Answer Posted / jhon

ruby is scripting language

Difference between argument and parameter in ruby on rails ?

782

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How do I find only duplicate entries in a database table?

910

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what is “Yield” in Ruby on Rails?

834

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What are class libraries?

807

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Explain the role of sub directory app/controllers and app/helpers.

809

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Tell me what is the function of garbage collection in ruby on rails?

798

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How many types of associations relationships does a model have?

731

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Explain me what is the function of orm in ruby on rails?

719

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What is the purpose of load, auto_load, and require_relative in ruby ?

756

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What is the directory structure of rails?

828

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What can Rails Migration do?

868

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Explain me what is the naming convention in rails?

744

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what is different between activerecord::relation's count, length and size methods?

845

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what are the differences between rails 2.x and rails 3?

843

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When are self.up and self.down methods used?

900

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