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The Latest

DevX - Software Development Resource

Using the C Pre-Processor

If you are porting code from C to Java it is often useful to be able to use the C pre-proccessor (cpp or cc -E). This tip shows you how

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Shifting Focus Away from a JTextArea with the Tab Key

Under most circumstances, pressing the tab key within a JFC/Swing GUIapplication will cause the focus to shift from the currently focusedComponent to the next focus-traversable Component. This is not thecase,

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Embedding Multiple Applets in a Web Page

To embed more than one applet in a single web page, put each applet in its own subfolder within the folder that contains the HTML document. Use the APPLET tag’s

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Buy an ActiveX Control or Develop Your Own?

Question: I am endeavoring to provide a graphical booking sheet metaphor (i.e. timeslots v. names) in an ActiveX Document. The third party grids I’ve tried, purchased and tested don’t allow

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Which Install Method–Win9x or Win2K?

Question: I need to upgrade my Installshield, so I have been researching available products. Both Installshield and Wise (and others) seem to produce excellent installers. However now that the Windows

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ADO Connection String

Question: What is the syntax for accessing a FoxPro 2.5 table using an ADO connectionstring? I want to be able use a DSN-less connection and access different tables depending on

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Take Advantage of ADO Optimizations

A common user scenario in a development environment is where the code typically opens a connection, executes a row or non-row returning command, processes results, and closes the connection. For

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Avoid File DSN Usage Whenever Possible

The File DSN usage should be avoided whenever possible. Instead, use System DSN; it is, on average, twice as fast. Also, File DSN is less secure because the database name,

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Select Maximum Five Result

Question: How do I find out the top-five best sale items? I want the maximum five items to be listed. Answer: In version 7, SQL Server has conveniently provided the

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Query Performance Comparison

Question: What is faster: two LIKE statements or one BETWEEN? ((MyData LIKE ‘02105_’) OR ((MyData LIKE ‘02106_)MyData BETWEEN ‘021050’ AND ‘021069’ Please advise. Answer: When trying to decide which is

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Refer to Members of a Collection With the Full Name

You can access all variables directly by calling Request(variable) without the collection name. In this case, the Web server searches the collections in this order: QueryString Form Cookies ClientCertificate ServerVariables

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Windows 2000 Boot Disk

Question: I have installed Windows 2000 on my laptop. I would like to create an emergency start disk akin to Windows 98. My current partition is FAT32. I created a

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Dual Processor Support

Question: Does Microsoft plan on implementing dual processor support in Windows “Millenium” and will it be based on NT? I’m just trying to decide whether I should upgrade my Win98

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NT Workstation 4.0 Home Network

Question: I have two PCs at home which are used by various members of my family. I want to connect them as a small network. Can I do this by

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Schedule a Batch File

Question: I need to schedule a batch file to automatically run at night. I have tried every variation of the “AT” command from a command line on the Windows NT

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Object Containment and Member Initialization

Question: I would like to know for containment (having objects as data member), what is meant by “if the inner class object’s constructor requires parameters, the initialization syntax must be

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Defining an Array of Strings

Question: I have 20 predefined strings that I want to put into an array of strings. Here is my idea: #include static std::string array[20]; If I do just this, I

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Using the Assert Macro

Question: I am not sure if it is good when I use the assert macro in the following code: int sum(int number)// Precondition: number => 1// Postcondition: return sum from