Mention the types of variables available in Ruby Class?
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Difference between gem and plugin?
Explain testing in rails.
What I have to do to view my project always on browser?
How is direct different from render?
What is the purpose of load in ruby?
what is the difference between calling super() and super call?
List out what can Rails Migration do?
What is the difference between save and save?
what are benefits of using active record as opposed to raw sql queries?
Mention the differences between the observers and callbacks in ruby on rails.
What are the differences betweeen Rails 2.x and Rails 3
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Where does the start_tabnav gets informations for tabs rendering in ruby rail?