Build a Twitter Game
Tutorial which uses AngularJS to build a Twitter game.
Using Rails, machine learning, geolocation APIs, and Twitter to find local customers.
PNG to S3 Service
Capture and transfer URL screenshots to Amazon S3 buckets.
Reddit in Sinatra - 2.0
Tutorial which adds validations and voting control to the original application.
Reddit in 10 Lines of Code
Tutorial which demonstrates seldom used features of Ruby.
Reddit in Sinatra
Tutorial which shows how to build Reddit using Ruby.