code clinic
http://www.lynda.com/SharedPlaylist/3bd14e75f0014f05a34c169289d7a29aPHPhttp://www.lynda.com/PHP-tutorials/Code-Clinic-PHP/162137-2.html
Pythonhttp://www.lynda.com/Python-tutorials/Code-Clinic-Python/163752-2.html
Rubyhttp://www.lynda.com/Ruby-tutorials/Code-Clinic-Ruby/164143-2.html
R
http://tryr.codeschool.com/http://www.lynda.com/R-tutorials/Up-Running-R/120612-2.html
http://www.lynda.com/R-tutorials/R-Statistics-Essential-Training/142447-2.html
tools
http://www.lynda.com/vi-tutorials/Up-Running-vi/170336-2.htmlhadoop
http://www.lynda.com/Hadoop-training-tutorials/5811-0.htmlhttp://www.lynda.com/Barton-Poulson/984353-1.html