Boost GraphQL performance with persisted queries: smaller payloads, CDN caching, observability, and security—with rollout tips and pitfalls.
A practical Flutter offline‑first guide: architecture, caching, sync, conflict resolution, background tasks, security, and production tips with code.
GraphQL live queries vs subscriptions: semantics, transports, scaling, caching, and DX compared—learn when to use each and how to combine them.
A practical guide to HTTP If-Modified-Since for REST APIs: how it works, 304 responses, server/client examples, pitfalls, and best practices.
Design and implement REST API partial responses for speed and safety—syntax options, caching, security, and implementation patterns with examples.
Design, implement, and test REST API content negotiation: headers, q-values, media types, versioning, caching, and error handling with practical examples.
