Cheat Sheets
Fast, scannable reference tables for the syntax you look up again and again — regex, Git, Markdown, cron, Flexbox, and SQL. No fluff, just the commands and what they do.
Languages
Regex Cheat Sheet
A quick reference for regular expression syntax: character classes, anchors, quantifiers, groups, lookaround, and flags, with examples.
40 entriesMarkdown Cheat Sheet
A quick Markdown syntax reference: headings, emphasis, lists, links, images, code blocks, tables, and GitHub Flavored Markdown extras.
27 entriesSQL Cheat Sheet
A SQL quick reference: selecting, filtering, joins, aggregation, inserting and updating data, and table management.
30 entriesTools
Git Cheat Sheet
A quick reference of the Git commands you use most: staging, committing, branching, merging, remotes, undoing changes, and inspecting history.
34 entriesCron Cheat Sheet
A cron syntax reference: the five fields, special characters, shorthand strings like @daily, and ready-to-copy schedule examples.
27 entries