REST has become the standard for building web services due to its simplicity and ease of consumption. REST services provide features like caching, redirection, and security through HTTP. REST is not a standard but an architectural approach that enables scalable and evolvable services
@JsonAnyGetter enables using Map fields as standard properties. @JsonGetter marks methods as getter methods. @JsonPropertyOrder controls property serialization order. @JsonRawValue allows embedding custom JSON as property values. @JsonValue indicates single method for entire instance serialization
422 indicates server understands content type but can't process request semantics. Common in WebDAV and API development contexts. Not commonly used in typical web browsing or SEO
Default REST views return entire queryset by default. Queryset filtering can be done through .get_queryset() override. Filtering can be based on current user, URL, or query parameters
FastAPI is a modern Python web framework for building APIs. Tutorial demonstrates grocery list app development using FastAPI. Project can be set up in GitHub Codespaces or local VS Code. Python 3 and VS Code extension required for development
Controllers handle HTTP requests and generate responses in JSON or XML format. Controllers must have "Controller" suffix and inherit from ControllerBase. Controllers are created in Controllers folder of project root