gdwe...@iue.edu wrote:
Thanks for the report!
It surprises me that curl is a problem.
I see on the curl web site there are multiple versions
for Windows:
The problem is not usually that the C library doesn't exist for Windows
(they tend to be widely portable, in fact). Rather, the problem
There are some instructions here for building curl with minGW
http://haskell.forkio.com/Home/curl-win32
I've never needed curl myself so haven't first hand experience, but
the guide is pretty recent thus one might expect it to work.
___
Haskell-Cafe
However, I haven't thought about how operations such as 'cons' and
'tail' would be implemented =). OP just asked about indexing ;-).
Hah, serves me right I suppose. I figured the promise of some type
fanciness would be catnip to some well-typed cats out there, but your
implementation is even
On Thu, Aug 19, 2010 at 9:57 PM, Felipe Lessa felipe.le...@gmail.com wrote:
However, I haven't thought about how operations such as 'cons' and
'tail' would be implemented =). OP just asked about indexing ;-).
Well if all you need is indexing, then an integer trie does it, right?
On 20/08/2010 1:35 PM, Jason Dagit wrote:
fairly easy .. you might want to check out the following tutorial ...
http://www.crsr.net/Programming_Languages/SoftwareTools/ch5.html
he implements a basic grep tool, you might then want to check out one of
the regex packages as a basis for your
Ertugrul Soeylemez wrote:
Heinrich Apfelmus wrote:
In particular, the World - (a,World) model is unsuitable even without
concurrency because it cannot distinguish
loop, loop' :: IO ()
loop = loop
loop' = putStr c loop'
I interpret the EDSL model to be the operational semantics
Maybe not helpful to you at this stage, but...
An alternative to generating source code is to factor out the common
boilerplate elements into separate functions, suitably parameterized, and to
use higher order functions to stitch these together.
An example of this kind of approach, which is
On Fri, 20 Aug 2010 08:30:24 +0200, Andrew Coppin
andrewcop...@btinternet.com wrote:
gdwe...@iue.edu wrote:
The problem is not usually that the C library doesn't exist for Windows
(they tend to be widely portable, in fact). Rather, the problem is that
Cabal won't build the Haskell
Does Cabal have a way to produce binary distributions from a package?
I need to create a binary distribution of my project which does not
depend on GHC or any development tools. The package should include all
required data files and configuration files. I've got the latter
covered with Data-Files
Check out the userHooks in Cabal[1]. I believe you can use, e.g.
hookedPreProcessors[2], or preBuild to preprocess your files into
regular Haskell files before building takes place.
[1]:
http://www.haskell.org/ghc/docs/6.12.1/html/libraries/Cabal/Distribution-Simple-UserHooks.html#t%3AUserHooks
On Fri, Aug 20, 2010 at 6:05 AM, Jason Dagit da...@codersbase.com wrote:
On Thu, Aug 19, 2010 at 8:05 PM, Michael Litchard mich...@schmong.orgwrote:
I'd like the community to give me feedback on the difficulty level of
implementing an awk interpreter. What language features would be
On 19 August 2010 21:15, Andrew Coppin andrewcop...@btinternet.com wrote:
Daniel Fischer wrote:
Yes, when cabal runs haddock on a package, it generates a comprehensive
index if none is present or expands it with the new docs.
Quite cool that :)
It's something I've always _wanted_ Cabal to
On Fri, Aug 20, 2010 at 10:18, Christopher Done
chrisd...@googlemail.com wrote:
Does Cabal have a way to produce binary distributions from a package?
I need to create a binary distribution of my project which does not
depend on GHC or any development tools. The package should include all
On 20 August 2010 10:18, Christopher Done chrisd...@googlemail.com wrote:
Does Cabal have a way to produce binary distributions from a package?
No but it's not too hard to do.
If you actually want an RPM or a DEB etc, then look into the cabal2rpm
etc tools, they help automate the process.
