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Ruby software engineer Interview Questions


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Suppose that the 'select' method of the Array does not exist. Implement it using the 'each' method. Pack it as a Module, ready to be mixed in.

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You should build the return value in the each loop, filtering the results with the block parameter passed to the method.

Write a program that prints a multiplication matrix/table of the first N prime numbers. Generate the primes yourself, think about complexity and how the code scales.

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Use the File API with ruby

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Have you had any experience being a landlord?

Big O notation (scalability) and some general queries MVC related, it wasn't too difficult

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