More in Python & FastAPI — page 13
Python Data Classes: Write Less Boilerplate
Python's @dataclass decorator writes boilerplate code like `__init__` and `__repr__` for you, turning a class with type hints into a data container. Use it for API payloads or simple records.
Python Type Hints: Documentation Your Linter Can Read
Type hints are labels for variables and function returns (`name: str`) that Python ignores at runtime. They enable static analysis tools and IDEs to catch errors before you run code.
Top 10 FastAPI interview questions for senior roles
From dependency injection internals to how Pydantic v2 validation differs from v1 — these are the interview questions that separate juniors from staff.
Async SQLAlchemy 2.0: the mental model that clicks
Sessions are not connections. Connections are not transactions. Once you internalise the three-layer model, async SQLAlchemy stops feeling magical.
FastAPI 0.118 ships first-class WebSocket auth
The new release adds dependency injection for WebSocket connections, so you can finally reuse your JWT auth dependencies on /ws routes without manual header parsing.