If avoiding success at all costs is the goal, wouldn't having a cool
logo be counter-productive?
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On Friday 20 March 2009 2:43:49 am Martijn van Steenbergen wrote:
> Luke Palmer wrote:
> > Well, it's probably not what you're looking for, but to remain true to
> > the domain-theoretical roots of "fix", the "least fixed point above" can
> > be implemented as:
> >
> > fixAbove f x = fix f `lub` x
Hi,
Is there some way to tell ghc, how to interpret numeric literals? I
would like it to interpret
1 as 1 :: Integer
not
1 as fromInteger (1 :: Integer)
I have been playing with the following (rather ugly) code.
{-# OPTIONS
-XFunctionalDependencies
-XMultiParamTypeClasses
-XTypeSynonymInstan
Am Donnerstag, 19. März 2009 13:58 schrieben Sie:
> An easier idea to think about would be to categorize most adjectives
> applied to mathematical constructs into traits and cotraits.
>
> A trait refines a notion and a cotrait broadens the definition.
>
> When talking about a commutative ring, comm
On Fri, Mar 20, 2009 at 1:01 AM, Dan Doel wrote:
> However, to answer Luke's wonder, I don't think fixAbove always finds fixed
> points, even when its preconditions are met. Consider:
>
> f [] = []
> f (x:xs) = x:x:xs
>
> twos = 2:twos
How about
> fixAbove f x = x `lub` fixAbove f (f x)
"Richard O'Keefe" writes:
> The problem we were asked about was specifically
> a
> aa
> aaa
> The code (iterate ('a':) "\n") does not give the right answer.
> It's not just that it produces an infinite list instead of three
> strings, it doesn't even start with the right string. It s
On Thu, 2009-03-19 at 11:50 +0100, Johannes Waldmann wrote:
> Thanks. Now the 00-index.tar.gz works.
>
> When studying the access log of my web server,
> I found that the cabal client (cabal-install/0.6.0)
> does not want $pkg/$ver/$pkg-$ver.tar.gz
> but uses packages/$pkg-$ver/tarball instead
>
Hello Colin,
Friday, March 20, 2009, 9:18:59 AM, you wrote:
> How am I supposed to edit a page on the Haskell wiki?
> If I click on an "Edit this page" link, then Firefox prompts me to
> choose a tool to open an application/x-external-editor. When i just
it should be a problem with your config,
> "Neil" == Neil Mitchell writes:
>>> semi-rant warning:
>>>
>>> This whole badge/logo business seems to me to be an excellent
>>> example of Parkinson's law of triviality (choosing the colour
>>> of the bikeshed). We have a large (too large) number of
>>> variations
>> semi-rant warning:
>>
>> This whole badge/logo business seems to me to be an excellent example
>> of Parkinson's law of triviality (choosing the colour of the
>> bikeshed). We have a large (too large) number of variations on
>> relatively few themes and a really sophisticated voting system, but
Warren Harris writes:
> After spending a bit of time trying to decide how to vote, I
> ended up deciding that my favorite would be a hybrid of
> several of the designs (#9 & #49 FalconNL, and #50 George
> Pollard). It's probably too late to include this in the
> voting, but here it is nonethel
Jon Fairbairn wrote:
>
> semi-rant warning:
>
> This whole badge/logo business seems to me to be an excellent example
> of Parkinson's law of triviality (choosing the colour of the
> bikeshed). We have a large (too large) number of variations on
> relatively few themes and a really sophisticated
On Fri, 2008-12-19 at 12:53 -0800, Justin Bailey wrote:
> I've been following this instructions at
> http://www.haskell.org/haskellwiki/Calling_Haskell_from_C to build a
> Haskell library which I can call from a C program. I'd like to use
> cabal to do the build in the future.
As I'm sure you real
> "Bulat" == Bulat Ziganshin writes:
Bulat> Hello Colin,
Bulat> Friday, March 20, 2009, 9:18:59 AM, you wrote:
> How am I supposed to edit a page on the Haskell wiki?
