By using the addClass() and removeClass() jQuery methods. This can be very handy, while dynamically changing class of elements e.g. marking them inactive or active and using class “.active” etc.
Tell me how Symbol is different from variables?
Explain me what the difference is between false and nil in Ruby?
Tell me what is Ruby on Rails?
Tell me what is the role of sub-directory app/controllers and app/helpers?
Tell me what is the command to create a migration?
Explain how you can run Rails application without creating databases?
Tell me what is the difference between calling super() and super call?
What is the Notation used for denoting class variables in Ruby?
As you know ruby provides four types of variables. List them and provide a brief explanation for each?
Please explain what is MVC and why do we use it?
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