What is a Regular Expression?
A Regular Expression (regex) is a sequence of characters that define a pattern that allows you to search, match, locate, replace, manipulate, and manage text. Regular expressions are very powerful, but also difficult to understand and complicated to use. More ...
The Power of a Positive Attitude
One of the most important personality traits required for the achievement of a successful life is a positive attitude. What I mean when I say positive attitude might be more accurately described as a realistic attitude. More ...
Regular Expression Basics : Match a Set of Characters
A Regular Expression (regex) is a sequence of characters that define a pattern that allows you to search, match, locate, replace, manipulate, and manage text. In this article you'll learn how to use regular expressions to match a set of of characters. 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 ...
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 ...
Fundamentals of Windows Security
Today, criminals are more sophisticated, and groups have formed with significant financial backing to support the wrong doings of these groups. This book is for system administrators, cybersecurity and technology professionals, solutions architects, or anyone interested in learning how to secure their Windows-based systems. 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 ...
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 ...
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 ...
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 ...
Inkscape Basic Fill
In Inkscape you can fill a shape with just about any color, texture, or pattern that you desire. In this article we discuss how to fill a shape with a basic color. More ...
Basic Inkscape Text
This article just touches on the basics of using text in Inkscape. Through the use of gradients, filters, and textured fills, what you can do with text in Inkscape is just about unlimited. 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 ...
Regular Expression Position Matching
In this article you how to use regular expressions to match characters at the beginning, end, both beginning and end, or at any specified location in a string. 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 ...
Windows 10 Disable Aero Snap and Shake
With Aero Snap and Shake Windows does what it wants to do, not what you want it to do. More ...
