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rails 3 x
Handling Exceptions (revised)
By default, Rails will render a static error file when an exception occurs in production. Here you will learn how to fully customize this behavior and render dynamic error pages.
(11 minutes)
ERB Blocks in Rails 3
Blocks in ERB templates are handled differently in Rails 3.0 Beta 2. Learn all about it in this episode.
(9 minutes)
Mountable Engines
Engines are receiving a major update in Rails 3.1. You can mount them at any path, embed assets, run generators and more. See how in this episode.
(13 minutes)
Pagination with Kaminari
If you need pagination in Rails 3 try out Kaminari. It is a clean, flexible solution which uses scopes to flow nicely with Active Record queries. Did I mention it also works with Mongoid?
(8 minutes)
Bundler (revised)
Bundler makes it easy to manage Ruby Gem dependencies. Learn how to use it in a Rails application, see what's new in Bundler 1.1, convenient ways to run bundle exec, and how to fix gem compilation issues.
(9 minutes)
Chef Solo Basics
Chef is a provisioning tool which allows you to spin up production servers automatically. Here I show how to get started with Chef Solo and create a custom cookbook.
(17 minutes)
Sending HTML Email
HTML email can be difficult to code because any CSS should be made inline. Here I present a few tools for doing this including the premailer-rails3 and roadie gems.
(5 minutes)
Routing Walkthrough Part 2
In this episode we continue our look into the Rails 3 router by exploring the Mapper class.
(13 minutes)
Unobtrusive Javascript
Keep JavaScript out of your HTML content with unobtrusive JavaScript. Here I show how Rails 3 works with this best practice.
(13 minutes)
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)