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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)
Globalize3
Episode #338Apr 04, 201267 comments

Globalize3

Rails has great internationalization (I18n) support making it easy to translate static text into other languages, but how do we translate database content? Learn how using Globalize 3 in this episode. (5 minutes)
Thinking Sphinx (revised)
Episode #120Dec 09, 201144 comments

Thinking Sphinx (revised)

Sphinx is a full-text search engine for use with MySQL or PostgreSQL. Learn how to add Thinking Sphinx by defining an index on your model and searching with various options. (10 minutes)
Nested Model Form Part 1
Episode #196Jan 11, 2010184 comments

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)
MetaWhere & MetaSearch
Episode #251Jan 31, 201165 comments

MetaWhere & MetaSearch

MetaWhere provides a way to do complex find conditions without SQL in Active Record. MetaSearch makes it easy to create search forms with many find options. (8 minutes)
Multistep Forms
Episode #217Jun 07, 201092 comments

Multistep Forms

See how to create a multi-step (wizard) form from scratch in this episode. (15 minutes)
ActiveRecord::Relation Walkthrough
Episode #239Nov 07, 201042 comments

ActiveRecord::Relation Walkthrough

The new Active Record query methods in Rails 3 might seem like magic at first. But in this episode I unravel how it works by browsing the Rails 3 source code. (11 minutes)
Advanced Search Form
Episode #111May 26, 2008105 comments

Advanced Search Form

If you need to create an advanced search with a lot of fields, it may not be ideal to use a GET request as I showed in episode 37. In this episode I will show you how to handle this by creating a Search resource. (7 minutes)
Advanced Queries in Rails 3
Episode #215May 24, 201053 comments

Advanced Queries in Rails 3

Learn some advanced techniques regarding named scopes and get an introduction to Arel in this episode. (9 minutes)
Validations in Rails 3
Episode #211Apr 26, 201059 comments

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)