On Feb 6, 12:18 am, David Nolen dnolen.li...@gmail.com wrote:
(prefer-method frob ::idea ::thing)
(prefer-method [::runtime-tag1 ::idea] [::runtime-tag1 ::thing])
(prefer-method [::runtime-tag2 ::thing] [::runtime-tag2 ::idea])
Provide a dispatch fn that extracts the runtime tag.
Hello,
I have a problem for implementing the auto-compile feature of clojuredev
eclipse plugin.
My problem is that it seems that the function 'compile returns very fast to
the clojure dev builder, and when the builder refreshes the workspace
(operation needed to see the newly compiled classes),
hello,
samppi a écrit :
I tried asking about this yesterday, but it seems like I expressed my
problem poorly. Anyways, here's another shot. :)
(declare value)
(def array (conc array-start value array-sep value array-end))
(def value (alt array bit))
You can get your code to work by
Rich Hickey wrote:
On Feb 4, 10:36 pm, Conrad drc...@gmail.com wrote:
It is useful to build a map from a list of keys and a value generator
function. Of Course, such a function is easy to write:
(defn genmap [keys fun]
(zipmap keys (map fun keys)))
In fact, it seems so useful that
Tim
You could even embed a REPL into your
application with a socket back-door, connect to it and really have fun
with your users.
I am interested, could you make a rough patch for me to draw some
inspiration from
Emeka
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I'm in Colorado Springs. I'm pretty new to Clojure, but totally sold
on it.
On Feb 5, 12:39 pm, chris cnuern...@gmail.com wrote:
Are there any existing clojure users in the Denver/Boulder area (other
than me)?.
Chris
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On Feb 6, 2009, at 8:28 AM, Stephen C. Gilardi wrote:
When *reload-all* is true, RT.load() will (re)load all libs from
their .clj files even if they're already loaded.
To clarify:
When *reload-all* is true, RT.load will (re)load any lib it is asked
to load from the lib's .clj file even
Hello,
Does it also mean that the following use case will work with *reload-all* :
- x.y.z is a lib that is made of two files : x/y/z.clj, and x/y/z1.clj , and
z.clj loads z1.clj
- x.y.z is compiled
- z1.clj is modified
- x.y.z is compiled = even if x/y/z.clj nor x/y/z__init.class are in sync,
Hi Sergio,
I have been using JProfiler with the IntelliJ Clojure plugin. The
combination seems to work fine, except that JProfiler does not know how
to display Clojure source code associated with a function. However,
there is enough information displayed that you can do it trivially.
Peter
I'd vote for that -- after the powers that be are happy with a name.
It would be very useful to me.
On Fri, Feb 6, 2009 at 9:43 AM, Chouser chou...@gmail.com wrote:
On Thu, Feb 5, 2009 at 3:08 PM, Jeffrey Straszheim
straszheimjeff...@gmail.com wrote:
Is there a reason the assert-args macro
I have been trying out the YourKit profiler and I think it's great.
However, my evaluation license is going to expire soon and being a
student I can't purchase (even the academic) license right now.
I have tried profiler4j and it is usable but it isn't working 100%
right with clojure (in my
require and use support a :reload-all flag that is intended to
cause the specified libs to be reloaded along with all libs on which
they directly or indirectly depend. This is implemented by temporarily
binding a loaded-libs var to the empty set and then loading the
specified libs.
AOT
you can also use map destructuring.
(defn x [{:keys [a b c]}]
[a b c])
user= (x {:a 1 :b 2 :c 3})
[1 2 3]
On Fri, Feb 6, 2009 at 7:52 AM, Jeffrey Straszheim
straszheimjeff...@gmail.com wrote:
That is remarkably simple and elegant.
On Fri, Feb 6, 2009 at 10:20 AM, Stuart Sierra
Stuart Sierra a écrit :
No, but there is a pattern for keyword args:
(defn my-function [ args]
(let [options (apply hash-map args)]
...))
Then you can call (my-function :keyword value :keyword2 value)
And you can use destructuring to add support for defaults value:
(defn my-function
Christophe Grand a écrit :
(def array (delay (conc array-start value array-sep value array-end)))
or:
(def array (conc array-start (delay value) array-sep (delay value)
array-end))
and you don't need the call-rule helper.
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You
Got startup time down to 5 seconds by completely eliminating the use
of lispreader and putting of loading the xml, set and zip namespaces.
There's no clear bottlenecks left to fix.
