https://www.haiku-os.org/development/coding-guidelines
http://qt-project.org/wiki/QtCodingStyle
http://herbsutter.com/elements-of-modern-c-style/
http://www.appinf.com/download/CppCodingStyleGuide.pdf
http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml
http://msdn.microsoft.com/en-us/library/ms184412.aspx
https://github.com/isocpp/CppCoreGuidelines