On Sat, Jul 24, 2010 at 3:16 PM, samnardoni wrote:
>
> I have a simple string (or list of characters to be precise) in a form
> of: "1234<5678<<9".
>
> I want to parse this string and end up with: "123569".
>
> The "<" is essentially the same as a "backspace".
>
I think reduce(or fold/foldl' in Ha
> If you're rather looking for overall workflows/program structure/best
> practices etc - good question. :)
I was actually, but the integration with emacs is important, too.
I'll have to get SLIME working.
Thanks.
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Hi Bill,
There are several issues here:
(1) A confusion of record and instance. You are asking for the :list1 field
from foo, the record type, not from an instance of the type.
(:list1 foo) s/b (:list1 MyFoo)
(2) You are ignoring the return value of assoc. Remember, Clojure data
s
All the examples of defrecord I see seem simple enough and when I
experiment in the REPL I get things to work as they should. However,
when I move to 'real' code I can't get it to work at all.
The problem at hand is simple enough - I want to create a record that
hold records. For example I have
The form you're looking for is (defn foo [ & [a b :as c]] ...)
On Jul 27, 2:57 pm, Cameron wrote:
> Hey all, just wondering if this is normal or not. There seems to be
> something weird going on with :as in a functions arg vector.
>
> This little example works as I'd expect...
> user=> (defn foo
Hey all, just wondering if this is normal or not. There seems to be
something weird going on with :as in a functions arg vector.
This little example works as I'd expect...
user=> (defn foo [[a b :as c]] c)
#'user/foo
user=> (foo [1 2])
[1 2]
But this one does not
user=> (defn foo [a b :as c] c)
j
Peter Ryan wrote:
> I am trying to avoid a reflective callback with this function:
>
> (defn unsign-byte-from-buffer [#^java.nio.ByteBuffer buffer]
> (bit-and 0xFF (.get buffer)))
>
> (println "should be 254" (unsign-byte-from-buffer (java.nio.ByteBuffer/
> wrap (byte-array [(byte 0xFE)]
>
The snippet below works fine
GraphDatabaseService neo = new EmbeddedGraphDatabase(dbpath);
MetaModel model = new MetaModelImpl((NeoService) neo);
Where MetaModelImpl expects a NeoService
trying to do the same thing in clojure
(let [^NeoService neo (EmbeddedGraphDatabase. dbpath)
model (Met
Josh Stratton wrote:
> Are there any tutorials specific to developing and debugging large
> clojure apps through the REPL?
While some people seem to really love going through the REPL all the
time, personally I prefer something a little more integrated with my
editor. I use the above mentioned swa
> I, however, have still been doing a more traditional
> write/save/execute debugging workflow without the REPL, which doesn't
> seem to get the real benefits of the REPL. From what I understand,
> when you take full advantage of the REPL, you can quickly tweak things
> in the code like if a funct
I think one of the major advantages touted by languages like clojure
are faster development times by adding to the program as you go via
the REPL.
I, however, have still been doing a more traditional
write/save/execute debugging workflow without the REPL, which doesn't
seem to get the real benefit
I am trying to avoid a reflective callback with this function:
(defn unsign-byte-from-buffer [#^java.nio.ByteBuffer buffer]
(bit-and 0xFF (.get buffer)))
(println "should be 254" (unsign-byte-from-buffer (java.nio.ByteBuffer/
wrap (byte-array [(byte 0xFE)]
when run with (set! *warn-on-refl
> I am getting a lot further now, but still running into OutOfMemory
> errors sometimes. And it is still the case that once I have suffered
> an OutOfMemoryError, they keep coming. It does feel as if there must
> be some large memory leak in the emacs/lein swank repl. Is this a
> recognised iss
Thanks Sean, your first suggestion was a very good one :)
Tweaking JVM settings feels like advanced magic, and I am a little
surprised that it is necessary at such an early stage in my Clojure
journey. But googling confirms that the default JVM settings are
miserly to an extreme, and I need at le
Thanks! but not entirely convinced. At my REPL:
user> (repeatedly 10 #(do (print "f") [(rand-int 10)]))
(ff[0] f[8] f[5] f[7] f[1] f[6] f[7] f[3] f[3] [0])
user> (take 5 (apply concat (repeatedly 10 #(do (print "f") [(rand-int
10)]
(7 1 f6 f5 8)
Only six "f"s... so doesn't that mean th
Dave Snowdon wrote:
> ; helper function that splits a collection into halves
> (defn halve [coll]
> (let [len (count coll), hl (- len (/ len 2))]
> [(take hl coll) (drop hl coll)]
> )
> )
>
> ; takes a value and an ordered sequence and returns the index of the value
> or -1
> (defn chop
I thought this was pretty awesomely informative, including the
deployment to Amazon Cloud. I already playing through and doing
development with Compojure and Hiccup, and I found a lot of new things
in here for me to investigate and potentially put to good use.
--
Savanni
On Sat, 2010-07-24 at 00
Yes, it would be great to see example of any program, that passed all tests
on spoj written in clojure. Even if first task has got TLE...
> On Jul 25, 12:34 pm, Cachou wrote:
> > Even the "TEST" Problem will TLE!!!
> >
>
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Hi,
I would like to ask if there is a way to log SQL generated by
clojure.contrib.sql to console for inspection.
Thanks.
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Note that posts fr
Has anyone been able to do something similar to lein uberjar using
Enclojure? I always end up with the message:
[WARNING] JAR will be empty - no content was marked for inclusion!
This happens even if I make a new project where:
1) Create a project with lein new myproject
2) Edit the project (e.
Hi folks
I've just started teaching myself clojure and for lack of a "real" project
to use it on I've been using the "code kata" on pragprog.com as example
problems to solve.
I've implemented the binary search as described here:
http://codekata.pragprog.com/2007/01/kata_two_karate.html however I'm
And on nearly all problems Clojure isn't an accepted language (yet?).
Does the person who submitted the problem has to update this?
-matthias
On Jul 25, 12:34 pm, Cachou wrote:
> Even the "TEST" Problem will TLE!!!
>
> My code is here:
>
> (ns spoj-test)
>
> (defn read-int
> []
> (let [s (re
>> Here is my function:
>> (defn json-seq []
>> (apply concat
>> (map #(do (print "f") (str/split (slurp %) #"\nStatusJSONImpl"))
>> out-files)))
>
> Try removing the "apply concat" at the front, I'm pretty sure that's
> making your sequence non-lazy.
Correct me if I'm wrong
On Mon, Jul 26, 2010 at 9:53 AM, atucker wrote:
> Here is my function:
> (defn json-seq []
> (apply concat
> (map #(do (print "f") (str/split (slurp %) #"\nStatusJSONImpl"))
> out-files)))
Try removing the "apply concat" at the front, I'm pretty sure that's
making your seque
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