clj',
> doesn't mean everyone else needs one now too. I blame Leiningen's
> defaults. For counter-examples, take a
On Wed, Jan 19, 2011 at 15:30, Rayne wrote:
> It isn't nearly as big a deal as you think it is. I'm guessing you have a
> single file called 'fs.clj' with the namespace 'fs', right?
> mkdir src/fs/
> mv src/fs.clj src/fs/core.clj
>
> and then edit the file and change the namespace to fs.core. Why
Miki writes:
>> It isn't nearly as big a deal as you think it is. I'm guessing you have a
>> single file called 'fs.clj' with the namespace 'fs', right?
>>
>> mkdir src/fs/
>> mv src/fs.clj src/fs/core.clj
>>
> and then edit the file and change the namespace to fs.core.
>
> I know it's easy to
On Tue, Jan 18, 2011 at 12:22 AM, Nick Brown wrote:
> Hi, I'm wondering if there is a good way to test if a given sequence
> is lazy, and if so, how much of it has been evaluated. I know the
> fact that it is lazy should be transparent, but I'm thinking in the
> context of unit testing knowing th
> It isn't nearly as big a deal as you think it is. I'm guessing you have a
> single file called 'fs.clj' with the namespace 'fs', right?
>
> mkdir src/fs/
> mv src/fs.clj src/fs/core.clj
>
and then edit the file and change the namespace to fs.core.
>
I know it's easy to do, I just don't think
> (defn cseq [n]
> (if (= 1 n)
> [1]
> (cons n (cseq (if (even? n)
> (/ n 2)
> (+ (* 3 n) 1 ))
>
> (apply max-key count (map cseq (range 1 100)))
>
> Gives a heap error.
> cseq is at most 525 elements long.
>
The solution is much more than 525 (> 80).
2011/1/19 Luc Prefontaine
> Ken,
>
> It's always easy to complain and you seem excellent at it.
> However, to investigate any problem, hard facts are needed to
> support the fixing process.
>
> There are little facts reported in your emails about the problems you
> experienced according to you re
Hi,
On 18 Jan., 19:32, rygorr wrote:
> (doseq [x (range 2000)]
> (with-connection db
> (insert-values :test
> [:value] [x])))
> db is the com.mysql.jdbc.Driver connection string.
Move the with-connection outside the doseq.
(with-connection db
(doseq [x (range
I suspect that ClojureQL and with-connection are opening and closing
the connection for every query, whereas the Java and Perl versions are
reusing their connections.
Try adding a connection pool to the mix.
On Tue, Jan 18, 2011 at 19:32, rygorr wrote:
> I'm currently doing some preliminary perf
> I'm big, mean and I hate prima donnas. You would not even try to use that
> tone with a guy like me.
I can vouch for that!
Regards,
BG
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Ken,
It's always easy to complain and you seem excellent at it.
However, to investigate any problem, hard facts are needed to
support the fixing process.
There are little facts reported in your emails about the problems you
experienced according to you regarding ccw.
Not reading wiki pages avail
Aren't you a developer? I am. I think everybody else here is as well.
If a code.google link is the top of google results, that's what I'm
going to click and check out first. code.google is a project hosting
site, not just a place to throw up code and developer discussion. It
offers wiki services, d
It isn't nearly as big a deal as you think it is. I'm guessing you have a
single file called 'fs.clj' with the namespace 'fs', right?
