Programming

Master TypeScript generics — from simple type parameters to conditional types, mapped types, and real-world utility patterns.

A practical introduction to Large Language Models — how they work, how to prompt them effectively, and how to build with them.

Principles and patterns for writing code that your future self (and your teammates) will actually enjoy reading.

A practical guide to adding AI features to your web application — from API integration to streaming, structured output, and cost control.

The security fundamentals every web developer needs to know — SQL injection, XSS, authentication, security headers, and secrets management.