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• Starting with C++ this is the first chapter of the book.
• It is stated in this book that C++ offers power and flexibility.
• C++ has the dangerous ability to get closer into computer memory.
• What is "overloading" in C++?
  • Using the same function name with several different parameters sets.
• Here is an example of overloading.

#include <iostream>

using namespace std;

class print_data {
    public:
        void print (const char *_c) { cout << "printing character: " << _c << endl; }
        void print (float _f) { cout << "printing float: " << _f << endl; }
        void print (int _i) { cout << "printing interger: " << _i << endl; }
};

int main (int argc, char *argv[]) {
    print_data pd;

    pd.print("hello world"); // Print character.
    pd.print(1); // Print integer.
    pd.print(123.123f); // Print float.

    return 0;
}

• In VisualStudio you can define macros as a compiler parameter.
• You can define #define by a compiler flags! With VisualStudio the switch is \D.
• This book says that using #define to define constant is often not a good idea.
• If I think the compiler pre - processor caused an error, try to compile using verbose mode.
• In Windows environment (VisualStudio) there is \EP switch (I am not sure on how to use it because I rarely use Windows). For g++ use the -v flag to get into verbose mode!
• stdout is a C++ term for command line.
• Macros is not used as mush as nowadays due to inline. Moreover because macros do not provide type checking like regular functions does.
• Macros nowadays used as a debugging features. Usually in the compiler there are a way to put custom symbols.
  • In g++ the parameter is -g.
  • This later can be used alongside with gdb.
• Some screnshots taken from the book.

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