Polymorphism and List problemIn order to experience polymorphic behaviour you need to call your member functions through a pointe...
Why can't I access the length of my array?I recommend you look into using std::vector or (C++11) std::array.
ThreadsYou need a recent version of GCC and you need to use the compiler flag -std=c++0x and -pthread Here...
Help opening files in double for loopYes: [code] #include <sstream> [/code] :-)
Help opening files in double for loopYou could use a std::ostringstream to convert your numbers into strings a bit like this: [code] for(...