One-page references for regex, Git, and more. Scan, bookmark, and get back to coding.
Common regex patterns and syntax for JavaScript and other languages. Anchors, quantifiers, groups, and character classes.
Updated 2026-02-08
Frequently used Git commands and options for daily workflow.
Common npm script commands and package.json lifecycle scripts. Run, build, test, and lint from the CLI.
Updated 2026-02-09
Tailwind CSS spacing scale (padding, margin, gap). Rem-based values from 0 to 96 and arbitrary values.
App Router file conventions: layouts, pages, loading, and error handling. Route segments and metadata.
Quick reference for Markdown: headings, lists, links, code, blockquotes, and tables. Common flavors.
Common HTTP response codes: 2xx success, 3xx redirect, 4xx client error, 5xx server error. REST and APIs.
Flexbox container and item properties. Direction, wrap, justify, align, and gap. One-page reference.
Frequently used Bash commands for file and directory operations, search, and process management.
Common HTML character entities for symbols, quotes, and special characters. Named and numeric references.
Common MIME types and Content-Type values for web development. Application, text, image, font, and more.
Updated 2026-02-14
Quick reference of HTML5 elements with descriptions and categories. Document, sections, text, forms, tables.