[Haskell-cafe] ANN: cabal-ghci 0.1

2011-09-09 Thread Etienne Laurin
Hello fellow hackers. Here is a helpful package I wrote to ease the development of projects using cabal. It includes a :cabalset ghci command to set ghci options for your project, and a cabal-ghci executable to launch ghci with those options. Do you get errors when loading your project into

Re: [Haskell-cafe] mapM is supralinear?

2011-09-09 Thread Ertugrul Soeylemez
Roman Cheplyaka r...@ro-che.info wrote: In general it's a bad idea to use mapM over IO. Could you explain why? Most applications don't require loading the entire result into memory, so a combinator like foldM is more appropriate. You should use mapM over IO only, when the list is short, or

Re: [Haskell-cafe] mapM is supralinear?

2011-09-09 Thread John Lato
From: Daniel Fischer daniel.is.fisc...@googlemail.com On Friday 09 September 2011, 00:41:11, Roman Cheplyaka wrote: * Ertugrul Soeylemez e...@ertes.de [2011-09-07 16:20:03+0200] In general it's a bad idea to use mapM over IO. Could you explain why? Take it with a grain of salt, there's

[Haskell-cafe] Haskell Platform Older Releases for Linux

2011-09-09 Thread Luis Cabellos
Hi, I search the Haskell Platform webpage for older releases, I found it but maybe it's worth to put a table of older releases as tar.gz file with their ghc dependency, like (versions totally make up): HP 2011.2.0.0 source, March 2011. - ghc 13.1 HP 2010.2.0.0 source, July 2010. - ghc 3.14

[Haskell-cafe] matrix manipulations and calculations

2011-09-09 Thread Thomas Friedrich
Hi everyone, I need to do a lot of matrix manipulation and it needs to be fast. There seems to be a whole bunch of packages dealing with matrix calculations on HackageDB. I am wondering, what is the current state-of-the-art? I started of using hmatrix [1] now. However, I eventually would like

Re: [Haskell-cafe] matrix manipulations and calculations

2011-09-09 Thread Aleksey Khudyakov
On Fri, Sep 9, 2011 at 3:13 PM, Thomas Friedrich i...@suud.de wrote: I started of using hmatrix [1] now.  However, I eventually would like to use some functions from the statisics-package [2].  They both use different types for their vector representations.  In hmatrix a vector is of type

Re: [Haskell-cafe] Converting wiki pages into pdf

2011-09-09 Thread mukesh tiwari
Thank you all for replying. I managed to write a python script. It depends on PyQt4 . I am curious if we have any thing like PyQt4 in Haskell. import sys from PyQt4.QtCore import * from PyQt4.QtGui import * from PyQt4.QtWebKit import *

Re: [Haskell-cafe] Converting wiki pages into pdf

2011-09-09 Thread Michael Snoyman
On Fri, Sep 9, 2011 at 3:16 PM, mukesh tiwari mukeshtiwari.ii...@gmail.com wrote: Thank you all for replying. I managed to write a python script. It depends on PyQt4 . I am curious if we have any thing like PyQt4  in Haskell. import sys from PyQt4.QtCore import * from PyQt4.QtGui import *

[Haskell-cafe] Leipzig (Germany) Haskell Workshop 7 October - Program and Registration

2011-09-09 Thread Johannes Waldmann
Dear all, the 6th Haskell in Leipzig workshop, on October 7, will present an absolutely thrilling mixture of tutorials and talks, with special emphasis on parallel programming. for details and registration, http://portal.imn.htwk-leipzig.de/events/hal6-haskell-workshop See you - Johannes

Re: [Haskell-cafe] matrix manipulations and calculations

2011-09-09 Thread Stefan Kersten
On 9/9/11 1:44 PM, Aleksey Khudyakov wrote: If you install hmatrix with -fVector key it will use storable vectors from vector package. that flag defaults to True, so the representations are actually the same by default:

