https://people.cs.nycu.edu.tw/~chuang/ 1.0 https://people.cs.nycu.edu.tw/~chuang/pubs/ 0.9 https://people.cs.nycu.edu.tw/~chuang/courses/unixprog/ 0.8 https://people.cs.nycu.edu.tw/~chuang/courses/swsec/ 0.8 https://people.cs.nycu.edu.tw/~chuang/courses/redblue/ 0.8 https://people.cs.nycu.edu.tw/~chuang/courses/clinic/ 0.8