Tell us what is the difference between redirect and render in ruby on rails?
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Explain valid and invalid in rails?
What is object-relationship-model (orm)?
Explain me what is the function of orm in ruby on rails?
what is the difference between new, save and create?
who developed rails?
what is the difference between the Observers and Callbacks in Ruby on Rails?
What are rails validation used for?
what is ORM (Object-Relationship-Model) in Rails?
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?
How do I find only duplicate entries in a database table?
What is the importance of rjs?
What is the naming convention for variables?