TanStack Query helps beginners manage server state with caching, background refetching, and mutations. In 2026, mastering its core patterns means building faster, more resilient React apps.

Build a secure CRUD REST API with Node.js and PostgreSQL by validating input, using parameterized queries, hashing passwords, enforcing JWT auth, and applying role-based access control.

Integrate LLMs into your web app by defining clear use cases, securing API workflows, managing latency, and monitoring output quality to deliver reliable, scalable user experiences.

Audit legacy styles, map repeated patterns to utility classes, and migrate incrementally. Use design tokens, validate visual parity, and retire brittle selectors to reduce CSS debt and speed up delivery.

Optimize for Google’s Web MCP by tightening semantic HTML, structured data, crawlable APIs, and performance budgets. Prioritize machine-readable context, stable endpoints, and fast server responses.