Want more GoRails?
GoRails is packed full with 653 lessons just like this one.
Sign up to get full access or log in to your account and sit back.
Your Teacher
Chris Oliver
Hi, I'm Chris. I'm the creator of GoRails, Hatchbox.io and Jumpstart. I spend my time creating tutorials and tools to help Ruby on Rails developers build apps better and faster.
About This Episode
The Interface Segregation Principle states that no client should be forced to depend on methods it does not use
