what is the difference between a single quote and double quote?
In how many ways items can be removed from array in Ruby?
How many types of associations relationships does a model has?
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?
What are the different environment variables present in the ruby?
Tell me how do you remove nil values in array using ruby?
How will you comment in ruby.
what is the role of sub-directory app/controllers and app/helpers?
What are class libraries in Ruby?
Explain about environment variables present in ruby?
Explain ampersand parameter (&block) in Ruby?
Name some operators used in ruby.
Explain about variables?
What method might you use to remove duplicate values from an array?
Explain the use of retry statement in ruby?
