Question: What is the proper way to dynamically allocate a 2D array using the new operator?Here’s a code fragment:int num = 50;int **stuff;stuff = new int[num][num];My compiler (g++) returns the
Question: Can I use strstream functions for incode I/O,i.e. writing to memory just as if it were binaryinput/output to a file? Answer: You can use it to do incode input
Question: Which arguments do you receive when you overload . and -> , and what do you do with the arguments? I know that for overloading [] you receive the
Question: Which model of C/C++ compiler offers the best value for a beginning programmer?(It must be ANSI C compatible.) Answer: The GNU G++ compiler. It’s free, ANSI C compatible and
Question: Suppose I’ve got the following class hierarchies:Surface_PlotContourSurface_Plot, child of Surface_PlotSurface_DataGridSurface_Data, child of Surface_DataSurface_Plot contains a Surface_Data object, ContourSurface_Plot contains a GridSurface_Data object.What is the most elegant way to arrange
Question: In C, I use the FILE *filename. As a beginning C++ programmer, I open streams for reading and writing inside the main() function, but when I try to work
Question: Consider the following piece of code:#include /* C++ String class */static String s(“hello”);main() { // … your code s += ” world”; // …}Question: String class uses the new
Question: Is it possible to read integers from a file as integers, or must I read them as strings and then convert them to integers? Answer: In C++ the streams
Question: For a reference counted implementation, how is the operator+= member function coded? The function receives (const String & rhs) and returns String &. The returned String &