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Free Episodes x
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)
My Favorite Web Apps in 2009
Here I show several of my favorite web applications which I found most helpful as a Ruby developer over the past year.
(6 minutes)
MongoDB and MongoMapper
MongoDB is a document based database engine. Learn how to access it through MongoMapper in this episode.
(13 minutes)
Tableless Model
If you want to create a model without a database backend, you simply need to define a couple methods in the model like I show in this episode.
(8 minutes)
Authorization with CanCan
CanCan is a simple authorization plugin that offers a lot of flexibility. See how to use it in this episode.
(15 minutes)
Mechanize
Mechanize extends the power of Nokogiri allowing you to interact with multiple pages on the site: click links, submit forms, etc.
(10 minutes)
Screen Scraping with Nokogiri
Screen scraping is easy with Nokogiri and SelectorGadget.
(13 minutes)
Embedded Association
Learn how to set up a one-to-many or many-to-many association which is entirely embedded into a single column through a string or bitmask.
(14 minutes)
Declarative Authorization
Declarative authorization provides an advanced and powerful solution for role based authorization.
(15 minutes)
Testing Exceptions
Sometimes bad code slips into production and triggers a 500 error. Learn how to be notified of this and resolve it through integration tests.
(10 minutes)