How to use two databases into a single application?
what is Polymorphic Association in Ruby on Rails?
what is the difference between Dynamic and Static Scaffolding?
Do you know what are the types of caching used in rails, what are they?
what is the difference between the Observers and Callbacks in Ruby on Rails?
Write a program to generate and run the application without the use of database
What are the servers supported by ruby on rails?
What is the difference between delete and destroy ?
What is the difference between concern and application_controller.rb in ruby on rails?
How does router work in rails?
What are the differences betweeen Rails 2.x and Rails 3
4 Answers Al Larin, Baidu, CTS,
how does ruby on rails use the model view controller (mvc) framework?
If you want to set up a one-to-one relationship between two models, you'll need to add belongs_to to one, and has_one to the other. How do you know which is which?