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Async
⚡ Async/Await — Don't Block Your Threads
A waiter who hands the ticket to the kitchen and works the floor can serve a full dining room. A waiter who stands at the kitchen window waiting for one dish starves everyone else. Your API makes the same choice every time you turn async code back into blocking code.
Dependency Injection, Best Practices">
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Dependency Injection
🚀 Dependency Injection in ASP.NET Core - Stop Using 'new'
`new OrderService()` looks innocent. But now every test needs a real OrderService, a real database, and a real connection string. A test that should take 50ms takes 2 seconds and breaks when the DB blinks. Dependency injection isn't framework magic — it's a habit.