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More on Virtual Attributes
Episode #167Jun 22, 200942 comments

More on Virtual Attributes

Use a virtual attribute to implement a simple tagging feature. In this episode I show you how to assign virtual attributes through a callback instead of a setter method. (7 minutes)
Virtual Attributes (revised)
Episode #16Jul 20, 201267 comments

Virtual Attributes (revised)

Virtual attributes are a clean way to add form fields that do not map directly to the database. Here I show how to handle validations, associations, and more. (11 minutes)
Edit Multiple (revised)
Episode #165Feb 25, 201392 comments

Edit Multiple (revised)

Editing one record at a time can be tedious work. Here you will learn three different ways to edit multiple records at once using checkboxes. (15 minutes)
Virtual Attributes
Episode #16Apr 09, 200758 comments

Virtual Attributes

Keep your controllers clean and forms flexible by adding virtual attributes to your model. This very powerful technique allows you to create form fields which may not directly relate to the database. (3 minutes)
Edit Multiple
Episode #165Jun 08, 200944 comments

Edit Multiple

Use checkboxes to select multiple records and edit them all in one form as shown in this episode. With virtual attributes you can even edit values relatively! (14 minutes)
Time in Text Field
Episode #32May 16, 200743 comments

Time in Text Field

Although Rails does allow you to edit time attributes with text fields, it's not very flexible. In this episode you will learn how to use a virtual attribute to format the time to your liking. (5 minutes)
Beta Invitations
Episode #124Aug 25, 200877 comments

Beta Invitations

You know those invitation systems where a given user can invite a number of other people to join? That's what I show you how to make in this episode. (22 minutes)
Complex Forms Part 1
Episode #73Oct 01, 2007169 comments

Complex Forms Part 1

Complex forms often lead to complex controllers, but that doesn't have to be the case. In this episode see how you can create multiple models through a single form while keeping the controller clean. (8 minutes)