What are float, dig and max?
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who developed rails?
What role do sub-directory app/helpers and app/controllers play?
How many types of variables are available in ruby class?
Explain about restful architecture?
What is the architecture of Model views and controllers
What is the purpose of load, auto_load, and require_relative in ruby ?
What is ruby on rails & why it is used for?
How you run your rails application without creating databases?
What is the difference between concern and application_controller.rb in ruby on rails?
Tell me what is the difference between the observers and callbacks in ruby on rails?
What do you understand by rails?
What is the difference between sessions and flash?