190404

Question

• In the UsersRepository interface, just declaring Users findByEmail(String email); seems to work by itself — how does that actually work under the hood? (It feels like it works by convention, but I want to dig into how it''s actually implemented.)
• What exactly does the @RequestBody annotation do?

Today''s Learnings

• Having used Rails for a long time, the "conventions" I got used to can become a liability in job interviews. Because you end up using things without truly understanding the underlying mechanics, the specific methods available, or what you need to do to improve performance.

Answer