Christophe Grand a écrit :
> Timothy Pratley a écrit :
>
>> I want to grow a tree programmatically so have been trying zippers:
>>
>> (defn insert-parent [loc n]
>> (clojure.zip/replace loc (clojure.zip/make-node
>> loc n loc)))
>> (println (clojure.zip/root (inse
There is many ways in which you can improve the algorithm. I have seen
flocks of 10,000 birds being rendered real-time on a laptop by Hanno
Hildenbrandt, theoretical biology Utrecht.
http://www.rug.nl/biologie/onderzoek/onderzoekgroepen/theoreticalbiology/peoplePages/hannoPage
Also, Craig Reynol
On Jan 26, 1:31 am, "Stephen C. Gilardi" wrote:
> The usual way to do this is with "(apply str ...)"
>
I just wonder if there is a limit to how long the sequence can be,
because apply should use the Java calling stack, right?
--
Ivan
--~--~-~--~~~---~--~~
You rec
On Jan 24, 5:31 am, hughw wrote:
> A fellow named Arnold Schwaighofer is hacking in TCO as a thesis
> project:
>
> http://mail.openjdk.java.net/pipermail/mlvm-dev/2009-January/000331.html
At first I read his name as "Arnold Schwarzenegger". Now that would
be cool! :D
--~--~-~--~~---
Shawn Hoover wrote:
> Why do we have both repeat and replicate? I can sort of keep them straight,
> but as they only differ by arity I wonder if they can be combined... or if
> I'm missing a subtle reason for separate names. A user in IRC threw out the
> possibility of infinite vs. finite function
Thanks :)
That works great. I wrote a simple math precedence parser based upon
it:
http://github.com/timothypratley/strive/blob/195c350485a7f01c7ddef01a85d1fd4fc1652fd9/src/clj/math-tree.clj
Test expression [1 + 2 * 3 ^ 4 + 5 * 6]
(+ 1 (* 2 (^ 3 4)) (* 5 6))
Regards,
Tim
--~--~-~--~~
> I just wonder if there is a limit to how long the sequence can be,
> because apply should use the Java calling stack, right?
str is only called once, with many arguments:
user=> (apply str (range 1))
Only limit is total memory (like anything).
--~--~-~--~~~---
>
> For the purpose of game development, I think it is a mistake to perform
> these calculations for every pair of birds. If you had an error of 1% in
> each of the three characteristics (cohesion, alignment, separation) would
> that still be good enough? Would this be an acceptable loss if you got
On Wed, Jan 28, 2009 at 6:59 AM, bOR_ wrote:
>
> There is many ways in which you can improve the algorithm. I have seen
> flocks of 10,000 birds being rendered real-time on a laptop by Hanno
> Hildenbrandt, theoretical biology Utrecht.
>
>
> http://www.rug.nl/biologie/onderzoek/onderzoekgroepen/t
(ns progs.comex.compileexample
(:gen-class))
(defn -main
[]
(println (str "Hello " "Sverker" "!")))
(binding [*compile-path* "C:\\clojure\\classes"]
(compile 'progs.comex.compileexample))
I compiled C:/clojure/progs/comex/compileexample.clj.
I can run the program with:
C:\clojure\cl
On Jan 27, 8:49 am, MikeM wrote:
> > Were watchers synchronous, they would have to run post-transaction
> > (else a watcher action failure could cause a transaction rollback,
> > leaving already notified watchers confused). Being post-transaction
> > would mean that the refs could have been cha
repeat returns an infinite seq; replicate returns a finite one.
On Jan 27, 8:53 pm, Shawn Hoover wrote:
> Why do we have both repeat and replicate? I can sort of keep them straight,
> but as they only differ by arity I wonder if they can be combined... or if
> I'm missing a subtle reason for sep
On Wed, Jan 28, 2009 at 6:36 AM, Albert Cardona wrot>
> Shawn Hoover wrote:
>> Why do we have both repeat and replicate? I can sort of keep them straight,
>> but as they only differ by arity I wonder if they can be combined... or if
>> I'm missing a subtle reason for separate names. A user in IRC
I say go for it. maybe swank could use it for macroexpansions and
stuff. the lack of pretty-print drives me crazy!
