Question: I am working on a project that reads in teletext information from the COM port in 8-bit binary form. Since ASCII does not represent teletext graphical characters, I have
The default constructor, copy constructor, assignment operator, and destructor are special member functions. The implementation implicitly declares these member functions for a class when the program does not explicitly declare
C++ provides four standard I/O streams that are automatically instantiated before program’s outset. They are defined in the standard header : cin // standard input stream of charcout // standard
Standard C++ does not directly address the issue of multiprocessing, threads, and thread safety. This issue is implementation dependent, which enables vendors to decide whether or not to provide multithreading
Pointers to objects or functions of the same type are equal if and only if in they are both NULL: int *p1 = NULL, p2 = NULL; bool equal =
To call a subroutine, you can use the Call statement or simply the name of the subroutine: Call MyRoutine(firstParameter) ‘Or MyRoutine firstParameter Notice you don’t include the parentheses in the
When talking to the user or subject-matter expert about an application’s requirements, write the requirements in the form of scenarios. A scenario both defines the requirement and provides a list
When you refer to an object in VB5, you get a drop-down list of that object’s properties and methods. But, did you know that the statements and functions of the
Older versions of VB required a unique name for your error-handler labels in order to use On Error GoTo . You had to concatenate the module name and routine name