Developer Blog

Comparing HTML: The Right Way (and Why Text Diffs Lie) — A senior developer's guide to HTML comparison. Learn why text diffs fail and how to use DOM-aware tools to find meaningful differences in your code.
A Developer's Guide to Lorem Ipsum: More Than Just Filler Text — A deep dive into generating Lorem Ipsum for mockups, database seeding, and UI testing. Includes practical code examples in JS, Python, SQL, and more.
A Developer's Guide to Unit Conversion: Don't Let 'lbs' Crash Your App — A senior developer's practical guide to handling unit conversions in code. Avoid common bugs with real-world examples in JS, Python, and API design.
JSON Inside JSON: The Developer's Guide to Escaping and Unescaping — A practical guide to JSON escaping and unescaping. Learn why your nested JSON breaks, see real-world code examples, and avoid common pitfalls.
Your JWT is Invalid, But Why? A Practical Guide to Validation — A senior developer's guide to JWT validation. Learn to debug 401 errors, understand signature vs. claim validation, and avoid common pitfalls like alg:none.
Web Performance Optimization: A Practical Guide for Developers — Learn proven techniques to improve Core Web Vitals, reduce bundle size, optimise images and fonts, and deliver fast experiences for all users.
CSV Format: A Complete Guide for Developers — Master the CSV format — RFC 4180 rules, common gotchas with delimiters and encoding, conversion to JSON, and best practices for data pipelines.
XML: A Complete Developer Guide to Structure, XPath, and Validation — Master XML syntax, namespaces, DTD and XSD validation, XPath queries, and understand when to use XML vs JSON in your projects.
API Authentication Methods: API Keys, JWT, OAuth 2.0 Explained — Compare the main API authentication methods — API keys, JWT, OAuth 2.0, and session cookies — and learn when to use each one in your applications.
Binary, Octal, Hexadecimal: Number Bases Every Developer Should Know — Understand why computers use binary, how hexadecimal simplifies it, and how to convert between number bases with practical programming examples.
Color Spaces Explained: RGB, HSL, HEX, and HSB for Developers — Understand the differences between color spaces, when to use each format, and how to convert between RGB, HSL, HEX, and HSB in CSS and JavaScript.
SQL Query Formatting Best Practices — Write readable, maintainable SQL queries with consistent style. Covers capitalization, indentation, JOIN formatting, subqueries, and naming conventions.
Markdown Syntax Guide: From Basic to Advanced — A complete Markdown reference covering all standard and extended syntax, with practical examples for documentation, READMEs, and static sites.
JavaScript Code Formatting Best Practices — Learn how to write clean, consistent JavaScript with Prettier, ESLint, and style guides. Covers indentation, naming conventions, and team configuration.
HTML Entity Encoding: Prevent XSS and Display Special Characters — Learn how HTML entity encoding works, when to use it, and how it prevents cross-site scripting (XSS) vulnerabilities in web applications.
YAML: A Complete Guide for Developers — Master YAML syntax, understand its differences from JSON, and learn how to write clean configuration files for Docker, Kubernetes, GitHub Actions, and more.
URL Encoding and Decoding: A Complete Developer Guide — Understand percent-encoding, when to encode URLs, common pitfalls, and how to handle special characters safely in web applications.
The Complete Guide to Test Data Generation for Developers — Learn how to create realistic test datasets for unit tests, integration tests, and QA pipelines. Covers strategies, tools, and best practices.
Cron Expressions: A Complete Reference with 30+ Examples — Master cron syntax for Linux, GitHub Actions, Kubernetes CronJobs, AWS EventBridge, and Spring/Quartz. Full field reference and gotchas.
How to Compare JSON, CSV, XML and YAML While Ignoring Key Order — Learn how to compare structured data (JSON, CSV, XML, YAML) while ignoring property order. Understand why key order matters in comparisons and how the Ignore Order feature helps you find real differences.