mkdir src/fs/
mv src/fs.clj src/fs/core.clj
and then edit the file and change the namespace to fs.core. Why is that such
a big deal? I understand that you're c
2011/1/19 Ken Wesson
> On Wed, Jan 19, 2011 at 8:49 AM, Laurent PETIT
> wrote:
> > 2011/1/19 Ken Wesson
> >> On Wed, Jan 19, 2011 at 4:06 AM, Laurent PETIT >
> >> wrote:
> >> > 2011/1/18 Ken Wesson
> >> >> On Tue, Jan 18, 2011 at 1:07 PM, Stuart Sierra
> >> >> wrote:
> >> >> > You're not rea
On Wed, Jan 19, 2011 at 8:49 AM, Laurent PETIT wrote:
> 2011/1/19 Ken Wesson
>> On Wed, Jan 19, 2011 at 4:06 AM, Laurent PETIT
>> wrote:
>> > 2011/1/18 Ken Wesson
>> >> On Tue, Jan 18, 2011 at 1:07 PM, Stuart Sierra
>> >> wrote:
>> >> > You're not really aliasing the Vars, you're creating new
2011/1/19 Ken Wesson
> On Wed, Jan 19, 2011 at 4:06 AM, Laurent PETIT
> wrote:
> > 2011/1/18 Ken Wesson
> >>
> >> On Tue, Jan 18, 2011 at 1:07 PM, Stuart Sierra
> >> wrote:
> >> > You're not really aliasing the Vars, you're creating new Vars and
> >> > copying
> >> > the root values from the o
On Wed, Jan 19, 2011 at 5:13 AM, Laurent PETIT wrote:
>
>
> 2011/1/18 Ken Wesson
>>
>> On Tue, Jan 18, 2011 at 1:14 PM, Chas Emerick
>> wrote:
>> > Any tone you might have picked up from Laurent might be a reaction to
>> > your ranting about how ccw is apparently rubbish rather than asking for
>
Thanks for everyone's feedback. Sound like the code, in general, is
basically right. Probably some of the issues that I'm having with the
code comes from simply not being terribly familiar with reading
clojure code.
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Reposting this from earlier mail about Euler 14.
(defn cseq [n]
(if (= 1 n)
[1]
(cons n (cseq (if (even? n)
(/ n 2)
(+ (* 3 n) 1 ))
(apply max-key count (map cseq (range 1 100)))
Gives a heap error.
cseq is at most 525 elements long.
2011/1/17 Mark E
On Wed, Jan 19, 2011 at 4:06 AM, Laurent PETIT wrote:
> 2011/1/18 Ken Wesson
>>
>> On Tue, Jan 18, 2011 at 1:07 PM, Stuart Sierra
>> wrote:
>> > You're not really aliasing the Vars, you're creating new Vars and
>> > copying
>> > the root values from the originals.
>> > This leads to subtle bugs
On Jan 18, 2011, at 8:54 PM, Lee Spector wrote:
> Also BTW I saw no clear performance improvement (relative to the overall
> runtime of my system); some numbers on that are also below.
A perf differential will be seen if slot access is a significant portion of the
algorithms in question. IIRC
Hi Shantanu,
Good questions.
> Can you share some details about the language selection process? Was it based
> on developers consensus or it was a purely management decision? Was the
> presence or absence of enough number of Clojure/Scala experts in the team
> influential on the eventual decis
2011/1/18 Ken Wesson
> On Tue, Jan 18, 2011 at 1:14 PM, Chas Emerick
> wrote:
> > Any tone you might have picked up from Laurent might be a reaction to
> your ranting about how ccw is apparently rubbish rather than asking for
> help.
>
> Well, excse me for assuming,
Another day, less tired
2011/1/19 Meikel Brandmeyer
> Hi,
>
> On 19 Jan., 00:28, Luc Prefontaine
> wrote:
>
> > Can you provide the plugin list from Eclipse ? (About -> Installation
> > details)
>
> A while back I ran into a similar problem: a fresh install of eclipse
> + only ccw didn't work on my machine. Mysteriousl
Hello,
2011/1/18 Olek
> Hi,
>
> Here is a link: http://code.google.com/p/textmash/
>
> Some time ago I have written it in order to help accomplish a task of
> creating some paraller processing system written entirely in Clojure
> (it was the map reduce framework from Google).
>
> It was also us
2011/1/18 Ken Wesson
> On Tue, Jan 18, 2011 at 1:07 PM, Stuart Sierra
> wrote:
> > You're not really aliasing the Vars, you're creating new Vars and copying
> > the root values from the originals.
> > This leads to subtle bugs when the original Vars are dynamically rebound
> or
> > redefined. T
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