Blog
Practical guides and deep dives into developer tools, formats, and workflows.
4 articles
Cron Expression Examples: Syntax, Patterns, and Common Schedules
A practical reference for cron expressions - how each field works, the special characters that make cron flexible, and real-world schedule examples you can copy directly.
Cron8 min readRegex Email Validation Patterns: What Works and What Doesn't
A developer's guide to email validation with regex - from the simple pattern that covers 99% of cases to RFC 5322 edge cases, plus JavaScript examples you can use today.
Regex6 min readJWT Tokens Explained: Structure, Claims, and Security
A practical breakdown of JSON Web Tokens - how the three-part structure works, what claims mean, how signatures are verified, and when to use JWTs instead of sessions.
JWT6 min readJSON vs YAML: When to Use What
A practical guide to choosing between JSON and YAML for configuration files, APIs, and data serialization. Learn their tradeoffs with real examples.
JSON6 min read