On Jan 27, 10:56 am, Mike DeLaurentis wrote:
> Hi,
>
> Is anyone aware of a pretty-print function for Clojure? I saw there
> was some discussion about it on this thread a while ago,
Agreed ;)
On Wed, Jan 28, 2009 at 9:54 AM, Matt Moriarity wrote:
>
> I say go for it. maybe swank could use it for macroexpansions and
> stuff. the lack of pretty-print drives me crazy!
>
> On Jan 27, 10:56 am, Mike DeLaurentis wrote:
> > Hi,
> >
> > Is anyone aware of a pretty-print function fo
Your manifest assumes your main class lives in the default Java
package, but doesn't it really live in the progs.comex package? Also,
don't you need to use the "m" switch when you specify a manifest to
the jar command?
Bill
On Jan 27, 10:01 pm, smarf wrote:
> (ns progs.comex.compileexamples
>
yes, that is why.
On Jan 27, 9:55 am, Mark Volkmann wrote:
> On Mon, Jan 26, 2009 at 8:19 PM, James Reeves
>
>
>
> wrote:
>
> > On Jan 27, 2:08 am, Mark Volkmann wrote:
> >> Let's see if I've got this straight.
>
> >> (def foo 1) creates a Var in the default namespace with a value of 1.
>
> >>
On Jan 28, 2009, at 5:00, Eric Lavigne wrote:
> In "Objective CAML for Scientists" [1] pages 92-101 Jon Harrop
> demonstrates a rapid numerical solution for a multibody gravitation
> problem, which looks similar to the problem you are solving. He
> refers to the method as Fast Multipole Met
A couple things:
1. I don't know about embedding jars... Instead, use the Class-Path
manifest attribute to link in clojure.jar.
2. I noticed that your jar command was specifically packaging only
compileexample.class. You need all 4 of those generated classes in the
jar.
-Greg
On Jan 27, 11:01
What are some benefits of allowing two ways of doing the following?
There are two ways to access constants in a Java class.
(. java.util.Calendar APRIL)
java.util.Calendar/APRIL
There are two ways invoke a static method in a Java class.
(. Math pow 2 4)
(Math/pow 2 4)
There are two ways to invo
On Wed, Jan 28, 2009 at 3:23 PM, Mark Volkmann
wrote:
>
> On Wed, Jan 28, 2009 at 6:36 AM, Albert Cardona wrot>
>> Shawn Hoover wrote:
>>> Why do we have both repeat and replicate? I can sort of keep them straight,
>>> but as they only differ by arity I wonder if they can be combined... or if
>>
Mark Volkmann a écrit :
> What are some benefits of allowing two ways of doing the following?
>
> There are two ways to access constants in a Java class.
> (. java.util.Calendar APRIL)
> java.util.Calendar/APRIL
>
> There are two ways invoke a static method in a Java class.
> (. Math pow 2 4)
> (M
Clojure is saving our life and enabling thing we would never have
dreamed of without in our ARIES project (http://ecoinformatics.uvm.edu/
aries). Still, we need to hack RT in order to be able to use it. I've
seen some discussion on classloader flexibility in the context of
Eclipse integration. In
I found an interesting project code_swarm (an experiment in organic
software visualization), which I would like to share:
http://vis.cs.ucdavis.edu/~ogawa/codeswarm/
See video(s):
code_swarm - Python
http://www.vimeo.com/1093745
Source:
http://code.google.com/p/codeswarm/
Enjoy, Frantisek
--~--
I don't know anything about how a bird navigates as part of a flock,
but I guess it uses its eyes to see the other birds. And I also
imagine that it pays more attention to birds nearby than to far away
birds. Maybe it even uses the area covered on its retina by the other
bird to assign to assign i
Hello Steve,
I attached file predicates.patch for type and number predicates. Let me
know, if this is an acceptable patch (I haven't worked with them before). We
can then create an issue for Clojure-contrib if necessary.
