Hello,
After reading Peter Norvig's take on writing a Sudoku solver (http://
norvig.com/sudoku.html)
I decided that I would port his program to Haskell, without changing
the algorithm, that'll make a nice exercise I thought
and should be fairly easy... Boy, was I wrong !
Anyway, I eventually
From: Malte Milatz <[EMAIL PROTECTED]>
Subject: Re: [Haskell-cafe] Norvig's Sudoku Solver in Haskell
Your program was wrapped by your mail client, so you may want to
hpaste
your program for easier digestion.
here it is : http://hpaste.org/2452
Your profiling output suggests that much tim
p his version on hpaste : http://hpaste.org/2452#a1
Manu
On Aug 26, 2007, at 10:56 PM, Daniel Fischer wrote:
Without much thinking I can spped it up by a factor of 4 (from 280s
to 60s).
The most important things are:
- don't use length unless you need it
instead of
newV2 <- case length n
From: Daniel Fischer
> Thought it was something like that.
> Must check whether that beats Norvig's constraint propagation.
it does !
on my machine :
Jon Harrop's : 12.5 sec and Norvig's : 15 sec
Manu
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Neil Mitchell wrotes :
Replicating actual tables with CSS is a nightmare - you shouldn't use
table's for lots of things,
I agree
but there are sometimes when it really is
the best option.
Which isn't the case here !
Nested lists would easily do the trick...
Fixing up the CSS and still kee
On Sep 11, 2007, Simon Marlow wrote:
Please, please, someone do this for me. I tried, and failed, to
get the
layout right for the contents list in all browsers at the same
time. The
semantics of CSS is beyond my comprehension.
Cheers,
Simon
Hi Simon,
On the page http://www.ha
On Sep 11, 2007, at 9:58 PM, Miguel Mitrofanov wrote:
Well, I'm not a web designer, but I did work with few of them, and it
seems to me that you either create a table design in two hours or
spend three days trying to create a CSS one and THEN create a table
design in two hours.
That's an exa
> The problem there is that nub is O(n^2).
Is there a place where one can look up the complexity of Standard
Libraries functions ?
E.D
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Hello
I am not sure it is appropriate to post to this mailing list to
inquire about a peculiar algorithm, if not let me know...
I was looking at one particular puzzle posted on the Facebook site,
'Wiretaps' (http://www.facebook.com/jobs_puzzles/?puzzle_id=11).
Briefly, you have 26 program
en Haskell and Clean is how side-effects
are allowed
(Uniqueness Types for Clean, and Monadic I/O for Haskell)
GHC also supports a lot of extensions beyong Haskell98.
Does it explain the difference in performances ? I don't know...
Experts please !
Manu
e.com/
blog/2007/09/25/what-the-heck-is-a-wide-finder-anyway/) that would
place Haskell right in the second position.
JoCaml is the fastest so far (http://eigenclass.org/hiki.rb?fast-
widefinder)...
Can Haskell do better ? Care to take a shot ?
Could not find module `Distribution.Program':
Use -v to see a list of the files searched for.
I give up...
Is there any simple way to do it though ? Is there any problems with
Cabal that I need to work around ?
Help !!
Manu
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Hello,
I'm trying to build diverse packages from Hackage with ghc 6.8.1,
they usually fail to build because of missing language extensions.
Sometimes I am unable to determine the proper name of the extension
missing in .cabal
I tend to slap {- #OPTIONS -fglasgow-exts #-} at the top of the
tr
Hello
still, trying to use a database with ghc 6.8.1 - patience running low
however :)
I now have troubles installing HDBC-sqlite3
the build fails like so :
>
$ runhaskell Setup.lhs build
Preprocessing library HDBC-sqlite3-1.1.3.0...
Utils.hsc:31:33:
error: hdbc-sqlite3-helper.h:
ding HDBC-sqlite3-1.1.3.0...
[3 of 7] Compiling Database.HDBC.Sqlite3.Utils ( dist/build/Database/
HDBC/Sqlite3/Utils.hs, dist/build/Database/HDBC/Sqlite3/Utils.o )
Database/HDBC/Sqlite3/Utils.hsc:74:8: parse error on input `import'
manu:/Volumes/data/Downloads/HDBC/hdbc-sqlite3 manu$
>>>
Hello
I should think a bit before posting to the list, sorry for the
pollution !
this error :
Database/HDBC/Sqlite3/Utils.hsc:74:8: parse error on input `import'
manu:/Volumes/data/Downloads/HDBC/hdbc-sqlite3 manu$
can be avoided by adding ForeignFunctionInterface to the extensions
Hello
I've spent a few days trying to install all the packages required to
use HaskellDB with either MySQL or SQlite3
(the only 2 DB the host I was thinking about is supporting)
Well, I am giving up ! I seriously regret replacing ghc-6.6 with
ghc-6.8, I didn't expect that building packages
uldn't get past...
I didn't bother with hsql-mysql-1.7 since Duncan Coutts mentioned it
required significant work (and I cannot do much)
Manu
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still is largely marginal (like
say... websites).
Manu
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hello,
has anybody managed to build hdbc-sqlite3 with ghc 6.8.2 ?
I get the following error :
Macintosh:HDBC-sqlite3-1.1.3.0 manu$ runhaskell Setup.lhs build
Preprocessing library HDBC-sqlite3-1.1.3.0...
ghc-6.8.2: unrecognised flags: -F/Users/manu/Library/Frameworks
Usage: For basic
Hello,
I'd be interested to know if anybody had managed to build c2hs on a
mac recently
because I've tried the current darcs version, c2hs-0.14.5,
c2hs-0.14.3, c2hs-0.13.6, etc...
to no avail
I get this with c2hs-0.14.5 :
./Setup.hs configure
./Setup.hs:11:57:
Couldn't match expected
ursue it as a serious programming languages
Till now I have referred Haskell wiki and have tried everywhere but does not
seem to learn it
PLZ, PLZ HELP ME OUT
--
Regards
MANU
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