David, thank you. Your answer seems to be nearest possible to the
origninal spirit. Obviousely the way syntax-quote is resolved
qualified with a namespace makes the easier way impossible.
Regards, alux
On 18 Mrz., 22:17, David Nolen wrote:
> On Thu, Mar 18, 2010 at 4:25 PM, alux wrote:
> > Hell
> >> But using symbols for something like this is a bit contrived anyway.
Yes, But sometimes it needs contrived examples to get the message.
Especially if you have misleading preconceptions. And to me, symbols
had always been a way to refer to stuff. And only that. That had to be
shaken an is now.
If you really wan't to go that way you can also choose to remove the
namespaces:
(defn describe-path [[where what]]
(map (comp symbol name) `(there is a ~what going ~where from here.)))
On Fri, Mar 19, 2010 at 8:17 AM, alux wrote:
> > >> But using symbols for something like this is a bit cont
On 18 Mar 2010, at 16:55, Per Vognsen wrote:
Is there any reason why a .method occurrence in non-operator position
doesn't just do the closure wrapping automagically?
There is two reasons I can think of, though of course I can't know if
they are the real ones.
First, a technical reason: .m
On Fri, Mar 19, 2010 at 2:46 PM, Konrad Hinsen
wrote:
> On 18 Mar 2010, at 16:55, Per Vognsen wrote:
>
>> Is there any reason why a .method occurrence in non-operator position
>> doesn't just do the closure wrapping automagically?
>
> There is two reasons I can think of, though of course I can't k
Konrad,
Im not following where this would be a problem in terms of
optimization. In the definition for map,
all that needs to be added is a check for a symbol? and the resulting
sequence could look and act
exactly like it would, had you manually added the #(.method %) right?
If the technical obst
I don't think passing symbols around and having special case behavior
scattered around different functions is going to help beginners. If
anything, it would confuse them when they try to treat .methods as
first-class functions in their own code and discover that it doesn't
work.
-Per
On Fri, Mar
To avoid confusion Im pasting from another thread:
Getting ready:
http://www.bestinclass.dk/index.php/2009/12/clojure-101-getting-cloju...
Doing simple pages:
http://www.bestinclass.dk/index.php/2009/12/beating-the-arc-challenge...
Including SQL:
http://www.bestinclass.dk/index.php/2009/12/dyna
Hello,
is this a bug or a feature? (And how could I know.)
spels=> (macroexpand `(huhu huhu.))
(spels/huhu huhu.)
If the symbol ends with a dot, it doesnt get resolved with name space.
I suspect thats because it will get special interpretation as Java
constructor. But what kind of magic is at wo
Hello Michael, hello Dave,
its actually been the parenthesis.
Thank you. (Now I still have to understand it ;-)
On 18 Mrz., 22:43, Michael Wood wrote:
> On 18 March 2010 23:40, Dave M wrote:
>
> > ...
>
> >> (game-action weld chain bucket attic
> >> (if ((and (have 'bucket) (alter-var
Hi,
On Mar 19, 9:16 am, alux wrote:
> is this a bug or a feature? (And how could I know.)
>
> spels=> (macroexpand `(huhu huhu.))
> (spels/huhu huhu.)
>
> If the symbol ends with a dot, it doesnt get resolved with name space.
> I suspect thats because it will get special interpretation as Java
>
Ah. Interesting.
(btw the "exported" in you second line certainly should be "imported")
So it interprets huhu. as full qualified class name and leaves it
alone.
Thank you for the explanation.
Regards, alux
On 19 Mrz., 09:38, Meikel Brandmeyer wrote:
> Hi,
>
> On Mar 19, 9:16 am, alux wrote:
By the way, you may find a working version at
http://paste.lisp.org/+22IH/1
Kind regards, alux
On 19 Mrz., 09:18, alux wrote:
> Hello Michael, hello Dave,
>
> its actually been the parenthesis.
>
> Thank you. (Now I still have to understand it ;-)
>
> On 18 Mrz., 22:43, Michael Wood wrote:
>
>
I'm ecstatic about this. I've been writing a Clojure IRC bot over the
last week or so, and this will really help me get sandboxed Clojure
evaluation working. Thanks.
On Mar 15, 5:22 am, Heinz Nikolaus Gies wrote:
> My brain is a sive, I forgot the github link
> o.Ohttp://github.com/Licenser/clj-
Hi,
On Mar 19, 9:49 am, alux wrote:
> (btw the "exported" in you second line certainly should be "imported")
Woops. Yes. You are right. Should be "imported".
