Developer Guides & Tutorials
Practical articles on data formats, security, and developer tools. Written for developers, by developers.
What is JSON? A Complete Guide for Developers
Learn what JSON is, how it works, its syntax rules, and why it became the universal data exchange format. With examples and common mistakes.
Read article →JSON vs XML: Which Should You Use in 2024?
A detailed comparison of JSON and XML — syntax, performance, use cases, and when to choose each format. With real-world examples.
Base64 Encoding Explained — What It Is and How It Works
Understand Base64 encoding from scratch — why it exists, how the algorithm works, and where it is used in the real world. With examples in JavaScript and Python.
JWT Authentication: The Complete Developer Guide
Everything about JSON Web Tokens — structure, how authentication works, signing algorithms, common vulnerabilities, and best practices. With code examples.
SQL Formatting Best Practices — Why and How to Format Your Queries
Learn SQL formatting conventions, why readable SQL matters, and how to format complex queries for readability and maintainability. Examples in MySQL, PostgreSQL, and SQLite.
Regular Expressions (Regex) Tutorial — From Beginner to Intermediate
Learn regular expressions from scratch — syntax, character classes, quantifiers, groups, lookaheads, and real-world examples. Works in JavaScript, Python, and most languages.