We all know that using global variables in our projects is not considered good programming practice. Nevertheless, everyone does it. Sometimes you need to introduce public variables for storing initialization

Question: How can I speed up the download time of the text and images on my company’s Web site? Is there any rule of thumb to go by? Answer: The

Question: I am trying to insert a record into the database but it doesn’t seem to be working correctly due to the way the database is set up. Deleted HTML

Question: Is it possible for a function to return an array instead of a single value? Answer: No but, then again, you don’t really pass arrays as parameters, either. What

Question: I am using Microsoft Visual C++ 6.0 and am trying to create a callback function pointer to the public member of a class, but I keep getting the following

Question: I am using several large data structures as linked lists to process some data. Many of my helper functions use recursion. Because of the size/amount of data that I’m

Question: Is it possible to find out the last modified date of a Microsoft Word file on a server, through an ASP page? Answer: Yes it is. Use the ‘DateLastModified’

Question: What is the C++ equivalent of the fflush(stdin) statement in C? Answer: Fortunately, although C++ offers many new ways of doing thing, it still includes everything that was in

Question: I’m trying to write an app that handles some complex mathematical functions, but am hitting a wall in regards to the int data type. I need to store and

Question: Is there any way I can use ASP to get the date format on the server? I don’t want to return a date and then print it. I want

Question: Is it possible to create a server-side object so that an ASP page can gain access to Microsoft Office information? I am trying to find a way to edit

Question: How can I display groups of records (for example, the first 10 records), then allow the user to click Next to display the next set of records? I have

Question: I need to put a selected item from a drop-down listbox into a global variable. The listbox is named select1. Here is my code: When I go the next

Question: I have a database hooked up to my Web page. I can do a search and it works fine, but during my search, if I spell a word wrong,

Question: I am trying to access some PDF files in a database. I give the address of the file in the browser as an IP address. I am trying to

Question: I tried loading two frames in the browser called “TOP” and “BOTTOM”. The “BOTTOM” frame loads a JavaScript file (j1.js) and another two frames in it called “LEFT” and

Question: I am using tags as dropdown menus at the top of my pages. But if I have an ActiveX control below my menu then the dropdown menus’ fall drops

Question: Is there any way to retain values in a page (text box, check box, radio, and so on) after going to some other page and coming back? I don’t

Question: I am having a problem accessing the form elements that are inside a DIV tag. It works in Internet Explorer but not in Netscape. The alert comes in both

Question: I need to create a page that will issue a unique authorization number after a customer has filled out a form. I have created a form that writes to

Question: Say I have 10 sockets and I want to have a thread which checks for a message from the sockets using their InputStreams. The thread will wait in the

Question: How can I capture KeyEvents in a Frame that doesn’thave any TextFields or TextAreas? Answer: To enable a particular AWTEvent in a Component it suffices to add alistener for

Question: I have the following: sql=”select * from products” How do I sort or order by two columns retrieved in the “*”? Answer: You need to specify them directly in

Question: How do I tell if the ‘submit’ button on a form has been clicked when I call the ASP page back to process the input? Answer: If you set

Question: I have a string that changes in length and has information separated by commas. For instance, it might contain something like: agfd, addc, aprev, ads, adft I need a

Question: Can I get milliseconds from time in ASP? For example, 12:30:00.234 HH:MM:SS.fff. Answer: No, not without using a custom COM component that will return the milliseconds. But then, by

Question: I created an ActiveX DLL that contains a class used to hold application settings. I registered the DLL (and a subsidiary DLL) on the Web server, but when I

Question: I have the following dump for MySQL and am having a problem getting it corrected for MS SQL. Can you help? Here is the dump file: # MySQL dump

Question: Do you have to individually catch each exception that a method maythrow? Or can you just have one generalized catch?For example, can I do this?: try{ method1 //which throws

Question: Are there any standard classes for performing one-way encryption ofstrings (e.g., passwords) in Java, similar to crypt() on Unix systems? Answer: The Java core APIs do not include an