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Exchange Client Setup for Sensitive E-mails

Question: Can you explain if the Exchange client can be set up as follows: User A has shared the Inbox for Secretary A. User A receives a message from another

18 Common Programming Traps in MTS

icrosoft Transaction Server (MTS) is certainly not new, but there are still a lot of common design and programming errors being made. In this article I will show you 18

Linker Optimizations

While most of the code optimizations are performed at compile time, there are optimizations that only a linker can perform. For example, it can detect unreferenced function calls. These are

Deleting a const Object

In earlier stages of C++, it was impossible to delete a const object, even if that object was constructed on the free store. This could cause memory leaks. However, the

Initializing a Bit Struct

To initialize a struct that contains bit fields, simply use the ={0}partial initialization list: int main(){ struct MP3_HEADER { unsigned Sync:11; unsigned Version:2; unsigned Layer:2; unsigned Protection:1; unsigned Bitrate:4; unsigned

Switch Statement

Question: Does Java have a switch statement that can use doubles and floats? Answer: The Java switch statement only supports values of type char, byte,short, or int. To conditionally execute

Efficiency of STL or Quality of Implementation?

I often hear people ask whether it’s possible to write code that is quicker than STL. This is a paradoxical question: the C++ Standard defines minimum performance requirements with which

Finding the Calling Procedure

Question: Often I place a Break Point in a Function or Procedure for Debugging purposes.How I can find the immediate calling procedure?Or, better how I can find all the previous

Access 97 vs. 2000 Databases

Question: I have a program in VB6 using an Access 97 database. The code I use for all my procedures is as follows: Dim db as DatabaseSet db = DBEngine.Workspaces(0).OpenDatabase(“biblio.mdb”,

Differences Between C++ and Java

Question: In C++, when a programmer intends to write: if (value == 1) { But, they often make the following mistake: if (value = 1) {…… Why doesn’t this problem

DSN-Less with ADO

Question: When I try to implement the code that is in MSDN, I receive Run-time error ‘446’ Object doesn’t support named arguments. Dim cn As New ADODB.ConnectionDim rs As New

Passing Command-Line Parameters

Question: I need to know how to pass a parameter from HTML to Standard EXE, and how to get these parameters in VB after you’ve passed them? Answer: Visual Basic

App Not Running on Other Machines

Question: After compiling my VB app, and installing it on my machine, it will run. But, when I install it on my professor’s machine at school, it doesn’t work at

Replace Function

Question: I just started with VB6 programming and I need to write a short program doing the following: 1. Enter a sentence.2. From this sentence which was entered, pick any

VB Class Module

Question: I have noticed that a termination event won’t be fired unless the class variable is out of scope, or I specifically set the class variable to Nothing (in earlier

Cube Root Function

Question: Would you please tell me the code in Visual Basic for a cube root function on a basic calculator. Answer: It’s very simple, you just have to raise a

ADO Provider Problem

Question: I created a program to help our sales department to keep track of their sale quotes. It uses a MDB database and I used the ADO components to gather

ADO & SQLServer Provider

Question: When opening an ADO connection, how do I specify that it use the SQL Server OLEDB provider with a DSN? Answer: Here’s the connection string you should use. Be

Random Pictures

Question: How would I get a different picture to pop up every 3 seconds in a different position? Answer: It’s pretty simple, actually: Make a form with an image/picturebox control

Image Storage in Access 97

Question: I have an Access 97 database with an OLE Type field containing bitmaps loaded with the LoadPicture() function. This works fine and the images turn up as “Bitmap Image”

Changing Label Caption of a Textbox

Question: I am an extreme newbie with VB. How do I change the caption of a label to the value of a textbox? Answer: Substitute the name of the Label

Accessing Online Databases

Question: I have been using Visual Basic to manipulate databases for some time now and I consider myself skilled at it. The next challenge presented is to establish a connection