Unlock the power of advanced regular expressions in sed, grep, and vim with this comprehensive guide. Learn how to use lookahead and lookbehind assertions, backreferences, conditional statements, non-capturing groups, and atomic groups to enhance your text search and manipulation skills.... Read More

Linux is a free, open-source operating system that has become increasingly popular in recent years, both for personal and professional use. It is known for its stability, security, and versatility, and is used by millions of people around the world. This article will provide an overview of the Linux operating system, including the different distributions, desktop environments, package managers, and file managers that are available.... Read More

sed (short for stream editor) is a great tool to quickly and efficently edit text files, this article is a full tutorial of how to use sed from a beginner level to an advanced one, I believe that this article will show you some of the magic of sed command... Read More

This Article is as much about getting the stats of Covid for any country worldwide as it is a tutorial about how to handle and effectually use and manipulate JSON data from the terminal or a shell script using jq the Command Line JSON proccessor ... Read More

We will use the MySQL function TIMESTAMPDIFF, the process is simple enough : we check the difference between the last time a user identified by its IP adress viewed our page and the current time, if the said difference is greater than a defined value, we increment the view.... Read More