Sincerely
Meikel
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Hello,
I played a bit with Fibonacci again. The slow and inefficient way ;-)
(defn fib0 [n] (if (< n 1) 1 (+ (fib0 (- n 1)) (fib0 (- n 2)
user=> (time (fib0 35))
"Elapsed time: 20874.18345 msecs"
24157817
I use (set! *print-length* 10) and tried some mapping:
user=> (time (map fib0 (iterat
Hi,
On Mar 19, 11:27 am, alux wrote:
> user=> (time (fib0 35))
> "Elapsed time: 20874.18345 msecs"
> 24157817
>
> user=> (time (map fib0 (iterate inc 1)))
> "Elapsed time: 0.913524 msecs"
> (2 3 5 8 13 21 34 55 89 144 ...)
>
> Everything fine.
> Now what puzzles me:
>
> user=> (time (map fib0 (r
(defn cmdresult [cmdstr]
(let [args (into [] (seq (.split cmdstr " ")))]
(BufferedReader.
(InputStreamReader.
(. (. (. Runtime (getRuntime)) (exec args))
(getInputStream))
(defn readLine [cmdresult] (. cmdresult (readLine)))
(def a (cmdresult "ls *.o"))
This fails claiming:
No
It looks like there isn't a way to get at the class behind a deftyped
type other than constructing a dummy instance and taking its class,
because the generated class has a gensymmed name. I was doing
something where I needed to test when something was an instance of a
deftype, so I added this to th
You didnt try this, as I can judge, because you responded in finite
time ;-)
(fib0 35) takes 20 seconds already. So your suggestion
(time (doall (map fib0 (range 100)))
will do all up to 100, time it, and print the first ten, in that
order. (fib0 100) takes a good while (I just estimaded 15 mill
The call to a static method is special, try
(.exec (Runtime/getRuntime) "ls")
Regards, alux
TimDaly schrieb:
> (defn cmdresult [cmdstr]
> (let [args (into [] (seq (.split cmdstr " ")))]
> (BufferedReader.
> (InputStreamReader.
> (. (. (. Runtime (getRuntime)) (exec args))
> (getInp
That would be great! Please post the link here when you're done.
On Mar 18, 5:15 pm, LauJensen wrote:
> Eugen,
>
> Fantastic insight - I cant wait to work that into a blogpost :)
>
> Lau
>
> On 17 Mar., 15:56, Eugen Dück wrote:
>
> > All,
>
> > Developing in clojure is a lot of fun, at least it
On 19 March 2010 06:08, Michał Marczyk wrote:
> Hi Group,
>
> there was a Stack Overflow question recently re: syntax highlighting
> Clojure REPLs. This got me thinking that since I was going to tweak
> SLIME REPL font-lock for quite some time now (I find the default a bit
> too aggressive), I mig
Hi,
On Mar 19, 12:34 pm, alux wrote:
> You didnt try this, as I can judge, because you responded in finite
> time ;-)
Ah, yes. Intersperse with (take 10 ...) at will. :)
> My main irritation is still: Why do my range and my iterate version
> differer in their print beheavior?
Because with ran
;-)
Still, I dont believe.
I get the same difference with
user=> (time (map fib0 (range 100)))
"Elapsed time: 1.916445 msecs"
more than 5 seconds
(0 1 1 2 3 5 8 13 21 34 ...)
user=> (time (map fib0 (iterate inc 0)))
"Elapsed time: 0.104203 msecs"
(0 1 1 2 3 5 8 13 21 34 ...)
Hm.
Regards, al
On 19.03.2010, at 12:09, Per Vognsen wrote:
> It looks like there isn't a way to get at the class behind a deftyped
> type other than constructing a dummy instance and taking its class,
> because the generated class has a gensymmed name. I was doing
> something where I needed to test when somethin
Hi,
On Mar 19, 12:09 pm, Per Vognsen wrote:
> It looks like there isn't a way to get at the class behind a deftyped
> type other than constructing a dummy instance and taking its class,
> because the generated class has a gensymmed name. I was doing
> something where I needed to test when someth
You might want to check out:
> http://peepcode.com/products/functional-programming-with-clojure
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Hi,
I'm trying to wrap the apfloat (arbitrary precision float,
http://www.apfloat.org/apfloat_java)
java library for a small project.
