How is class methods defined in ruby?

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What is the scope of a local variable in ruby?

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What are the operators available in ruby?

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What are the looping structures available in ruby?

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How do the following methods differ: @my_string.strip and @my_string.strip! ?

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What things we can define in the model?

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How is object methods defined in ruby?

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What is the difference between static and dynamic scaffolding?

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

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Difference between render and redirect?

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What is request.xhr?

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How to use sql db or mysql db. Without defining it in the database.yml

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How many types of associations relationships does a model has?

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What's the difference in scope for these two variables: @name and @@name?

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What is the difference between nil and false in ruby?

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