The usual advice is to build something meaningful or useful for yourself. (Track time, fitness, recipes, baseball, build a blogging tool, etc.) Once you're com

The usual advice is to build something meaningful or useful for yourself. (Track time, fitness, recipes, baseball, build a blogging tool, etc.) Once you're comfortable with RoR you might branch out and build a Ruby gem or two, as these are relatively self-contained and allow you to focus on the language, testing principles, etc. (Some might suggest doing that first to become more comfortable with the language itself, but I think staying within the established bounds of the framework is a good way to get started.) Gems, and an accompanying GitHub profile, are also good for the resume if you intend to seek employment.