Regular Expressions Subexpressions
In this article you learned how to use subexpressions to rearrange matches in a regular expression and how to replace the value of a subexpression match in the results. More ...
IPv4 to IPv6 Transition With the Dual-Stack Technique
Transition from IPv4 to IPv6 has been slow. If you can't immediately convert all your network hardware to IPv6, the dual-stack technique allows the easiest operation of IPv4 and IPv6 devices on the same network. More ...
Access Useful Laptop Settings in the Windows Mobility Center
Some useful laptop settings are collected together in a group called the Windows Mobility Center. Near the top of the secret menu, select Mobility Center. Here you'll find controls for setting the screen brightness, sound volume, screen orientation, and such. More ...
Introduction to HTML
A Web server sends the response to the client browser with a set of instructions written in HTML (HyperText Markup Language). HTML consists of tags that define the structure of a web page. It is the standard markup language for documents to be displayed in a web browser. More ...
PowerShell Script to Show Last 5 Errors in Event Log
The Windows System eventlog is one of the most powerful components of the operating system because it keeps a log of everything that happens. Here I provide a powershell script to display the last 5 error entries in the log. More ...
Capacitors
A capacitor is an electronic component that can store electric charge. A capacitor is constructed with two conductive plates separated by an insulator called a dielectric. 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 ...
Inkscape Preferences
Inkscape is a highly configurable application. Many of these configuration options can be set through the Preferences dialog box. There is probably a hundred things you can configure through the Preferences dialog box. Here I'll describe a couple of the most important ones. 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 ...
JavaScript to Copy and Paste Text to the Clipboard
In some applications, rather than the user's selection, you may want to copy the contents of a specific html element to the clip board. Or when the user initiates a Paste, you may want to direct the contents of the user's clipboard to a specific html element on the webpage. Here is the code for this. 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 ...
The Difference Between EoP and PoE
Ethernet over Power (EoP) is a technology for sending network data over power lines. Power over Ethernet (PoE) is a technology for sending power over Ethernet network cables. More ...
Inkscape Shadows and Highlights
Adding shadows and highlights to your drawings can create a touch of realism. In this article you learn how to add shadows and highlights to your Inkscape drawings. More ...
A Handful of Useful Run Commands: calc, notepad, wordpad, voice recorder, control
The Run dialog box which can be opened by pressing the [Windows] + [R] keys. Run dialog box is a rapid way to open programs. Here are some quick and useful Run commands. 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 ...
The Evolution of Hard Disk Bit Recording
Hard drive technology has continuously improved over the decades, that includes higher storage capacity performance. Part of this improvement has been higher access speeds, but most of the higher storage capacity has been the result of changes in the bit recording methods. More ...

