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→Useful links for Programming
:[http://www.unknownroad.com/rtfm/gdbtut/gdbsegfault.html gdb] how to debug
:[http://www.opengroup.org/onlinepubs/007908775/xsh/fopen.html Open Group]
:[http://www.acm.org/crossroads/xrds1-4/ovp.html] copy constructors
*C, C++ Tips