Free structured engineering handbooks, revision notes, and syntax cheatsheets crafted to help you code faster, ace interviews, and build reliable software.
Complete architectural handbook for Server Components, Server Actions, route handlers, dynamic caching, and streaming UI.
Comprehensive guide to MySQL, PostgreSQL, relational schema design, indexes, and Prisma ORM migrations.
Engineering notes on building, debugging, packaging, and publishing extensions on the Visual Studio Code Marketplace.
Practical guide to vector embeddings, contextual retrieval, cosine distance, chunking strategies, and token cost reduction.
Fast syntax summaries and practical cheat sheets for everyday development.
Quick-reference syntax for generics, union types, array manipulation, async/await, closures, and promises.
Essential terminal commands for daily engineering: git rebase, cherry-pick, SSH keys, file permissions, and process management.
Modern CSS variables, flexbox, CSS grid, container queries, and canonical utility class syntax.
Standard HTTP status codes, idempotent methods, JWT token validation, CORS configuration, and rate limiting headers.