Quiz: What does idempotency mean in the context of RESTful HTTP methods?
Idempotency means making multiple identical requests has the same side-effect on the server as making a single request (e.g. GET, PUT, DELETE).
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Idempotency means making multiple identical requests has the same side-effect on the server as making a single request (e.g. GET, PUT, DELETE).
Browsers send an OPTIONS request during CORS preflight checks to ascertain supported HTTP methods and headers before making cross-origin requests.
429 Too Many Requests is standard for rate limiting, often accompanied by a Retry-After header.
Depends() allows declaring modular, reusable dependencies (e.g., authentication, DB sessions) injected seamlessly into routes.
Raising HTTPException allows returning structured JSON error payloads with custom HTTP status codes.
BackgroundTasks queues operations executed asynchronously after sending response payloads, preventing request timeouts.
UploadFile uses a spooled temporary file structure, streaming large uploads efficiently without overwhelming RAM.
@field_validator allows defining custom Python validation methods executed when instantiating Pydantic model attributes.