Hello Andrew,
Thursday, September 11, 2008, 11:24:24 PM, you wrote:
interestingly, XN seems to make GHC-compiled binary files dramatically
*smaller*... huh??)
probably it does `strip` on executable. -optl-s option does the same
trick
--
Best regards,
Bulat
$ cabal update
...
$ cabal list | less
...
* cairo
Latest version installed: 0.9.13
Homepage: http://haskell.org/gtk2hs/
License: BSD3
...
$ cabal install cairo
cabal: There is no package named cairo
I must admit I was surprised to see a gtk2hs module on Hackage, but
not
On Fri, 12 Sep 2008 13:21:59 +0200, Dougal Stanton
[EMAIL PROTECTED] wrote:
$ cabal update
...
$ cabal list | less
...
* cairo
Latest version installed: 0.9.13
Homepage: http://haskell.org/gtk2hs/
License: BSD3
...
$ cabal install cairo
cabal: There is no package named
On Sat, Sep 06, 2008 at 08:12:04 +0100, Eric Y. Kow wrote:
Earlier I wrote an announcement for the darcs hacking sprint on 25-26
October. Tonight, I am delighted to announce that we have two venues
confirmed for the sprint and one serious offer.
Just to add to that: the Paris venue is now
Dear all,
the Workshop on Generic Programming is only a few days away: 20th
September 2008 (http://www.regmaster.com/conf/icfp2008.html).
== Invited talk: The Generic Paradigm
== Lambert Meertens (Utrecht University)
== We have reserved 20 minutes for *lightning talks*. If you plan to
== attend
Dear list members,
I try to use Text.JSON
(http://hackage.haskell.org/cgi-bin/hackage-scripts/package/json) to
serialize and deserialize record types. As I understand it, the data
types need to be instances of class JSON. However I have difficulties
to come up with a nice implementation of
I pushed a new version of happs-tutorial to the online demo at
http://happstutorial.com:5001 This is also on hackage: cabal install
happs-tutorial. (now version 3.)
or darcs get http://code.haskell.org/happs-tutorial for the latest
The demo/tutorial has the same basic functionality as the last
--- On Fri, 9/12/08, Bruce Eckel [EMAIL PROTECTED] wrote:
OK, let me throw another idea out here. When Allen Holub
first
explained Actors to me, he made the statement that Actors
prevent
deadlocks. In my subsequent understanding of them, I
haven't seen
anything that would disagree with
I think I'll go the route of @haskell.org and gmane. Does anyone have
advice about spam protection or other helpful matters? - Conal
On Mon, Sep 8, 2008 at 12:42 PM, Alexey Beshenov [EMAIL PROTECTED] wrote:
On Monday 08 September 2008 14:33:47 Conal Elliott wrote:
I want to set up some kind
OK, let me throw another idea out here. When Allen Holub first
explained Actors to me, he made the statement that Actors prevent
deadlocks. In my subsequent understanding of them, I haven't seen
anything that would disagree with that -- as long as you only use
Actors and nothing else for
Sebastian Sylvan wrote:
For correctness, maybe not, for efficiency, yes definitely!
In theory, decades of research and engineering went into shared memory
on common hardware, so it should be faster.
In practice, you give shared memory to spoiled kids (and seldom
encourage them to use other
On Friday 12 September 2008 19:37:26 Conal Elliott wrote:
I think I'll go the route of @haskell.org and gmane. Does anyone
have advice about spam protection or other helpful matters? -
Conal
For filtering the junk e-mail manually, I recommend listadmin:
On Fri, Sep 12, 2008 at 4:07 PM, Bruce Eckel [EMAIL PROTECTED] wrote:
OK, let me throw another idea out here. When Allen Holub first
explained Actors to me, he made the statement that Actors prevent
deadlocks. In my subsequent understanding of them, I haven't seen
anything that would disagree
The trouble:
module A
data ABC = A { a :: String }
| B { a :: String }
| C { a :: String }
module B
data ABC = A { a :: String }
| B { a :: String }
| C { a :: String }
is valid haskell.
