Computer Hardware CS101 - Stanford https://web.stanford.edu/class/cs101/hardware-1.html
Bits and Bytes CS101 - Stanford https://web.stanford.edu/class/cs101/bits-bytes.html
Using Variables in Processing Physical Programming - RMIT School of Architecture http://www.openobject.org/physicalprogramming/Using_Variables_in_Processing
Language Reference (API) Processing https://processing.org/reference/
Processing Examples: Logical Operators https://processing.org/examples/logicaloperators.html
Processing Examples: Variables https://processing.org/examples/variables.html
Processing Examples: Functions https://processing.org/examples/functions.html
p5.js: Get Started https://p5js.org/get-started/
The Nature of Code Daniel Schiffmann http://natureofcode.com/book/introduction/ http://natureofcode.com/book/chapter-1-vectors/
Processing.js Quick Start (may things may be deprecated here) http://processingjs.org/articles/jsQuickStart.html
Procoding audiocommander.de http://procoding.audiocommander.de/
JSFiddle https://jsfiddle.net/
Sublime Text https://www.sublimetext.com/
Esoteric Language Database: Brainfuck http://esolangs.org/wiki/Brainfuck
Processing Examples: Statements and Comments
https://processing.org/examples/statementscomments.html
Processing Examples: Logical Operators https://processing.org/examples/logicaloperators.html
Processing Examples: setup() and draw() https://processing.org/examples/setupdraw.html
Processing Examples: Variables https://processing.org/examples/variables.html
Processing Examples: True/False https://processing.org/examples/truefalse.html
Processing Examples: Characters and Strings https://processing.org/examples/charactersstrings.html
Processing Reference: String https://processing.org/reference/String.html
Processing Examples: Variable Scope https://processing.org/examples/variablescope.html
Processing Examples: Datatype Conversion https://processing.org/examples/datatypeconversion.html