A site for Linux lovers worldwide. For newbies, system engineers, administrators, and everybody in between. We cover all things Linux, plus various programming languages, including Python, Javascript, and PHP.
View our featured tutorials and projects in the slider below or scroll down to see all recent articles.
This article will show you how to delete a single file or multiple files in PHP using the unlink() function, and provide code examples. Once you have file uploads working in PHP, you may want to allow your users to delete files they no longer wish to keep. Read… Read More »Deleting Files in PHP with unlink() [Examples]
This tutorial will document steps you need to take to add USB storage to your OpenWrt router. These steps are tested on OpenWrt 21.02 in 2022. These steps were tested on a BT HomeHub 5 which was modified to run OpenWrt. These devices come with 128MB… Read More »How to Add Extra External USB Storage to an OpenWrt Device
The Node Version Manager (NVM) is an indispensible tool for JavaScript Developers. Here’s why it’s so useful, and how to use it in Linux. What is Node.js Node.js is a JavaScript runtime which allows you to build and run JavaScript apps outside of the web browser. It’s… Read More »NVM Node Version Manager – Why it’s Great, How to Use it in Linux
This quick tutorial will show you how to reverse a string in JavaScript. Strings are Array-Like Strings in JavaScript are considered array-like. A string is an ordered series of characters, so it can be considered as an array of characters. This makes it easy to convert… Read More »How to Reverse a String in JavaScript in One Line of Code [Example]
This tutorial will show you how to sort arrays in the JavaScript programming language with the array sort() method and provide some code examples. What is an Array in JavaScript? An array is a type of JavaScript variable that can hold a series of variables, references to… Read More »How to Sort Arrays in JavaScript with the sort() Method [Examples]
This article will show you how to generate a range of numbers or letters in JavaScript, and provide some functions you can copy and paste into your own project. The Python, PHP, and many other popular programming languages provide a range() function, for generating a range of… Read More »How to Generate a Range (Numbers/Letters) in JavaScript
This tutorial will show you how to properly copy/clone an array or object in JavaScript – it’s not as simple as it seems! Copying an array or object may seem simple – but JavaScript throws a spanner in the works – the fact that when you… Read More »Copy/Clone an Array or Object in JavaScript The Right Way [Examples]
This article will explain the JavaScript break and continue statements and how they are used to exit and skip iterations in loops. JavaScript Loops In programming, a loop iterates through a series of values, performing an action on each value it encounters. Arrays can be looped through using the forEach method,… Read More »Exiting JavaScript Loops: ‘break’ & ‘continue’ [Examples]
This tutorial will show you how to search arrays in JavaScript using the Array.find() method, and show some code examples. JavaScript Arrays An array is a type of variable that holds an ordered list of values (or references to other variables), called array elements. Each element has… Read More »Searching JavaScript Arrays with the Array.find() Method [Examples]
This tutorial will demonstrate how to write data to a file on the server in the PHP programming language. Code examples are provided to show you how it’s done. Writing data to a file server-side is a common task. Whether you’re writing log files so… Read More »How to Write/Save to a File with PHP [Examples]