so how should you know having the serialized String { a : abc }
wether to
On Wed, Sep 10, 2008 at 05:35:20PM -0400, Brian Alliet wrote:
On Wed, Sep 10, 2008 at 02:12:00PM +0200, Marc Weber wrote:
There used to be.
http://www.cs.rit.edu/~bja8464/lambdavm/
(Last darcs change log entry:
Sun Oct 21 03:05:20 CEST 2007 Brian Alliet [EMAIL PROTECTED]
* fix build
Bulat Ziganshin wrote:
Hello Andrew,
Thursday, September 11, 2008, 11:24:24 PM, you wrote:
interestingly, XN seems to make GHC-compiled binary files dramatically
*smaller*... huh??)
probably it does `strip` on executable. -optl-s option does the same
trick
And what exactly does
Jeff Zaroyko wrote:
Andrew Coppin andrewcoppin at btinternet.com writes:
Jeff Zaroyko wrote:
In theory, you should be able to use mingw's windres tool to produce
an object file from the resource definition which you'd link with
the rest of your program.
Yes, there's a
+1
Due to the commercial environment I work in, there's really no chance
of me using Haskell at work unless it runs under JVM or CLR. Brian,
consider yourself nagged! And if there's anywhere you need some help,
please yell.
Neil
On Fri, Sep 12, 2008 at 8:44 AM, John Goerzen [EMAIL PROTECTED]
On Fri, 2008-09-12 at 18:07 +0100, Andrew Coppin wrote:
Bulat Ziganshin wrote:
Hello Andrew,
Thursday, September 11, 2008, 11:24:24 PM, you wrote:
interestingly, XN seems to make GHC-compiled binary files dramatically
*smaller*... huh??)
probably it does `strip` on
Hello Andrew,
Friday, September 12, 2008, 9:07:28 PM, you wrote:
probably it does `strip` on executable. -optl-s option does the same
trick
And what exactly does a strip mean, then?
stripping C debugging info, which is useless anyway
--
Best regards,
Bulat
Jonathan Cast wrote:
On Fri, 2008-09-12 at 18:07 +0100, Andrew Coppin wrote:
And what exactly does a strip mean, then?
Remove the symbol table. And, for C, other debugging information.
Historically, I believe, on Unix the distinction between an executable
and an object file was
On Fri, 2008-09-12 at 18:35 +0100, Andrew Coppin wrote:
Jonathan Cast wrote:
On Fri, 2008-09-12 at 18:07 +0100, Andrew Coppin wrote:
And what exactly does a strip mean, then?
Remove the symbol table. And, for C, other debugging information.
Historically, I believe, on
Max Bolingbroke wrote:
2008/9/9 Andrew Coppin [EMAIL PROTECTED]:
Actually, now that I think about it, it would be kind of nice to have a
magic package that writes out escape codes or calls the Win32 API depending
on which platform your program is compiled on - in the style of
I'd like to use template Haskell to include as a string in a
Haskell file. How do I do it?
Is there any lengthy documentation with examples for Template
Haskell? The pages linked to from `haskell.org` are a little
sparse.
--
_jsn
___
Hello Jason,
Friday, September 12, 2008, 11:47:44 PM, you wrote:
I'd like to use template Haskell to include as a string in a
Haskell file. How do I do it?
TH is a typed macrosystem - you generate special datastructure
representing haskell code rather than untyped strings
Is there any
On Fri, Sep 12, 2008 at 9:47 PM, Jason Dusek [EMAIL PROTECTED] wrote:
I'd like to use template Haskell to include as a string in a
Haskell file. How do I do it?
I presume you mean Include a string from the outside world with a IO
action (a file, keyborad, etc ...)
--
module EmbedStr
Thank you!
