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Console Tricks (revised)
Episode #48Jun 09, 201271 comments

Console Tricks (revised)

Here you will learn how to get the most out of the Rails console. I will also demonstrate several utility gems and how to use them without adding them to the Gemfile. (9 minutes)
Adding an Environment (revised)
Episode #72Jan 19, 201245 comments

Adding an Environment (revised)

Rails comes with three environments: development, test, and production, but it is easy to add your own. Here I show how to add a separate staging environment and how to start up Rails under this. (4 minutes)
Sending Email (revised)
Episode #61Apr 28, 201271 comments

Sending Email (revised)

Thanks to Action Mailer, sending email in Rails is easy but there are several gotchas to be aware of. Here I show how to send an email upon submitting a form and the configuration options necessary. (8 minutes)
Bundler (revised)
Episode #201Mar 16, 201258 comments

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)
Debugging Ruby (revised)
Episode #54Apr 07, 201257 comments

Debugging Ruby (revised)

This episode will show you how to debug a rails app using the "debugger" gem: set a breakpoint, inspect variables and change the executed code at runtime. (7 minutes)
Hackers Love Mass Assignment (revised)
Episode #26Mar 08, 201266 comments

Hackers Love Mass Assignment (revised)

One of the most common security issues in a Rails application is the mass-assignment vulnerability which allows a user to set any attribute on the model. Learn how to prevent it in this episode. (6 minutes)
Subdomains (revised)
Episode #123Jan 13, 201266 comments

Subdomains (revised)

In Rails 3.1 subdomains are easier than ever to use. Here I show how to route a subdomain to a specific controller action, generate links, nest resources, and more. (7 minutes)
Testing JavaScript with Jasmine (revised)
Episode #261Jun 28, 201266 comments

Testing JavaScript with Jasmine (revised)

The jasminerice gem makes it easy to test your JavaScript with Jasmine in a Rails application. Here I also cover jasmine-jquery and guard-jasmine. (11 minutes)
Destroy without JavaScript (revised)
Episode #77Jun 16, 201248 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)
Syntax Highlighting (revised)
Episode #207May 11, 201258 comments

Syntax Highlighting (revised)

Here I compare several syntax highlighting solutions and show how to use Pygments in a Rails app. I also show how to integrate it with Markdown and add caching. (8 minutes)