>> If I click on an "Edit this page" link, then Firefox prompts me
>> to choose a tool to open an applicatio
> "Duncan" == Duncan Coutts writes:
Duncan> On Thu, 2009-03-19 at 12:56 -0400, Brandon S. Allbery KF8NH wrote:
>> On 2009 Mar 19, at 12:39, Brandon S. Allbery KF8NH wrote:
> > On 2009 Mar 19, at 12:30, Colin Paul Adams wrote:
> >>> "Max" == Max Rabkin writes:
>> >>
>> >>
2009/3/20 Colin Paul Adams :
>> "Duncan" == Duncan Coutts writes:
>
>Duncan> On Thu, 2009-03-19 at 12:56 -0400, Brandon S. Allbery KF8NH wrote:
>>> On 2009 Mar 19, at 12:39, Brandon S. Allbery KF8NH wrote:
>> > On 2009 Mar 19, at 12:30, Colin Paul Adams wrote:
>> >>> "Max" == Max R
On Thu, 2009-03-19 at 12:56 -0400, Brandon S. Allbery KF8NH wrote:
> On 2009 Mar 19, at 12:39, Brandon S. Allbery KF8NH wrote:
> > On 2009 Mar 19, at 12:30, Colin Paul Adams wrote:
> >>> "Max" == Max Rabkin writes:
> >>
> >> Max> On Thu, Mar 19, 2009 at 4:41 PM, Manlio Perillo
> >> Max> w
Hi all,
I've been running into stack-overflow problems for some time now. Here
is what I gathered so far.
I used to think that the build up of thunks caused the stack overflow
when, as it turns out, it does not.
I apparently can have a huge thunk build up eventhough I use a
supposedly accu
On Fri, 2009-03-20 at 10:39 +, Colin Paul Adams wrote:
> Duncan> We call it the Package versioning policy (PVP)
>
> Duncan> http://www.haskell.org/haskellwiki/Package_versioning_policy
>
> Duncan> Package authors are encouraged but not required to follow
> Duncan> it. In the
Warren Harris wrote:
> After spending a bit of time trying to decide how to vote, I ended up
> deciding that my favorite would be a hybrid of several of the designs
> (#9 & #49 FalconNL, and #50 George Pollard). It's probably too late to
> include this in the voting, but here it is nonetheless:
On Fri, Mar 20, 2009 at 11:59 AM, GüŸnther Schmidt wrote:
> I apparently can have a huge thunk build up eventhough I use a supposedly
> accumulative, tail-recursive algorithm.
This is correct. If you don't strictly evaluate your accumulator
before you tail recursive, a thunk will build up. See th
Günther Schmidt writes:
> Apparently it is the evaluation of this huge build-up that causes the
> stack-overflow but not the thunk-build-up *as such*.
> Do I understand this correctly?
I think that is correct.
Prelude> foldl (+) 0 [1..100]
*** Exception: stack overflow
Prelude> fold
Yes, even in English semi- is a prefix, so it falls under the purview of
morphology, the borderline between syntax and phonetics where linguists on
either side of the divide shove things they don't want to think about, but
it was the nearest example to hand. =)
On the other hand, non-associative r
Thanks Bas and Ketil,
the point I wanted to stress though is that the stack overflow does
actually not occur doing the recursive algorithm, just a build-up of thunks.
The algorithm itself will eventually complete without the stack overflow.
The problem occurs when the result value is needed a
The problem occurs when the result value is needed and thus the
thunks need to be reduced, starting with the outermost, which can't
be reduced without reducing the next one etc and it's these
reduction steps that are pushed on the stack until its size cause a
stack-overflow.
Yes, tha
Thanks Bas and Ketil,
the point I wanted to stress though is that the stack overflow does
actually not occur doing the recursive algorithm, just a build-up of thunks.
The algorithm itself will eventually complete without the stack overflow.
The problem occurs when the result value is needed and
On Fri, Mar 20, 2009 at 10:06 AM, Lauri Oksanen wrote:
> Hi,
>
> Is there some way to tell ghc, how to interpret numeric literals? I
> would like it to interpret
> 1 as 1 :: Integer
> not
> 1 as fromInteger (1 :: Integer)
Check out this section from the haskell language report:
http://www.hask
On Fri, Mar 20, 2009 at 2:01 PM, GüŸnther Schmidt wrote:
> The problem occurs when the result value is needed and thus the thunks need
> to be reduced, starting with the outermost, which can't be reduced without
> reducing the next one etc and it's these reduction steps that are
> pushed on t
I think your best bet is -fno-implicit-prelude, and defining
fromInteger = id :: Integer->Integer.
