Programming

API design guide covering REST, GraphQL, tRPC, authentication, rate limiting, error handling, and testing with Node.js examples.

Practical DSA roadmap for campus placements in India: topic priorities, platform choices, company patterns, and time management.

Redis caching strategies, data structures, and cache invalidation with Node.js, Next.js, and Upstash integration guide.

Advanced TypeScript: discriminated unions, template literals, branded types, builder pattern, and Zod validation with examples.

Practical web accessibility guide: semantic HTML, ARIA, keyboard nav, screen readers, and React/Next.js tips.

Build a Chrome extension from scratch with Manifest V3. Covers popup UI, content scripts, service workers, and publishing.

PostgreSQL vs MySQL: JSONB, full-text search, replication, cloud options, and benchmarks to help you choose in 2026.

Advanced Tailwind CSS techniques including custom design systems, responsive patterns, dark mode, animations, and performance optimization.

A hands-on guide to cracking system design interviews at FAANG and top Indian companies, with step-by-step design walkthroughs and key concepts explained.