The main reason we see all these relatively information-less blog posts / tutorials is because most people on HN are afraid of the math. If you're not afraid of

The main reason we see all these relatively information-less blog posts / tutorials is because most people on HN are afraid of the math. If you're not afraid of the math (or have a relatively strong math background), then honestly you can jump into the CS 229 Stanford lecture notes and homework assignments. If that's a little too heavy for you, you can also start with the MOOC version of that course (which is a very watered down version of CS 229).