On Wed, 2006-11-22 at 09:12 +, DavidA wrote:
Some recent comments suggested that every time there is a new GHC release,
there needs to be a new wxHaskell release (or insert name of other library
here) to work with it. This seems to be true even for minor upgrades, like
6.4.1 - 6.4.2.
On Tue, 2006-11-14 at 10:40 +, Simon Peyton-Jones wrote:
I wonder whether it'd be possible to make the gtk2hs stuff emit
warnings if you make calls from two different threads? Then an
application would complain constructively rather than becoming
unstable.
I have three plans:
Plan 1:
On Wed, 2006-11-15 at 01:29 +, Neil Mitchell wrote:
The funny thing is that we can actually use Haskell threads with Gtk2Hs
perfectly well with the single threaded rts (we currently use a polling
scheme to to cooperative scheduling between gtk+ and ghc rts but there
are some
On Mon, 2006-11-13 at 15:41 +0300, Bulat Ziganshin wrote:
Hello Duncan,
Monday, November 13, 2006, 3:36:32 AM, you wrote:
afaik, there are just two good enough libs - wxHaskell and GtkHs. can
in brief, i see the following main differences:
- wxHaskell is easier to understand and to
On Mon, 2006-11-13 at 16:48 +0300, Bulat Ziganshin wrote:
Hello Duncan,
Monday, November 13, 2006, 4:10:03 PM, you wrote:
on the download page only GHC 6.4.1 support mentioned. is 6.4.2 and
6.6 supported on windows?
The last official release for Windows supports GHC 6.2.2 and 6.4.1. I
On Mon, 2006-11-13 at 18:00 +, Tim Docker wrote:
afaik, there are just two good enough libs - wxHaskell and GtkHs. can
anyone point (or write) detailed comparison of their features?
One point in wxHaskell's favour is that it supports Mac OS X directly. At
present, to the best of my
On Mon, 2006-11-13 at 17:10 +0300, Bulat Ziganshin wrote:
The one thing you should be aware of is that Windows + Threading +
Gtk2Hs + Gtk + GHC = Pain.
why? are you tried to call Gtk2Hs from only one thread?
I think so, yes. Or there are bizare -threaded restrictions. Only
Duncan
for someone to help with maintaining Gtk2Hs on
OSX (and someone for windows too). So if you're interested or know
anyone who is interested then do get in touch.
Duncan
On 13 Nov 2006, at 19:03, Duncan Coutts wrote:
One point in wxHaskell's favour is that it supports Mac OS X
directly
On Sun, 2006-11-12 at 10:49 -0800, Donn Cave wrote:
How do people like to set up their foreign I/O functions to return
ByteStrings? I was a little stumped over this yesterday evening,
while trying to write ` recv :: Socket - Int - Int - ByteString '
Doc says `Byte vectors are encoded as
On Mon, 2006-11-13 at 02:50 +0300, Bulat Ziganshin wrote:
Hello haskell-cafe,
afaik, there are just two good enough libs - wxHaskell and GtkHs. can
anyone point (or write) detailed comparison of their features? i plan
to write large GUI program in Haskell and want to select best one.
the
On Mon, 2006-11-13 at 12:02 +1300, Daniel McAllansmith wrote:
Hi.
I've just installed GHC 6.6 on an amd64 running a gentoo linux distribution.
With GHCi from 6.4.2 I could run ghci then do
Prelude :l Foo/Bar.hs
by hitting tab after Foo to complete the path to Bar.hs
This no longer
On Mon, 2006-10-23 at 20:18 -0200, Maurício wrote:
Hi,
This small program says Segmentation fault:
module Main (Main.main) where
import Data.Char
import System.Time
import System.Console.Readline
main :: IO ()
main = do
readKey
return ()
I don't understand
On Sat, 2006-10-14 at 20:32 +0900, shelarcy wrote:
Hi Jason,
Jun Mukai aka. jmuk already tried and successed
to build wxhaskell on GHC 6.6.
Here is his install log.
http://sequence.complete.org/node/214
And I made patch for ghc 6.6 from it.
Attached solves a few problem ... but you
On Fri, 2006-10-13 at 15:18 +0200, Hans van Thiel wrote:
Hello Duncan,
Thanks for your reply, and here's the pdf.
Thanks.
One of the things to be improved, which I note myself, is something on
how to do it on the Windows platform.
It's much the same of course, but yes that would be nice.
