Git-CheatSheet
aryankashyap7/CheatSheets-for-Developers: This Cheat sheet list has been made to enhance the workflow and efficiency. This well curated list will save you time when you just can't remember the code.
Cheatsheets - roy4801's cheatsheet
Syntax highlighting
OverAPI.com | Collecting all the cheat sheets
Awesome Cheatsheets
Devhints — TL;DR for developer documentation
1541 Programming Cheat Sheets - Cheatography.com: Cheat Sheets For Every Occasion
cppreference.com
Big-O Algorithm Complexity Cheat Sheet (Know Thy Complexities!) @ericdrowell