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Upgrading to Rails 3 Part 2
Episode #226Aug 09, 201026 comments

Upgrading to Rails 3 Part 2

Here we continue upgrading an application to Rails 3 by getting our specs up and running and going through the rails_upgrade plugin. (12 minutes)
Upgrading to Rails 3 Part 1
Episode #225Aug 02, 201036 comments

Upgrading to Rails 3 Part 1

In the first part of this series on upgrading a Rails 2 application to Rails 3, we'll start off by setting up Rails 3.0 Release Candidate in a clean environment. The rails_upgrade plugin will then help us determine what needs upgrading. (11 minutes)
Controllers in Rails 3
Episode #224Jul 26, 201017 comments

Controllers in Rails 3

Embedded flash notices, permanent cookies, and the details of respond_with are in this episode. (10 minutes)
Charts
Episode #223Jul 19, 201062 comments

Charts

There are a number of libraries to help create graphs. Here I show how to integrate Highcharts into a Rails app. (16 minutes)
Rack in Rails 3
Episode #222Jul 12, 20105 comments

Rack in Rails 3

The router in Rails 3 is fully compatible with Rack. Learn how to embed Sinatra into an app, handle redirects, and improve on Rails Metal. (8 minutes)
Subdomains in Rails 3
Episode #221Jul 05, 201063 comments

Subdomains in Rails 3

It is now possible to add subdomains to Rails 3 without the use of additional plugins. Learn how in this episode. (13 minutes)
PDFKit
Episode #220Jun 28, 201071 comments

PDFKit

Generating PDFs in plain Ruby can be a lot of work. Instead, consider generating PDFs from HTML using PDFKit. (8 minutes)
Active Model
Episode #219Jun 21, 201033 comments

Active Model

In Rails 3 the non-database functionality of Active Record is extracted out into Active Model. This allows you to cleanly add validations and other features to tableless models. (6 minutes)
Making Generators in Rails 3
Episode #218Jun 14, 201012 comments

Making Generators in Rails 3

Generators in Rails 3 have been rewritten to use Thor which means the code used to create a generator is quite different. Here you will learn the new way to make generators in Rails 3. (10 minutes)
Multistep Forms
Episode #217Jun 07, 201054 comments

Multistep Forms

See how to create a multi-step (wizard) form from scratch in this episode. (15 minutes)