Archive for the 'haskell' Category
Posted in haskell on April 16th, 2007 2 Comments »
Simon Peyton Jones will be giving two Haskell-related talks at OSCON in July! As far as I know, this will be the first time that Haskell gets an airing at a general-interest conference. Simon is a fantastic speaker, so if you were going to OSCON anyway, you absolutely should not miss his talks.
One of Simon’s [...]
Posted in haskell on April 12th, 2007 1 Comment »
This year, the Haskell.org community has
had nine projects funded by Google, out of 64 student applications.
We had mentoring capacity for over 20 projects, so the final number
was decided by Google, not by our ability to deal with them.
Congratulations to those who were accepted! And to those who were
not, take heart; the competition was tight.
Most [...]
Posted in haskell on March 2nd, 2007 1 Comment »
From diffbavis on #haskell:
> sum (map ord “al gore”)
666
Posted in haskell on February 27th, 2007 19 Comments »
Someone showed up on #haskell yesterday, asking how to use regular
expressions. This isn’t a completely straightforward question to
answer. While Haskell’s regexp libraries provide the same
functionality you’ll find in Perl, Python, and Java, they provide a
rich and fairly abstract interface that can be daunting to newcomers.
So let’s fix that, and strip away the abstractions [...]
Posted in haskell on February 20th, 2007 1 Comment »
The Haskell community has a very nice implementation-independent
mechanism for building libraries and applications, called
Cabal.
I spent a few hours over the past couple of days hacking on Cabal to
add the ability to build RPM packages. You can fetch my darcs
repository from here:
darcs get –partial http://darcs.serpentine.com/cabal-rpm
This new capability is easy to use. It adds a [...]
Posted in haskell, web on January 31st, 2007 4 Comments »
Even though I wrote my Haskell blog helper
tool
purely for my own use, I don’t want to store hard-coded strings in it,
lest my username and password escape into the wild.
This suggests that I need a small config file of some kind. I’m going
to walk through the parser I wrote for this config file, not as [...]
Posted in haskell, web on January 30th, 2007 1 Comment »
Since I started using WordPress to host my blog, I’ve generally been
fairly pleased with it. Its killer feature has to be Akismet, the
built-in spam filter. Akismet has so far killed over 18,000 spam
comments for me, or roughly 300 per day in the two months since I
switched from Blosxom to WordPress. Perhaps one [...]
Posted in haskell, open source on January 19th, 2007 2 Comments »
During my evening’s Haskell-related Googling, I came across a piece of software called Pancito, written by Andrew Cooke. Pancito is a Haskell package for manipulating images, and Andrew has a beautiful gallery of some of the work he’s done with it. It’s well worth a look.
(How did I find Pancito? Because I was playing with [...]
Posted in haskell on January 19th, 2007 1 Comment »
For the past number of years, whenever I’ve needed to write a parser for a language, I’ve turned to Terence Parr’s ANTLR. It’s a wonderful piece of software, far more capable than the old standbys lex and yacc. Just as appealing is the fact that it generates recursive-descent parsers that are easy to read and [...]
Posted in haskell on January 19th, 2007 1 Comment »
Rather than bemoan the state of prepackaged Haskell goodness for Fedora, I’ve started down the path of doing something about it. This morning, I put together new packages for Alex, a Haskell lexer, and Happy, a parser generator, and submitted them for consideration via the byzantine Extras review process. If you’re a Haskell hacker and [...]
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