Shawn, I keep wondering where is the best place to put tests for bug fixes.
O
Hello,
Do you know if there is a clojure code formatter, written either in clojure
or java ?
It could take a string or InputStream/Reader or File as its input, and
return a well formatted String/outputStream/Writer ?
Indeed, I don't want to reinvent the wheel for clojure-dev, but if it is
writte
On Wednesday 28 January 2009 15:09:26 Konrad Hinsen wrote:
> It is possibe to generalize the Fast Multipole Method somewhat, but
> it remains a technique for a limited (though important) class of
> interactions.
I disagree. The most obvious generalization of FMM (and the one presented in
my book
Hello all!
During writing tests for type predicates, I noticed that these -
possibly useful - predicates are not in clojure.core:
boolean?
character?
regex?
array?
Since this is correct:
user=> (= () [])
true
Shouldn't these be also 'true'?
user=> (= {} [])
false
user=> (= {} #{})
false
user=> (
On Jan 28, 7:09 am, Konrad Hinsen wrote:
> It is possible to generalize the Fast Multipole Method somewhat, but
> it remains a technique for a limited (though important) class of
> interactions. It is rather unlikely that it will be of any use for
> simulating a flock of birds.
The FMM its
@mire.rooms/*rooms* is new to me.
could anybody explain to me?
-sun
(defn- mire-handle-client [in out]
(binding [*in* (reader in)
*out* (writer out)]
;; bindings doesn't work sequentially, so we need to nest them
;; otherwise the call to read-name uses the old value of *i
On Wed, Jan 28, 2009 at 11:18 AM, Frantisek Sodomka wrote:
>
> Shawn, I keep wondering where is the best place to put tests for bug fixes.
> One way would be to create a separate file (bugs.clj) and put all these
> tests there. Another way is to include these tests into their respective
> categori
On Jan 28, 2009, at 18:07, Jon Harrop wrote:
> I disagree. The most obvious generalization of FMM (and the one
> presented in
> my books OCaml for Scientists and F# for Scientists) is the
> hierarchical
> spatial decomposition of general contributions rather than just
> poles. That
I agree
On Wed, Jan 28, 2009 at 11:13 AM, Frantisek Sodomka wrote:
>
> Hello all!
> During writing tests for type predicates, I noticed that these -
> possibly useful - predicates are not in clojure.core:
> boolean?
> character?
> regex?
> array?
I'd also like function? and macro? as an alternative to c
Are there web pages that provide links to articles and blogs about Clojure?
It would be nice if an "Articles" link and a "Blogs" link to such
pages appeared in the upper-right corner of http://clojure.org.
--
R. Mark Volkmann
Object Computing, Inc.
--~--~-~--~~~---~-
Personally I search for clojure on google blogsearch and then subscribe to
that feed to see whenever someone posts something about clojure.
On Wed, Jan 28, 2009 at 12:38 PM, Mark Volkmann
wrote:
>
> Are there web pages that provide links to articles and blogs about Clojure?
> It would be nice if
wubbie writes:
> @mire.rooms/*rooms* is new to me.
> could anybody explain to me?
Sure thing. *rooms* is a ref in the mire.rooms namespace. So since we
haven't used "refer" or "use" to draw all everything from mire.rooms
into the current namespace, we prefix the var with its namespace to
refer
Thanks for the replies, everyone. I read in an article that one of the
most common Swing mistakes is putting non-GUI work into the event
dispatch thread, but it seems like oftentimes the cost of creating a
new thread outweighs the benefit of separation, if the work is simple.
With the code above,
Errata: Hanno works in Groningen. As I work in Utrecht, I sort of
automatically appended 'Utrecht' after 'Theoretical Biology'.
Ontopic: There is a thing called Hilbert curves that you could use.
http://en.wikipedia.org/wiki/Hilbert_curve
You could define a 1d array, and translate the bird 2d po
On 28 jan, 18:38, Mark Volkmann wrote:
> Are there web pages that provide links to articles and blogs about Clojure?
