Neil Mitchell's Blog (Haskell etc)

Summary: The new version of Uniplate has several wrappers for working with abstract data types, such as Map from the containers package. The...

The videos from the Haskell Implementors Workshop 2011 are now online at YouTube . I'm currently uploading them to Vimeo , but that wil...

Summary: This post describes how to write a function in Haskell, and then call it from R. R is a very popular language for statistics, pa...

I've just uploaded the slides for all the talks given at the Haskell Implementors Workshop 2011 - just click on "Slides" next...

Summary: The InfixE construction in Template Haskell fits poorly with generic programming, because its type does not capture all its restric...

If you create a WPF ComboBox with 2000 items it will take about 2 seconds to drop down, and about 1 second to retract back. But you can ma...

Summary: The let and lambda constructs give a precise way to control sharing, but their exact use can be tricky. This post gives some worked...

Summary: Submit to IFL 2011. It's a great breeding ground for ideas. The IFL 2011 submission deadline has been extended until 31st ...

Are you going to ICFP 2011 in Japan? Do you work with Haskell? You should consider offering a talk for the Haskell Implementors Workshop ! ...

Summary: This post describes how to change the gradient colors of the titlebar of a single window on Windows XP, using C#. On Windows XP the...

Summary: The Safe library has lots of small functions, none of which have INLINE pragmas on them. The lack of INLINE pragmas probably has no...

Last week I went to TFP 2011 , and gave a talk on Hoogle entitled "Finding Functions from Types". The slides are now available on...

Summary: CmdArgs can be used purely, and even if you choose to use it in an impure manner, you don't need to worry. As a result of my bl...

Summary: Everyone using GHC 7 should upgrade to CmdArgs 0.7. GHC's optimiser got better, so CmdArgs optimiser avoidance code had to get ...

Summary: Hoogle can now search the GHC source code. There are also lots of small improvements in the latest version. A few weeks ago Ranjit ...

Summary: Using the version control system Darcs is simple. This document describes the commands I use in my workflow. Darcs is my favourite...

My wife has just completed a draft of the experience report she's intending to submit to ICFP 2011 . It's called Functional Programm...

Summary: If you offer to help, I'll make Hoogle search your statically typed functional language. Hoogle is a search engine for Haskell...

Summary: Zero is a perfectly good number and functions should deal with it sensibly. In WinForms, both the Bitmap object and the DrawToBitma...

Summary: Hoogle Embed lets you include a small interactive Hoogle search box on your web page. I have just released Hoogle 4.2, which adds t...