On: Why did we ever think a student's first programmin...

[hnfong]

Daniel Lemire has some very interesting blog articles about "low level" data structures that you'd think you understood in first year CS.

I just linked to a google search on "hash tables" because that's what you asked for, but some of his other posts are really quite fascinating.

https://www.google.com/search?q=site%3Alemire.me+hash+table