April 6, 2002

Use C-Style Arrays as Containers

C-style arrays can be passed as containers to STL algorithms. The pointers to array elements can be used as iterators.Example: #include #include int main(){ int array[] = { 1, 3,

Inhibit Derivation from a C++ Class

If no other classes can derive from a class, then you know that all the pointers to that class point to objects of a uniform size. This can simplify memory

Switch Statements in Object Oriented Design

There is nothing intrinsically evil about ‘switch’ statements. However, they do sometimes result from improper Object Oriented design. There are twodesign principles to keep in mind.1. Open/Closed Principle: this states

Print the Length of the String Without Using strlen()

The following code reads one string, and prints the length of that without using strlen(): #include #include int main(){ char s[20]; gets(s); printf(” %d “,printf(“%s”,s));/*return type of printf() is int.

Pull a Date From SQL Server DateTime

SQL Server stores datetime data in 8 bytes. The first four bytes represent the date and the second four represent the time. To axe off the time part of the

Add a Tooltip for the MFC Dialog

This method works for the MFC derived class and was tested on a Dialog-based class. Set Active Project Select Project –>Add to Project –>Components and Controls –> VC++ Components –>