Upgrading from Rails 3.0.0 to Rails 4.0

Long before, I had upgraded my rails project from 2.2.2 to 3.0.0 with the help of a Rails_uprade plugin available on github.Now i would like to upgrade my code to Rails 4 and i am looking for a tutorial to guide me.

Thanks In Advance!

Solution

Here you are:

Rails Guilds - A Guide for Upgrading Ruby on Rails

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