Reference

Cheat Sheets

Clean, bookmarkable quick references for the things you look up again and again — status codes, ASCII, regex, cron and more.

HTTP Status Codes

Every HTTP response code and what it means.

ASCII Table

All 128 ASCII characters with decimal and hex.

Regex Cheat Sheet

Regular expression syntax at a glance.

Cron Syntax Cheat Sheet

The five cron fields and common schedules.

Git Commands Cheat Sheet

The everyday Git commands you actually use.

HTML Entities

Common HTML entities and their codes.