Learn how to model polymorphism in GraphQL with unions and interfaces, when to use each, querying patterns, resolvers, and best practices.
A practical guide to HTTP If-Modified-Since for REST APIs: how it works, 304 responses, server/client examples, pitfalls, and best practices.
A practical, secure guide to setting up a Model Context Protocol (MCP) server in TypeScript and Python, wiring clients, and hardening for production.
Design, implement, and test REST API content negotiation: headers, q-values, media types, versioning, caching, and error handling with practical examples.
A practical, production-grade guide to implementing GraphQL file uploads with Node.js, Apollo, streaming, S3, validation, and security.
A practical guide to soft delete in REST APIs: models, endpoints, filtering, restore, cascades, auditing, and pitfalls—plus SQL and HTTP examples.
