interesting code ideas

[erg]

http://www.keithschwarz.com/interesting/

interessing and usefull

https://github.com/thekarangoel/Projects

http://www.dreamincode.net/forums/topic/78802-martyr2s-mega-project-ideas-list/

https://github.com/samsquire/ideas

http://www.nag.com/numeric/fl/FLdescription.asp

http://rosalind.info/problems/list-view/
https://www.hackerrank.com/

http://manns.github.io/pyspread/
http://fuse.sourceforge.net/doxygen/structfuse__conn__info.html

Lisp - http://www.ic.unicamp.br/~meidanis/courses/mc336/2006s2/funcional/L-99_Ninety-Nine_Lisp_Problems.html
Haskell - http://www.haskell.org/haskellwiki/H-99:_Ninety-Nine_Haskell_Problems
Scala - http://aperiodic.net/phil/scala/s-99/
Prolog - https://sites.google.com/site/prologsite/prolog-problems

http://www.gazelle-parser.org/

https://github.com/jelmer/dulwich