RailsOnMaui Links to slides, talk, etc. This example application covers four Rails Refactoring techniques: Concerns, Decorators, Presenters, and moving code to models. It builds on the Ruby on Rails Tutorial: sample application by Michael Hartl: Ruby on Rails Tutorial: Learn Web Development with Rails. However, it is changed in that minors cannot post profanity. If you login as "firstname.lastname@example.org", password "foobar", you get the minor profanity checking behavior. There is no UI for setting a user to be a minor, FYI.