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Concerning free software, programming, and whatever else I find interesting. Also the blog for my Web site,

Quick and dirty plotting with Haskell + Gnuplot

Posted 12-28-2012 at 05:13 PM by hydraMax (Bits and Pixels)
Updated 12-28-2012 at 05:17 PM by hydraMax
Tags haskell

Assuming you are a Haskeller, you can get a simply x-y plot up very quickly with the gnuplot interface module. This is useful for getting a rough graphical view of some function. Simply...

1. install Gnuplot (through your package manager)
2. cabal install gnuplot
3. use ghci:

$ ghci
GHCi, version 7.4.1:  :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ...
Attached Images
File Type: png image3023.png (29.8 KB, 3 views)
Posted in Uncategorized
Views 3599 Comments 0 hydraMax is offline

Dorito Thief Strikes Again!

Posted 12-27-2012 at 11:25 PM by hydraMax (Bits and Pixels)
Tags humor
Posted in Uncategorized
Views 642 Comments 0 hydraMax is offline

Haskell solves the problem of unexpected IO side effects

Posted 12-20-2012 at 02:40 PM by hydraMax (Bits and Pixels)
Updated 12-20-2012 at 02:46 PM by hydraMax
Tags haskell, humor

Programmers are universally familiar with the challenges of dealing with unwanted side effects in IO operations. Few are aware, however, that the Haskell programming language provides a very straightforward approach to dealing with this problem, packaged in a convenient module:

The solution involves making available a full existential state as a retrievable value. This value...
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Views 648 Comments 0 hydraMax is offline


Posted 12-08-2012 at 03:38 AM by hydraMax (Bits and Pixels)

Here's a weird one that recently hit the Gentoo repositories:


Basically, it replays the access log for your Web server - video game style! Using opengl, it transforms your Web log into a colorful version of Pong: each time you get a hit, the paddle for that virtual host (if in vhost paddle mode) intercepts the ball, also displaying the return code and the page accessed. Maintains a counter for the hits. Fun to watch, and also handy because you can adjust...
Posted in Uncategorized
Views 807 Comments 0 hydraMax is offline


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