Announcing Carnival: an unobtrusive, developer-friendly way to add comments to any site.
Adding and testing authentication in Yesod.
What would it be like to program in a language without the frustrating concept of null? In our new book, Maybe Haskell, we explore exactly this.
A field report on using Halcyon for developing, testing, and deploying our first production Haskell application, Carnival.
With the release of a recent feature on the blog, we can now say something we’ve hoped to say for some time: we shipped Haskell to production! In this post, I’ll outline what we shipped, how it’s working out for us, and provide some solutions to the various hurdles we encountered.
I’ve just finished work on a small command line client for the
Heroku Build...
A programming language with a type system can help you
design abstractions and avoid mistakes.
Let’s take a deep dive in the Unix shell’s if statement.
We’ll cover syntax, negation, the test command, the [
command,
bracket-bracket, math and numerical comparisons,
and various rules for regular expressions.
If you find yourself getting validation errors when using...