How would you freeze an object in ruby?
Tell me what is the difference between ruby 1.9 and ruby 2.0?
what is a class library in Ruby?
How is class methods defined in ruby?
Do you know about dig, float and max?
What are ruby variables.
Where does a scope change in a ruby program?
What are the data types in ruby?
How to access Ruby array elements? How many methods are used to access Ruby elements?
Tell me what is the difference between active support's “hashwithindifferent” and ruby's “hash” ?
What are the key features of ruby?
What is the difference between “#==” and “#equal?”
Tell me what is the difference between calling super() and super call?
what is the difference between Procs and Blocks?
what is the difference between put and putc statement?