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→Q&A List compiled from stackoveflow
*How come there's no namespace specified before :: ? [http://stackoverflow.com/questions/5966647/c-namespace-question] (Peter Liu)
** global namespace [http://stackoverflow.com/questions/10269012/global-scope-vs-global-namespace]
* the C++ standard namespace (std) [http://www-h.eng.cam.ac.uk/help/tpl/languages/C++/namespaces.html#Standard](Peter Liu)*What does it mean for a char to be signed? [http://stackoverflow.com/questions/451375/what-does-it-mean-for-a-char-to-be-signed](Peter Liu)