Data types larger than the size of a byte aren’t portable because of the different endian-ordering of each hardware architecture. This means that passing an int in its binary form

It’s a fact that applications spend 80 percent of their time executing 20 percent of their code. Some even claim that the ratio is higher: 90-10. Usually, programmers can’t assess

Sometimes, legacy code that contains Plain Old Data (POD) types (i.e., dumb structs that don’t have any member functions) can use an object-oriented “face lift”, e.g., adding a constructor or

Several compilers need this hint from the programmer while others are clever enough to figure it out automatically. When you have nested loops, declare the counter of the most deeply-nested

Generally, compilers can’t inline a virtual function call if the it’s resolved dynamically. Therefore, declaring a virtual member function inline might seem pointless. However, not every call of a virtual

Browsers Targeted: Internet Explorer 4+ In Internet Explorer, you can assign images and colors into table cells and table rows through the background-image and background-color CSS attribute within style sheets.

Since the arrival of FrontPage 2000 users of Visual InterDev 6 have been complaining about connection problems. The trouble isn’t actually with the FP 2000 extensions. It is the failure

Question: How easy/hard is it to hack into a database? How do they hack into them, and where can I get some basic information on database privacy and security? Answer:

Question: Why would a call to a virtual function execute slower than a call to a non-virtual function? Answer: Because the call is resolved through an additional level of indirection?instead

Question: I’m surprised the following code doesn’t compile: class C1{public: virtual void f() { /* … */ } void f(bool) { /* … */ }};class C2 : public C1{public: void

Question: I have a function halfway through a program, which should allow the user to quit the program, at the moment it just carries on to the next function call.

Question: How do I set up my Outlook 2000 client to autopopulate the user name and domain name in the Enter Password dialog box during startup? Answer: The best way

Question: When I start the Onmonitor program and run Status, I receive the message, “Unable to attach to shared memory.” But I have Informix 7.23 for AIX! What’s going on?

Question: I am trying to create a client e-mail listing to go out to all our company clients. What would be the easiest way to do this? Answer: The easiest

Question: I have seen a few tips regarding opening a Web browser using the Run command or using the ShellExecuteA external command. If I want to open multiple pages one

Question: How do you get C++ to run an outside program? How do you type this in the source code? Answer: You can invoke another executable from your programming by

Question: When using PowerBuilder as a front end for doing SQL queries, I get the following pop-up message when I look for someone with a single quote in their name

Question: I am currently writing a generic system where user object names are stored in a database and instantiated upon request. This is currently working beautifully, but I fall short

Question: What is the standard rule on access specifiers associated with superclasses? Old C++ compilers would not allow protected superclasses. But, the book I’ve read about OOAD allows it. Example:

Question: Is there a compatibility problem between users with Exchange 4.0 as their home server and users with Exchange 5.5 as their home server? As a user who has Exchange

Question: What does “Today – @sub” equate to in Oracle and what does it mean? Answer: It doesn’t look like anything in Informix, and I couldn’t find any reference on

‘ Convert a number into its textual equivalent.’ ‘ Pass True in the second argument if you want a null string when ‘ zero is passed.’ This is a recursive

‘ The Soundex code of an alphabetical string” you can use Soundex code for phonetic searches’ Beware: this isn’t bullet-proof!” UPDATE: this version corrects a bug in the original routine’

‘ Strip all extended ASCII characters’ (that is, all characters whose ASCII code is > 127)’Function StripExtendedASCII(source As String) As String Dim index As Long Dim bytes() As Byte ‘