Hia Hans,
That's great that you're interested in doing/improving Gtk2Hs tutorial
material. I think actually this is one of the weakest parts of Gtk2Hs at
the moment - the lack of a decent basic intro tutorial.
We've often talked about starting one, and we had various ideas floating
around, but
On Wed, 2006-10-11 at 11:40 +0100, Malcolm Wallace wrote:
ihope [EMAIL PROTECTED] wrote:
It's possible to make both infinite list and finite list
datatypes:
data Inf a = InfCons a (Inf a)
data Fin a = FinCons a !(Fin a) | FinNil
At least, I think the Fin type there has to be
On Wed, 2006-10-11 at 16:01 -0400, Seth Gordon wrote:
I have a program using HSQL that I'm trying to profile. When I do
ghc program.hs -package hsql -o program
it compiles fine, but when I do
ghc -prof -auto-all program.hs -package hsql -o program
I get error messages saying failed
On Sun, 2006-10-08 at 15:25 -0700, Jason Dagit wrote:
Another good idea when you have a pretty version which is easy to
verify for correctness and an ugly version that is harder to verify is
to use QuickCheck or SmallCheck and define a property that says both
versions are equal for all
On Wed, 2006-10-04 at 18:23 +0200, Henning Thielemann wrote:
On Wed, 4 Oct 2006, Bulat Ziganshin wrote:
Hello haskell-cafe,
i want to make my library available via darcs repository on
darcs.haskell.org. how i can arrange it? if it is required, i already
have user account on
On Sat, 2006-09-23 at 09:58 -0400, Paul Hudak wrote:
Thanks Don. I alerted our IT staff this morning, and they seem to have
things working again, although here is their final response:
The web server had over 150 client connections which exceeded
its limit. I restarted the web
On Tue, 2006-09-19 at 19:45 -0700, Lyle Kopnicky wrote:
Hi folks,
I'm working on a project for which the solution is highly
parallelizable. I've been writing it so far for GHC as a single-threaded
app. I'd like to be able to split the job into multiple pieces, and
spawn different system
On Sat, 2006-09-16 at 18:32 +0900, Yu, Jae-Myoung wrote:
I'm making a text editor with Gtk2Hs, and I want to implement copy
paste with TextView. I read the api document but I can't find how to
use the Gtk.Clipboard object. Without context menu basically included
in the TextView widget, How
On Fri, 2006-09-08 at 01:43 -0400, Albert Lai wrote:
Deokhwan Kim [EMAIL PROTECTED] writes:
What is the practical meaning of monad laws?
1. (return x) = f == f x
2. m = return == m
3. (m = f) = g == m (\x - f x = g)
I offer to re-write the laws in do-notation. (Please view
that currently we can't fully follow through on the promise.
There are some tricky problems.
Duncan Coutts, gtk2hs author, writes the same and proposed solution -
use dedicated thread to execute all graphics commands and send these
commands to the thread using Chan. it's just several lines of code:
I
On Fri, 2006-09-01 at 16:28 -0400, Robert Dockins wrote:
On Friday 01 September 2006 15:19, Tamas K Papp wrote:
Hi,
I am newbie, reading the Gentle Introduction. Chapter 7
(Input/Output) says
Pragmatically, it may seem that getContents must immediately read an
entire file or
On Fri, 2006-09-01 at 17:36 -0400, Robert Dockins wrote:
Perhaps I should be more clear. When I said advanced above I meant any
use
whereby you treat a file as random access, read/write storage, or do any kind
of directory manipulation (including deleting and or renaming files). Lazy
On Tue, 2006-08-15 at 12:38 +0200, John Hughes wrote:
One thing I've observed repeatedly is that many students in later
years, who learned functional programming early, have a strong
impression that functional languages are only suitable for toy
programs. Of course, that's because in their
On Sun, 2006-08-13 at 20:36 +0200, Marc Weber wrote:
Is there somethinig corresponding to Num concering lists?
I mean there is + - /.. defined. + - are not type specific (Int, Double)
neither is : [1,2] notation to Elements.. But what about different
implementatins of lists? (linked
On Sat, 2006-08-12 at 03:52 +0200, Marc Weber wrote:
1.)
I know I can use
Build-Depends: lib == version, lib2 version, lib3 =
version
and so on.
Do you think it would be useful to introducue some notation to indicate
a tested with ?
