---
title: "Programming Cheatsheets - Quick Reference | FindUtils"
description: "Language syntax, methods, and common patterns. Search 10 printable references. Copy syntax or print the complete cheatsheet."
url: https://findutils.com/cheatsheets/programming/
---

# Programming cheatsheets

Language syntax, methods, and common patterns. Search 10 printable references. Copy syntax or print the complete cheatsheet.

- [Barcode Formats](https://findutils.com/cheatsheets/barcode-formats/): Code 128, Code 39, EAN and UPC inputs, check digits, export settings, and print checks for barcode generation.
- [JavaScript ES6+](https://findutils.com/cheatsheets/javascript-es6/): Modern JavaScript syntax: destructuring, arrow functions, promises, modules, and built-in methods
- [Python Essentials](https://findutils.com/cheatsheets/python-essentials/): Python syntax, data structures, comprehensions, built-in functions, and common patterns
- [Regular Expressions](https://findutils.com/cheatsheets/regex/): JavaScript-style regex syntax, character classes, quantifiers, groups, assertions, flags, and example shape patterns.
- [SQL Reference](https://findutils.com/cheatsheets/sql-reference/): Common SQL clauses for queries, joins, aggregation, data changes, tables, and indexes. Check the database dialect.
- [TypeScript Essentials](https://findutils.com/cheatsheets/typescript-essentials/): Types, interfaces, generics, utility types, type guards, and advanced TypeScript patterns
- [NPM Commands](https://findutils.com/cheatsheets/npm-commands/): Package management: install, update, publish, scripts, audit, and configuration
- [Redis Commands](https://findutils.com/cheatsheets/redis-commands/): Strings, hashes, lists, sets, sorted sets, pub/sub, streams, and transactions
- [MySQL Reference](https://findutils.com/cheatsheets/mysql-reference/): MySQL queries, joins, indexes, user management, and database administration
- [jq Commands](https://findutils.com/cheatsheets/jq-commands/): Pretty-print, select, map, and transform JSON on the command line

All categories: [Cheatsheets](https://findutils.com/cheatsheets/).