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Question: How do I convert a class into an abstract base class without using a pure virtual member function in it? Answer: If your goal is to disable instantiation of
Question: How do I convert a class into an abstract base class without using a pure virtual member function in it? Answer: If your goal is to disable instantiation of
Question: Where can I download the HitCount Component for ASP? Do I need to register it on the Web server also? Answer: FrontPage 98 ships with a hit counter component.
Question: I’m doing a Web front for a database that contains data about temperature. How do I calculate an average temperature using SQL code? Answer: Use the AVG function to
Question: How do I do a forward declaration for the STL ‘string’ class? For example: // Foo.hppclass string;class Foo{ string f1(); void f2(const string& str); …} On various compliers (MS,
Using the IE browser application, you can press the key while filling a form to submit the form. Indeed, this is a desirable feature for any Windows application. In order
A design pattern is a design solution to a software problem that occurs within a specific, recurring set of situations. Let’s say you are making software for a problem situation
Banner ads are common on any commercial site these days. But most of them use mechanisms like Server Push, Serve-side objects, or even services of third parties to rotate the
In Java, the reading and writing of 32-bit or smaller quantities are guaranteed to be atomic. By atomic we mean each action takes place in one step and cannot be
Once you’ve established a connection to Microsoft Excel using OLE DB, you’re not out of the woods. You still have to define a Named Range in Excel; then you can