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What is the difference between save and save?
What is unit testing (in classical terms)? What is the primary technique when writing a test ?
What role do sub-directory app/helpers and app/controllers play?
How many types of variables are available in ruby class?
What is the difference between false and nil in ruby?
Write the command to run the migration.
What is a ruby singleton method ?
How can you protect filter methods in rails?
What is the purpose of require_relative in ruby?
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?
Explain me what is the naming convention in rails?
How is dynamic scaffolding different from static scaffolding?
How are observers and callbacks different from each other?
What is the naming convention for variables?
List out what can Rails Migration do?