On Fri, 2006-08-11 at 14:43 +0200, Johan Tibell wrote:
Haskell was mentioned in an article called Why Exotic Languages Are
Not Mainstream on the blog defmacro.org the other day and I thought
maybe someone would be interested (i.e. is procrastinating at work and
need an excuse to do something
On Tue, 2006-08-01 at 14:37 +0400, Bulat Ziganshin wrote:
Hello Brian,
Tuesday, August 1, 2006, 4:23:53 AM, you wrote:
That's a tough call to make. Changing the kind of Sequence to * from *
- * means losing the Functor, Monad, and MonadPlus superclasses and
all the various maps and
On Mon, 2006-07-31 at 13:56 +0200, Olof Bjarnason wrote:
Hi there!
I'm trying to user Haskell as a code-generating language, specifically
generating C# code files. The wish list is
1) reading UTF-8 coded text files into unicode-enabled Strings, lets
call them UString
The ordinary Haskell
On Mon, 2006-07-31 at 19:11 -0400, David F. Place wrote:
Hi:
I'm having trouble compiling wxhaskell 0.9.4 under both ghc 6.4.2 and
ghc 6.5. Does anyone know where I should direct my queries?
Assuming you're using wxHaskell on linux with wxGTK then the usual
problem with compiling
On Sun, 2006-07-30 at 10:56 +0100, Jón Fairbairn wrote:
David House [EMAIL PROTECTED] writes:
Hi all.
I've seen two definitions of a 'strict function', which I'm trying to
unite in my mind:
1) f is strict iff f _|_ = _|_.
2) f is strict iff it forces evaluation of its arguments.
On Sun, 2006-07-30 at 15:01 +0100, allan wrote:
however with version 6.4.2 I get the following error:
haskellprint$ ./Setup.hs build
Preprocessing executables for haskellprint-0.1...
Building haskellprint-0.1...
Chasing modules from: Main.hs
Could not find module
On Sun, 2006-07-30 at 13:22 +0100, Jón Fairbairn wrote:
Duncan Coutts [EMAIL PROTECTED] writes:
On Sun, 2006-07-30 at 10:56 +0100, Jón Fairbairn wrote:
David House [EMAIL PROTECTED] writes:
1) f is strict iff f _|_ = _|_.
2) f is strict iff it forces evaluation of its arguments
On Thu, 2006-07-27 at 11:07 -0700, Andrew Pimlott wrote:
On Wed, Jul 26, 2006 at 04:02:31PM -0700, Andrew Pimlott wrote:
I admit I don't know enough to say how the lpt1 issue should be
handled. Is there any Win32 call I can make that will help me avoid
accidentally opening these magic
On Tue, 2006-07-25 at 22:16 -0400, DeeJay-G615 wrote:
I have a query which is asked out of interest's sake...
I'm essentially looking for an affirmation of what I think I already
understand (or some info if I'm deluded ;)).
To put this in context...
I have some C code...
On Thu, 2006-07-27 at 11:07 -0700, Andrew Pimlott wrote:
On Wed, Jul 26, 2006 at 04:02:31PM -0700, Andrew Pimlott wrote:
I admit I don't know enough to say how the lpt1 issue should be
handled. Is there any Win32 call I can make that will help me avoid
accidentally opening these magic
On Wed, 2006-07-26 at 15:29 +0200, Udo Stenzel wrote:
My criticism is that your properties are all specified in terms of
string manipulation.
Exactly. I believe, a FilePath should be an algebraic datatype.
Most operations on that don't have to be specified, because they are
simple and
On Wed, 2006-07-26 at 19:41 +0200, Udo Stenzel wrote:
Duncan Coutts wrote:
On Wed, 2006-07-26 at 15:29 +0200, Udo Stenzel wrote:
Exactly. I believe, a FilePath should be an algebraic datatype.
