Tip Bank

Question: When I press the Close button on my app’s main form, the program appears to end. When I look at the Windows task list, however, my app is still

Question: How do you dynamically allocate memory for a two-dimensional array? This is what I had, and my g++ compiler didn’t like it: int **m;m= new int [100][100]; Answer: Yep.

Question: Given an exception, how do I convert the stack trace into a string? I want to capture the entire contents, the message and the trace, to a string. Answer:

Question: Is there a way to force a specific constructor with an interface? Answer: No, there is no way to force implementors of a given interface to use constructors with

Question: Does Java have a command that does what thesystem() function does in C, or a way to emulatethis action? For example, in C, system(“ls”); would call “ls” from the

Question: What is the main difference between Visual C and Visual C++ in Windows environments? Why would I want to use C++ instead? Is there any functional difference? Answer: Well,

Question: I am trying to program my own custom controls in C++ in the old, traditional style (using WNDPROCS, etc.), and I don’t want to use ActiveX. I’d like to

The java.awt.TextComponent class (from which TextArea is derived) has three methods to retrieve mouse selection information. The getSelectedText() method will return a String containing the selected text, and the getSelectionStart()

Many programmers like to use Java to automate access to network resources because it is so easy to write networking code with the Java networking classes. Accessing URLs through Java