What is ruby on rails & why it is used for?
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when self.up and self.down method is used?
Write the command to update rvm in rails.
Explain how does rails implement ajax?
What are models in rails?
What is the role of mvc architecture in ruby on rails?
what is the difference between the Observers and Callbacks in Ruby on Rails?
What is the function of orm in ruby on rails?
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?
write a program to show the usage of sql in the database file?
difference between form_for and form_tag
how you define Instance Variable, Global Variable and Class Variable in Ruby?
How to serialize data with yaml?