View: 
Categories
- Active Record
- Active Resource
- Active Support
- Administration
- Ajax
- APIs
- Authentication
- Authorization
- Background Jobs
- Caching
- Code Walkthrough
- Controllers
- Debugging
- Deployment
- eCommerce
- Forms
- Mailing
- Models
- Performance
- Plugins
- Production
- Rack
- Rails 2.0
- Rails 2.1
- Rails 2.2
- Rails 2.3
- Rails 3.0
- Rails 3.1
- Rails 3.2
- Rails 4.0
- Refactoring
- Routing
- Search
- Security
- Testing
- Tools
- Views
Rails Middleware Walkthrough
Here I describe each Rack middleware that is included in a Rails app which will give you a better understanding of what a request goes through behind the scenes before it hits your application.
(14 minutes)
Rails Modularity
Rails is a modular framework allowing you to include only what you need. Here I show how the smallest Rails app works, and then I take a look at how to whittle down a full Rails application stack.
(13 minutes)
Authentication with Warden
Warden makes it easy to move authentication up into Rack middleware. This means authentication can be accessed outside of a Rails controller such as in routes or in a mountable engine.
(12 minutes)