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The Latest

Determine Server With ServerVariables

Question: We have users coming into our homepage from two different servers. I would like to differentiate what gets shown (text, links, and so forth) based on the server that

Using Integral Types With Explicit Sizes

The actual size of the built-in integral types are machine dependent (see also the Tip Standards Provide Guarantees Regarding the Sizes of Integral Types): //built-in integral types with machine-dependent sizeschar

Consistent Project Descriptions

Always set the Description property of your ActiveX projects (found in Properties) to be prefixed with your company name or initials. That way, all your internal objects and components will

Clean Up Your Objects—In the Right Order

Although Microsoft Internet Information Server (IIS) eventually removes your unused database objects (called garbage collection), poor coding can squander the server’s resources. If your Web server drags or even fails

ASP & MS Excel

Question: I can start excel on my server from an ASP script and then create and save a document. When I’m done, Excel doesn’t shutdown. I’ve tried various commands to

Creating a CWnd Class for Printing, Not Viewing

Question: After significant development time, a wonderful class derived from CWnd was created by our team to pull together text, graphics, etc. in a Paintbrush type of application. Now, we’d

VB DHTML Input Field Handling

Question: I have a DHTML form that is dynamically generated based on a user’s selection from a list box. It generates a table line for product information which includes text

Handling Session Timeouts

Question: When a user accesses an application on my site, a sessionID is generated. After the application is accessed the user leaves the machine alone until the session times out.

Resize the Browser On-the-Fly

If your Web page is formatted to look best in a certain size of window, you can try resizing the visitor’s browser using the resizeTo() method. Do this when the

Copying char array to integer

Question: I have a char array, for example: char orig_amt [20]. I need to convert this to an int orig_amt so I can do some calculation. Is there a command

WHERE Clause and Query Performance

Question: As a rule of thumb, a query that does a join will run faster if the table with the least number of rows is referenced first in the FROM-clause

Deleting Listbox Items

Question: How can I delete more than 1 Item from the listbox at once? Answer: I don’t believe the Windows list box allows you to delete more than one item

Software Engineering (C++ a bad choice?)

Question: I am working on an assignment that asks us to determine why using C++ is a bad choice, from a software engineering perspective.So far, I have found that C++

Attach Table

Question: I have 2 databases in SQL7. I need to attach one table, TB1, from DB1 to DB2, to run a join query. My query uses TB1 from DB1 and

Command Line Arguments

Question: I have a small console program that requires I pass arguments for it to run specific functions. I want to change the code so it automatically runs a set

File I/O

Question: How do I read in both a character string and int value from a file? The data I am trying to read looks like this: Name1 10 10 10Name2

Application Termination

Question: I have a message box that comes up to warn the user that they are terminating the application as it normally should be left running. I want to know

Unsolvable Error

Question: Visual 6.0 displays an error that says it can’t find one of my libraries, but it is right there in the same folder. Answer: Assuming the libraries are there,

Memory Protection

Question: I’m writing a program in Windows 95.I try to READ memory address FFFF:0005 that contain BIOS date, by using peekb(int, int) function, but Windows displays a close message. How

Class Members and Their Values

Question: I want to get the member names of a class and their values by names. Is this possible with C++ alone or do I need a tool for this?

Recovering a Corrupt pbl

Question: I have a pbl which gives gpf’s when I try to open it in PB v6.5. I am able to see some syntax when I view the pbl in

Hiding Taskbar

Question: I was wondering how to hide the taskbar in NT/95? Answer: To hide the task bar you will need to declare two API calls. These two API calls will

Passing Arguments to ASP pages

Question: I know that when using products like Cold Fusion, you can pass parameters to the page that does the work. Example: [*.cfm]. I have been trying to do this

Modifying Generated SyntaxFromSQL Datawindows

Question: When creating a Datawindow from SyntaxFromSQL function with a group break, the Trailer Group Totals and the Summary Totals get generated with a Format of #,##0.00. I would like

Add Accelerator Keys to Your Internet Explorer Pages

Many computer users, especially power users, prefer keyboard commands instead of the mouse. Accelerator keys are common in compiled applications such as Visual Basic programs, but rare on Web pages.