Node.js & Express

Learn to secure web apps with bcrypt password hashing, role-based access control, OAuth 2.0, and OpenID Connect. Real code, diagrams, and production best…

Deep-dive into Prisma and Drizzle ORM for TypeScript. Learn SQL vs NoSQL, migrations, data modeling, and how to pick the right database tool for your…

Learn how blocking code kills Node.js server performance and how non-blocking async I/O fixes it. Real file and DB examples with benchmarks.

Learn REST API design with Express.js. Build a users API with GET, POST, PUT, DELETE routes, correct status codes, and clean route conventions.

Learn how Node.js event loop and non-blocking I/O enable high concurrency with a single thread. Real code examples included.

Learn what Express middleware is, how next() controls the request pipeline, and see real examples for logging, auth, and validation.

Learn how to handle single and multiple file uploads in Express using Multer. Covers storage config, validation, error handling, and serving files.

Learn what Node.js is, how V8 and libuv power it, and why its event-driven model makes it ideal for I/O-heavy server-side applications.

Learn how JWT works and implement stateless authentication in Node.js with Express — login flow, route protection, and complete working code.

Learn how to create routes and handle GET/POST requests in Express.js. Includes raw Node.js comparison, complete working code, and routing best practices.

Install Node.js, use the REPL, run your first script, and build a working HTTP server from scratch — no frameworks, no dependencies.

Learn how Node.js uses the event loop and libuv to handle thousands of concurrent requests on a single thread — with real code examples.