The idea is that the parameters of apfloat calculations get
automatically converted to the
Apfloat class.
My test function is sqrtf (square root float) and the au
Hi,
I trying to use clojure.contrib.mock. It says to override the function
report-problem to
integrate it into other test framework like clojure.test.
I've got this working, but the namespace switching looks a bit ugly.
Is there a better
way to handle this? Maybe something like
(ns clojure.contr
Ok, I golfed it.
(def s["(def s%s)(printf(s 0)s)"])(printf(s 0)s)
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>
> Also the "Learn you a Haskell for Great Good" tutorial is a pretty
> nice and light-hearted introduction to FP with Haskell which might
> also help you to understand some of the concepts better:
>
> http://learnyouahaskell.com/
If you don't mind taking a detour into the Haskell world, the bo
clojure + native = clotive
On Thu, Mar 18, 2010 at 10:36 AM, Alexandre Patry
wrote:
>
>>> On Wed, Mar 17, 2010 at 3:08 AM, mac wrote:
>>>
After just a little more test and polish I plan on calling clj-native
1.0. But clj-native is a *really* boring name so I want to change it
On a recent Java Ranch, Dick Wall mentioned that he was working with Clojure
and F# people on functional language Koans that are like the Ruby Koans
at http://github.com/relevance/functional-koans/
the branch for clojure is:
at http://github.com/relevance/functional-koans/tree/clojure
There are 9
I want to learn Clojure and the first idea for a "simple" app that
popped into my head was some sort of roguelike (because I'm a gamer
and this is what I like to do...) I could go on making hello world
apps and tiny test apps that serve little purpose, but the way I learn
is by setting an end goal
I'd like to announce the initial release of clj-facebook, a Facebook client
library in Clojure.
The code can be found here:
http://github.com/rnewman/clj-facebook
We welcome comments and proposed code improvements.
Don
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You received this message because you are subscribed to the G
You just needed to edit your translation from CL a bit more, there
were some extra brackets in your if statements. The following should
work:
(defspel game-action [command subj obj place & rest]
`(defspel ~command [subject# object#]
`(if (and (= *location* '~'~place)
(= '~sub
Hi,
I want a function that takes byte array in zip format and returns
sequence of included ZipEntrys.
I wrote zipentry-seq based on clojure.core/resultset-seq as below.
(entries) returns sequence of included ZipEntrys and many nils, so I
added ad-hoc filter at the last.
Please advice me to make
I'd like to announce the initial release of clj-facebook, a Facebook client
library in Clojure.
The code can be found here:
http://github.com/rnewman/clj-facebook
We welcome comments and proposed code improvements.
Don
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You received this message because you are subscribed to the Google
Grou
Hi,
Has anyone been able to use Clojure with Robocode?
I've followed this http://www.fatvat.co.uk/2009/05/clojure-and-robocode.html
but got the error
Round 1 initializing..
Let the games begin!
java.lang.ExceptionInInitializerError
at sun.reflect.NativeConstructorAccessorImpl.newInstance0
Thanks, I had seen that ::Foo use and was a bit confused. Now it all
makes sense.
It would still be nice to have an auto-generated name?-style predicate
in deftype, I think.
-Per
On Fri, Mar 19, 2010 at 7:44 PM, Meikel Brandmeyer wrote:
> Hi,
>
> On Mar 19, 12:09 pm, Per Vognsen wrote:
>
>> It
2010/3/19 alux :
> ;-)
>
> Still, I dont believe.
>
> I get the same difference with
>
> user=> (time (map fib0 (range 100)))
> "Elapsed time: 1.916445 msecs"
>
> more than 5 seconds
>
> (0 1 1 2 3 5 8 13 21 34 ...)
>
> user=> (time (map fib0 (iterate inc 0)))
> "Elapsed time: 0.104203 msecs"
> (0
Hi,
On Mar 19, 1:39 pm, alux wrote:
> Still, I dont believe.
You should...
>
> I get the same difference with
>
> user=> (time (map fib0 (range 100)))
> "Elapsed time: 1.916445 msecs"
>
> more than 5 seconds
>
> (0 1 1 2 3 5 8 13 21 34 ...)
>
> user=> (time (map fib0 (iterate inc 0)))
> "Elaps
On 19.03.2010, at 13:50, Per Vognsen wrote:
> It would still be nice to have an auto-generated name?-style predicate
> in deftype, I think.