We've had this discussion before. The main problem is that all the
current IO functions
On Wed, 2006-07-26 at 11:32 -0700, Andrew Pimlott wrote:
On Wed, Jul 26, 2006 at 03:36:13AM +0100, Neil Mitchell wrote:
Its a rats nest to do it properly, but some very basic idea of does
this path have things which there is no way could possibly be in a
file - for example c:\|file is a
On Thu, 2006-07-20 at 18:09 +0300, Alvaro Galan wrote:
Hi, im almost new in haskell world, but im trying to do a simple
graphical interface for a small program, i developed the program under
winhugs, and now i want to develop the gui also with it, but all the
libraries and kits that i download
On Mon, 2006-07-17 at 18:04 +0400, Bulat Ziganshin wrote:
Hello gurus :)
i got message about problems compiling Streams 0.2.1 library on Unix systems:
- I include file io.h, but this particular system has sys/io.h
Are you sure you need sys/io.h? What are you using from it? As far as I
can
On Mon, 2006-07-17 at 19:59 +0400, Bulat Ziganshin wrote:
Hello Duncan,
Monday, July 17, 2006, 6:18:49 PM, you wrote:
- I include file io.h, but this particular system has sys/io.h
Are you sure you need sys/io.h? What are you using from it? As far as I
can see it doesn't define
On Mon, 2006-07-17 at 18:29 +0100, Asfand Yar Qazi wrote:
On 7/17/06, Bulat Ziganshin [EMAIL PROTECTED] wrote:
if you want to really use 2 processors, you should use ghc 6.5, which
is still in beta stage. ghc 6.4 executes all the Haskell code on one
processor (to be exact, at each moment
That's great Evan!
I had actually been hoping that we'd get a student to do D-Bus bindings
for a Google Summer of Code project. Sadly we didn't get quite enough
places assigned for a D-Bus project to make it into our list.
I would be happy to include D-Bus bindings with Gtk2Hs as it's generally
On Wed, 2006-07-05 at 17:51 -0700, Jason Dagit wrote:
On 7/5/06, Duncan Coutts [EMAIL PROTECTED] wrote:
On Wed, 2006-07-05 at 16:06 -0700, Jason Dagit wrote:
I can't help with gtk2hs as I haven't tried it yet, but I hear the dev
community is much more alive and very helpful. My main
On Sat, 2006-07-01 at 16:36 +0100, Ian Lynagh wrote:
[resending as the original seems to have been silently eaten;
attachements are at http://urchin.earth.li/~ian/splitting/ ]
On Fri, Jun 30, 2006 at 03:45:57PM -0700, mvanier wrote:
I'm at a loss here. Somehow, the SplitObjs option
On Wed, 2006-07-05 at 12:08 +0100, Neil Mitchell wrote:
Hi,
What I want to know is the generic way to force an entire String (or
other list, perhaps from hGetContents) to be evaluated (read into RAM, I
guess) so the underlying file can be closed and do it right now.
What I have done
On Wed, 2006-07-05 at 16:06 -0700, Jason Dagit wrote:
I can't help with gtk2hs as I haven't tried it yet, but I hear the dev
community is much more alive and very helpful. My main concerns with
gtk2hs were 1) I need a native look 'n feel
This is a common misconception. Gtk+ uses the windows
On Mon, 2006-06-19 at 17:33 -0700, Greg Fitzgerald wrote:
I'd like to use a tool to automatically install Haskell XML Toolkit
and its dependencies. What are my options? How's cabal-get coming?
That, or use an OS which packages it.
Actually, on Gentoo we've only got an old version of HXT
On Mon, 2006-06-19 at 15:24 +, C Rodrigues wrote:
Here's a puzzle I haven't been able to solve. Is it possible to write the
initlast function?
There are functions init and last that take constant stack space and
traverse the list at most once. You can think of traversing the list as
On Mon, 2006-06-19 at 17:03 +0100, Jon Fairbairn wrote:
On 2006-06-19 at 15:24- C Rodrigues wrote:
Here's a puzzle I haven't been able to solve. Is it possible to write the
initlast function?
There are functions init and last that take constant stack space and
traverse the list
On Thu, 2006-06-15 at 12:43 +0100, Vladimir Portnykh wrote:
Suppose there is a data definition in Haskell:
data MyType = MyType { date :: Double,
weight :: Double,
height:: Double
} deriving (Eq, Ord, Show)
Is it possible to
On Mon, 2006-06-12 at 14:48 -0700, Jared Updike wrote:
Thanks, Minh. So are things like recursion and memory sharing typically out
the window?
Recursion works in C, but every function call pushes stack, so
recursive depth is limited by RAM (compare to tail call optimization
in many
On Thu, 2006-06-08 at 11:49 -0300, Atila Romero wrote:
Im trying to use parsec to split a file, using the null character as a
separator.
Works fine with very small files but fails if they are a little bit larger.
I guess parsec is trying to parse everthing first and print the results
last.
On Wed, 2006-06-07 at 23:58 +, Dmitry V'yal wrote:
Hello.