If
On 19/08/2010 18:21, John Millikin wrote:
On Wed, Aug 18, 2010 at 23:33, Jason Dagitda...@codersbase.com wrote:
The main reason I would use iteratees is for performance reasons. To help
me, as a potential consumer of your library, could you please provide
benchmarks for comparing the
Graham Klyne GK at ninebynine.org writes:
[...] rather than go through the step of
generating source code and feeding it back into a Haskell compiler, it may be
possible to use higher order functions to directly assemble the required logic
within a single program. For me, this is one of the
Can anyone point me towards existing work I could use? Open course
material and syllabuses I could use, with the necessary references?
If I was to do the same, and my students already knew haskell (which will be
the case after a few courses), I'd certainly read Chris Okasaki's book (or his
On Fri, Aug 20, 2010 at 3:57 AM, Luke Palmer lrpal...@gmail.com wrote:
On Thu, Aug 19, 2010 at 9:57 PM, Felipe Lessa felipe.le...@gmail.com wrote:
However, I haven't thought about how operations such as 'cons' and
'tail' would be implemented =). OP just asked about indexing ;-).
Well if all
Hi all,
I have release gtkimageview, it's a Gtk APIs for build image viewer.
Here is screenshot :
http://www.flickr.com/photos/48809...@n02/4909785139/
You can click right-bottom to popup navigate window to drag area in
image.
Here is demo :
Duncan Coutts duncan.cou...@googlemail.com writes:
On 19 August 2010 21:15, Andrew Coppin andrewcop...@btinternet.com wrote:
Daniel Fischer wrote:
Yes, when cabal runs haddock on a package, it generates a comprehensive
index if none is present or expands it with the new docs.
Quite cool
On 20 August 2010 14:20, Johannes Waldmann waldm...@imn.htwk-leipzig.de wrote:
Here's another instance of the machine (*) telling me what to do,
instead of doing it (or am I missing something):
I have a large set of cabal packages installed with ghc.
Then suddenly I need some package Foo with
On Friday 20 August 2010 15:20:41, Johannes Waldmann wrote:
Here's another instance of the machine (*) telling me what to do,
instead of doing it (or am I missing something):
I have a large set of cabal packages installed with ghc.
Then suddenly I need some package Foo with profiling.
So I
Daniel Fischer daniel.is.fischer at web.de writes:
The problem is that otherpackages may depend on them too, so when cabal
automatically reinstalls, those can break.
how can this be - if the re-installed package is compiled
from the exact original source (as I just learned, cabal stores the
On Fri, Aug 20, 2010 at 4:07 PM, Johannes Waldmann
waldm...@imn.htwk-leipzig.de wrote:
Of course I understand lack of developer time.
Could any of this be forked out as student projects?
These kind of projects are perfect for Google Summer of Code. We had two
Cabal projects this year
Johannes Waldmann waldm...@imn.htwk-leipzig.de writes:
Daniel Fischer daniel.is.fischer at web.de writes:
The problem is that otherpackages may depend on them too, so when cabal
automatically reinstalls, those can break.
how can this be - if the re-installed package is compiled
from the
Could any of this be forked out as student projects?
I will teach a course (Sept. - Jan.) that introduces Haskell
(students know Java). Part of the coursework is a programming project.
I could assign some cabal tickets - but perhaps that's a bit far-fetched
(requires understanding of the ghc
Johannes Waldmann waldmann at imn.htwk-leipzig.de writes:
I will teach a course (Sept. - Jan.)
noh, it's Oct. - Jan.
otherwise it'd be too much of a good thing ...
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On Fri, Aug 20, 2010 at 04:01, Simon Marlow marlo...@gmail.com wrote:
Handle IO is also doing Unicode encoding/decoding, which iteratees bypass.
Have you thought about how to incorporate encoding/decoding?
Yes; there will be a module Data.Enumerator.Text which contains
locale-based IO,
On Fri, Aug 20, 2010 at 12:51 PM, John Millikin jmilli...@gmail.com wrote:
Currently, I'm planning on the following type signatures for D.E.Text.
'enumHandle' will use Text's hGetLine, since there doesn't seem to be
any text-based equivalent to ByteString's 'hGet'.
CC'ing text's maintainer.
