What are the various changes between the rails version 2 and 3?
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Explain me what is the purpose of rjs in rails?
How are observers and callbacks different from each other?
What is rails router?
What is the purpose of load in ruby?
Can you list out what can rails migration do?
Why do we use request.xhr? in rails
what is testing in rails?
How you run your Rails Application without creating database ?
How many types of relationships does a model has?
Which command is used to create a migration?
what is the role of Rails Controller?
Is it possible to build a 50% bespoke e-commerce platform hence having the ability to customize everything down the line? For example would it make sense to start coding an application on the Ruby on Rails framework but where the most complex/time consuming code pieces (e.g. shopping cart, etc) can be initially bolted on (hence diminishing development time and cost) having the ability to change them completely further down the line?
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