How can one profile a program which uses gtk2hs?
I get this:
At the moment the Gtk2Hs build system does not support building a
profiling version. This should change when the move to using Cabal,
however that may be some time. So
On Sun, 2006-05-28 at 14:44 +0400, Bulat Ziganshin wrote:
Hello Jeremy,
Sunday, May 28, 2006, 1:29:02 AM, you wrote:
Two alternative ideas are:
(1) accurately pre-calculate the size of the serialized structure and
allocate the correct amount of memory from the start
it's good
On Sun, 2006-05-28 at 20:40 +0400, Bulat Ziganshin wrote:
Hello Duncan,
Sunday, May 28, 2006, 3:05:53 PM, you wrote:
createMemBuf does exactly this :)
One of the areas where we found that Data.ByteString.Lazy was performing
better than the ordinary Data.ByteString is cases like this
On Thu, 2006-05-25 at 15:02 +, Dmitry V'yal wrote:
Hi, all.
I'm writing a GUI app using Haskell and Gtk2HS. All goes well besides one
thing.
I need to display some messages in russian and I can't figure out, how to
handle
that.
Gtk uses UTF-8 internally, so i have to pass UTF-8
On Thu, 2006-05-18 at 11:00 +0200, Alberto Ruiz wrote:
When I compute (using ghc -O) things like
map g1 [1 .. 1000]
the common q is evaluated only once, which is very nice. But the problem
is that in some strange cases this kind of optimization is not applied, and
the same q is
On Wed, 2006-05-10 at 23:29 +0900, Deokhwan Kim wrote:
Bjorn Lisper wrote:
precisely the same as _|_. Only certain kinds of nontermination can be
modeled by _|_ in a non-strict language.
What kinds of nontermination are modeled by _|_ in Haskell?
let f = f in f 3
length [0..]
Duncan
On Thu, 2006-04-27 at 10:45 -0500, Brock Peabody wrote:
I'm teaching myself Haskell, and was wondering if anyone could recommend
a library for accessing databases, PostgreSQL in particular.
I looked at http://www.haskell.org/haskellwiki/Libraries_and_tools, and
HSQL looked promising, but I
On Thu, 2006-04-27 at 11:50 -0500, Brock Peabody wrote:
From: Duncan Coutts [mailto:[EMAIL PROTECTED]
There is also HDBC which is nearing a 1.0 release and in my experience
is easier to install. (I package both HSQL HDBC for Gentoo)
Thanks, I'll check that out. For some reason I saw
On Fri, 2006-04-21 at 13:50 +0200, Pepe Iborra wrote:
http://code.google.com/soc/
This is not news. SoC was presented a few days ago, and by now there are a
lot of projects available, yet none(?) Haskell related :(
This is a plea for Haskell FOSS project managers to apply as mentor
On Tue, 2006-03-14 at 09:45 +0300, Dmitry V'yal wrote:
Christophe Poucet wrote:
I have to concur with Duncan.
I started using Gtk2Hs for a small project and literally within a couple
hours I had a good understanding upon which to build a nice gui as well as
the gui itself. I haven't
On Tue, 2006-03-14 at 17:15 +0100, Daniel Fischer wrote:
Okay, I've got myself gtk2hs now (and remebered what shied me away the first
time: click on dowload opens Pandora's cookie box).
Seems to work, although linking takes ages and the binaries are
awe-inspiringly huge.
Now two questions
On Mon, 2006-03-13 at 09:58 +0100, Daniel Fischer wrote:
Hello All,
how would I get myself a working (and easy to use) GUI-library?
There are two main GUI libraries at the moment: Gtk2Hs and wxHaskell.
http://haskell.org/gtk2hs/
http://wxhaskell.sourceforge.net/
Both will work with current
On Wed, 2006-03-08 at 11:25 +0100, John Hughes wrote:
When I surveyed Haskell users, I asked respondents to name the most
important tools and libraries they use. (Caveat: respondents saw the
list of tools and libraries already named, and could include these just
by selecting them, so tools
On Wed, 2006-03-01 at 22:58 +, Ben Rudiak-Gould wrote:
Duncan Coutts wrote:
hIDE and Visual Haskell use the ghc lexer and get near-instantaneous
syntax highlighting.