--
_jsn
___
Haskell-Cafe mailing list
Haskell-Cafe@haskell.org
http://www.haskell.org/mailman/listinfo/haskell-cafe
Alfonso Acosta [EMAIL PROTECTED] wrote:
Uhm, I only know about
http://www.haskell.org/haskellwiki/Template_Haskell#Template_Haskell_tutorials_and_papers
Oh, I guess I missed the wiki.
--
_jsn
___
Haskell-Cafe mailing list
Haskell-Cafe@haskell.org
Tim Chevalier wrote:
When you build your own code with -prof, GHC automatically links in
profiling versions of the standard libraries. However, its profiling
libraries were not built with -auto-all (the reason is that adding
cost centres interferes with optimization). To build the libraries
with
As a follow up to my previous JSON serialization post I came up with a
first draft of some simple record type serialization/deserialization.
What I would like to know is, whether this is the right approach or what
better ways there are to make a custom data type an instance of class
JSON. Any
There is also the combinator approach of Text.Html, which
gives you a syntax similar to (3) but without abusing do:
(rootElt ! [xmlns http://www.w3.org/1999/xhtml;,
lang en-US xml:lang en-US]) $ concatXml
[head $ title $ text minimal
,body $ concatXml
[h1 $ text
Dear haskell-cafe,
I've got an anagram-finder (puzzler) that uses a dictionary datatype, which
in turn uses a trie. In src/hs/Main.hs, I create a new dictionary from a word
list (a file containing one word per line) and perform a query on it in order to
force it to actually load something from
The UUID package builds and runs fine on OS X without any need
for `e2fsprog` -- just remove the `extra-libs` line from the
Cabal file. (Apple put the UUID stuff in `libc`.) Has anyone
tried to build it on Windows?
--
_jsn
|...UUID package...|
On Fri, Sep 12, 2008 at 2:30 PM, Vlad Skvortsov [EMAIL PROTECTED] wrote:
How do I figure out what exactly in 'serialize' takes so much time?
At this point, I don't know any more -- I can't see what inherited
costs serialize could have that don't come from one of the cost
centres you've
On Fri, 2008-09-12 at 14:18 +0200, Henk-Jan van Tuyl wrote:
On Fri, 12 Sep 2008 13:21:59 +0200, Dougal Stanton
$ cabal list | less
...
* cairo
Latest version installed: 0.9.13
Homepage: http://haskell.org/gtk2hs/
License: BSD3
...
$ cabal install cairo
Hi,
The following piece of code runs just fine, if I say:
instance Random RGB where
random = color
randomR = colorR
instead of:
instance Random RGB where
random = color2
randomR = colorR
When I use random = color2 I encounter a stack space overflow:
[EMAIL
cetin.sert:
random = color2
randomR = colorR
color2 :: RandomGen g .$BM.(B g .$B*.(B (RGB,g)
color2 = colorR (minRGB,maxRGB)
color :: RandomGen g .$BM.(B g .$B*.(B (RGB,g)
color s0 = ((r,g,b),s3)
where
^^
There's some corruption in this text. Could
Oh, hi *^o^*
mersenne.pure64
http://sert.homedns.org/lab/colors/var2.hs
mersenne
http://sert.homedns.org/lab/colors/var.hs
the problem seems to be with the definition of colorR in var2.hs
CS
2008/9/13 Don Stewart [EMAIL PROTECTED]
cetin.sert:
random = color2
randomR = colorR
Oh, you've got unicode source. What's the flag to get this to actually
compile? (Note to readers, using extensions , you should always include
the LANGUAGE pragmas required to build the file when asking for help :)
How are you compiling this?
-- Don
cetin.sert:
Oh, hi *^o^*
Cetin Sert wrote:
[snip]
colorR :: RandomGen g ⇒ (RGB,RGB) → g → (RGB,g)
colorR ((a,b,c),(x,y,z)) s0 = ((r,g,b),s3)
where
(r,s1) = q (a,x) s0
(g,s2) = q (b,y) s1
(b,s3) = q (c,z) s2
q = randomR
Look closely at how you use the variable 'b'.
