Blog Archives

The Strange Loop conference was a blast

Last week, I flew to St Louis for the excellent Strange Loop conference, where I gave a 3-hour Haskell tutorial and a talk on how we use Haskell at my startup company, MailRank. Strange Loop is a pretty good approximation
Posted in haskell, open source

Fitter, happier, more productive UTF-8 decoding

The other night, I had a random whim to spend a couple of minutes looking at the performance of UTF-8 decoding in the Haskell Unicode text package. Actually, rather than look at the actual performance, what I did was use
Posted in haskell, open source

Here be dragons: advances in problems you didn’t even know you had

Here’s something I bet you never think about, and for good reason: how are floating-point numbers rendered as text strings? This is a surprisingly tough problem, but it’s been regarded as essentially solved since about 1990.Prior to Steele and White’s
Posted in haskell, open source, Uncategorized

A new week, a new JSON performance improvement

It’s been a few weeks since I last wrote about the aeson library for working with JSON in Haskell, but this isn’t because I’ve been idle. In fact, just tonight I put out a new release. Where the previous releases
Posted in haskell, open source

A little care and feeding can go a long way

Sometimes, when a software package meets a certain level of maturity (or the desire to hack on it fades sufficiently), it's tempting to consider it "done". Here's a little tale of when done isn't really done.About a week ago, I
Posted in haskell, open source

Faster, better, cleaner: new aeson and attoparsec releases

I’ve spent some time over the past few weeks improving the performance of the attoparsec parsing library, and of the aeson JSON library. Since they’ve now reached a new plateau of performance and stability, I thought this would be a
Posted in haskell, open source

So I went and started a company

I’m delighted to say that after a couple of years of a break from the startup world (which I’ve inhabited for most of the past decade), I’ve decided to throw my hat back into the ring. Together with Bethanye Blount,
Posted in open source

text is here

Posted in haskell, open source, Uncategorized

How to migrate from darcs to Mercurial or git

Posted in haskell, mercurial, open source

A brief tale of faster equality

Posted in haskell, open source