The Ruby Koans walk you along the path to enlightenment in order to learn Ruby. The goal is to learn...

Download hundreds of prepackaged @font-face kits

You know how you tell when an app for the iPhone was written in MonoTouch? It doesn’t leak memory...

Pretty much everyone who claims to have a REST API, in fact, does not. The closest I’ve found is...

As far as I know, the only plugin out there that handles this (semantic issue) correctly is Makandra’s Aegis...

Clockwork is a cron replacement. It runs as a lightweight, long-running Ruby process which sits alongside your web processes...

Just assign the existing attachment to another record: new_photo = Photo.new new_photo.image = old_photo.image Paperclip will duplicate the file when saving...

This is more tricky than it should be because url_for, asset_path, etc. all rely on different mechanisms.