Author: Rahul

In JavaScript, there are several ways to retrieve the current timestamp. One of the simplest and most efficient ways to do this is by using the built-in Date.now() method. This method returns the number of milliseconds that have elapsed since January 1, 1970, 00:00:00 UTC. In this article, we will explore how to use Date.now() to get the current timestamp in JavaScript. Getting the Current Timestamp To use the Date.now() method, you simply need to call it without any arguments. For example, the following code retrieves the current timestamp and stores it in a variable called currentTime:

The value…

In programming, a method is a block of code that performs a specific task or action. Built-in methods, also known as native methods or standard methods, are pre-defined methods that are included as part of a programming language. These methods are provided by the language itself and can be used by developers to carry out common programming tasks without the need to write additional code. In this article, we’ll explore the concept of built-in methods, their benefits, and how they can be used in programming. What are Built-in Methods? As mentioned earlier, built-in methods are pre-defined methods that are included…

Vim is a popular text editor that is known for its powerful and efficient editing features. One of the most common tasks that you will perform when editing text is deleting lines. In Vim, there are several ways to delete lines, from deleting a single line to deleting all the lines in a file. In this article, we will explore how to delete lines in Vim, including deleting one line, deleting a range of lines, deleting all lines, and deleting lines that match a pattern. Deleting one line To delete a single line in Vim, first, position your cursor on…

Disk backup and cloning are essential tasks for system administrators and power users. The dd command in Linux is a powerful tool for backing up and cloning disk partitions. In this article, we will discuss how to backup and clone disk partitions of different sizes using the dd command in Linux. Before we begin, let’s review some basic concepts of disk partitions and the dd command. What is Disk Partitions? A disk partition is a logical section of a physical disk that functions as if it were a separate physical disk. Disk partitions can be used to organize and manage…

The php.ini file serves as a crucial configuration tool for PHP, dictating various server settings including file upload limits, error reporting parameters, and memory allocation. Its location, though, can differ based on the configuration of your server and the operating system in use. This guide will present several techniques to assist you in identifying the appropriate php.ini file on your web server.. Method 1: Use phpinfo() function The phpinfo() function displays detailed information about your PHP configuration, including the location of your php.ini file. To use this function, follow these steps: Create a new PHP file on your web server.…

Bash is a popular shell scripting language that is commonly used in Linux and Unix-based operating systems. One of the most commonly used constructs in Bash is the for loop, which is used to iterate over a set of items and perform a particular action on each item. However, it is important to write efficiently for loops in order to optimize script performance. It is also important to note that Bash is just one of many scripting languages available, and its capabilities may be limited in certain scenarios. If you find that your Bash scripts are becoming too complex or…

TensorFlow is an open-source software library developed by Google for machine learning and deep learning tasks. It provides a flexible and efficient way to build and train machine learning models, from simple linear regression to complex neural networks. TensorFlow supports a wide range of platforms, including Ubuntu, one of the most popular Linux distributions. If you’re new to TensorFlow and want to get started with Ubuntu, this step-by-step tutorial will guide you through the process of installing TensorFlow on your Ubuntu system. By the end of this tutorial, you’ll have a working installation of TensorFlow and be ready to start…

In Linux, a process is an instance of a running program. It can be a system process or a user process. A system process is a process that is run by the kernel to manage system tasks, while a user process is a process that is run by a user to perform a task. In this tutorial, we will provide an overview of managing Linux processes, including how to view running processes, how to manage them, and how to kill them. Viewing Running Processes To view running processes in Linux, you can use the ‘ps’ command. The ‘ps’ command displays…

Git is a popular version control system that helps developers keep track of changes to their code over time. GitHub is a web-based platform that provides hosting for Git repositories and offers additional features like collaboration tools, issue tracking, and pull requests. In this tutorial, we’ll cover the basics of using Git and GitHub for version control. Setting up Git and GitHub First, you’ll need to install Git on your computer. You can download it from the official website (https://git-scm.com/downloads). Once Git is installed, you’ll need to configure your username and email address: git config –global user.name “Your Name” git…

If you’re running a website that receives a high volume of traffic, it’s important to have a high-performance web server that can handle the load. Linux is a great choice for a web server, as it is stable, secure, and can be optimized for performance. In this article, we’ll show you how to set up a high-performance Linux web server. Step 1: Choose Your Linux Distribution There are many different Linux distributions to choose from, each with their own strengths and weaknesses. For a web server, we recommend using a distribution that is lightweight, stable, and well-supported. Some popular choices…