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XSS Protection in Rails 3
It is easy to be vulnerable to cross site scripting attacks in earlier versions of Rails, but Rails 3 solves this by automatically escaping unsafe input.
(8 minutes)
Validations in Rails 3
Rails 3 offers several new additions to validations. Here learn how to make a custom error_messages partial, reflect on validations, and clean up complex validations in a model.
(9 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)
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)
I18n (revised)
Translate a site into other languages through internationalization (I18n). Here I show how to store a locale in the URL and manage translated text through YAML files.
(10 minutes)
Nested Model Form Part 2
Add and remove nested model fields dynamically through JavaScript using either Prototype or jQuery.
(12 minutes)
Template Inheritance
In Rails 3.1 the controller inheritance also applies to the view layer. Here I show how to add an application template which is shared by all views, and a lookup path for overriding templates based on the subdomain.
(8 minutes)
Running JavaScript in Ruby
Sometimes logic needs to be shared between the server-side (Ruby) and the client-side (JavaScript). Here I show how to run JavaScript directly in Ruby through ExecJS and therubyracer.
(14 minutes)
Nested Model Form Part 1
Handling multiple models in a single form is much easier with the accepts_nested_attributes_for method. See how to use this method to handle nested model fields.
(11 minutes)
jQuery
How do you use jQuery with Rails? In this episode I redo episode #43 using jQuery instead of Prototype/RJS.
(9 minutes)