Take a deep dive into Rack by building Sinatra from scratch.

Delve deep into stdout, stderr, and pipes plus some neat tricks that you might not know.

Griddler has some useful new features, and we’ve updated our installation and configuration instructions.

We’re happy to announce that fake_braintree has a new maintainer.

Use CSVKit to parse CSV at the command line.

Use CSVKit to parse CSV at the command line.

Slice and dice your JSON with jq.

Go beyond the introductory tutorials and learn how to make a Chrome extension in JavaScript that actually does something.

Control Rdio from Vim using AppleScript, JavaScript, and duct tape.

Write a Vim plugin with confidence using TDD.