> It would be nice if an "Articles" link and a "Blogs" link to such
> pages appeared in the upper-right corner ofhttp://clojure.org.
Bill Clementson created a Yahoo Pipe aggreg
The notation mire.rooms/ is new, especially dod(.) and slash(/).
mire.rooms is rooms in ns mire, etc?
-sun
On Jan 28, 12:50 pm, Phil Hagelberg wrote:
> wubbie writes:
> > @mire.rooms/*rooms* is new to me.
> > could anybody explain to me?
>
> Sure thing. *rooms* is a ref in the mire.rooms name
Oh,
I see (ns mire.rooms ... in rooms.clj
Also see (def *rooms* ...)
So we can refer in other name spaces
the vars and functions in this ns?
Like mire.rooms/*rooms*, mire.rooms/*items*,
mire.rooms/make-room etc?
Thanks
-sun
On Jan 28, 1:18 pm, wubbie wrote:
> The notation mire.rooms/ is new,
Hi Chouser,
Is there anything I can do to help get the proposed change above, or
something like it, included in c.c.command-line? I'd be happy to
modify the patch: removing the somewhat orthogonal alignment code,
etc.
Thanks,
Perry
--~--~-~--~~~---~--~~
You receiv
On Wednesday 28 January 2009 18:09:30 bOR_ wrote:
> Errata: Hanno works in Groningen. As I work in Utrecht, I sort of
> automatically appended 'Utrecht' after 'Theoretical Biology'.
>
> Ontopic: There is a thing called Hilbert curves that you could use.
> http://en.wikipedia.org/wiki/Hilbert_curve
While reading Programming Clojure the other night I found this code
interesting (+), however, when I tried out (-) I got my fingers burnt.
Why this? Or did I do something wrong which has nothing to do with
the code in question?
Emeka
--~--~-~--~~~---~--~~
You rece
Here's a dumb question, but I can't find it in the docs:
How do I get the length of a sequence? Is there some generic way to
find the number of elements in something that might be list, map, vector
or lazy?
There must be some sort of built in function, or an idiom
Thanks
P
--~--~-~-
On Wed, Jan 28, 2009 at 2:15 PM, Peter Wolf wrote:
>
> How do I get the length of a sequence? Is there some generic way to
> find the number of elements in something that might be list, map, vector
> or lazy?
user=> (doc count)
-
clojure.core/count
([coll])
Returns the
(doc count)
-
clojure.core/count
([coll])
Returns the number of items in the collection. (count nil) returns
0. Also works on strings, arrays, and Java Collections and Maps
nil
On Wed, Jan 28, 2009 at 11:15 AM, Peter Wolf wrote:
>
> Here's a dumb question, but I can
Hello,
Say I have namespace a.b.c that is defined in file a/b/c.clj, but which also
has some part in file a/b/c1.clj. And that a/b/c.clj loads a/b/c1.clj
somewhere in the code.
If I a.b.c via (compile 'a.b.c), the classes and files are in sync.
If I now make a change in file a/b/c1.clj, how to
Thanks guys! I knew I could 'count' on you ;-)
Chouser wrote:
> On Wed, Jan 28, 2009 at 2:15 PM, Peter Wolf wrote:
>
>> How do I get the length of a sequence? Is there some generic way to
>> find the number of elements in something that might be list, map, vector
>> or lazy?
>>
>
> use
> I'd also like function? and macro? as an alternative to checking the
> metadata for :macro set to true.
Forgive my parital answer to the intial query of the thread, but
regarding a function? predicate, it's already included:
user=> (doc fn?)
-
clojure.core/fn?
([x])
R
Laurent PETIT a écrit :
> Hello,
>
> Say I have namespace a.b.c that is defined in file a/b/c.clj, but
> which also has some part in file a/b/c1.clj. And that a/b/c.clj loads
> a/b/c1.clj somewhere in the code.
>
>
> If I a.b.c via (compile 'a.b.c), the classes and files are in sync.