Hmm... I just installed Visual Haskell 0.1, and when I type in the editor,
CPU usage rises to about 70% and there's
On Thu, 2006-02-23 at 18:19 -0800, jeff p wrote:
Hello,
I am running ghc 6.4.1 on mac os X (10.4.5). Can anyone give me some
pointers for getting graphics functionality?
I have tried wxhaskell, but it gives me the error
HelloWorld.hs:4:0:
Failed to load interface for
On Wed, 2006-02-01 at 13:21 +, Graham Klyne wrote:
Thiago Arrais wrote:
EclipseFP 0.9.1 has been released since last Friday. It is an
open-source development environment for Haskell code.
EclipseFP integrates GHC with an Haskell-aware code editor and also
supports quick file
On Thu, 2006-01-26 at 14:25 +0100, Andrew U. Frank wrote:
There are several graphics packages to select from... But which one is
the easiest to work with for students for a ghci - windows environment.
I sense that cairo / gtk2hs does not support ghci.
At the moment we can make it work
On Tue, 2006-01-17 at 13:42 -0600, Green Bryan - bgreen wrote:
Does anyone know of libtiff having been wrapped for Haskell? If not,
where could I find a good tutorial on wrapping a c library with
functions that have variable argument parameters?
The Haskell FFI does not support calling
On Sun, 2006-01-08 at 17:01 +, Joel Reymont wrote:
I compiled a simple one-liner: main = print Blah.
This is the GC report:
5,620 bytes allocated in the heap
0 bytes copied during GC
0 collections in generation 0 ( 0.00s)
0 collections in
On Mon, 2005-12-12 at 07:43 +0200, Einar Karttunen wrote:
Hello
It seems that opening the same file multiple times (one writer
and multiple readers) is not supported at least on *nix with
GHC. I want to use one Handle to use append data till the
end of the file while other Handles perform
On Mon, 2005-12-12 at 09:52 -0800, Donn Cave wrote:
Of course there's a risk that the authors of ghc may notice that
we're doing this and come up with a way to thwart it, but it seems
to me that between interfering with legitimate applications and not
working reliably anyway, there'd be a
On Thu, 2005-12-08 at 11:29 -0800, Jeremy Shaw wrote:
Why should inferring uniqueness be all that fragile? A uniqueness checker
can be
rather robust, as is demonstrated by the Clean one.
Fragile could refer to the fact that a relatively small looking change
to your code could have a
On Fri, 2005-12-09 at 00:24 +0200, raptor wrote:
hi,
I imported :
import Data.Map as Map
but now anywhere when I want ot use map it complains for
name clashes, so I have to specifiy Prelude.map all the time.
Is there a way to specify that i mean Prelude not Data 'map' (but not fqn)
I
On Sat, 2005-11-26 at 00:17 -0500, Dimitry Golubovsky wrote:
Do there exist Haskell graphics/UI toolkits implemented on top of the
X11 library (Xlib) without any intermediate C/C++ libraries (i. e. not
WxHaskell for example)?
I have a very low level client-side interface to the X11
On Mon, 2005-11-21 at 15:14 -0500, Michael Benfield wrote:
I'm new to Haskell. I'm apparently misunderstanding something here.
When I run this program:
-
module Main where
import System.Posix
import System.CPUTime
printTime = getCPUTime = putStrLn . show
main = printTime
On Mon, 2005-11-14 at 11:03 +0100, Wolfgang Jeltsch wrote:
Am Sonntag, 13. November 2005 22:05 schrieb Gour:
[...]
The question is if HTML is sufficient. In addition, HTML is at some
points not well thought-out.
True, but considering the present situation, it is all what is
On Mon, 2005-09-26 at 10:36 +0200, Gracjan Polak wrote:
Simon Peyton-Jones wrote:
Hmm. Q is a monad, so I think
fail :: Monad m = String - m a
will do the job.
'recover' should catch the exception, and let you try something else.
So I think I have bug report :)
Haskell-cafe
On Wed, 2005-09-14 at 18:24 +0200, Joel Reymont wrote:
On Sep 14, 2005, at 5:54 PM, Arthur Baars wrote:
This means you can get and set the checked property for
checkboxes.
for example:
c - get cbEdit checked
set cbEdit [checked := not c ]
Any particular reason to enclose the
On Mon, 2005-08-29 at 16:59 -0400, Mark Goldman wrote:
I have looked around the net, and in some reference books and I cannot
find a function to convert a Float to a Double directly. Can there
truly be no such animal in the Prelude/standard libs?
