quick references that feature the most commonly forgotten things on a specific topic. You can print them out and hang them on your wall, or just keep them handy in your bookmarks for quick reference.
Perl is a stable, cross platform programming language. It is used for mission critical projects in the public and private sectors and is widely used to program web applications of all needs.
Clojure is a dynamic programming language that targets the Java Virtual Machine. It is designed to be a general-purpose language, combining the approachability and interactive development of a scripting language with an efficient and robust infrastructure
O. Callaú, R. Robbes, \. Tanter, and D. Röthlisberger. Proceedings of the 8th Working Conference on Mining Software Repositories, page 23--32. New York, NY, USA, ACM, (2011)
J. Armstrong. HOPL III: Proceedings of the third ACM SIGPLAN conference on History of programming languages, page 6-1--6-26. New York, NY, USA, ACM, (2007)