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Ruby Interview Questions
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How ruby looks up a method to invoke?

 1

What is mvc and why do we use it?

 1

Explain the difference in scope for these two variables: @@name and @name?

 1

How do you remove nil values in array using ruby?

 1

Explain each of the following operators and how and when they should be used: ==, ===, eql?, Equal?

 1

What are blocks and procs?

 1

What is the difference between ruby 1.9 and ruby 2.0?

 1

Explain the types of variables available in ruby class?

 1

Explain the difference between a single quote and double quote?

 1

Can you call a private method outside a ruby class using its object?

 1

Explain the role of thread pooling in relation to the thread lifecycle in ruby?

 1

How symbol is different from variables?

 1

What is the difference between extend and include?

 1

Explain about the defined operator in ruby?

 1

How would you freeze an object in ruby? Can you provide a simple example?

 1

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Un-Answered Questions { Ruby }

What is the use of global variable $ in Ruby?

3

What is sysread method in Ruby?

5

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

5

Explain the three levels of access control for ruby methods?

1

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

5




What are ruby blocks.

1

What are the object-oriented programming features supported by ruby?

5

Explain class libraries in ruby.

1

In how many ways items can be removed from array in Ruby?

3

Does hash use “ #==” or “#eql?” To compare hash keys?

5

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

1

Explain about operators in Ruby?

5

Explain about variables?

5

What is the use of interpolation in ruby?

5

what is the difference between String and Symbol?

5

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