The Dictionary object can contain items, which can be any form of data, just like a collection. However, the Dictionary object has many advantages over a collection. It allows retrieval
Let’s say you want to bind your listbox to a recordset, but you also want to display two fields concatenated together, such as “Jones, Barbara.” You can do this by
This quick and dirty encryption/decryption function takes whatever string you pass it, assigns it to a byte array, Xor’s each byte by a constant, then returns the string. The offsetting
The famous “Big Three Rule” says that if a class needs any of the Big Three member functions (copy constructor, assignment operator, and destructor), it needs them all. Generally, this
When using Java’s Remote Method Invocation (RMI), you may have defined a server class that extends java.rmi.server.UnicastRemoteObject. Extending UnicastRemoteObject makes your class capable of handling incoming calls, and is acceptable
The with() statement in JavaScript is identical to the With statement found in Visual Basic. Using with(), you can reduce object references and make your code more readable. Surprisingly, it
Did you know that you could write pure JavaScript in the address bar of Internet Explorer or Netscape? You can also write pure JavaScript in the Start/Run dialog in Windows.
Several small and specialized classes are preferred to a single bulky class that contains hundreds of member data members and member functions. More than once I’ve seen programmers extending a
The java.awt.Container class provides a number of different overloaded versions of the add() method which are used to add components to the container. The integer value specified with the add(Component,