http://course.fast.ai - starts with NN, where Andrew Ng's course leaves off
http://www.craftinginterpreters.com - when messing around with building lispy I used a parser generator, but this has a nice section on recursive descent
http://distill.pub - Machine Learning allstars go Bret Victor style.
http://sarabander.github.io/sicp/html/index.xhtml - Nicely formatted version of SICP