On Fri, Feb 6, 2009 at 1:06 AM, Remco van 't Veer rwvtv...@gmail.com wrote:
I've managed to get to startup time
Thanks for the reply. I've tried delays, but it seemed to make my
functions much slower. I think I'm going to go with var-quoting—it
seems to be the least intrusive option, and it definitely works. My
nightmare is finally over. :)
I wonder if there's a way to make a macro make even this unneeded
I looked into this briefly; I'm amazed at the progress you've made. Please
keep updating!
On Fri, Feb 6, 2009 at 11:29 AM, Remco van 't Veer rwvtv...@gmail.comwrote:
Got startup time down to 5 seconds by completely eliminating the use
of lispreader and putting of loading the xml, set and zip
Hi all
As my first Clojure project, I decided to finally solve one of
humanity major problems - Sudoku!
Here is the source
http://code.google.com/p/sudoku-solver/source/browse/trunk/sudoku-solver.clj
I would appreciate your comments.
Thanks Konrad for useful tips.
What is the simplest way to
samppi a écrit :
Thanks for the reply. I've tried delays, but it seemed to make my
functions much slower. I think I'm going to go with var-quoting—it
seems to be the least intrusive option, and it definitely works. My
nightmare is finally over. :)
I wonder if there's a way to make a macro
I've updated this patch, eliminating the performance hit I introduced
for concatenation of stdout stderr when they're byte arrays (turns
out it was significant). Let me know if there's anything else I can
do.
Perry
http://code.google.com/p/clojure-contrib/issues/detail?id=23
You can also provide the unicode directly to the reader with \u,
e.g., \u0426.
On Feb 4, 11:24 pm, Terrence Brannon metap...@gmail.com wrote:
How do you write a unicode character in clojure?
Or properly put: what form do you provide the reader so that it
produces a unicode character as
(defn mash
Reduce a seq-able to a map. The given fn should return a 2-element tuple
representing a key and value in the new map.
[f coll]
(reduce
(fn [memo elem]
(let [[k v] (f elem)]
(assoc memo k v)))
{} coll))
I called this map-map in my utilities. Mine
+1 for the EAP of YourKit. It will expire every now and then, but you
just download the new version.
The only problem I have is that as far as I can figure out, it can't
display source code associated with a function either. This is
usually fine, except for that it can be impossible to figure
The doc string of apply says:
([f args* argseq])
Applies fn f to the argument list formed by prepending args to
argseq.
This looks like I could pass in several argument PLUS one sequence of
arguments, which just happens to be what I want in a specific case.
But it doesn't
On Fri, Feb 6, 2009 at 1:19 PM, Konrad Hinsen konrad.hin...@laposte.netwrote:
The doc string of apply says:
([f args* argseq])
Applies fn f to the argument list formed by prepending args to
argseq.
This looks like I could pass in several argument PLUS one sequence of
Attached is a patch to add a warn-on-reflection option to
clojure.lang.Compile. In short, if the clojure.compile.warn-on-
reflection system property is set to true, then *warn-on-reflection*
is set to true for the duration of the compile process for the libs
specified as command line args.
On Feb 6, 2009, at 1:33 PM, Chas Emerick wrote:
Attached is a patch to add a warn-on-reflection option to
clojure.lang.Compile. In short, if the clojure.compile.warn-on-
reflection system property is set to true, then *warn-on-reflection*
is set to true for the duration of the compile
Hello, how do I do this elegantly?
I have a Clojure Map = {:foo foo :bah 3 ... }
and I need to pass it to a Java method that is expecting a
MapString,Object = { foo -- foo , bah -- 3 ...}
How does one convert a Clojure Map to the equivalent Java Map? I bet I
could do it in one line if I
Done: http://code.google.com/p/clojure/issues/detail?id=67
Sorry, I'm not with it yet on the new Google Code workflow. :-)
- Chas
On Feb 6, 1:53 pm, Rich Hickey richhic...@gmail.com wrote:
On Feb 6, 2009, at 1:33 PM, Chas Emerick wrote:
Attached is a patch to add a warn-on-reflection
AFAIK no conversion may be necessary, since Clojure maps are Java
maps.
user (instance? java.util.Map {:foo foo :bah 3})
true
The only exception would be if your method expects a mutable map. In
that case,
user (HashMap. {:foo foo :bah 3})
#HashMap {:foo=foo, :bah=3}
-Jason
On Feb 6,
hello
Peter Wolf a écrit :
Hello, how do I do this elegantly?
I have a Clojure Map = {:foo foo :bah 3 ... }
and I need to pass it to a Java method that is expecting a
MapString,Object = { foo -- foo , bah -- 3 ...}
How does one convert a Clojure Map to the equivalent Java Map? I bet I
Oops, missed the String key part -- go with Christophe's answer,
perhaps coupled with the second half of mine.