On Fri, Mar 20, 2009 at 10:06 AM, Lauri Oksanen wrote:
> Hi,
>
> Is there some way to tell ghc, how to interpret numeric literals? I
> would like it to interpret
> 1 as 1 :: Integer
> not
> 1 as fr
On Fri, Mar 20, 2009 at 3:24 AM, Colin Paul Adams
wrote:
>> "Bulat" == Bulat Ziganshin writes:
>
> Bulat> Hello Colin,
> Bulat> Friday, March 20, 2009, 9:18:59 AM, you wrote:
>
>> How am I supposed to edit a page on the Haskell wiki?
>
> >> If I click on an "Edit this page" link, the
> "Alexander" == Alexander Dunlap writes:
Alexander> On Fri, Mar 20, 2009 at 3:24 AM, Colin Paul Adams
Alexander> wrote:
>>> "Bulat" == Bulat Ziganshin
>>> writes:
>>
>> Bulat> Hello Colin,
>> Bulat> Friday, March 20, 2009, 9:18:59 AM, you wrote:
The problem occurs when the result value is needed and thus the
thunks need to be reduced, starting with the outermost, which can't
be reduced without reducing the next one etc and it's these
reduction steps that are pushed on the stack until its size cause a
stack-overflow.
Yes, tha
GüŸnther Schmidt wrote:
> the point I wanted to stress though is that the stack overflow does
> actually not occur doing the recursive algorithm, just a build-up of thunks.
You can also observe this with suitable "trace" statements. For example:
> import Debug.Trace
> import System.Environment
>
On Fri, Mar 20, 2009 at 7:31 AM, Colin Paul Adams
wrote:
>> "Alexander" == Alexander Dunlap writes:
>
> Alexander> On Fri, Mar 20, 2009 at 3:24 AM, Colin Paul Adams
> Alexander> wrote:
> >>> "Bulat" == Bulat Ziganshin
> >>> writes:
> >>
> >> Bulat> Hello Colin,
> "Alexander" == Alexander Dunlap writes:
>> What Editing tab? -- Colin Adams Preston Lancashire
>>
It's on the left-hand side of the page, at least on my screen. I guess
Alexander> it doesn't really look like a tab, but there's a link
Alexander> that says "Editing" on the
Hi all,
here I am again with my all time favorite unsolved problem: stack overflows.
The advice I have received so far from the Haskell community (this list
and #haskell) was to use strictness annotation or seq in most cases.
And indeed it did help.
It certainly helped when I used a data str
It would be great to have a video of this in action up on youtube.
You can simply 'recordmydesktop' on linux (and likely elsewhere), then
upload the result.
It also helps the general adoption cause, having Haskell more visible
and accessible.
claus.reinke:
>>> The problem occurs when the result v
Hi,
I’ve been thinking of changing over to an iMac from my crappy old PC running
Windows Vista.
Question: Does the iMac have good support for Haskell development?
Question: What environment setups do people commonly use (e.g. Eclipse Xcode
etc)?
Question: Are there any caveats I sh
On Fri, Mar 20, 2009 at 8:07 AM, Colin Paul Adams
wrote:
>> "Alexander" == Alexander Dunlap writes:
>
>
> >> What Editing tab? -- Colin Adams Preston Lancashire
> >>
>
> It's on the left-hand side of the page, at least on my screen. I guess
> Alexander> it doesn't really look like a
2009/3/20 Mark Spezzano :
> Hi,
>
> I’ve been thinking of changing over to an iMac from my crappy old PC running
> Windows Vista.
>
> Question: Does the iMac have good support for Haskell development?
>
> Question: What environment setups do people commonly use (e.g. Eclipse Xcode
> etc)?
>
> Quest
Critiano, despite that thread, yes, there is decent support for
Haskell on Mac OS X. The main problem is that the ports system to
install Gtk2Hs isn't terribly great, as in it mostly doesn't work, but
if you're willing to get Gtk2Hs compiled on your own, then after that,
I've found it to be nearly
On 20 Mar 2009, at 16:56, Mark Spezzano wrote:
Hi,
I’ve been thinking of changing over to an iMac from my crappy old PC
running Windows Vista.
