Enlighter — Syntax Highlighter for WordPress
This post has been in my draft folder for years! I switched to Enlighter — Customizable Syntax Highlighter — and…
Unique vs Distinct
It is imperative to understand the difference between unique values and distinct values when dealing with data in spreadsheets and…
Using Excel’s IFNA() function
You will often come across the scenario where data is filled into an Excel worksheet and an error occurs that…
Using Excel’s ERROR.TYPE()
Excel’s ERROR.TYPE() function returns a number corresponding to a specific error value. In this tutorial: See also: 1. Syntax =ERROR.TYPE(error_val)…
Using Excel’s VALUE() function
Excel's VALUE() function is a simple function that makes numbers that aren't formatted as numbers into numbers. The examples illustrate…
Using Excel’s MOD() function
Excel’s MOD() function is used to determine the remainder of a division operation. For example, if you divide 10 by…
ISBN
An International Standard Book Number (“ISBN”) is a unique number given to every edition of a book. The Cambridge International…
Creating captivating PowerPoint slideshows
Creating effective PowerPoint presentations is a matter of considering the consistent use of different design elements such as spacing, fonts,…
Exploring Diodes
This tutorial explores diodes, small electronic components which allow an electric current to flow in one direction only.
Validate a South African ID number with PHP
This requirement came from a project where South African ID numbers needed to be validated and the available info i.e.…