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Resque
Resque creates background jobs using Redis. It supports multiple queue and comes with an administration interface for monitoring and managing the queues.
(12 minutes)
CarrierWave File Uploads
CarrierWave makes it easy and clean to add file uploads to your application. It supports a variety of ORMs, frameworks and image processors.
(9 minutes)
Upgrading to Rails 3.1
It is incredibly easy to upgrade to Rails 3.1, but if you want to take advantage of the asset pipeline you will need to put in some extra effort. Have no fear because I walk you through each of the necessary steps in this episode.
(8 minutes)
CoffeeScript Basics
CoffeeScript allows you to write JavaScript in a concise, elegant fashion. Here I convert JavaScript code to CoffeeScript in a Rails 3.1 app.
(11 minutes)
Trees with Ancestry
The Ancestry gem works like a tree but also allows us to fetch deeply nested messages in a single query. It provides a method to arrange them after fetching.
(9 minutes)
Foreman
Foreman can help manage multiple processes that your Rails app depends upon when running in development. It also provides an export command to move them into production.
(4 minutes)
Testing Time & Web Requests
It can be difficult to test code that deals with the current time or an external web request. Here I show you how to do both using the Timecop and FakeWeb gems.
(8 minutes)
Sass Basics
Sass extends CSS with variables, nesting, mixins and more. Here I show how to convert plain CSS to SCSS in a Rails 3.1 app.
(13 minutes)
Nested Model Form Part 2
Add and remove nested model fields dynamically through JavaScript using either Prototype or jQuery.
(12 minutes)
Client Side Validations
Showing validation errors inline as the user is filling out the form can lead to a better use experience. Learn how to do this using the Client Side Validations gem.
(8 minutes)