Author: Rahul

Removing the first character from a string is a common operation in JavaScript programming. Whether you’re working with user input or manipulating data from an API, there may be times when you need to remove the first character from a string. Fortunately, there are several ways to do this in JavaScript. Method 1: Using the substring() Method The substring() method returns a substring of a string based on the index numbers provided as arguments. To remove the first character from a string using the substring() method, you can pass the value 1 as the starting index. Here’s an example:

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Python is an object-oriented, high-level programming language. The Python 3.9 stable version has been released with several improvements and security updates. Which included multiple new modules and improved existing modules and new features. As of today, Python 3.9 is the latest stable version available for productions environments. Most of the Debian-based Linux distribution includes older versions of Python in software repositories. Also, the Debian packages are not available for all distributions. In this tutorial, you will learn to compile Python 3.9 from source code and install it on Debian-based systems. This tutorial will help you to how to install Python…

Similar to other programming language bash also supports increment and decrement operators. The increment operator ++ increases the value of a variable by one. Similarly, the decrement operator — decreases the value of a variable by one. Pre and Post Increment: When using ++ operator as prefix like: ++var. Then first the value of variable is incremented by 1 then, it returns the value. When using the ++ operator as postfix like: var++. Then first original value will returned and after that the value incremented by 1. Pre and Post Decrement: When using — operator as prefix like: –var. Then…

The signal is a popular messaging application as an alternative to WhatsApp. It is available as a Desktop application for Windows, Linux, and macOS systems. In order to your Signal desktop application, You must have signup for the Signal application with your mobile number. To create a new account, install the Signal application on your Android or iOS device and create a new account. This tutorial helps you to how to install a Signal desktop on Ubuntu 20.04 LTS Linux system. Prerequisites You must have Ubuntu Desktop system access with sudo privileged account. Install Signal Desktop on Ubuntu Signal application…

Vim (Vi Improved) is a highly configurable command line text editor for Unix like systems. It is originally cloned with VI POSIX standard editor with additions. Vim comes standard with most modern Linux distributions, but some of the minimal installation doesn’t include vim editor default. This tutorial will help you to install Vim text editor on your Linux system. Here are a some of the extended vim features: Supports multi-level undo tree Vim provides extensive plugin system Provide support for hundreds of programming languages and file formats Powerful search and replace options Provides integration with multiple tools How To Install…

The head command is a command-line utility in most Linux distributions that is used to print data from the beginning of one or more files. It is also used to output piped data to CLI. We can use different options to print any number of lines or bytes of data to the standard output but by default the head command prints the first 10 lines of the file. In this comprehensive guide, we will learn to use the head command in Linux. Moreover, we will also get familiar with the options for the head command that is available on Linux.…

Mattermost Desktop is the client application for the Desktop systems to user their mattermost account. You must have Mattermost server installed in your self-managed instance or signup for the Mattermost cloud. For this tutorial, I have created an account on Mattermost cloud free version. You can go with professional or enterprise edition as per your requirements. This tutorial describe you to how to install Mattermost desktop client on Ubuntu 20.04 LTS Linux system. Prerequisites You must have Desktop install on your Ubuntu system. Login as sudo privileged account on your Ubuntu 20.04 system. Open terminal and update current system packages…

Google Cloud SDK (Software Development Kit) provides a set of tools that are used to manage resources hosted on Google Cloud Platform (GCP). The SDK provides gcloud, gsutil, nd bq commands with the ability to access the Google Cloud via the terminal. The Cloud SDK team provides official PPA for the Debian packages to install on Ubuntu systems. Also the Cloud SDK is available in form of Snap package, which allow you to quickly install Google Cloud SDK on Ubuntu system. This tutorial describe you to how to install Google Cloud SDK on Ubuntu 20.04 LTS Linux system. Prerequisites Login…

Tor Browser is a privacy-focused web browser designed to protect users’ anonymity while browsing the internet. It uses the Tor network, which routes your internet traffic through a series of volunteer-operated servers to prevent your browsing habits from being tracked. In some countries tor is illegal to use or blocked. So before using Tor browser, be sure its allowed to use in your country. As of today, Tor is not illegal to use in United States and India. In this article, we will guide you through the process of installing Tor Browser on Ubuntu 20.04. Installing Tor Browser on Ubuntu…

These set of instruction helps you to setup Github Actions to build an Angular project and deploy to the Firebase hosting on push event. Even you can refer this tutorial to build any node.js application and deploy to firebase. Github actions allows you to automate, customize, and execute your software development workflows right in your repository. It is the best way to create and maintain a Continuous Integration/Continuous Deployment (CI/CD) lifecyle for your application. We assume you already have pushed your application to Github repository. Let’s start with the configuration of Github actions. Step 1 – Create Github Action Login…