Question: Does the iMac have good support for Haskell development?
As good as, if not better than other platforms I've found, you get
none of t
> "Alexander" == Alexander Dunlap writes:
Alexander> On Fri, Mar 20, 2009 at 8:07 AM, Colin Paul Adams
Alexander> wrote:
>>> "Alexander" == Alexander Dunlap
>>> writes:
>>
>>
>> >> What Editing tab? -- Colin Adams Preston Lancashire
>> >>
Malcolm Wallace wrote:
However, despite having not yet cast any vote, I now find that the
voting site gives me:
404 Not Found
The requested URL /~andru/cgi-perl/civs/vote.pl was not found on this server.
The URL I have starts with /w8/ :
http://www.cs.cornell.edu/w8/~andru/cgi-perl/civs/
tom.davie:
>
> Other than chose the graphics card carefully, an iMac will do you very well.
>
> Hope that helps.
This is very useful.
Could the Mac users add information (and screenshots?) to the OSX wiki
page,
http://haskell.org/haskellwiki/OSX
I agree...
On Fri, Mar 20, 2009 at 11:14 AM, Neil Mitchell wrote:
> >> semi-rant warning:
> >>
> >> This whole badge/logo business seems to me to be an excellent example
> >> of Parkinson's law of triviality (choosing the colour of the
> >> bikeshed). We have a large (too large) number of variati
On 20 Mar 2009, at 18:08, Don Stewart wrote:
tom.davie:
Other than chose the graphics card carefully, an iMac will do you
very well.
Hope that helps.
This is very useful.
Could the Mac users add information (and screenshots?) to the OSX wiki
page,
http://haskell.org/haskellwiki/OSX
tom.davie:
>
> On 20 Mar 2009, at 18:08, Don Stewart wrote:
>
>> tom.davie:
>>>
>>> Other than chose the graphics card carefully, an iMac will do you
>>> very well.
>>>
>>> Hope that helps.
>>
>> This is very useful.
>>
>> Could the Mac users add information (and screenshots?) to the OSX wiki
>>
On 20 Mar 2009, at 18:46, Don Stewart wrote:
tom.davie:
On 20 Mar 2009, at 18:08, Don Stewart wrote:
tom.davie:
Other than chose the graphics card carefully, an iMac will do you
very well.
Hope that helps.
This is very useful.
Could the Mac users add information (and screenshots?) to
tom.davie:
>
> On 20 Mar 2009, at 18:46, Don Stewart wrote:
>
>> tom.davie:
>>>
>>> On 20 Mar 2009, at 18:08, Don Stewart wrote:
>>>
tom.davie:
>
> Other than chose the graphics card carefully, an iMac will do you
> very well.
>
> Hope that helps.
This is very use
Don Stewart wrote:
Yes, anything that is relevant to the development experience on this
platform. Remember: it is more than just getting ghc. How do they get
hold of new libraries and apps? Is cabal-install available?
Since GHC is written in Haskell, do you need to have another Haskell
compil
martijn:
> Don Stewart wrote:
>> Yes, anything that is relevant to the development experience on this
>> platform. Remember: it is more than just getting ghc. How do they get
>> hold of new libraries and apps? Is cabal-install available?
>
> Since GHC is written in Haskell, do you need to have ano
cabal-install works for me. The one thing that would be REALLY REALLY
nice (and I'm cc-ing Duncan on this) is a .dmg for Gtk2Hs on Mac OS X.
There exists a ports build for it, but it won't use the GHC that is
installed via .dmg to build it - it insists instead on installing ghc
again via ports, w
No, you don't.
On 20 Mar 2009, at 21:03, Martijn van Steenbergen wrote:
Don Stewart wrote:
Yes, anything that is relevant to the development experience on this
platform. Remember: it is more than just getting ghc. How do they get
hold of new libraries and apps? Is cabal-install available?
Si
Don Stewart wrote:
martijn:
Don Stewart wrote:
Yes, anything that is relevant to the development experience on this
platform. Remember: it is more than just getting ghc. How do they get
hold of new libraries and apps? Is cabal-install available?
Since GHC is written in Haskell, do you need to
> Yes, anything that is relevant to the development experience on this
> platform. Remember: it is more than just getting ghc. How do they get
> hold of new libraries and apps? Is cabal-install available?
