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.

N+1 Queries

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.

Master ActiveRecord

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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