gchallen

131 karmajoined November 25, 2019On HN

I teach computer science at the University of Illinois.

Recent submissions

Ask HN: What book should my CS1 students read?
5gchallen1y5 comments
Eliminate Final Exams geoffreychallen.com
1gchallen4ydiscuss
How and Why We Run Untrusted Java Bytecode in a Secure In-Process Sandbox geoffreychallen.com
2gchallen4ydiscuss

All submissions and comments on Hacker News.