I would be wondering about OS-specific functionality. For example,
it might be worth mentio
Haskell on Mac OS X has been mostly painless for me. I have a PowerPC
mac which means there are rarely binaries for me to download from
haskell.org. I've either used MacPorts or compiled the GHC from source,
both have worked well. I prefer the latter, but you'll probably want
MacPorts anyway for
2009/03/20 Mark Spezzano :
> Question: Does the iMac have good support for Haskell
> development?
Yes. I generally use the Mac binary of GHC and then install C
libs with MacPorts.
> Question: What environment setups do people commonly use (e.g.
> Eclipse Xcode etc)?
I use screen and vim. I
While there is not a .dmg for Gtk2Hs, you can use a .dmg installed GHC
with a .dmg installed Gtk, and then build gtk2hs straight on top of
that, without having to deal with the dual-GHC macports mess..
http://www.haskell.org/haskellwiki/Gtk2hs#Using_the_GTK.2B_OS_X_Framework
-Ross
On Mar 20
Hi folks,
We have good news (nevertheless we hope) for all the lazy guys standing there.
Since their birth, lazy IOs have been a great way to modularly leverage all the
good things we have with *pure*, *lazy*, *Haskell* functions to the real world
of files.
We are happy to present the safe-lazy-i
Hi Jon,
I agree with much of your rant, and would agree that the logo is
probably the least interesting about haskell, but I think that it's
worth spending a little time to spiffy up haskell's image from a
marketing perspective. Although I downplayed much of my design
decisions by focusin
Didn't Haskell have a syntax king? I vote for a logo king: let Don
Steward decide which logo is best. --A
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That one doesn't work with OpenGL, however and won't in the forseeable
future.Incidentally, just now doing a ports install gtk2hs gives
me the following error on my brand new MacBook:
$ sudo port install gtk2hs
... stuff happens normally ... then:
opt/local/bin/ghc +RTS -RTS -c tools/hierarc
Ah wait... I can't read. section 4.1.2 explains the macports
installation. I'll try that.
On Fri, Mar 20, 2009 at 2:56 PM, Jeff Heard wrote:
> That one doesn't work with OpenGL, however and won't in the forseeable
> future. Incidentally, just now doing a ports install gtk2hs gives
> me the
Ah, true. Sorry, my mistake -- I forgot that wasn't supported with the
framework version.
-Ross
On Mar 20, 2009, at 2:56 PM, Jeff Heard wrote:
That one doesn't work with OpenGL, however and won't in the forseeable
future.Incidentally, just now doing a ports install gtk2hs gives
me the fo
As this continues to build, I guess the issue for me, and I'm willing
to help with it, is trying to figure out how to redistribute programs
written with gtk2hs. on Windows, people can just install the gtk2hs
libraries via the installer -- although this does bork a little
because it assumes you hav
On Fri, Mar 20, 2009 at 11:06 AM, Don Stewart wrote:
> martijn:
> > Don Stewart wrote:
> >> Yes, anything that is relevant to the development experience on this
> >> platform. Remember: it is more than just getting ghc. How do they get
> >> hold of new libraries and apps? Is cabal-install availab
I am having hard time making sense of GHC.Conc. Is there a writeup that
describes the significance of "#", or the meaning of "primOp" and
"primType"?
Thanks
Daryoush
On Sun, Dec 7, 2008 at 11:48 PM, Don Stewart wrote:
> dmehrtash:
> >Any idea was the atomically# mean in the following cod
Good to hear you're shipping graphical Haskell apps, Jefferson. Well done.
We do have tools for packaging for various distros:
* Mac OSX:
http://hackage.haskell.org/cgi-bin/hackage-scripts/package/mkbndl
* Windows
http://hackage.haskell.org/cgi-bin/hackage-scripts/package/bamse
Thanks for answers. Here is some working code if somebody plays later
with similar things.
{-# OPTIONS
-XNoImplicitPrelude
-XFunctionalDependencies
-XMultiParamTypeClasses
-XFlexibleInstances
#-}
module Test (
Integer
, Double
, fromInteger
, fromRational
, (+)
) where
im
This might be of some help:
http://www.haskell.org/ghc/docs/6.10.1/html/users_guide/syntax-extns.html
Daryoush Mehrtash wrote:
I am having hard time making sense of GHC.Conc. Is there a writeup
that describes the significance of "#", or the meaning of "primOp" and
"primType"?
