I have been writing PHP, Ruby, ColdFusion, and javascript (not a language, I know), for several years.
But I am really wanting to get more into the world of Computer Science and writing in lower-level languages.
What are some good resources for starting out? It seems like every book I have gotten has been extremely elementary, and that isn’t at all helpful. I need something that skips the basics.
MIT’s OpenCourseware material is a good place to look.
Looking through this list, the following look like they hit some of the core CS topics: