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

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Tell me the role of modules and mixins in ruby?

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Tell me what is the command to create a migration?

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

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Do you know about dig, float and max?

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

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

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Tell me what are blocks and procs?

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Do you know what is the defined operator?

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Tell us the types of variables available in ruby class?

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Explain me what is the difference between symbol and string?

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

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

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

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Tell me how symbol is different from variables?

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