Tell me what is the difference between the observers and callbacks in ruby on rails?
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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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Am Fresher ..,i dont know seven controller methods.am searching in google .but am not getting .help me