Azure Functions offer a flexible, cost-effective and scalable way to build modern applications. It's great for event-driven workloads, fast development with minimal infrastructure overhead.

Hybrid search in EF Core 10 with Cosmos DB combines keyword precision and vector understanding, allowing you to perform both full-text and vector searches with ranked results.

Guard clauses are simple checks placed at the start of a method to validate inputs and prevent invalid states early. They help code fail fast, stay clean, and avoid deep nesting or repetitive validation logic.