what is the Notation used for denoting class variables in Ruby?
Explain about the defined operator in ruby?
What is the difference between ruby 1.9 and ruby 2.0?
Tell us what is the difference between dynamic and static scaffolding?
How to use sql db or mysql db. Without defining it in the database.yml
How to read a file in Ruby?
Explain ampersand parameter (&block) in Ruby?
How to create a new time instance in Ruby?
What is the naming conventions for methods that return a boolean result?
How would you implement hash in ruby internally?
difference between activesupport's “hashwithindifferentaccess” and ruby's “hash”?
Please explain what is mvc and why do we use it?
What are the data types in ruby?
Explain ruby class.
Explain ruby data types.