Question: Quite a few users keep getting a message saying their e-mail did not reach the intendedrecipients, and also that there was a communication error and the sender has beenrejected.

Question: How can I add hundreds of users to the NT server by an automated procedure? Answer: In the NT Resource Kit (either NT 4.0 or W2K version), look at

Buffer overflows are a fertile source of bugs and malicious attacks. They occur when a program attempts to write data past the end of a buffer. Consider this example: #include

A library is essentially a file that contains compiled object modules (a module is the object file produced from compiling a single source file). A program can call, or import,

A static member function doesn’t take an implicit this argument, as do ordinary class member functions. Therefore, it can’t access any other members of its class unless they are also

Certain applications need to invoke startup functions that run before the application starts. For example, polling, billing, and logger functions must be invoked before the actual program begins. The easiest

A character enclosed in a pair of single quotes is a constant expression that is evaluated to the numeric code of that character in the character set that the implementation

Question: Once I create a .chm help file with HTML Help Workshop, how do I call this help file from my .exe application? Answer: There is a simple answer and

Question: I’m developing a VB client application (using VB5) with an Informix database in the backend. However, the report generation that Crystal Report incorporates has always been very slow. What

Question: How do I search a text datatype column in an Informix database? Answer: Try using one of the text search datablades, if you are running an engine that supports

Question: When I try to connect to an Informix database (via ASP) located on another machine on our LAN, I get the following error: Microsoft OLE DB Provider for ODBC

Question: I have an Informix 7.32 server on a Sun box and I need to connect to it from another Sun box. How do I ensure it’s connected? Answer: Run

Question: I am trying to connect to an Informix database via ODBC from Microsoft Access 2000. When I import a table from the Informix database, I see all the data.

You can use Throwable class in catch block to catchall kinds of exceptions. This class is the base classof all errors and exceptions in the Java language. You can use

An interesting situation with method call overhead arises when you use inner classes. The inner class specification says that a private method of a class A can be used by

Question: How can I pull just the first match to a query? We have a database of jobs in process: jobno 12345op# 10 shear %complete 100op# 20 punch % complete

Question: How do I get both output parameters and output recordsets from the SQL7 stored procedures I call from ASP via the ADO command object? Answer: It is possible to

Question: When I redirect a request from a Servlet to a JSP, the browsercaches the JSP and won’t display an updated page without reloading.How do I prevent the page from

Question: Why when I try to run sqlexecd to set up ODBC do I get an error: -25553 unable to load locale categories. Answer: Check your environmental variables. If you

Question: How do I get the total number of seconds between two dates? Answer: You can use the DATEDIFF function to calculate the difference between two dates. The value can

Question: How do I programmatically change the database property of Forms so that I can put my data files anywhere? Answer: You can set the database properties of cursors in

Question: Is SimpleDateFormat threadsafe? I am trying totrack down a bug where a date formatted “yyyy-MM-dd” actually came outas 2000-06-0001. I have four threads accessing the format method ofmy date

Question: Can I move 600+ users from a standalone server to a PDC with all rights and information intact, without having to recreate the users on the PDC? Answer: Well,

Question: Is there anything similar to the “Microsoft grid control” in Visual Basic that just displays a grid and does not bind data from a table? Answer: You could use

Question: With an application compiled into an EXE, why when I select 1 topic, enter into it, and exit do I get booted out of FoxPro to the main Windows

Question: Is it possible to return an Enumeration of an array? Answer: There is no standard class for creating an Enumeration of an array.More often than not, when you use

Sometimes in a multi-tier system, designers tend to follow rigid object-oriented design rules to perform heavy data-centric manipulations in the middle tier. Remember, a thin line separates the operations that

The standard PictureBox control doesn’t support the Animated GIF graphic format. However, you can display these images by using a WebBrowser control: WebBrowser1.Navigate “c:ImagesAnimated.Gif” The only problem of this technique

Question: I have the following code in an XML file: Fredonia AFB Russia Luka Russia 140N4506 64E3507 Sevastopl Bosie 140N4506 64E3507 Ukraine How can I set up an XSL sheet