I haven't yet made my mind up about this. I have used such auto-generated
predicates in my unit library (http://code.google.com/p/clj-units/) for
dimension
JC Petkovich, thank you. I couldnt see your message before March 19,
6:00 group time, i.e. 13:00 UTC, but thats exactly the solution that
was needed.
Regards, alux
JC Petkovich schrieb:
> You just needed to edit your translation from CL a bit more, there
> were some extra brackets in your if sta
Where would you place the type hint needed to avoid reflection ?
2010/3/19 LauJensen :
> Konrad,
>
> Im not following where this would be a problem in terms of
> optimization. In the definition for map,
> all that needs to be added is a check for a symbol? and the resulting
> sequence could look a
It's pretty common in the Lisp world at large. For example, Common
Lisp's (defstruct foo ...) automatically defines a foo-p predicate.
-Per
On Fri, Mar 19, 2010 at 7:53 PM, Konrad Hinsen
wrote:
> On 19.03.2010, at 13:50, Per Vognsen wrote:
>
>> It would still be nice to have an auto-generated na
Meikel,
you are right, I changed horses, uh, definitions inbetween. So the
REPL interaction of my last response should read
Clojure 1.1.0
user=> (set! *print-length* 10)
10
user=> (defn fib0 [n] (if (< n 1) 1 (+ (fib0 (- n 1)) (fib0 (- n
2)
#'user/fib0
user=> (time (map fib0 (range 100)))
"El
Frank Hale wrote:
clojure + native = clotive
or clo-jive, like clojure dancing with another language.
Alex
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Yeah, the Clojure namespacing does make translating symbol references
in my game-action macro a bit cumbersome... But I think Clojure's
straight-forward approach to namespacing is well worth this small
inconvenience :-)
On Mar 19, 8:54 am, alux wrote:
> JC Petkovich, thank you. I couldnt see your
Could you post the source code?
On Mar 19, 7:56 am, ubolonton wrote:
> Hi,
>
> Has anyone been able to use Clojure with Robocode?
> I've followed thishttp://www.fatvat.co.uk/2009/05/clojure-and-robocode.html
> but got the error
>
> Round 1 initializing..
> Let the games begin!
> java.lang.Excepti
On Fri, Mar 19, 2010 at 4:04 AM, Per Vognsen wrote:
> On Fri, Mar 19, 2010 at 2:46 PM, Konrad Hinsen
> wrote:
>> On 18 Mar 2010, at 16:55, Per Vognsen wrote:
>>
>>> Is there any reason why a .method occurrence in non-operator position
>>> doesn't just do the closure wrapping automagically?
>>
>>
Laurent,
> Could chunked seqs explain something here ?
sounds possible. If I only knew what this is ;-)
Regards, alux
Laurent PETIT schrieb:
> 2010/3/19 alux :
> > ;-)
> >
> > Still, I dont believe.
> >
> > I get the same difference with
> >
> > user=> (time (map fib0 (range 100)))
> > "Elapsed
Yes, chunked sequences explain the behaviour, look:
1:1 user=> (set! *print-length* 10)
10
1:2 user=> (defn fib0
[n]
(let [fib (fn fib [n] (if (< n 1) 1 (+ (fib (- n 1)) (fib (- n 2)]
(println (str "fib0[" n "]"))
(fib n)))
#'user/fib0
1:7 user=> (time (map fib0 (iterate inc 0)))
"
hi, follow links from here:
http://www.infoq.com/news/2009/12/clojure-11-rc1-transients
chunked sequences have their first elements realized in advanced by
packets of 32
Under the hoods, it seems that range uses chunked sequences (
http://github.com/richhickey/clojure/blob/master/src/clj/clojure/
Ah, brilliant, many thanks Laurent!
Interesteresting stuff under the hood ..
Kind regards, alux
Laurent PETIT schrieb:
> hi, follow links from here:
> http://www.infoq.com/news/2009/12/clojure-11-rc1-transients
>
> chunked sequences have their first elements realized in advanced by
> packets of
brain dump coming up:
inclojenous
c-jure
cclojure
full-circle
c-no-free
brace-yourself
chickey (my favourite)
On 19 mrt, 14:17, Alexandre Patry wrote:
> Frank Hale wrote:
> > clojure + native = clotive
>
> or clo-jive, like clojure dancing with another language.
>
> Alex
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Nick,
Welcome to Clojure!