-Jason
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Hello,
I could test the patch, it works really well. With it, no need to implement
periodic polling, which is really a bad solution when on e can avoid it!
Still don't know if there could be a performance impact that would require
to have this as an optional behaviour.
Rich, please do you think
Thanks! I hadn't seen the EAP option =) I'm going to go with that.
On Feb 6, 11:57 am, Jason Wolfe jawo...@berkeley.edu wrote:
+1 for the EAP of YourKit. It will expire every now and then, but you
just download the new version.
The only problem I have is that as far as I can figure out, it
So, I notice that when you create a hash you do this:
{ :key-1 value-1 :key-2 value-2 ... etc ... }
But when you destructure a hash, you do this:
{ formal-1 :key-1 formal-2 :key-2 ... etc ... }
Is there a reason the order is reversed?
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You
On 06.02.2009, at 19:22, Shawn Hoover wrote:
This seems to work correctly:
user (apply + 1 2 3 [4 5])
15
Is that what you're looking for?
Exactly - except that it doesn't work for me!
Konrad.
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Hi,
I'm trying to write a macro that outputs a symbol without attempting
to resolve it and would appreciate some pointers.
eg. I wrote a function that accepts a symbol as an argument
(defn print_symbol [a]
(println a))
which can be called like this: (print_symbol 'mysymbol)
But I want to
(defmacro print_symbol [s] `(quote ~s))
You should consider downloading on lisp by Paul Graham from this page :
http://www.paulgraham.com/onlisptext.html
You'll learn everything you want to know about macros (it's in Common Lisp,
but I think it is understable with just a clojure background,
On Feb 6, 7:27 am, David Nolen dnolen.li...@gmail.com wrote:
Yuck. Instead of defining a method on ::idea, you now must define a
method on [something-that-has-no-meaning-in-context ::idea] (because
the dispatch function must now return a vector, which means the
defmethods must now be
Hello, not related to your question, but you should consider renaming your
file sudoku_solver to make it compiler friendly.
Concerning your question, I think there have been some answers recently on
the ml. Sorry I don't remember the links exactly.
Regards,
--
Laurent
2009/2/6 Tzach
I am. but that was also an attempt to (possibly) answer a question with a
question.
On Fri, Feb 6, 2009 at 7:28 PM, Raoul Duke rao...@gmail.com wrote:
hi,
On Fri, Feb 6, 2009 at 4:24 PM, e evier...@gmail.com wrote:
What;s Ralph all about? You've certainly peaked my interest.
google it
On Feb 6, 2:02 pm, Peter Wolf opus...@gmail.com wrote:
How does one convert a Clojure Map to the equivalent Java Map? I bet I
could do it in one line if I knew the magic.
To convert all keys to strings, there's clojure.contrib.walk/stringify-
keys.
-Stuart Sierra
Perfect. This is exactly what I need. Thank you. :)
I wonder, is it customary to append an * to the names of functions
that do the grunt work of corresponding macros?
On Feb 6, 10:03 am, Christophe Grand christo...@cgrand.net wrote:
samppi a écrit :
Thanks for the reply. I've tried delays,
We'd just have to write our own JVM of course. ;)
On Feb 6, 6:19 pm, mikel mev...@mac.com wrote:
What happens to Clojure if something bad happens to the JVM?
It's not that I think the JVM is going away any time soon. Sure, Sun
looks kind of shaky right now, but there are alternative sources
Hmm, for example, this does not work:
([:spinoza/object :spinoza-example-three/serializable] (methods archive))
I get the following exception:
java.lang.IllegalArgumentException: Key must be integer
even though:
(= [:spinoza/object :spinoza-example-three/serializable] (ffirst (methods
Why is this happening?
(def cs (make-array Character/TYPE 1024))
(apply str cs)
-
(String/valueOf cs)
- [...@42880d
Shouldn't these return the same value?
--Kevin
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Oops not paying attention you are right. Hash map comes first as the
function. Works like a charm.
2009/2/6 Craig Andera craig.and...@gmail.com
(methods multifn)
Returns a hash-map where the keys are vectors if the dispatch values of
the
multimethods were vectors, weird and cool :)
On Feb 6, 7:14 pm, Korny Sietsma ko...@sietsma.com wrote:
Hi folks - I was trying the example posted below, and I discovered a
slight snag - unchecked-* methods don't exist for doubles or floats!
(and if you call (unchecked-multiply 1.2 3.4) you get No matching
method found... which caused
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