A Rails application serves as a supercharged engine. In Rails, the engines work as miniature applications providing functionality to their host applications. Rails engine is one of the vital topics for Ruby on Rails interview questions. The controller in Rails regulates helper modules and sessions. It routes external requests to internal actions and handles URLs. It enables interaction between the views, users, and the model. The controller is the logical center of the application in Rails. What Is the Function of the Rails Controller? The following command allows you to create a controller for the subject.Ĭ:\ruby\library> ruby script/generate controller subject. What Command Creates a Controller for the Subject? This is one of the most common Ruby on Rails interview questions to gauge your understanding of the features of Ruby on Rails. What Are the Types of Variables Available in Ruby Class? While both modules and classes use MixedCase and do not have an underscore, the key differences between the two are:Ĥ. It indicates that classes are mapped to the table in the database, while objects are directly mapped to the rows in the table. ORM stands for Object Relationship Model (ORM) in Rails.
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