On Mar 18, 5:04 pm, Nick wrote:
> I want to learn Clojure and the first idea for a "simple" app that
> popped into my head was some sort of roguelike (because I'm a gamer
> and this is what I like to do...) I could go on making hello world
> apps and tiny test apps that
That was it. I was fixated on the ResultSet object and didn't consider
overloading. Adding the (int) hint sped things up considerably.
Thanks!
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For recursive one-shot memoized functions, I've been using this:
(defmacro memoized-fn [name args & body]
`(let [a# (atom {})]
(fn ~name ~args
(let [m# @a#
args# ~args]
(if-let [[_# v#] (find m# args#)]
v#
(let [v# (do ~...@body)]
ffinagle
(Merriam-Webster says: to obtain by indirect or involved means, to
obtain by trickery, to use devious or dishonest methods to achieve
one's ends)
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Excellent -- thanks all. The binding approach works very well.
On Mar 19, 11:40 am, Jason Wolfe wrote:
> For recursive one-shot memoized functions, I've been using this:
>
> (defmacro memoized-fn [name args & body]
> `(let [a# (atom {})]
> (fn ~name ~args
> (let [m# @a#
>
I've been toying with various implementations of reduce-like
functions, trying to do something "smarter" than a simple iteration
over a collection of data. This hasn't worked out very well, my
implementation is a lot (~50x) slower than a simple loop. Could anyone
point out any bottlenecks in this a
The call I coded works if you only pass a string with no spaces.
However, if the string has spaces there is no result.
If you break the string into String[] then clojure cannot match the
appropriate exec(String[]) method in Runtime. I do not know how
to convince clojure to call this method.
alux
On Thu, Mar 18, 2010 at 11:08 PM, Michał Marczyk
wrote:
> there was a Stack Overflow question recently re: syntax highlighting
> Clojure REPLs. This got me thinking that since I was going to tweak
> SLIME REPL font-lock for quite some time now (I find the default a bit
> too aggressive), I might a
What type of improvement are you expecting to see?
1. A linear improvement based on throwing more cores at the problem?
In this case you would need to use pmap to compute items in parallel.
Your implementation appears to be single threaded.
2. An algorithmic improvement, like going from a DFT to
Very simple function:
(defn map-filter [f coll]
(map f (filter f (coll)))
Is there an API function for this that I am missing? For example, it
is useful for pulling out all values in a list of maps of a certain
key that is optional:
Clojure=> (map-filter :k [{:a :b :c :d :k :found} {:a :b :c :
On Mon, Mar 15, 2010 at 3:34 PM, Raoul Duke wrote:
> On Mon, Mar 15, 2010 at 1:13 AM, Christophe Grand
> wrote:
>> It hasn't blocked in the sense of "wait and continue": it retries the
>> transaction after growing the history of the ref (refs have an adaptive
>> history):
>
> i'm confused about
Sorry, I'm a bit in a hurry ;-)
You give a vector, it needs an array. Try something like:
spels=> (make-array (.getClass "") 2 )
#
spels=> (def arr (make-array (.getClass "") 2 ))
#'spels/arr
spels=> (aset arr 0 "write")
"write"
spels=> (aset arr 1 "c:\\config.sys")
"c:\\config.sys"
spels=> (.exec
On Mar 19, 2010, at 6:07 AM, TimDaly wrote:
> (defn cmdresult [cmdstr]
> (let [args (into [] (seq (.split cmdstr " ")))]
> (BufferedReader.
>(InputStreamReader.
> (. (. (. Runtime (getRuntime)) (exec args))
> (getInputStream))
Why do (into [])? .exec expects a String[], exactly wha
Nope. (map f (filter f ...)) is currently the way to go.
On Mar 19, 1:54 pm, Greg Fodor wrote:
> Very simple function:
>
> (defn map-filter [f coll]
> (map f (filter f (coll)))
>
> Is there an API function for this that I am missing? For example, it
> is useful for pulling out all values in a
On Mar 19, 2010, at 12:54 PM, Greg Fodor wrote:
> Very simple function:
>
> (defn map-filter [f coll]
> (map f (filter f (coll)))
You have an extra parenthesis before coll.
> Is there an API function for this that I am missing? For example, it
> is useful for pulling out all values in a list o
On Sat, Mar 20, 2010 at 2:15 AM, Sean Devlin wrote:
> What type of improvement are you expecting to see?
