Neil Mitchell's Blog (Haskell etc)

This year I am going to be participating in the Google Summer of Code as a student, for the haskell.org organisation , on the Haskell API S...

I previously requested a feature for darcs. I always pull from an http repo, and push over SSH. I have to push using --no-set-default and ...

I've just read issue 10 of The Monad.Reader . It's a great issue, including a tutorial on using the new GHCi debugger, and how to w...

I use optional parameters in my TagSoup library , but it seems not to be a commonly known trick, as someone recently asked if the relevant l...

I've been spending the last few months writing papers, which requires lots and lots of proof reading. Yesterday Tom shared one trick he...

I just read a blog article entitled Kid's play with HTML in Haskell , where the author extracts some information from an HTML document, ...

I have been demonstrating on the York University "Algorithms and Data Structures" course for 4 years now. As part of the course, f...

Sorting is currently a hot topic within the the Haskell community. Christopher brought it up in a recent thread on the mailing list, and t...

For the last few days I have been thinking about how to write a low-level program optimiser, based on the ideas from Supero . Supero works a...

I recently released Hoogle 3.1 , in response to a security bug spotted by Tillmann Rendel. Checking back through my records, I found that Bo...

Cabal is the standard method of packaging Haskell programs and libraries for release. One problem I've encountered more than once is th...

In a recent blog post by Conal , he introduced the joinMaybes' function, defined as: filterMP' :: MonadPlus m => (a -> Bool) ...

In normal programming languages, there are many keywords for flow control , such as for , while etc. These flow control keywords encode a p...

I use darcs all the time. I have 15 repos listed on my website , and at least an additional 10 that haven't made that list yet. The mai...

Not a Haskell post, just a rant about how evil British Telecom (BT) are. When I got home this Christmas I was welcomed with a router sitting...

The entire academic community is based on the idea of taking previous people's work, and building on it. "Standing on the shoulders...

Normal lists are indexed by position, an associative list is one which is indexed by some other key. Take for example my fruit basket at the...

There have been various posts to reddit , and various discussions in the last few days of slides from talks I've given on Supero. It...

I've been working right through the night for the IFL post-publication deadline, trying to get benchmarks for most of the imaginary nofi...

After writing a VBA Macro to convert a PowerPoint with animation into a flat PowerPoint without animation (suitable for conversion to PDF),...