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Question: How I can count the number of user mailboxes I install? Answer: To count the number of mailboxes in your site, just click on the Recipients tab and look

When working in the ASP environment, HTML forms are used to pass data from the client browser to the Web server. If the form variables are passed to the Web

Question: My project is a based on thin client/server architecture. Internet Explorer 3.02 is the front end using ASP; ActiveX controls and DLLs form the business objects; and Oracle is

Question: Facts: Employee(name,salary,boss,department) Question: Which employees earn more than their boss ? Answer: Please make sure you don’t share the results with your boss! : ) Try the following: use

Java gives you control over the serialization process through the java.io.Externalizable interface. The java.io.Externalizable interface extends the java.io.Serializable interface by adding two methods: public void writeExternal(ObjectOutput out) public void readExternal(ObjectInput

How can we make sure that only one instance of our Java application is running on a machine? Java does not provide the means of finding out if another instance

Sometimes, it is useful for an applet to launch a modal dialog whose parent is the browser window containing the applet. This is so when we’d like to get some

Sometimes, it is extremely useful to know the number of times a Web page is hit. This is especially so if a web site depends on usage statistics in order

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

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

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

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

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

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

Some languages, like C++, let us declare optional parameters. For example, the following is a valid method signature in C++: public aMethod(int x, int y=0, int z=0); where parameters y

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

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

Suppose you are writing a Java application on the windows platform and want to make a JNI call to a C function written with Microsoft Visual Studio 6.0. Well, here’s

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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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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

Question: How do I use a variable to reference a control on a form? For instance, if I have five controls on a form named Edit1 through Edit5, and I