>
> If I no
Hello Christophe,
2009/1/28 Christophe Grand
>
> Laurent PETIT a écrit :
> > Hello,
> >
> > Say I have namespace a.b.c that is defined in file a/b/c.clj, but
> > which also has some part in file a/b/c1.clj. And that a/b/c.clj loads
> > a/b/c1.clj somewhere in the code.
> >
> >
> > If I a.b.c via
On Wed, Jan 28, 2009 at 11:13 AM, Frantisek Sodomka wrote:
[...]
Since this is correct:
> user=> (= () [])
> true
>
> Shouldn't these be also 'true'?
> user=> (= {} [])
> false
> user=> (= {} #{})
> false
> user=> (= {} ())
> false
> user=> (= #{} [])
> false
> user=> (= #{} ())
> false
>
Well,
Laurent PETIT a écrit :
>
> Hi Laurent,
>
> Can't you rebind clojure.core/load to record all resources laoded
> during
> a namespace compilation?
>
>
> Well yes, that seems indeed a good solution to another problem I'll
> have to solve (dependency graph of files) -> thanks for ant
Aww. Indeed, if I remember Hanno's talks, he was using meticiously
sized cubes that worked well with the cache.
by the way, the way to get bird rather than boid/fish swarms is to add
gravity, and let the birds bank and roll and pitch and yaw.
On Jan 28, 7:46 pm, Jon Harrop wrote:
> On Wednesday
Talking about equality of:
user=> (= [1, 2] '(1, 2))
true
I also wondered if there could be something as "strict equal", which
returns true only if both the operands are equal and of the same type.
See JavaScript:
http://www.devguru.com/Technologies/ecmascript/quickref/comparison_operators.html
h
I have a map that describes a person.
It has a key that describes their address.
It also has a key for their employer.
The employer has its own address.
(def person {
:name "Mark Volkmann"
:address {
:street "644 Glen Summit"
:city "St. Charles"
:state "Missouri"
:zip 63304}
Currently if you happen upon a Ref in the REPL, you don't get much
helpful information:
user=> (ref #{:a 1})
#
Improving on this is not difficult:
(defmethod print-method clojure.lang.IRef [o w]
(.write w (format "#<%...@%x: %s>"
(.getSimpleName (class o))
Hello, I have suggestion about clojure.contrib.test-is.
It is useful and sometimes necessary to generate testing data.
Currently, data can be generated by a piece of code and passed to an
'is' function. For example, I want to test for equality of many
things, to see if each is equal to each:
(us
(-> person :employer :address :city) would be my pick
Vincent
On Jan 28, 4:02 pm, Mark Volkmann wrote:
> I have a map that describes a person.
> It has a key that describes their address.
> It also has a key for their employer.
> The employer has its own address.
>
> (def person {
> :name "Ma
On Jan 28, 2009, at 10:17 AM, Christian Vest Hansen wrote:
Or replicate could go away.
More likely, I think one of them could take multiple arities and make
the other obsolete.
I like "repeat" with multiple arities and remove "replicate".
--Steve
smime.p7s
Description: S/MIME cryptograph
Hi Users of Shell-out,
I'd sometimes like to have the exit status from system commands, so I
patched clojure.contrib.shell-out to accept a :verbose option which,
when turned on, returns a map with :exit, :out, & :err (where :exit's
value is the exit code int, & :out & :err name either byte arrays
On Wed, Jan 28, 2009 at 4:37 PM, Perry Trolard wrote:
>
> I'd sometimes like to have the exit status from system commands, so I
> patched clojure.contrib.shell-out to accept a :verbose option which,
> when turned on, returns a map with :exit, :out, & :err (where :exit's
> value is the exit code i
On Wed, Jan 28, 2009 at 4:43 PM, Chouser wrote:
>
> Sounds good. Is ':verbose' the base name for this option?
Sorry for the typo. "best name"
--Chouser
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups
"Clojure" g
On Wed, Jan 28, 2009 at 4:02 PM, Mark Volkmann
wrote:
>
> Is this the best way to retrieve the employer city?
> (reduce get person [:employer :address :city])
That's the definition of 'get-in', but the -> suggestion sounds good too.
