Emacs code completion for C/C++?

Question

1. Emacs wiki
2. Xrefactory
3. CEDET
4. ?

What can you recommend me ?

Answer 1

You can try company-mode. It's a multi-backend in-buffer completion mechanism.
Watch the screencast to get an idea of how it works.

Some of the back-ends are:

• CEDET Semantic
• dabbrev
• XCode
• PySmell
• Ropemacs
• GNU Global

And it's also available via ELPA.