>
> 1. A linear improvement based on throwing more cores at the problem?
Yes.
> In this case you would need to use pmap to compute items in parallel.
I haven't looked at pmap yet. Thanks fo
On Mar 18, 2010, at 2:04 PM, Nick wrote:
I'm having an interesting (to me) question around a using REPL. Once
it's shut down, where does this code go? I feel like I'm in the old
TRS-80 volatile coding days where you write some code, and if you shut
down you've lost it all. Is this the case? S
Also, have a look at http://richhickey.github.com/clojure-contrib/shell-api.html
/Patrik
On Mar 19, 7:00 pm, Michael Gardner wrote:
> On Mar 19, 2010, at 6:07 AM, TimDaly wrote:
>
> > (defn cmdresult [cmdstr]
> > (let [args (into [] (seq (.split cmdstr " ")))]
> > (BufferedReader.
> > (Inpu
Hi,
On Fri, Mar 19, 2010 at 11:00:34AM -0700, alux wrote:
> spels=> (make-array (.getClass "") 2 )
> #
> spels=> (def arr (make-array (.getClass "") 2 ))
> #'spels/arr
> spels=> (aset arr 0 "write")
> "write"
> spels=> (aset arr 1 "c:\\config.sys")
> "c:\\config.sys"
> spels=> (.exec (Runtime/get
;-)
I'm still at letter b in clojure.core. Grin. Regards, a.
Meikel Brandmeyer schrieb:
> Hi,
>
> On Fri, Mar 19, 2010 at 11:00:34AM -0700, alux wrote:
>
> > spels=> (make-array (.getClass "") 2 )
> > #
> > spels=> (def arr (make-array (.getClass "") 2 ))
> > #'spels/arr
> > spels=> (aset arr 0 "
On Mar 18, 11:55 am, Per Vognsen wrote:
> Is there any reason why a .method occurrence in non-operator position
> doesn't just do the closure wrapping automagically?
It's been discussed as a possibility; it may be added to Clojure in
the future.
-SS
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On Mar 17, 3:08 am, mac wrote:
> After just a little more test and polish I plan on calling clj-native
> 1.0. But clj-native is a *really* boring name so I want to change it
> before 1.0 and I don't have very good imagination when it comes to
> these things.
Personally, I much prefer library name
This post has two parts.
Part 1.
I know that the API is trying to hit the sweet spot on the brevity vs.
information curve, but there are several areas where more information
is needed; one of these is clojure.walk.
Let's say that I have some nested set of vectors:
(def nestV [ [0 [0] ] [0 0] ])
On Fri, 19 Mar 2010 07:21:50 -0700 (PDT)
Sean Devlin wrote:
> > I'm having an interesting (to me) question around a using REPL. Once
> > it's shut down, where does this code go? I feel like I'm in the old
> > TRS-80 volatile coding days where you write some code, and if you shut
> > down you've
I'm not overly familiar with clojure.walk, but I think you'll find the
output of (prewalk #(doto % prn) [[3 [3]] [3 3]]) very illuminating.
On Fri, Mar 19, 2010 at 2:13 PM, cej38 wrote:
> This post has two parts.
>
> Part 1.
>
> I know that the API is trying to hit the sweet spot on the brevity v
FYI: I'm using slackware 13.0, 32-bit
slack has much to redeem it, but there is no apt-get, synaptic and
aptitude.
Thus when I unzip clojure-1.1.0.zip, the closest I can find to
installation instructions are at readme.txt.
Looks like a very simple process, except that I am unfamiliar with
`ant'. Lo
why are you def'ing your functions in the mock namespace? why are you
juggling namespaces at all?
On Wed, Mar 17, 2010 at 3:12 PM, Martin Hauner wrote:
> Hi,
>
> I trying to use clojure.contrib.mock. It says to override the function
> report-problem to
> integrate it into other test framework lik
If am creating accessors to access structures, how should they be
named?
(defstruct employer :employee)
(defstruct employee :employer)
(def employee-name (accessor employee :employer))
(def employer-name (accessor employer :employee))
In a situation where one struct is pointing to the other, is t
On 19 March 2010 18:12, Phil Hagelberg wrote:
> On Thu, Mar 18, 2010 at 11:08 PM, Michał Marczyk
> Awesome. Yeah, that sounds great. Could you submit an issue to
> clojure-mode to do this?
>
> http://github.com/technomancy/clojure-mode/issues
>
> A patch would be even better, of course.
