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

One of the best things in Bash is the extensive tools we can use to manipulate strings. you can extract substrings , replace or delete them, and do much more... Read More

Learn how to create HTML files in just a few keyboard strokes using Vim text editor. This article explains how to use Vim to create simple HTML files and define keyboard mappings for quick HTML file editing... Read More

Learn how to extract the first page from a PDF file as a PNG image file using PyMuPDF's fitz module. This article explains the features of the fitz module and provides a Python script for extracting PDF pages as images. A bash script is also provided to demonstrate how to activate a local virtual environment and run the Python script with the necessary dependencies.... Read More

Every php file you create must be included at some point before you use it. but as the website becomes bigger and the number of files increases, it becomes extremely difficult to keep track of the files. if you can't organize your code you might find yourself including the same file multiple times. and the code itself will look ugly and might not be resources friendly... Read More