Developer Blog
Guides, tutorials and best practices for developers.
What is Hashing? MD5 vs SHA-256 Explained for Developers
Learn what hashing is, how hash functions work, the differences between MD5, SHA-1, SHA-256 and SHA-512, and when to use each algorithm.
Cron Expressions Explained: A Beginner's Guide to Cron Jobs
Learn how cron expressions work, understand the five-field syntax, see common cron schedule examples and avoid the most frequent cron mistakes.
How to Create QR Codes: A Complete Developer Guide
Learn how QR codes work, what data they can store, how to generate them programmatically and best practices for size, error correction and design.
Markdown Syntax Guide: From Basics to Advanced
A complete Markdown syntax reference with examples. Learn headings, lists, links, images, code blocks, tables and advanced formatting techniques.
SQL Formatting Best Practices for Readable Queries
Learn how to format SQL queries for better readability. Covers indentation rules, naming conventions, JOIN formatting, subquery style and common mistakes.
CSS Gradients: A Complete Guide to Linear, Radial and Conic
Learn how to create CSS gradients from scratch. Covers linear-gradient, radial-gradient, conic-gradient syntax, color stops, angles and real-world examples.
Understanding Chmod and Unix File Permissions
Learn how Unix file permissions work, what chmod does, how to read symbolic and octal notation, and common permission values like 755 and 644.
What is a URL Slug? SEO Best Practices for URL Structure
Learn what URL slugs are, why they matter for SEO and how to create clean, descriptive URLs that rank better in search engines.
PX vs REM vs EM: Which CSS Unit Should You Use?
A practical comparison of CSS units: px, rem and em. Learn the differences, when to use each one and why REM is the best choice for responsive design.
CSS Minification: How to Reduce CSS File Size for Faster Websites
Learn how CSS minification works, why it matters for web performance and how to minify CSS files. Covers techniques, tools and best practices.
JSON to TypeScript: How to Generate Types from API Responses
Learn how to convert JSON data to TypeScript interfaces and types. Covers manual typing, automated generation and best practices for type safety.
YAML vs JSON: Key Differences and When to Use Each
A practical comparison of YAML and JSON. Learn the syntax differences, pros and cons, and when to choose one format over the other.
Unix Timestamps Explained: A Developer's Guide
Learn what Unix timestamps are, how epoch time works, how to convert timestamps in different languages and common pitfalls to avoid.
What is a UUID and When Should You Use One?
Learn what UUIDs are, how they work, the differences between UUID versions and when to use them in your applications.
How to Generate Strong Passwords: Best Practices in 2026
Learn what makes a password strong, how password generators work and best practices for creating and managing secure passwords.
What is URL Encoding and Why Does It Matter?
Learn what URL encoding (percent encoding) is, why it exists, which characters need encoding and how to use it in your web applications.
Regular Expressions Cheat Sheet for Developers
A practical regex cheat sheet with common patterns, syntax reference and real-world examples. Covers matching, groups, lookaheads and more.
Understanding JWT Tokens: Structure, Usage and Security
A developer guide to JSON Web Tokens (JWT). Learn about JWT structure (header, payload, signature), common use cases and security best practices.
How to Format JSON: A Complete Guide for Developers
Learn how to format, beautify and validate JSON data. Covers JSON syntax rules, common errors and best practices for working with JSON.
What is Base64 Encoding and How Does It Work?
Learn what Base64 encoding is, how it works, when to use it and common use cases for developers. A complete beginner-friendly guide.