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I took Prof. Gallier (the author of this document)'s class when I was a graduate student at Penn. http://www.cis.upenn.edu/~jean/home.html It is one of the class I enjoyed the most…

Is is possible to use css selector to pick up content from html?

The article is not true, Chinese president Xi Jingping's daughter goes to Harvard and many her high school class mates in China think she is just an average student.

http://www.amazon.com/Naive-Theory-Undergraduate-Texts-Mathe... is quite readable

Obligatory Schemes and Syzygies

Any one know how Sublime Text's Command Palette alternative in emacs?