Java WalletThe Java Wallet is a family of Java products designed to enablesecure electronic commerce operations. It incorporates the Java CommerceClient, Commerce JavaBeans components, the Gateway Security Model, and JavaCommerce

Question: Can you tell me which of these implementations is more efficient and why, assumming this function cannot be inlined and is called often? First option: int even( int &val){if

Question: How can I read only from one side of the decimal in VB6? I need to get .4286 from a value of 22.4286. I also need to know how

Question: In a VB application, I have multiple forms with data controls on each form which connect to a password protected Access database. Every form pops up a message stating

Question: I have been trying to change settings for the IIS server in order that I can set the flag to allow an out-of-process Active X EXE Server to be

Question: I’m porting a UNIX app to NT; one of the class hierarchies includes something like this: template class base{ // stuff};template class derived : public base, public base{ //

Question: When creating an input dialog box with JOptionPane.showInputDialog, isit possible to have a masking character, such as the * for password input? Answer: As implemented in the Sun JDK,

Question: What function do I use if I want to search a particular data store for the first letter of certain items? For instance, I have this list: olulekamtibookwi If

Question: How can I insert an item into different columns? Answer: To insert data into multiple columns, you use the same command as for single columns, except that in your

The usual way to append text to a TextBox or a RichTextBox control is to concatenate the current contents with the new string: Text1.Text = Text1.Text & newString Here is

To programmatically open and close the list portion of a ComboBox control, all you need is sending the CB_SHOWDROPDOWN message to the control. Here is a routine that encapsulate the

You can load several instances of the same form, but VB doesn’t let you determine how many forms of a given class are currently loaded. You can work around this

Not all developers know that Timer controls in compiled VB5 and VB6 applications aren’t stopped by MsgBox statement, so the Timer’s Timer event procedure is regularly executed even when the

Question: I’ve just started using DHTML in Visual Basic 6.0 and have encountered a few glitches. When using ActiveX DHTML, where does the compiled DLL file have to be stored

Question: I’ve been using the Microsoft ActiveX image control to place my images in absolute positions on my Web page. However, I have run into problems with this image component

Question: What is the advantage of XML over say, a comma delimited file? If you’re using it for data transfers between platforms, I would think that always having to explicitly

One of the impressive features of Active Server Pages is the ability to deliver fresh, active content in direct response to user input. In addition to creating responsive text, you

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Microsoft’s Visual InterDev 6 is an excellent environment for developing Web applications. The use of Design-Time controls (DTCs) to create script objects has revolutionized HTML coding. However, even server-side DTC-generated

It is good practice to explicitly declare the variables in separate lines. For example, declaring all the variables in one line like, Dim a, aa, aaa As String, will declare

Trying to deliver fresh, active content through Active Server Pages can be a real challenge. Browsers and some proxy server insist on caching older versions of your pages. You made

Although it is usually more efficient to use a Dynamic Link Library (DLL) that meshes well with the Internet Information Server (IIS) and Active Server Pages (ASP) environment, you may

Resource files are a great way to store text strings and images, but beware: Use of a resource file can override the property setting for your application’s icon. When Windows

If you’ve ever wanted to align text on a command button and found you can do it only by using spaces in the caption, there are a couple of constants

Use this API function wrapper to retrieve localization and personalization information: Private Declare Function GetLocaleInfo Lib _ “kernel32” Alias “GetLocaleInfoA” (ByVal _ Locale As Long, ByVal LCType As Long, ByVal

One of the most frequently asked questions I receive is: “How can I learn C++?”. First, remember is that C is not a pre-requisite for learning C++. In fact, as

“Magic numbers” are arbitrary constant values that indicate array bounds, maximal number of open files, the size of a memory page, and similar environment and program-specific units. Instead of using

You can directly pass arguments to a program. For this purpose, you have to declare these arguments in the parameter list of main(): int main (int argc, char ** argv){}

C++ provides default access specifiers when you don’t use spell them out explicitly, as in the following examples: struct Employee{ /*..*/};class Manager : Employee //implicit public inheritance{ int rank; //implicitly

The built-in + operator is a binary operator that takes two arguments of the same type and returns the sum of its arguments without changing their values. In addition, +