Developer Quick Reference

Syntax you forget.
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Clean, organized code references for the languages you use every day. No fluff — just the snippets you need, copy-ready.

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All Languages

Document structure, forms, tables, semantic elements, media embedding, and meta tags.

Selectors, Flexbox, Grid, transitions, animations, variables, and responsive design.

Variables, functions, arrays, DOM manipulation, events, async/await, and ES6+ syntax.

Syntax, lists, dicts, OOP, file I/O, comprehensions, exceptions, and built-in functions.

Data types, OOP, classes, inheritance, collections, exceptions, and Java syntax.

Syntax, pointers, arrays, structs, file I/O, dynamic memory allocation, and strings.