What are the functions performed by rails migration?
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what is Polymorphic Association in Ruby on Rails?
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
What are the differences betweeen Rails 2.x and Rails 3
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how you define Instance Variable, Global Variable and Class Variable in Ruby?
What is the Install rail package?
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What are the servers supported by ruby on rails?
Explain me what is the naming convention in rails?
Explain how does rails implement ajax?
difference between form_for and form_tag
who developed rails?
What are the various changes between the rails version 2 and 3?