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Announcing Carnival: an unobtrusive, developer-friendly way to add comments to any site.
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Adding and testing authentication in Yesod.
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A field report on using Halcyon for developing, testing, and deploying our first production Haskell application, Carnival.
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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.
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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.
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I’ve just finished work on a small command line client for the
Heroku Build...
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A programming language with a type system can help you
design abstractions and avoid mistakes.
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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.
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If you find yourself getting validation errors when using...