Question: How do I pick up useful data from a TXT file and insert it into a database? Answer: You can tackle this problem two ways. If your data follows

Question: How can I run an image viewer in a window portion of a form in Visual FoxPro alongside a scrolling list box? Answer: Here is how to create a

Question: I have two questions about arrays. I have a 2D array of floats. I want to init everything with 0.0f. There must be a better way than going through

Question: What is giving me a redefinition of CMenuItems class error in this code? //cmenu.hclass CMenuItem { public: char title[81]; virtual void Do_Command(void)=0;};//*********************//CMDS.CPP Defines and initializes menu commands.#include #include #include

When you have a 32-bit color value, you can convert it to a grey-scale – that is, you can determine how it would appear on a monochromatic display (more or

You can easily create a ListBox control similar to the one found in the VB’s Project References dialog box, that lets you select multiple items and move them up and

When dynamically changing the bound ADORecordset for a DataCombo or DataList control, the order you follow when assigning the properties is important. This is the correct sequence of operations to

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You can customize your applets by providing parameters at runtime in . But it is a good practice to always provide default values, when specific values for parameters are not

You can generate Random numbers in Java using the Random class available in java.util package. The following is a code which generates Random numbers between 0 and 100: import java.util.Random

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A pretty typical scenario is a drop-down list box with a standard default selection that instructs the user to choose an option. It is enclosed in tags, which the user

Question: How does a servlet handle GET and POST requests? Answer: The HttpServlet abstract class, defined in the javax.servlet.httppackage, contains several methods that simplify interacting with HTTPrequests. Two of the

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Question: I have several MS Access97 database tables that are larger than 120 MB. When I use ADO to open the entire table it seems to try to load the

Question: Using JDBC, how can I turn a database table into a series of SQL INSERT statements that can recreate the table? Answer: Dumping a database table into a set

Question: I’m trying to test the JDBC-ODBC bridge with JDBCTest tool and itgives me the following error: registerDriver() Failed:java.lang.ClassNotFoundException: sun/jdbc/odbc/JdbcOdbcDriver What’s the problem? Answer: It looks like the jar file

VB6 introduced the Validate event as a way to handle field-level validation without using LostFocus, which doesn

Sometimes, you have an integer value in code that you

If you do a lot of work with the Windows API, you might notice that some API functions have flag-type parameters, and you usually pass API constants as the values

VB5 introduced a Style property of the checkbox or option button, with a graphical setting that makes the button or checkbox appear to be a command button instead of its

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Question: What is the correct syntax for forcing a page to break out of a frameset that might call it? Answer: The way to make sure that your document isn’t

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Question: I want to create a library of generic JavaScript functions. Is it possible to write different functions in different files, and use the functions within other files by “including”