On Fri, Aug 20, 2010 at 08:59, Felipe Lessa felipe.le...@gmail.com wrote:
On Fri, Aug 20, 2010 at 12:51 PM, John Millikin jmilli...@gmail.com wrote:
Currently, I'm planning on the following type signatures for D.E.Text.
'enumHandle' will use Text's hGetLine, since there doesn't seem to be
any
On Fri, Aug 20, 2010 at 1:12 PM, John Millikin jmilli...@gmail.com wrote:
This thought occurred to me, but really, how often are you going to
have a 10 GiB **text** file with no newlines? Remember, this is for
text (log files, INI-style configs, plain .txt), not binary (HTML,
XML, JSON). Off
On 20 August 2010 11:43, Duncan Coutts duncan.cou...@googlemail.com wrote:
On 20 August 2010 10:18, Christopher Done chrisd...@googlemail.com wrote:
Does Cabal have a way to produce binary distributions from a package?
No but it's not too hard to do.
If you actually want an RPM or a DEB etc,
Hey autopackage looks swish! WiX also looks like a nice, more native
solution for Windows. Cheers!
On 20 August 2010 11:36, Magnus Therning mag...@therning.org wrote:
On Fri, Aug 20, 2010 at 10:18, Christopher Done
chrisd...@googlemail.com wrote:
Does Cabal have a way to produce binary
On Fri, Aug 20, 2010 at 09:30, Felipe Lessa felipe.le...@gmail.com wrote:
I was thinking about an attacker, not a use case. Think of a web
server accepting queries using iteratees internally. This may open
door to at least DoS attacks.
Web servers parse/generate HTTP, which is byte-based.
Thank you all for your encouragement. I need to think about the core
functionality, and do some reading.
On Fri, Aug 20, 2010 at 2:33 AM, Josef Svenningsson
josef.svennings...@gmail.com wrote:
On Fri, Aug 20, 2010 at 6:05 AM, Jason Dagit da...@codersbase.com wrote:
On Thu, Aug 19, 2010 at
There's a lot of examples of languages implemented in Haskell to choose
from, too
http://haskell.org/haskellwiki/Applications_and_libraries/Compilers_and_interpreters#Large_languages
michael:
Thank you all for your encouragement. I need to think about the core
functionality, and do some
Graham Klyne wrote:
Maybe not helpful to you at this stage, but...
An alternative to generating source code is to factor out the common
boilerplate elements into separate functions, suitably
parameterized, and to use higher order functions to stitch these
together.
Well, yeah, if you've
Henk-Jan van Tuyl wrote:
Curl compiles without problems on my Windows XP system. There is a
HaskellWiki page [0] that describes how to compile packages with Unix
scripts on Windows systems.
I did once try setting up MinGW and MSYS, just to see if I could make it
work. But after many, many
Duncan Coutts wrote:
Yes, when cabal runs haddock on a package, it generates a comprehensive
index if none is present or expands it with the new docs.
Quite cool that :)
It's something I've always _wanted_ Cabal to do, but this is the first time
I've ever seen it happen. I don't know
wren ng thornton wrote:
Andrew Coppin wrote:
I guess I just figured that since Cabal is used by hundreds of
millions of people every single day, any little glitches I might have
come across have already been seen by at least 1,000 people before me
(and hence, the developers already know about
On 20/08/10 17:30, Felipe Lessa wrote:
On Fri, Aug 20, 2010 at 1:12 PM, John Millikin jmilli...@gmail.com wrote:
This thought occurred to me, but really, how often are you going to
have a 10 GiB **text** file with no newlines? Remember, this is for
text (log files, INI-style configs, plain
Hi,
I have the following code, using equality constraints and (I believe)
RankNTypes:
{-# LANGUAGE MultiParamTypeClasses, TypeFamilies,
RankNTypes, ExistentialQuantification #-}
{-# LANGUAGE FlexibleInstances, TypeSynonymInstances #-}
-- import Math.Algebra.Group.PermutationGroup
--
On Fri, Aug 20, 2010 at 12:52, Magnus Therning mag...@therning.org wrote:
You don't need to send that much data, the current implementation of
Enumerator uses hGet, which blocks, so just send the server a few bytes and
it'll be sitting there waiting for input until it times out (if ever).
