Explain about environment variables present in ruby?

5

Explain ruby ranges. What are the ways to define ranges?

1

Explain ruby class.

1

Explain until loop in ruby.

1

Explain raise statement in Ruby?

5

What are the different uses of ruby modules?

5

In how many ways a block is written in Ruby?

3

Tell me how you can create a controller for subject?

1

What are advantages of using ruby?

5

How is object methods defined in ruby?

5

Explain about interpolation?

5

Explain class libraries in ruby.

1

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?

5

What are blocks and procs?

1

What is the difference between a class and a module?

5