Linux C/C++ IDE

Good evening,

been using Geany under Ubuntu since I started studying Business Informatics. Now being in the second semester our classes changed from C to C++ and I found that Geany isn't so good for C++ because it lacks a decent auto-completion (e.g. member functions of STL are not shown).
Does anyone know a light IDE with decent auto completion?

>>19-21
Linux isn't retarded, but VS is what most professionals use.  Most professionals are actually retarded, though, in a loose sense of the word "retarded."  Their intellectual growth has been "retarded" or "obstructed" by being forced to develop for the most popular platform.  If you're lucky enough to have the freedom to choose any target OS and development platform, then use Linux and emacs and enjoy your simplified life.