Explain me what is the role of rails controller?
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Explain testing in rails.
Which command is used to create a migration?
What is the function of orm in ruby on rails?
What is the difference between sessions and flash?
Explain rest in rails routes.
How are blocks created?
What are the hashes?
what is Cross-Site Request Forgery (CSRF) and how Rails is protected against it?
What is the difference between render and redirect?
what is session and cookies
How many filters are there in rails.
Explain me what is the naming convention in rails?