With Java, you can easily write a client program that connects to a Web server and downloads an HTML file. You can also easily expand this simple program into a
With Java, it’s easy to write a client program that connects to a TCP/IP server to get the date and time. This is very useful for network testing. Insert your
My code often has a lot of nested procedure calls, which can be painful to trace while doing walk-throughs. Developers might be unaware of the “Procedure Definition” (Shift+F2) feature, which
This routine parses a string and returns an equivalent string where all the instances of a given substring are doubled. This is especially useful for doubling quotes within SQL statements
To use a picture on a CommandButton, you must set its Picture property and set its Style to 1 – Graphical. Otherwise, the picture will be ignored.
Visual Basic includes constants, such as vbActiveTitleBar and vbButtonFace, for Windows system colors, which the user might change through the Control Panel. (In VB3, these constants are defined in the
Since a class is a namespace, the scope for overloading a member function is confined to the class containing this function. Sometimes, it is necessary to overload the same function
To change the ToolTips background color, open the Control Panel’s Display tool. Click on the Appearance tab. In the Item combo box, select ToolTip. Click on the little color box
In large-scale projects different teams use API functions developed by another team or a third-party vendor. For example: int retrievePerson (int key, Person& recordToBefilled); // original version; used by all