What is the difference between symbol and string?
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What is the current version of ruby on rails?
Explain rvm in rails?
What are rails validation used for?
How is direct different from render?
What is ruby on rails & why it is used for?
What is the difference between concern and application_controller.rb in ruby on rails?
What are float, dig and max?
Explain model in rails?
What is the difference between delete and destroy ?
How is the model view controller framework used in ruby on rails?
what is the difference between the Observers and Callbacks in Ruby on Rails?
Explain the role of sub directory app/controllers and app/helpers.