main is usually a function

How can we pick a random Haskell function? Specifically, we want to write an IO action randomFunction :: IO ( Integer -> Bool ) wit...

I just released Propane , a Haskell libary for functional synthesis of images and animations. This is a generalization of my Repa -based qua...

I spoke before of using global locks in Haskell to protect a thread-unsafe C library. And I wrote about a GHC bug which breaks the most st...

The global sensation that is the Haskell Hackathon is coming to the Boston area. Hac Boston will be held January 20 to 22, 2012 in Cambri...

This article is about a GHC bug I encountered recently, but it's really an excuse to talk about some GHC internals at an intro level. (...

On the suggestion of a friend , I rendered this animation: This quasicrystal is full of emergent patterns, but it can be described in...

The Traveling Salesperson Problem (TSP) is a famous optimization problem with applications in logistics, manufacturing, and art . In its pl...

I uploaded the safe-globals package for Haskell, which lets you declare top-level mutable variables like so: {-# LANGUAGE TemplateHaskell ...

Yesterday I gave a talk on the topic of "Why learn Haskell?", and I've posted the slides [PDF] . Thanks to MIT's SIPB for...

Shell scripts make it easy to pass data between external commands. But shell script as a programming language lacks features like non-trivia...

Today I uploaded a small library for comparing Haskell values using a textual diff. This has served me well when diagnosing failing tests, ...

I gave a talk a while back which included an interpreter for the pi-calculus, and a compiler from the lambda-calculus to it. I didn...