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Common Addresses Using Polymorphism and Nested Attributes in Rails

Have you ever wanted to take an object that is common to a lot of models – like addresses – and DRY up your code? If you’re really concerned about design, or if the object itself is complex, you...

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Nested Comments in Ruby on Rails, Part 1: Models

The Model Layer Controllers and Views   YouTube has a pretty cool comment system. You can comment on videos, but you can also reply to comments other people have posted. In essence, you commenting on...

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Nested Comments in Ruby on Rails, part 2: Controllers and Views

The Model Layer Controllers and Views   Part 1 of this series came out exactly 3 months and 3 days ago. Special thanks to a reader named Edward who prodded me to finally add the controllers and views...

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