Ruby Interview Questions
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Can you please explain what is the difference between string and symbol?

1

Tell me the role of modules and mixins in ruby?

1

Tell me what is the command to create a migration?

1

Tell me what is the difference between active support's “hashwithindifferent” and ruby's “hash” ?

1

Do you know about dig, float and max?

1

Do you know how ruby looks up a method to invoke?

1

As you know ruby provides four types of variables. List them and provide a brief explanation for each?

1

Tell me what are blocks and procs?

1

Do you know what is the defined operator?

1

Tell us the types of variables available in ruby class?

1

Explain me what is the difference between symbol and string?

1

Tell me what is the role of sub-directory app/controllers and app/helpers?

1

Please explain what is mvc and why do we use it?

1

Tell me what is the difference between calling super() and super call?

1

Tell me how symbol is different from variables?

1


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Un-Answered Questions { Ruby }

what is a class library in Ruby?

5


what is the syntax for Ruby collect Iterator?

5


What is mvc and why do we use it?

1


Which ruby interpreter option enables debugging?

5


What is the naming conventions for methods that return a boolean result?

5






Explain redo statement in Ruby?

5


What are the key features of ruby?

5


Tell me how would you freeze an object in ruby? Can you provide a simple example?

1


How to use ruby methods.

1


How does a symbol differ from a string?

5


Explain me what is the difference between symbol and string?

1


Can method names be capitalized?

5


What is the difference between #== and #eql??

5


Explain until loop in ruby.

1


What things we can define in the model?

5