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The Latest

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Declaring Global Variables in Java

If you are coming from C or C++ background, you must miss declaring Global variables in Java. You can get the same functionality in Java by declaring a class and

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Using Numbers in SQL Text

Question: Here is the code I am using to do a query from an Access 97 database: Query = “SELECT * FROM DiamondList WHERE (ProductNumber = ‘” & tempProduct &

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Display Currency Information Correctly

Question: I am writing an online order form in ASP. How can I restrict the value of vartax to a two decimal digit (round up to two decimal points)? Most

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XML in ASP vs a Java Servlet

Question: I am building a Web application using ASP and XML. My database calls are directed to a server with a Java servlet over HTTP. It works fine except when

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Direct Response to Another Frame on a Page

Question: I have a page broken into two frames. Frame A has a form. I would like the response from the form directed to Frame B. Right now, my response

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Sending Plain Text Via ASP

Question: I wrote simple ASP code that reads a TXT file and sends it to the browser. I change the Response.Header to plain/text. Internet Explorer 4 displays the text file

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Let Your Text Throw A Shadow

It is very easy to add a shadowy effect to drawn text in Java. All we have to do is to pick a darker color for the shadow and draw

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Generate a Relative Path

Sometimes in an application you will have a “home” directory associated with the application, and then some files associated with that home directory. To have the files in an independent

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Test Both Strings and DOM

Browsers Targeted: Internet Explorer 3+ It used to be a truism that manipulating strings was always much slower in DHTML than working directly with the Document Object Model (DOM), but

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Win NT / Get UserGroups Permissions in VB

Question: I would like to get the permissions for the users of my app. I have setup groups for users with the appropriate permisions. Now all I want to do

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Static Char THIS_FILE[]=__FILE__

Question: When I learned VC++, I found a bizarre statement inevery .cpp produced by AppWizard: “static char THIS_FILE[]=__FILE__;” Why does AppWizard redefine THIS_FILE?I find that THIS_FILE is just defined as__FILE__

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Using Lockf with Seed Files

Question: It’s been years since my paws had to pound out a solution in C, so I’m a bit rusty and would like a second opinion.. or third… or fourth.

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Pointers to Vectors

Question: How do you create an array of pointers to vectors?The different vectors will, eventually, have different lengths. Answer: You declare an array of pointers to vector like this: std::vector

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Finding Cursor Position in TextBox

Question: How can I find the current cursor position in text box? Answer: You can use the SelStart property of the TextBox to indicate where the cursor is in the

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ASCII Values

Question: How do I change an ASCII value to a letter in C++? Answer: You can directly assign the ASCII vlaues to a variables of type char.The decimal value is

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Problems with Getc and Scanf

Question: I want to make a menu, where you can select from 1-4. By pressing one of these keys you should get into a subprogram. Now I have to press

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Creating Visual Basic DLLs

Question: Is it possible to create DLLs in Visual Basic? If so, how? For example, I want a DLL with a function that can accept 2 integer arguments and returns

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Changing E-mail Addresses in Bulk

Question: How can I define a second SMTP e-mail address, specify that the new e-mail address be the reply address, and retain the old address easily for many (>1000) users?

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Selling the Decision Makers on XML

Question: I am starting to see the benefits of using XML and XSL in Web site development, but my challenge is convincing the decision makers. Their usual responses are: “Show

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Find Text Programmatically With textRange

Browsers Targeted: Internet Explorer 4+ You can find a string of text within a document programmatically using the textRange object, which handles most of the internal string manipulation capabilities in

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Using XSLT to Transform Flat Data Into a Hierarchy

Question: I have a limited understanding of XSL (Extensible Stylesheet Language) and have been trying to figure out how to write an XSL document that will transform a highly de-normalized

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Database Performance Degradation

Question: We are running Informix On-Line Database Engine 7.23 on an HP UX 11.0 machine with 4 CPUs.The database is connected through a middle-tier, which is ENTERA Application Server running

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Fix VID Connections on NT Server

Users of Visual InterDev sometimes report getting an error message when they try to create a new project. The error claims that there is no Web named “”. This can

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INFORMATION_SCHEMA: A Map to Your Database

f you’ve spent any time at all working with databases, you know that the time comes when you scratch your head and ask, “Now what was the name of that

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Maintain Large Databases with XML Servers

ne of the more common questions asked here at “Ask the XML Pro” has to do with the dilemma of maintaining large databases of XML data. Specifically, suppose that you