From the category archives:

Screencasts

My Podcasting Setup

by Charles Max Wood on December 20, 2012

Followers and Following

by Charles Max Wood on December 3, 2011

ActiveModel Callbacks

by Charles Max Wood on November 9, 2011

Model Generator

by Charles Max Wood on October 14, 2011

Ruby Koans

by Charles Max Wood on August 2, 2011