what is the difference between destroy and delete?
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Do you know what is cross-site request forgery (csrf) and how rails is protected against it?
What are the various changes between the rails version 2 and 3?
what is session and cookies
Explain me what is the difference between concern and application_controller.rb in ruby on rails?
what is different between activerecord::relation's count, length and size methods?
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What is the flash?
If you want to set up a one-to-one relationship between two models, you'll need to add belongs_to to one, and has_one to the other. How do you know which is which?
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Tell me what is ruby on rails?
what is a rails migration? Write up a short example of a simple rails migration with a table called customers, a string column called name, and a text column called description?