Cheat Sheet -- Various cheat sheets available free

techcheatsheets.com provides many cheat sheet for popular programming languages such as: actionscript ajax apache asp blog coldfusion color cpp css database django dojo dotnet emacs firebird firefox flash google htaccess html java javascript LaTeX linux mac microformats mod_rewrite msoffice mysql networking perl php postgresql prototype python quicksilver rails regex ruby scriptaculous security subversion symfony textmate thunderbird unix vb vbscipt vbscript vim webapp wiki windows wordpress XML and even yahoo.
techcheatsheets basically is a container to various links outside. Download Free ebook!