> Is this the best way to get a new map where the city is chan
That's how I managed to create jar:
I have folders c:\user\apps and c:\user\apps\classes (which can be
empty, but must exist) (beside clojure.jar and other jars) in
classpath.
I have a file:
c:\user\apps\my\hello.clj with this contents:
(ns my.hello
(:gen-class))
(defn -main [] (println "Hell
On Wed, Jan 28, 2009 at 4:36 PM, Stephen C. Gilardi wrote:
>
> On Jan 28, 2009, at 10:17 AM, Christian Vest Hansen wrote:
>
> Or replicate could go away.
>
> More likely, I think one of them could take multiple arities and make
> the other obsolete.
>
>
> I like "repeat" with multiple arities and
> Sounds good. Is ':verbose' the best name for this option? What about
> ':return-map'? I'm okay with ':verbose' if we can't reach consensus
> on something else.
I agree that :verbose isn't right -- :return-map's not bad at all.
Perry
--~--~-~--~~~---~--~~
You
Hi,
I'm unused to managing file dependencies myself, and I'm lost as to
how to load two namespaces that reference each other.
I'm treating the (use) command as analagous to java's import command.
But I've run into problems trying to load this namespace:
Do I have to resort to manually separating
Oops, error. Sequence passed to 'are' cannot be evaluated => use
quoted list '( or quoted vector '[ ...
(are (= _1 _2)
'(3 (+ 1 2)
0 (+ -1 1)))
Hm... Since 'are' is basically creating bunch of 'is' tests, I wonder
how to also add a description message for each test. Thinking along
the lin
On Wed, Jan 28, 2009 at 4:56 PM, Shawn Hoover wrote:
>
> On Wed, Jan 28, 2009 at 4:36 PM, Stephen C. Gilardi
> wrote:
>>
>>
>> I like "repeat" with multiple arities and remove "replicate".
>> --Steve
>
> Me too. I'm just waiting for some hammer to drop about args ordering or
> partial applicatio
> +1 from me, for what it's worth.
Ditto. Every time I want replicate, I type "repeat", remember that it
only takes 1 arg, and then have to search for "replicate" because the
name just won't stick in my head.
-Jason
--~--~-~--~~~---~--~~
You received this message
On Jan 28, 4:11 pm, Chouser wrote:
> Currently if you happen upon a Ref in the REPL, you don't get much
> helpful information:
>
> user=> (ref #{:a 1})
> #
>
> Improving on this is not difficult:
>
> (defmethod print-method clojure.lang.IRef [o w]
> (.write w (format "#<%...@%x: %s>"
>
On Jan 28, 5:38 pm, Chouser wrote:
> On Wed, Jan 28, 2009 at 4:56 PM, Shawn Hoover wrote:
>
> > On Wed, Jan 28, 2009 at 4:36 PM, Stephen C. Gilardi
> > wrote:
>
> >> I like "repeat" with multiple arities and remove "replicate".
> >> --Steve
>
> > Me too. I'm just waiting for some hammer to dr
Great! That's really handy.
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups
"Clojure" group.
To post to this group, send email to clojure@googlegroups.com
To unsubscribe from this group, send email to
clojure+unsubsc
On Jan 28, 2:19 pm, Chouser wrote:
> On Wed, Jan 28, 2009 at 2:15 PM, Peter Wolf wrote:
>
> > How do I get the length of a sequence? Is there some generic way to
> > find the number of elements in something that might be list, map, vector
> > or lazy?
>
> user=> (doc count)
>
Yeah, I'll probably layer a pretty printer on top of my common lisp
format stuff sometime in the next month. I'm just just doing some
cleanup to cl-format to make it a tad more user friendly right now and
then I'll dig in on the pretty printing stuff.
I don't know if I'll go for the all out XP ap
How about this? Needlessly wordy to make it more search-able...
clojure.core/count
([coll])
Returns the length of a list or vector, the number of keys in a map,
the size of a string, or the number of items in a sequence or
collection. (count nil) returns 0. Also works on Java Collections a
On Wed, Jan 28, 2009 at 5:57 PM, Rich Hickey wrote:
>
> On Jan 28, 4:11 pm, Chouser wrote:
>>
>> Now Ref and all her cousins print their values:
>>
>> user=> (agent 99)
>> #
>
> Patch welcome for this.
