New ask Hacker News story: Ask HN: Which online courses and books can provide real value to a programmer?

Ask HN: Which online courses and books can provide real value to a programmer?
8 by optbuild | 2 comments on Hacker News.
The courses or books shouldn't necessarily be about programming or CS. They can be from math, bio or any other domain. The main criteria is that it makes you a better thinker, designer, engineer and ultimately a better problem solver.