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 the operators available in ruby?

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How many iterators are there in ruby?

1

Explain break statement in Ruby?

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How would you create getter and setter methods in ruby?

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Explain about garbage collection feature of ruby?

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How can you removed from array in ruby?

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Explain me what the difference is between false and nil in ruby?

1

Explain the types of variables available in ruby class?

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What are the only two values that are falsy?

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What must you do first before you can invoke an unboundmethod object?

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What are advantages of using ruby?

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what is the difference between String and Symbol?

5

Explain about the command line options?

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Explain Ruby hashes?

3