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What is ruby object?
What does irb stand for?
Explain me what is the difference between symbol and string?
What is the difference between ruby 1.9 and ruby 2.0?
How would you create getter and setter methods in ruby?
In Ruby code, often it is observed that coder uses a short hand form of using an expression like array.map(&:method_name) instead of array.map { |element| element.method_name }. How this trick actually works?
Explain the role of thread pooling in relation to the thread lifecycle in ruby?
How to check whether a directory exist or not in Ruby?
How to open a file in Ruby?
Explain Ruby exceptions?
Explain some of the looping structures available in ruby?
How do the following methods differ: @my_string.strip and @my_string.strip! ?
What is the naming conventions for methods that return a boolean result?
Explain ruby ranges. What are the ways to define ranges?
what is the role of sub-directory app/controllers and app/helpers?