_
Hello all-
I'm trying to understand the categorical guts underlying zippers. In the
Haskell wikibook (and other places) I've seen zippers described roughly as
the derivatives of functors. However, I haven't been able to find any
references that develop this idea rigorously. For instance, what exac
dons:
> Good to hear you're shipping graphical Haskell apps, Jefferson. Well done.
>
> We do have tools for packaging for various distros:
>
> * Mac OSX:
> http://hackage.haskell.org/cgi-bin/hackage-scripts/package/mkbndl
>
> * Windows
> http://hackage.haskell.org/cgi-bin/hackage
Wolfgang Jeltsch wrote:
> Is ___semi___ and adjective at all? In German, we say ___halb___ instead of
> ___semi___ and the semi ring becomes a Halbring.
>
"Halbring" as in "halber Ring", isn't it? Synonymous with "partly a
ring" (which uses an adverb)... In german, you can tack almost any
word ty
Hi Nathan,
Nathan Bloomfield wrote:
arrow? I'm interested in studying this concept in more depth, but I
can't find a definition to start with.
Any pointers to good books or papers would be greatly appreciated. :)
The wiki page already gives some pointers to papers; have those been of
any he
On Fri, Mar 20, 2009 at 1:05 PM, David Leimbach wrote:
>
>
> On Fri, Mar 20, 2009 at 11:06 AM, Don Stewart wrote:
>
>> martijn:
>> > Don Stewart wrote:
>> >> Yes, anything that is relevant to the development experience on this
>> >> platform. Remember: it is more than just getting ghc. How do th
Don, good to know; I hadn't checked for packaging tools outside of
cabal in Hackage :)
2009/3/20 Don Stewart :
> dons:
>> Good to hear you're shipping graphical Haskell apps, Jefferson. Well done.
>>
>> We do have tools for packaging for various distros:
>>
>> * Mac OSX:
>> http://hackage.
Hello Jeff,
Friday, March 20, 2009, 10:22:35 PM, you wrote:
> As this continues to build, I guess the issue for me, and I'm willing
> to help with it, is trying to figure out how to redistribute programs
> written with gtk2hs. on Windows, people can just install the gtk2hs
> libraries via the in
On 20 Mar 2009, at 21:05, David Leimbach wrote:
> Since GHC is written in Haskell, do you need to have another Haskell
> compiler installed before GHC 6.10.1 can be installed through
MacPorts?
It bootstraps itself.
??? GHC does or MacPorts does. My experience was that you needed
GHC to
bulat.ziganshin:
> Hello Jeff,
>
> Friday, March 20, 2009, 10:22:35 PM, you wrote:
>
> > As this continues to build, I guess the issue for me, and I'm willing
> > to help with it, is trying to figure out how to redistribute programs
> > written with gtk2hs. on Windows, people can just install th
Hello Don,
Saturday, March 21, 2009, 12:06:48 AM, you wrote:
>> i distribute my gtk2hs program for windows and linux. no problems, i
>> just included runtime libraries provided by gtk2hs team. it was with
>> gtk2hs 0.9.12.1 though, may be they don't provided updated archive for
>> newer gtk2hs ve
bulat.ziganshin:
> Hello Don,
>
> Saturday, March 21, 2009, 12:06:48 AM, you wrote:
>
> >> i distribute my gtk2hs program for windows and linux. no problems, i
> >> just included runtime libraries provided by gtk2hs team. it was with
> >> gtk2hs 0.9.12.1 though, may be they don't provided updated
MacPort developers tweak sources into packages which can install by
themselves. So one just types
sudo port install ghc
and it does the rest. Here is info about ghc:
$ port info ghc
ghc 6.8.3, Revision 1, lang/ghc (Variants: universal, darwin_6,
darwin_7, darwin_8_powerpc, darwin_8_i386, dar
On 20 Mar 2009, at 22:44, Miguel Mitrofanov wrote:
Here is info about ghc:
$ port info ghc
ghc 6.8.3, Revision 1, lang/ghc (Variants: universal, darwin_6,
darwin_7, darwin_8_powerpc, darwin_8_i386, darwin_9_powerpc,
darwin_9_i386, no_opengl)
http://haskell.org/
A bit out of date:
MigMit
Martijn van Steenbergen wrote:
>
> Nathan Bloomfield wrote:
>
>> arrow? I'm interested in studying this concept in more depth, but I can't
>> find a definition to start with.
