Ruby on Rails Screencasts

Episode #348 – May 09, 2012 – 74 comments

The Rails API Gem

It is often asked: Is Rails a good fit if I only need to serve an API? In this episode I show how to use the Rails API gem to create a slimmer Rails application designed to respond with JSON. (9 minutes)

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Episode #53 – Apr 20, 2013 – 209 comments

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)

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Episode #395 – Dec 02, 2012 – 77 comments

Action Controller Walkthrough

Do you ever wonder what goes on behind the scenes when a Rails controller handles a request? What do the "render" and "redirect_to" methods do exactly? This and more covered as we walk through the code of ActionController::Base. (11 minutes)

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Episode #77 – Jun 16, 2012 – 48 comments

Destroy without JavaScript (revised)

A destroy link in Rails does not work without JavaScript. In this episode I show two techniques for gracefully degrading destroy links: button_to and a delete action. (8 minutes)

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Episode #398 – Dec 18, 2012 – 114 comments

Service Objects

Models can quickly become a grab-bag of unrelated methods if behavior is constantly being pushed from the controller. Here I show how to refactor this using Concerns and Service Objects. (12 minutes)

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