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Question: I have recently written a small dialog based MFC app to carry out a few performance calculations for our product. I have managed to get o/p to the printer
Question: enum Foo { first = 10, second = 20 };Foo foo; What does the standard say about the default value of foo, is it the value of the first
Question: To use or , I need to use “using namespace std;”. What is the meaning of it? When I have multiple .h and .cpp files, where should I put
This control reproduces and extends the color picker provided by Office 2000. It has a drop down palette that shows any color combination you want and (optionally) a custom button
INTRODUCTION In my latest article here at VB2TheMax, I showed my code structure for COM+ components (Example of code structure for COM+ component) in preparation for a couple of debug
The Scripting.Dictionary object is marked as having a “Both” threading model, which means that you can freely assign it to a Session or an Application variable. However, the actual threading
Unlike Session variables, there is only one instance of each Application variable. This means that storing data in an Application variable – including memory-consuming data such as long strings or
All include files appear to the ASP processor as belonging to the main ASP file, therefore they are read in memory and parsed as if they were physically pasted into
Here’s a collection of quick-and-dirty tips for improve the performance and the robustness of your ASP applications:Use the Option Explicit directive to ensure that all variables are correctly declared and
You should never use more than one script language on the same ASP page, for example by mixing pieces of VBScript with portions of JavaScript. The reason is that there
The Server.MapPath method can be used to retrieve several interesting properties about the running ASP application, for example: ‘ the current directorycurrDir = Server.MapPath(“.”)’ the parent directoryparentDir = Server.MapPath(“..”)’ the
In order to redirect a web page after you have written to it, you must use a Response.Buffer = true at the top of the page.You may redirect the page
EJB specification does not prohibit
Excel offers the functions, but who wants to add the Excel object model to their project? One simple way is to use the OCT command and a little conversion to
This will unload all forms in memory before the calling form is unloaded. Not only does this unload each form, it also fires each form’s unload event, allowing for a
When the object exposes the custom interfaces via standard marshalling, the proxystub DLL is required for marshalling data across the threadprocessescomputer boundaries.The interfaces are specified in an IDL file that
If you want to convert the input string into a proper string usingjavascript, this is a simple function that will perform the task: String.prototype.ProperCase = function() { return this.substr(0,1) .toUpperCase()
Any production application should include event logging for troubleshooting and auditing purposes. This code can be placed in any module and called whenever you have an error or event that
Question: I would like it that every time I insert a row in table A, another row of the same table must be updated according to the values of the
Question: I’m trying to get the PDC name for a domain on my network using the following code. It works fine within the VB IDE, but the moment I compile
Question: I am using “NetUserGetInfo” API call to get the NT user profile. I use: typedef struct _USER_INFO_3 How can I parse the “usri3_flags” member in detail? Answer: Use this:
Question: What is the maximum number of columns allowed in an Informix table? Answer: For Informix 7.3X, the maximum number of columns in a table is 2,767.
Question: Is it possible to migrate from Informix SQL to Informix for Windows NT? Answer: Yes. Informix for Windows NT is now on version 7.31. This has the exact same
Question: How do I change the environment inside a program (filename.4gl)? Example: setenv TBCONFIG $tbconfig.01 Answer: I don’t think you can do it. If you’re running a 4gl program, you
Question: I want to purchase some software that will translate Informix 4GL to any of the following: Java, C, C++, or Perl. We have two applications that we need to
Question: void foo(const int x) { // not altering x} Herb Sutter in Exceptional C++, pg.177 says, “const pass-by-value is unuseful and misleading at best.” I disagree, at a glance
Question: Can 16-bit software run in Windows 2000 platform? Answer: The answer is yes and no. Many 16-bit software programs run just fine in W2K, as they did in NT
Question: Why will this code not work with IE 5.5? Answer: It’s not a question in this case of JavaScript not working with IE 5.5, but of Java not working
Question: How do I make a method deprecated? Answer: Deprecating a method or entire class is as simple as using the “@deprecated javadoc” tag in its documentation. For example: /**











