How would you create a controller for the subject?

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Explain testing in rails.

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Is ruby on rails popular?

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ruby on rails and java ,which of one of the best in future &present?

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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?

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Write the command to update rvm in rails.

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How you run your Rails Application without creating database ?

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Explain coc in rails?

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difference between form_for and form_tag

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what is session and cookies

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what is “Yield” in Ruby on Rails?

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let me know what is ruby software and where and when it is usefull. Is it usefull to data base developer, if yes...where? thank you

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