Step up your Ruby on Rails game. After you learn core concepts of Rails like MVC, most developers are left asking, now what?
This course is designed to give intermediate Rails developers an top-down peek at all of the improtant parts of Rails: the stuff you've wondered about, the stuff you've heard about, the stuff you know is important but don't quite konw why.
Rails is Hard
But it doesn't have to be confusing. By breaking down each of the advanced concepts, Jason will introduce you to the Rails "gotchas" that every developer needs to know to become effecient and performant.
Don't underestiamte the importance of performance.
By default Rails object associations will create N+1 queries in your app. Understand where your N+1 queries are coming from and how to solve them.
ActiveRecord is the marriage between your Ruby objects and their database counterparts, mapping objects to relations. That's why it's call "object relational mapping" or ORM.
Get a deep understanding of what you're doing with ActiveRecord.
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