This post is meant to be informative, but it does have an ad at the end, which will be clearly marked. You have been warned!IntroductionI used to think that my Bachelor’s Degree in Computer Science was useless, that I didn’t learn much that would help me in programming.I was wrong.There was at least one class that was well worth it: Theory of Computation.I also consider a few others worth it:The class about linear algebra.The class about discrete math.The class about different kinds of algorithm...