In the Prelude there is
realToFrac ::
On Mon, 2005-08-22 at 15:45 +0200, Sebastian Sylvan wrote:
I haven't found any issues with wxHaskell misbehaving when it's called
from different threads, but I'd like to know for sure that it's
actually honest-to-goodness thread safe. So does anyone know?
Actually here's an even more direct
On Mon, 2005-08-22 at 18:13 +0200, Sebastian Sylvan wrote:
On 8/22/05, Duncan Coutts [EMAIL PROTECTED] wrote:
On Mon, 2005-08-22 at 15:45 +0200, Sebastian Sylvan wrote:
I haven't found any issues with wxHaskell misbehaving when it's called
from different threads, but I'd like to know
On Mon, 2005-07-25 at 13:47 +, John Goerzen wrote:
On 2005-07-25, Simon Marlow [EMAIL PROTECTED] wrote:
On 23 July 2005 03:38, Duncan Coutts wrote:
Thanks for describing the problem in detail, I understand it better now.
I think it comes down to this conflict:
- you want to take
On Mon, 2005-07-25 at 10:08 -0500, John Goerzen wrote:
On Mon, Jul 25, 2005 at 04:05:15PM +0100, Duncan Coutts wrote:
On Mon, 2005-07-25 at 13:47 +, John Goerzen wrote:
- our bound threads design does not require the implementation
to support lightweight threads, and hence
On Sat, 2005-07-23 at 22:49 +0200, Jan Scott wrote:
Hi,
Has anyone ever tried to build Ghc with Microsofts c compiler (msvc) ?
GHC relies quite heavily on gcc. GHC's C code backend uses a number of
GNU C extensions I believe.
I think it would be a great deal of work to make it use msvc. And
On Fri, 2005-07-22 at 15:36 +0200, Sebastian Sylvan wrote:
Haskell is beautiful, but it does have its warts. A Haskell 2.0 could
incorporate some non-backwards-compatible changes which would make
things a bit nicer.
There are tons of useful extensions in GHC which should be included.
From my
On Wed, 2005-07-20 at 16:10 +0100, Simon Marlow wrote:
On 20 July 2005 14:35, John Goerzen wrote:
I'm looking at packaging an event-driven console widget set (CDK) for
Haskell using FFI. I know that other event-driven widget sets have
Haskell bindings, but I'm not quite sure how to make
On Sun, 2005-07-17 at 04:46 +, Terrence Brannon wrote:
When I remove my various trace statements, I get what I want:
*Main printPicture $ superimposeImage imgA imgB
...##...
So the question is, how can I
On Tue, 2005-06-28 at 12:11 +0300, Radu Grigore wrote:
On 6/27/05, Arjun Guha [EMAIL PROTECTED] wrote:
It's the all-pairs
shortest paths data for a map of the Hyde Park area of Chicago (no real
reason, really).
I wonder: is there really no way to do Floyd-Warshall in Haskell?
Indeed I
On Sat, 2005-06-25 at 03:39 -0400, Dimitry Golubovsky wrote:
I am pleased to announce the very first alpha release of the (yet
another) FFI binding autogeneration tool.
[...]
http://www.golubovsky.org/repos/hsffig/
I will appreciate any feedback.
You may be interested to know that there
On Tue, 2005-06-28 at 20:13 -0400, Arjun Guha wrote:
As a self-taught Haskell programmer of about a year, I'm really
interested in seeing your colleague's code. I'd like to know what I
did wrong. How about after two weeks? I think that's reasonable!
I'm sure we'll publish our entry
On Fri, 2005-06-03 at 10:53 +0200, Gracjan Polak wrote:
As intern behaves like id and does not have any side effects, I thought
its interface should be purely functional. But I do not see any way to
do it :( I'll end up with a monad, probably.
In related question: does anybody here have
On Wed, 2005-05-18 at 18:19 +0100, Colin Paul Adams wrote:
I'm trying to download a darcs client, but I get:
The connection was refused when trying to connect to www.haskell.org
from Firefox on Linux.
haskell.org was down for some time yesterday. It's back now and
everything should be
On Wed, 2005-05-04 at 18:29 -0400, Jacques Carette wrote:
There is also Template Haskell vs MetaOCaml.
For the life of me, I still cannot fathom why Template Haskell is untyped,
while MetaOCaml is fully typed. Which is
the main reason I write meta-program in MetaOCaml and 'other' programs
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