What are paid results?
Explain what are backlinks?
How do you separate words in url?
What is rss feed?
What is the difference between concern and application_controller.rb in ruby on rails?
What are the types of caching used in rails, what are they?
How would you freeze an object in ruby?
How would you implement hash in ruby internally?
What are some advantages of using ruby?
What is the difference between calling super and calling super()?
How ruby looks up a method to invoke?
What is mvc and why do we use it?
Explain the difference in scope for these two variables: @@name and @name?
How do you remove nil values in array using ruby?
Explain each of the following operators and how and when they should be used: ==, ===, eql?, Equal?