Easy JavaScript FileReader Code
The JavaScript FileReader object allows web pages to read files stored on the user's computer. Files may be selected using the input element, or selected with a drag and drop operation. More ...
What is an Ethernet Crossover Cable?
When connecting two computers together without a switch or router in between you need a special cable, called a crossover cable, that has the transmit wire pair swapped with the receive wire pair. More ...
Introduction to Operating Systems
An operating system is software that acts as an intermediary between a computer user and the computer's applications and hardware. An operating system can be viewed as a resource allocator. Resources might be CPU time, memory space, file storage space, and input/output (I/O) devices. More ...
A JavaScript Function That Returns a Function
Its a fad now in JavaScript to code functions that return functions in order to avoid declaring global variables but the procedure is inefficient and unnecessary. More ...
Use PowerShell and WMI to Get CPU Information
Suppose you want to get some information about the CPU in your computer. Can you remember which Control Panel utility will provide that information? If you use a PowerShell script to access WMI you can always get the information you want no mater how they rearrange Control Panel. More ...
HTML5 Header Element
The header element is one of HTML5's semantic elements. It provides a container for header information. A header element may contain ,logo author, navigation, search, version, copyright, and other such information. More ...
Inkscape Exercise: Draw Photorealistic Sphere
Although Inkscape is a 2D drawing application, it is quite capable of drawing photorealistic 3D images. To demonstrate this capability, in this article I show you, step-by-step how to draw a photorealistic sphere. More ...
Area of an Ellipse Calculator
It's easy to calculate the area of an ellipse because it's similar to calculating the area of a circle ecept instead of Pi times the radius squared, its Pi times the long axis times the short axis. More ...
How SSL (Secure Sockets Layer) Works
SSL is a security protocol standard that encrypts communication between a web browser and a web server. Any organization that uses their website to transmit, receive, store, or display confidential or sensitive information such as passwords, credit card or bank account numbers, social security numbers, and so on, needs to use an SSL Connection. More ...
Gift Giving in the Workplace
One thing that can add to the stress of the holiday season is workplace gift giving. giving a gift to a supervisor or manager sets up a conflict of interest and an ethics problem. In my opinion, holiday gifts should be given only to children. More ...
Learn Assembly Language Programming on Raspberry Pi 400
One of the easiest ways to learn assembly language programming is on the Raspberry Pi 400. The Raspberry Pi 400 is a complete personal computer built into a compact keyboard. More ...
Understanding Modern PC Specifications
There is a huge variety of different PCs available out there. Its no wonder that consumers are confused about what to buy. This article explains modern PC specifications. More ...
Windows 10 Shortcut to Turn Laptop Camera On or Off
To prevent hackers from sneaking a look at you, turn your laptop camera off. This article shows you how to place a shortcut on your desktop that you can use to quickly turn your laptop camera on or off. More ...
Regular Expressions Lookarounds
In this article you learn how to match a pattern only when it comes after another pattern (or after not that pattern) or only when it comes before another pattern (or before not that pattern). More ...
Regular Expressions Boundaries
In this article you learn how to controls where a regular expression matches a string, on a word or non-word boundary, at the beginning or end of a string. You also learned about multiline mode. More ...
Export Inkscape Drawing as an Image
Although Inkscape images can be embedded in webpages, for most other applications you'll need a raster image format. Inkscape can export your drawing in the .png raster image format. More ...
