Scripting Languages I: Node.js, Python, PHP, Ruby - Hyperpolyglota side-by-side reference sheet sheet one: version | grammar and execution | variables and expressions | arithmetic and logic | strings | regexes | dates and time | arrays | dictionaries | functions | execution control | exceptions | threads sheet two: streams | asynchronous events | files | file formats | directories | processes and environment | option parsing | libraries and namespaces | objects
Arduino Cheat Sheet | QuicklyCode - Cheat sheets and programming stuff