HTH,
Bertram
Oh, sorry... ^__^
ghc -fglasgow-exts -O2 --make var
ghc -fglasgow-exts -O2 --make var2
I've not used pragmas in any source file o_O so far... should go fix that
sometime. Thanks for reminding...
Using ghc 6.8.3, mersenne-random-0.1.3 and mersenne-random-pure64-0.2.0.2.
(Cause I could not find
bertram.felgenhauer:
Cetin Sert wrote:
[snip]
colorR :: RandomGen g ⇒ (RGB,RGB) → g → (RGB,g)
colorR ((a,b,c),(x,y,z)) s0 = ((r,g,b),s3)
where
(r,s1) = q (a,x) s0
(g,s2) = q (b,y) s1
(b,s3) = q (c,z) s2
q = randomR
Look closely at how you use the variable 'b'.
Oh thank you both *^o^*... now works like a charm again.
Btw, Cetin, this is good practice, along with -funbox-strict-fields:
data RGB = RGB !Int !Int !Int
deriving Show
Much better code than using a lazy triple.
Where can I read more of such good practice? Looking forward to Real
cetin.sert:
Where can I read more of such good practice? Looking forward to Real World
Haskell to read lots of code, hope it'll help lots of people interested in
learning haskell. (Will be released around Christmas here in Germany, I
think.)
Yeah, that's right. November some time.
On 2008 Sep 12, at 21:57, Don Stewart wrote:
cetin.sert:
random = color2
randomR = colorR
color2 :: RandomGen g .$BM.(B g .$B*.(B (RGB,g)
color2 = colorR (minRGB,maxRGB)
color :: RandomGen g .$BM.(B g .$B*.(B (RGB,g)
color s0 = ((r,g,b),s3)
where
There's some corruption
On 2008-09-12 20:29 +0100 (Fri), Andrew Coppin wrote:
Looks like the only thing it doesn't do is let you change the title
on the console window. (Because, obviously, that's only possible on
Windows.)
Right. Unless you send an ^[^H]0;foo^G sequence (^[ being ESC) to your
xterm. You'll find
main :: IO ()
main = do
as - getArgs
mt - newPureMT
let colors = randomRs (lo,hi) mt :: [RGB]
print $ zip tx cs
where
lo = read $ as !! 0
hi = read $ as !! 1
tx =as !! 2
Why is as not visible in the where block?
2008/9/13 Brandon S. Allbery KF8NH [EMAIL PROTECTED]
I realized tonight that Hackage needs a theme song. Here is my
attempt at it, apologies to Jefferson Starship:
We built this hackage,
We built this hackage on lambda and types
Say you don't know me, or the parameters I pass
Say you don't care who instances this type class
Knee deep in the
cetin.sert:
main :: IO ()
main = do
as - getArgs
mt - newPureMT
let colors = randomRs (lo,hi) mt :: [RGB]
print $ zip tx cs
where
lo = read $ as !! 0
hi = read $ as !! 1
tx =as !! 2
Why is as not visible in the where block?
On Fri, Sep 12, 2008 at 8:53 PM, Don Stewart [EMAIL PROTECTED] wrote:
cetin.sert:
main :: IO ()
main = do
as - getArgs
mt - newPureMT
let colors = randomRs (lo,hi) mt :: [RGB]
print $ zip tx cs
where
lo = read $ as !! 0
hi = read $ as !! 1
Hi folks,
I've released Twidge, a command-line Twitter and Identi.ca client,
written -- of course -- in Haskell. I'm pretty excited about it, but
then hey, I'm biased.
Anyhow, it's available from Hackage or from the homepage at:
http://software.complete.org/twidge
I've also got links to its
On 2008 Sep 12, at 22:29, Curt Sampson wrote:
On 2008-09-12 20:29 +0100 (Fri), Andrew Coppin wrote:
Looks like the only thing it doesn't do is let you change the title
on the console window. (Because, obviously, that's only possible on
Windows.)
Right. Unless you send an ^[^H]0;foo^G
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