Replicating macOS's screenshot utility on Linux

Admit it, the macOS screenshot utility is crazy good. Let's replicate it using a bash script and some help from scrot and imagemagick.

Ruby on Rails: DRY Controllers with Responders Gem

Everyone wants thinner controllers, right? I'll show you how to clean up the response blocks that Rails scaffolding creates automatically.

Ruby on Rails: Scopes

Let's make working with ActiveRecord models much easier by encapsulating some of our more commonly used record queries.