>>
>> Any pointers to good books or papers would be greatly appreciated. :)
>>
>
> The wiki page already gives some pointer
Don Stewart wrote:
> bulat.ziganshin:
> >
> > http://freearc.org
> >
> > btw, it have 35.000 downloads ATM
>
> Awesome, and congratulations!
>
> I wonder: have you thought about adding a cabal file, so we can
> package it automatically for all the Linux distros? Then you'd have
> access to t
On 20 Mar 2009, at 22:44, Miguel Mitrofanov wrote:
A bit out of date:
MigMit:~ MigMit$ port info ghc
ghc @6.10.1, Revision 8 (lang, haskell)
...blah-blah...
Maybe, your $(port version) is still 1.600?
Yes, now it worked:
$ port version
Version: 1.700
$ port info ghc
ghc @6.10.1, Revision 9
On Fri, Mar 20, 2009 at 07:42:28PM +0100, Nicolas Pouillard wrote:
> We have good news (nevertheless we hope) for all the lazy guys standing there.
> Since their birth, lazy IOs have been a great way to modularly leverage all
> the
> good things we have with *pure*, *lazy*, *Haskell* functions to
That's a horrible definition of fromRational. Use
fromRational = P.fromRational.
On Fri, Mar 20, 2009 at 9:09 PM, Lauri Oksanen wrote:
> Thanks for answers. Here is some working code if somebody plays later
> with similar things.
>
> {-# OPTIONS
> -XNoImplicitPrelude
> -XFunctionalDependencies
It would be great to have a video of this in action up on youtube.
You can simply 'recordmydesktop' on linux (and likely elsewhere), then
upload the result.
I'm curious: how would a non-interactive animation running in Flash
in a browser be better than an interactive animation running in Java
in
On Friday 20 March 2009 5:23:37 am Ryan Ingram wrote:
> On Fri, Mar 20, 2009 at 1:01 AM, Dan Doel wrote:
> > However, to answer Luke's wonder, I don't think fixAbove always finds
> > fixed points, even when its preconditions are met. Consider:
> >
> > f [] = []
> > f (x:xs) = x:x:xs
> >
> >
On 2009 Mar 20, at 17:02, Hans Aberg wrote:
Therefore, as mentioned before, it might be best to install the GHC
binaries and install libraries like Gtk+ from MacPorts. There is
also Intel Gtk+ that binds directly to Aqua, the
This won;t work as you expect: since there's a dependency on ghc,
Yitzchak Gale ha scritto:
Hi Manlio,
Manlio Perillo wrote:
For my Netflix Prize project I have implemented two reusable modules.
The first module implements a random shuffle on immutable lists...
The second module implements a function used to partition a list into n
sublists of random length.
Günther Schmidt wrote:
the point I wanted to stress though is that the stack overflow does
actually not occur doing the recursive algorithm, just a build-up of
thunks.
The algorithm itself will eventually complete without the stack overflow.
The problem occurs when the result value is needed
I just found out about GHood through this thread, and since it
impressed me very much to see something so cool, I feel bad making
this comment... but I am always disturbed by the flickering effect
produced by java applets in my browser (FF 3.0) while scrolling. From
an implementation stand
Anton Tayanovskyy wrote:
> Didn't Haskell have a syntax king? I vote for a logo king: let Don
> Steward decide which logo is best. --A
I propose to use concordet voting to appoint a new king from the 100
aspiring candidates ... ;)
Regards,
apfelmus
--
http://apfelmus.nfshost.com
__
True. Thanks.
- Lauri
On Sat, Mar 21, 2009 at 1:05 AM, Lennart Augustsson
wrote:
> That's a horrible definition of fromRational. Use
> fromRational = P.fromRational.
>
> On Fri, Mar 20, 2009 at 9:09 PM, Lauri Oksanen wrote:
>> Thanks for answers. Here is some working code if somebody plays lat
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