Re: [Haskell-cafe] Haskell Platform Older Releases for Linux

2011-09-09 Thread Joachim Breitner
Hi, Am Freitag, den 09.09.2011, 13:02 +0200 schrieb Luis Cabellos: I search the Haskell Platform webpage for older releases, I found it but maybe it's worth to put a table of older releases as tar.gz file with their ghc dependency, like (versions totally make up): HP 2011.2.0.0

[Haskell-cafe] First CfP: International Conference on Test and Proofs (TAP 2012), Next Deadline: 2011-12-14

2011-09-09 Thread Achim D. Brucker
(Apologies for duplicates) CALL FOR PAPERS Full and short Research Paper, Industrial Expierence Papers, Tool Papers Abstract submission: Dec 14, 2011, Paper submission Dec 21, 2012 6th INTERNATIONAL CONFERENCE ON TEST AND PROOFS (TAP 2012)

Re: [Haskell-cafe] matrix manipulations and calculations

2011-09-09 Thread Ben
patrick perry has a nice binding to some of BLAS and LAPACK https://github.com/patperry/hs-linear-algebra it's been a while but i think it uses Vector. hope he doesn't mind me publicizing it! b On Sep 9, 2011, at 6:23 AM, Stefan Kersten wrote: On 9/9/11 1:44 PM, Aleksey Khudyakov wrote: If

Re: [Haskell-cafe] ANN: cabal-ghci 0.1

2011-09-09 Thread Peter Simons
Hi Etienne, Here is a helpful package I wrote to ease the development of projects using cabal. thank you very much for this helpful tool! I notice that Haddock has trouble parsing the documentation: http://hackage.haskell.org/packages/archive/cabal-ghci/0.1/logs/failure/ghc-7.2 Is that

Re: [Haskell-cafe] ANN: cabal-ghci 0.1

2011-09-09 Thread Jason Dagit
On Thu, Sep 8, 2011 at 11:06 PM, Etienne Laurin etie...@atnnn.com wrote: Hello fellow hackers. Here is a helpful package I wrote to ease the development of projects using cabal. It includes a :cabalset ghci command to set ghci options for your project, and a cabal-ghci executable to launch

[Haskell-cafe] compiler pragma's

2011-09-09 Thread Vasili I. Galchin
Hello, Is there a list of compiler pragmas? Specifically I am looking at how to specify more than one type variable in a class definition. Also I have forgotten the meta syntax for specifying a pragma ... some kind of Haskell comment? Thanks, Vasili

Re: [Haskell-cafe] ANN: cabal-ghci 0.1

2011-09-09 Thread Etienne Laurin
Here is a helpful package I wrote to ease the development of projects using cabal. Is :cabalset custom per project or could I put the same things in my ~/.ghci? Everytime I run :cabalset or cabal-ghci, it looks for a .cabal file in my current directory or any of its parents, it loads the

Re: [Haskell-cafe] ANN: cabal-ghci 0.1

2011-09-09 Thread Etienne Laurin
thank you very much for this helpful tool! :) I notice that Haddock has trouble parsing the documentation:  http://hackage.haskell.org/packages/archive/cabal-ghci/0.1/logs/failure/ghc-7.2 Is that error hard to fix? I have uploaded a new version of the source with haddock documentation.

Re: [Haskell-cafe] ANN: cabal-ghci 0.1

2011-09-09 Thread Jason Dagit
On Fri, Sep 9, 2011 at 2:44 PM, Etienne Laurin etie...@atnnn.com wrote: Here is a helpful package I wrote to ease the development of projects using cabal. Is :cabalset custom per project or could I put the same things in my ~/.ghci? Everytime I run :cabalset or cabal-ghci, it looks for a

Re: [Haskell-cafe] compiler pragma's

2011-09-09 Thread Ivan Lazar Miljenovic
On 10 September 2011 07:41, Vasili I. Galchin vigalc...@gmail.com wrote: Hello,    Is there a list of compiler pragmas? They are located in the documentation for the implementation that you're using. In particular, ghci will suggest possible pragmas. Specifically I am looking at how to