Sure thin
On 19 March 2010 12:58, Rick Moynihan wrote:
> Very cute! I'd love to see this integrated into clojure-mode!
Glad you like it! As mentioned above, I'll try to polish it a bit further.
Sincerely,
Michał
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On 20 March 2010 00:32, Tim Johnson wrote:
> So what am I looking for?
> Is it apache-ant, or some other system?
> And where do I download it?
Yes, it's Apache Ant:
http://ant.apache.org/
> Note: slack has very good build tools for applications with C as the
> source, so if ant is written in C,
* Micha?? Marczyk [100319 15:56]:
> On 20 March 2010 00:32, Tim Johnson wrote:
> > So what am I looking for?
> > Is it apache-ant, or some other system?
> > And where do I download it?
>
> Yes, it's Apache Ant:
>
> http://ant.apache.org/
>
Thanks. I got it.
Installed it as per instructions a
I would guess that you need the ant-launcher jar too:
http://repo1.maven.org/maven2/ant/ant-launcher/1.6.5/
If you find there might be something else missing, check out the whole
ant group:
http://repo1.maven.org/maven2/ant/
HTH.
Sincerely,
Michał
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* Micha?? Marczyk [100319 16:46]:
> I would guess that you need the ant-launcher jar too:
>
> http://repo1.maven.org/maven2/ant/ant-launcher/1.6.5/
>
> If you find there might be something else missing, check out the whole
> ant group:
>
> http://repo1.maven.org/maven2/ant/
I'm looking at that
On Mar 19, 2010, at 4:17 PM, Mike Meyer wrote:
On Fri, 19 Mar 2010 07:21:50 -0700 (PDT)
Sean Devlin wrote:
I'm having an interesting (to me) question around a using REPL.
Once
it's shut down, where does this code go? I feel like I'm in the old
TRS-80 volatile coding days where you write som
As the doc for 'accessor notes, you should really eschew this stuff
altogether, and be more idiomatic by just using the keyword. If you
absolutely know that you need that "(slightly) more efficient" access,
then naming the struct with an uppercase first letter works, and isn't
too uncommon; beside
Kevin, thank you for your example.
Ok here is what I get:
(prewalk #(doto % prn) [[3 [3]] [3 3]])
[[3 [3]] [3 3]]
[3 [3]]
3
[3]
3
[3 3]
3
3
[[3 [3]] [3 3]]
Thus, it appears that an "element" of my nested vectors isn't just the
values within the vectors, but also stands for the inner vectors as
we
I'd imagine you should be using with-bindings:
user=> (ns foo)
nil
foo=> (defn bar [x] (inc x))
#'foo/bar
foo=> (ns user)
nil
user=> (foo/bar 5)
6
user=> (with-bindings {#'foo/bar #(dec %)} (foo/bar 5))
4
On Mar 17, 3:12 pm, Martin Hauner wrote:
> Hi,
>
> I trying to use clojure.contrib.mock. I
On 18 March 2010 20:56, Ben Armstrong wrote:
> On 18/03/10 06:57 AM, Michael Kohl wrote:
>> There's a really nice article series on monads in Clojure:
>> http://onclojure.com/2009/03/05/a-monad-tutorial-for-clojure-programmers-part-1/
> Oh, wow! Lucidly written. And it gives me something, maybe-
Actually that Maven repo suggestion strikes me as misguided now,
seeing how your purpose is to have a usable ant command and not access
ant as a library... You'll probably be better of with the latest ant
distribution from their webpage.
The installation docs are here:
http://ant.apache.org/manua
Hi,
In trying to use clojure.cotrib.lazy-xml to parse a xml file. I get
java.io.IOException: Server returned HTTP response code: 503 for URL:
http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd
because w3c blocks access to that dtd now. Is there any work around?
Thanks,
--
Omnem crede die
They provide elegant solutions to a great many problems, some quite
simple. Here's how I would compute subobjects (subseqs, subsets),
partitions and permutations monadically:
(def true-or-false (constantly (either true false)))
;; computes subseqs in the seq monad and subsets in the set monad
(de
On Fri, 19 Mar 2010 18:26:24 -0700
Terje Norderhaug wrote:
> >
> > *) InterLISP and some others were more like SmallTalk, or MS BASIC, in
> >that you edited code at the REPL and saved the entire
> >workspace. That did add power - I've never seen a file-based LISP
> >whose error handler
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