What is the naming convention for variables?
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When are self.up and self.down methods used?
How many types of variables are available in ruby class?
Please explain what are the positive aspects of rails?
What is the use of super in Ruby Rails?
what is the difference between the Observers and Callbacks in Ruby on Rails?
what is testing in rails?
what the difference between static scaffolding and Dynamic scaffolding?
What are gemsets in rails?
The string can be represented in single as well as double quotes. What is the difference between the two?
Tell me what is the difference between the observers and callbacks in ruby on rails?
How do I find only duplicate entries in a database table?
what is different between activerecord::relation's count, length and size methods?