With the release of Rails 4.0.0.rc1 it's time to try it out and report any bugs. Here I walk you through the steps to upgrade a Rails 3.2 application to Rails 4.
(12 minutes)
Here we take a look at two tools to aid us in development: Better Errors which makes it easier than ever to debug exceptions, and RailsPanel, a Chrome extension to see Rails requests.
(8 minutes)
Single Table Inheritance (STI) can help organize branching logic into separate classes, but a polymorphic association may be a better fit if there are unique database columns.
(14 minutes)
Compass improves the Sass experience by providing useful mixins, functions, and more. You will also learn how to make CSS sprites with it in this episode.
(9 minutes)
This episode continues on the Twitter Bootstrap project showing how to display flash messages, add form validations with SimpleForm, customize layout with variables, and switch to using Sass.
(12 minutes)