Crate missing 

The Missing Semester of Your CS Education

https://missing.csail.mit.edu

https://www.youtube.com/playlist?list=PLyzOVJj3bHQunmnnTXrNbZnBaCA-ieK4L

https://news.ycombinator.com/item?id=47124171

Why missing

-> why

How this doc is generated

-> how