Created issue with patch:
http://code.google.com/p/clojure/issues/detail?id=56
--Chouser
-
I tried this, but it didn't seem to work :
; a/b/c.clj
(ns a.b.c)
(defn f [] :f)
(load "c1")
;a/b/c1.clj
(in-ns 'a.b.c)
(defn g [] :g)
;in REPL
user=>(let [real-load clojure.core/load]
(binding [clojure.core/load (fn [f] (println "file loaded: " f) (real-load
f))] (compile 'a.b.c)))
file loaded
> Patch welcome for this.
http://code.google.com/p/clojure/issues/detail?id=55&colspec=ID%20Type%20Status%20Priority%20Reporter%20Owner%20Summary
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups
"Clojure" group.
To p
I have improved on chouser's gview code (http://blog.n01se.net/?
p=30). It can now expand java.awt.Container objects. I haven't
implemented this, but it would be nice to pass in a function to filter
leaves/nodes.
(defn container? [obj]
(instance? (. (java.awt.Container.) getClass) obj))
(ns
On Jan 29, 6:03 am, janus wrote:
> While reading Programming Clojure the other night I found this code
> interesting (+), however, when I tried out (-) I got my fingers burnt.
> Why this? Or did I do something wrong which has nothing to do with
> the code in question?
You didn't do anything wro
On Jan 28, 2009, at 6:48 PM, Timothy Pratley wrote:
You didn't do anything wrong, there is a definition of + with no
arguments which just returns 0, but no definition of - with no
arguments. Similarly (*) is defined as 1, but (/) is undefined. I
guess there is no such thing as negative 0, then
Thanks for the detailed explanation Steve!
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Hi,
I see
(add-classpath (str "file://" (.getParent (java.io.File. *file*))
"/"))
in mire.clj.
What value of *file* is it? I failed to see *file* is assigned at all.
-thanks
sun
On Jan 27, 1:16 pm, Phil Hagelberg wrote:
> Keith Bennett writes:
> > I'm trying to wrap my head around Clojure's
On Wed, Jan 28, 2009 at 1:40 PM, Perry Trolard wrote:
>
> Is there anything I can do to help get the proposed change above, or
> something like it, included in c.c.command-line? I'd be happy to
> modify the patch: removing the somewhat orthogonal alignment code,
> etc.
I've been conflicted over
Hi Frantisek,
I think I understand what you're looking for here, but I don't see how
to make it work. If "are" could be applied to a generated list, then
it would have to evaluate its arguments, which is a pretty fishy thing
for a macro to do. (But possible -- check out clojure.contrib.apply-
mac
Hi,
I saw (.getParent (java.io.File. *file*)) is resolved to parent
directory of current running directory.
java.io.File. is a constructor that takes *file* as an argument, but
I don't see *file* is assgned any value at all.
Is it related to the starup script?
The start-up script has clojure.ma
On Wed, Jan 28, 2009 at 5:24 PM, Christophe Grand wrote:
>
> Mark Volkmann a écrit :
>> What are some benefits of allowing two ways of doing the following?
>>
[...]
>> There are two ways to invoke a constructor to create a Java object.
>> (def calendar (new GregorianCalendar 2008 3 16))
>> (def c
On Wed, Jan 28, 2009 at 6:52 PM, Laurent PETIT wrote:
> Hello,
>
> Do you know if there is a clojure code formatter, written either in clojure
> or java ?
Have a look here:
http://groups.google.com/group/clojure/search?group=clojure&q=pretty+print&qt_g=Search+this+group
> It could take a string
Well, I asked this, because I was not sure whether a pretty-print function
is the same as a formatting function.
I thought of the former to have datastructures as its input -> thus working
only on well structured code, as the second would accept more "raw" text,
maybe not totally correct (missing p
Thanks Steve and Tim.
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