What Do Those 404 and Other HTTP Return Codes Mean?

You try to access a web page but all you get is a mysterious code number. What do they mean? This page attempts to address that topic. Governing … [Read more...]

What is a Country Code and Top Level Domain?

The last characters on a domain name are usually either a country code (e.g., .ac, .br, etc.) or a top level domain (e.g., .com, .org, etc.). This … [Read more...]

What are Emoticons?

Emoticons are ASCII glyphs originally designed to show an emotional state in plain text messages. Over time they have turned into an art form as well. … [Read more...]

What Are Electronic Communication Acronyms?

To simplify text communications a number of acronyms have been developed. This page expands a collection of some you may encounter. Please note that … [Read more...]

What Was That Error?

You're happily working along with your computer and suddenly the screen flashes, the computer or application stops, an error message flashes on the … [Read more...]


HIBERFIL.SYS AND PAGEFILE.SYS are system-generated files. They are used by Windows for hibernation and virtual memory … [Read more...]

What is a File Named Tilde (~) on the Desktop?

A file named with the single tilde character (~) appears on your desktop. What is it and why is it there? This file started appearing on people's … [Read more...]

What are the Official HTML Color Names and Hex Codes?

HTML colors can be specified in a number of different ways. The most common is to use hexidecimal notation but the HTML specification allows the use … [Read more...]

What are Cookies?

Some people are concerned that web servers have the power to write to their local hard disk without their knowing about it. The information written is … [Read more...]

What is a Scan Code?

In the keyboard are little switches. When you press a key one of the switches is activated and when you release that key the switch is activated … [Read more...]