Quiz: How does HTTP 304 Not Modified optimize client web traffic?
Using validation headers like ETag or If-Modified-Since , a 304 Not Modified response saves network bandwidth.
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Using validation headers like ETag or If-Modified-Since , a 304 Not Modified response saves network bandwidth.
FastAPI achieves high performance by leveraging ASGI (Starlette) and native async execution for non-blocking I/O.
FastAPI utilizes Pydantic models to enforce request data schema validation and automatically serialize response data.
As an ASGI framework, FastAPI requires an ASGI server like Uvicorn or Hypercorn to process asynchronous request loops.
FastAPI intelligently infers parameter origins: path variables map to Path , Pydantic models map to Body , and scalar parameters map to Query …
APIRouter works similarly to Flask Blueprints, allowing modular organization of endpoint groups with shared prefixes and tags.
FastAPI's Query() function allows defining validation metadata, regex patterns, and documentation descriptions for query parameters.
FastAPI includes Starlette's CORSMiddleware to manage cross-origin headers and preflight handling.