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 ...
Regular Expression: Alternation
In this article you learn how to create an alternation regular expression that will match alternate patterns in a string. More ...
SVG Basic Shapes Tutorials
This is an introduction to SVG (Scalable Vector Graphics) and tutorials with examples on how to use simple code to draw basic shapes. 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 ...
Area of a Quadrilateral Calculator
If you have a regular quadrilateral there are simple formulas to calculate the area. But if you have an irregular quadrilateral you can calculate its area by viewing it as two triangles bucked up against one another. Find the area of each triangle, and then add them together. More ...
Speed Up Windows 10 by Disabling Trivial Visual Effects
Does your Windows 10 PC perform annoyingly slow? You may be able to get a significant performance boost by disabling unnecessary visual effects. Here's how. More ...
How to Check Your PCs TPM
One of the requirements for Windows 11 is TPM version 2.0. If you have Windows 10 and you have TPM version 2.0 module, and it's enabled, then you can install and run Windows 11. More ...
How to Draw an Airplane
Drawing an airplane is much easier if you first construct two-point perspective guidelines. This article shows you how to draw an airplane in ten easy steps. More ...
Self-Esteem and Success
A person with high self-esteem believes that they are a worthwhile and important person. A person with low self-esteem believes that others are better than them, and that they deserve to treated badly by others. 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 ...
IPv6 Address Compressor Expander
Enter the IPv6 address in the top text box. Click on the appropriate button: Omit Leading Zeros, Consolidate Zeros Segments, Expand Zeros Segments, Replace Leading Zeros. The formatted address will appear in the bottom text box. More ...
Network on a Chip (NoC)
NoC (Network on a Chip) is a method of placing a much larger number of processors on a multi-core chip. Much like a regular network, NoC has multiple point-to-point data links that are interconnected by routing switches. More ...
Create a Cool Picture Frame Effect with CSS
By setting the CSS border-color property to a transparent color, and setting the background-origin property to border-box you can create a cool picture frame effect. 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 ...
Fundamental Digital Logic Gates
All the advanced features of the most powerful computers, such as mulicore and parallel processing are done with digital logic. In this article I explain the fundamental concept of digital logic in simple and clear language so that anyone can understand it. More ...
Introduction to Windows PowerShell
PowerShell is a more powerful replacement for the command shell. this article explains how to run PowerShell and how to create and run PowerShell scripts. More ...