Open
Hello cafe,
although there was no announcement for version 0.1 there is one for
the current 0.2:
binary-generic allows to perform binary serialisation without
explicitly defining every type specific case.
If an algebraic type instantiates the 'Data' class the library is able
to serialize
On 20/08/10 22:32, John Millikin wrote:
On Fri, Aug 20, 2010 at 12:52, Magnus Therning mag...@therning.org wrote:
You don't need to send that much data, the current implementation of
Enumerator uses hGet, which blocks, so just send the server a few bytes and
it'll be sitting there waiting for
On 21.08.2010 01:38, Lars Petersen wrote:
* Float and Double are serialised big-endian according to binary-ieee754
I'd like to point out that binary-ieee754 is dead slow[1] and not usable
when one cares about performance. IMHO lack of ways to serialize
floating point data in IEEE754 format
On Fri, Aug 20, 2010 at 14:58, Magnus Therning mag...@therning.org wrote:
Indeed.
In many protocols it would force the attacker to send well-formed requests
though. I think this is true for many text-based protocols like
HTTP.
The looping can be handled effectively through hWaitForInput.
Hi,
I've just uploaded a new version of text-json-qq, the json quasiquoter.
Now it's possible (thanks to haskell-src-meta) to insert Haskell code
inside the qq-code:
myCode = [$jsonQQ| {age: | age + 34 :: Integer |, name: | map toUpper name
|} |]
where age = 34 :: Integer
name =
On Fri, Aug 20, 2010 at 7:14 AM, Johan Tibell johan.tib...@gmail.comwrote:
On Fri, Aug 20, 2010 at 4:07 PM, Johannes Waldmann
waldm...@imn.htwk-leipzig.de wrote:
Of course I understand lack of developer time.
Could any of this be forked out as student projects?
These kind of projects are
Andrew Coppin andrewcop...@btinternet.com writes:
Duncan Coutts wrote:
Yup, there's a ticket for it.
In fact, there appears to be a ticket for every single thing I
originally mentioned. And they're all ancient tickets too. So,
yeah... nothing to do here.
(Unless you're suggesting that
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 8/20/10 16:08 , DavidA wrote:
type Tensor u v =
(u ~ Vect k a, v ~ Vect k b) = Vect k (TensorBasis a b) -- **
IIRC this actually substitutes as
(forall k a b. (u ~ Vect k a, v ~ Vect k b) = Vect k (TensorBasis a b))
and the implicit
Just released 0.2. It has the text IO and codecs module, with support
for ASCII, ISO-8859-1, UTF-8, UTF-16, and UTF-32. It should be
relatively easy to add support for codec libraries like libicu or
libiconv in the future. Both encoding and decoding are incremental, so
you can (for example)
Hi John,
What do you think of putting those parsing functions like head, last,
length, etc, under another module or, alternatively, putting the main
definitions under another module (say, Base or Core)? I wouldn't mind
if they all get re-exported.
I say that because since the library aims to be
On Sat, Aug 21, 2010 at 12:30 AM, John Millikin jmilli...@gmail.com wrote:
Just released 0.2. It has the text IO and codecs module, with support
for ASCII, ISO-8859-1, UTF-8, UTF-16, and UTF-32. It should be
relatively easy to add support for codec libraries like libicu or
libiconv in the
On Fri, Aug 20, 2010 at 21:02, Paulo Tanimoto ptanim...@gmail.com wrote:
Hi John,
What do you think of putting those parsing functions like head, last,
length, etc, under another module or, alternatively, putting the main
definitions under another module (say, Base or Core)? I wouldn't mind
Hi all,
I've got a but it code below thats not quite working as I expect
it to. The basic idea is that it opens a master/slave pair of
pseudo terminals, forks a child process and then perform
bi-directional communication between the parent and the child
via the master/slave psuedo terminal.
The
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