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How do the following methods differ: @my_string.strip and @my_string.strip! ?
What things we can define in the model?
How is object methods defined in ruby?
What is the difference between static and dynamic scaffolding?
What are the object-oriented programming features supported by ruby?
Difference between render and redirect?
What is request.xhr?
How to use sql db or mysql db. Without defining it in the database.yml
How many types of associations relationships does a model has?
What's the difference in scope for these two variables: @name and @@name?
What is the difference between nil and false in ruby?
How is visibility of methods changed in ruby?
What is mvc? And how it works?
What is the naming conventions for methods that return a boolean result?
Overview of ruby programming language?
