Blog
Tutorials, deep-dives, and comparisons to help you work with data formats and developer tools.
April 4, 2026
How to Format and Beautify CSS: A Complete Guide
Learn how to format and beautify CSS with Prettier, Stylelint, and online tools. Covers indentation rules, property ordering, and team standardization.
April 4, 2026
Epoch to Date: Convert Unix Timestamps in JS, Python, Go, Java, PHP & Rust
Convert epoch to date in JavaScript, Python, Go, Java, PHP, and Rust. Copy-paste code snippets with timezone-aware examples and common pitfalls.
April 3, 2026
CSS Performance: Core Web Vitals Workflow for Devs
A framework-agnostic guide to measuring and fixing CSS performance. Read PageSpeed audits, inline critical CSS, eliminate render-blocking, and automate with PostCSS cssnano.
April 3, 2026
JSON to YAML: Practical Guide for Kubernetes, Helm, Docker
Convert JSON to YAML for Kubernetes, Helm, and Docker Compose. Covers yq, Python, js-yaml, multiline strings, boolean hazards, and null handling.
April 3, 2026
How to Debug JWT Authentication Issues
Decode JWTs, read claims, and fix the 5 most common auth errors — expired tokens, wrong audience, algorithm mismatch, and more.
April 3, 2026
The Algorithm Behind git diff: How Myers Diff Works
A deep dive into the Myers diff algorithm that powers git diff — from edit graph theory to shortest edit scripts and unified diff output.
April 3, 2026
Regex for Email Validation: Patterns That Actually Work
Learn 3 email validation regex patterns from simple to RFC-aware. Test each pattern with edge cases in JavaScript, Python, and Go.
April 1, 2026
Crontab Cheat Sheet: 30+ Cron Job Examples
30+ cron job examples for backups, monitoring, and deployments. Master the five-field syntax, special characters, and crontab management.
March 31, 2026
Password Entropy Explained: How Strong Is Your Password
Learn the mathematics behind password strength, entropy calculations, and why 8 characters isn't enough anymore.
March 30, 2026
camelCase vs snake_case: Naming Guide
Which naming convention to use in JavaScript, Python, Go, and more. Covers camelCase, PascalCase, snake_case, kebab-case with per-language rules and examples.
March 29, 2026
Common Regex Patterns: 20+ Examples for Everyday Development
Master 20+ practical regex patterns for validation, data extraction, and text processing. Copy-paste examples in JavaScript and Python with explanations.
March 28, 2026
How to Create Strong Passwords: A Developer's Guide
Learn what makes a password strong, common mistakes to avoid, and best practices for generating and managing secure passwords in 2026.