Tip Bank

DevX - Software Development Resource

The 80-20 Optimization Rule

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

DevX - Software Development Resource

Optimizing Nested Loops

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

DevX - Software Development Resource

Inlining Virtual Member Functions

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

DevX - Software Development Resource

Assign Image and Color Backgrounds in Table Cells

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.

DevX - Software Development Resource

Keep the FrontPage 98 Extensions for VID 6

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

DevX - Software Development Resource

Syntax Question

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

DevX - Software Development Resource

Onmonitor Program and Shared Memory

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?