How many types of variables are available in ruby class?
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when self.up and self.down method is used?
How is the model view controller framework used in ruby on rails?
How many types of relationships does a model has?
How to serialize data with yaml?
what is active record?
what are helpers and how to use helpers in ror?
What are the steps involved in writing and setting up an application in ruby on rails?
What is the difference between symbol and string?
Explain the importance of yield statement in rails.
Difference between gem and plugin?
Explain view in rails?
what is the difference between calling super() and super call?