The tar command is a powerful tool used to create archives by grouping multiple files into a single file. The name “tar” comes from “tape archive,” as archives were originally stored on tapes. In this guide, we will explore various ways to use the tar command effectively. Creating an Archive To create an archive with the name archive.tar and include file1 and file2, you can use the following command: tar -cf archive....

The xargs command is a powerful tool in Linux that allows you to convert input from standard input into arguments for another command. In simpler terms, it takes the output of one command and uses it as the input for another command. This article will guide you through the usage and syntax of the xargs command. Syntax: To use the xargs command, the syntax is as follows: command1 | xargs command2 This uses a pipe (|) to pass the output of command1 as the argument(s) to command2....

Web development is a constantly evolving field, and it’s crucial for beginner developers to know where to start in order to acquire the skills that are in demand in the job market. In this blog, we will provide a roadmap to guide you on your journey to becoming a web developer in 2022. The Three Paths in Web Development There are three main paths in web development that you can choose from:...

In the realm of JavaScript, I recently stumbled upon something intriguing and potentially beneficial: the comma operator. While I commonly use commas to separate properties within an object or items within an array, I had never paid much attention to its application within expressions. Let’s consider the following example: ('a', 'b') In this scenario, both expressions (in this case, strings) are evaluated, and the result is the last element, which is the expression following the final comma....

Welcome to the Git Cheat Sheet! Here, you will find a list of handy Git commands that are worth knowing but can be hard to remember. Let’s dive right in! Table of Contents Squash a Series of Commits and Rewrite the History Apply Changes from a Separate Branch to the Current Branch Restore the Status of a File to the Last Commit Show a Pretty Commit History Graph Get a Prettier Log Get a Shorter Status Checkout a Pull Request Locally List Commits Involving a Specific File List Commits Involving a Specific File Including the Commit Contents List Repository Contributors by Number of Commits Undo the Last Pushed Commit Create a New Branch with Uncommitted Changes Stop Tracking a File but Keep It in the File System Get the Branch Name Where a Specific Commit Was Made Squash a Series of Commits and Rewrite the History To squash multiple commits into one and rewrite the commit history, use the following command:...

Cross-Site Scripting (XSS) is a type of attack where a website is used as a means to target its users by exploiting insecure handling of user input. In this tutorial, we will explore how XSS attacks work and discuss preventive measures. What is XSS? XSS refers to a security vulnerability that allows attackers to inject malicious JavaScript code into a website, which is then executed by users’ browsers without their knowledge or consent....

Generators in JavaScript are a valuable tool for creating functions that can be paused and resumed, allowing other code to execute in the meantime. By incorporating the keyword “yield,” generators can halt their execution and give control to other code until they are ready to resume. This powerful feature opens up new programming possibilities and can significantly improve code efficiency. To define a generator function, we use the * symbol before the function keyword....

Introduced in ES2015 (aka ES6), Template Literals offer a new and improved way to declare strings in JavaScript. In addition to providing a simple and concise syntax, Template Literals also come with a range of powerful features that make them a popular choice among developers. This guide will cover the following topics: Introduction to Template Literals Multiline strings Interpolation Template tags Introduction to Template Literals Template Literals are a feature introduced in ES2015/ES6 that allow you to work with strings in a more flexible and efficient way compared to traditional single or double quoted strings....

The rmdir command is used to delete folders in a Linux environment. Similar to how you can create a folder using the mkdir command, you can remove a folder using rmdir. Let’s take a closer look at how this command works. To delete a single folder, you can use the following command: mkdir fruits rmdir fruits This will create a folder called “fruits” and then remove it. If you have multiple folders that you want to delete, you can do so in one go....

UNIX systems offer a variety of editors, each with their own set of features and commands. In this blog, we will explore some of the most commonly used UNIX editors and provide a brief overview of their functionalities. While editors like vim and emacs have extensive capabilities and a steep learning curve, we will focus on the basics to help you get started. ed ed is the original UNIX text editor and is considered the most basic editor available....