Artificial Intelligence

PathFinding.js (visualize)

Blogging

jekyll

CSS

CSS “Almanac” | CSS Reference | CSS Selectors | CSS Multiple Selectors

Data Science (General)

A Visual Introduction to Machine Learning | iPython Notebook Examples | Open Data Science

Data Sets

Enron Email Corpus: CMU, AWS, Berkeley

Data Wrangling

Soupy

Deep Learning

DeepLearning.net | Neural Networks and Deep Learning

DevOps

The Twelve-Factor App

Golang

Go Programming Cheat Sheet by Derek Banas

Hacking Gopher (Chrome Extension)

Hackathons

hackathon.io

Haskell

Learn You a Haskell for Great Good!

HTTP

httpbin

JavaScript

Eloquent JavaScript

JavaScript Patterns

Learning JavaScript Design Patterns

nodeschool workshoppers

React.js

Markdown

Jekyll

Physics

The Feynman Lectures on Physics

Signals and Systems

Seeing Circles, Sines, and Signals: A COMPACT PRIMER ON DIGITAL SIGNAL PROCESSING

Solve Symbolic Expressions

SymPy

Quantitative Finance

Quantopian | Simply Wall St

Regular Expressions

regex101.com | RegExr

Software Development/Engineering

The Twelve-Factor App

Statistics

Bayesian Statistics Made Simple

A/B Test Sample Size Calculator