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How to Start and Run a Node.js Service in the Background using PM2

If you're running a Node.js service and want to keep it running in the background even after you log out, PM2 is a great tool to use. In this tutorial, we'll walk through the steps of starting and running a Node.js service in the background using PM2.

Step 1: Navigate to the Service Directory

First, navigate to the directory where your Node.js service is located. For example, if your service is located in /var/www/html/dandie/nodejs, you would navigate to that directory using the following command:

cd /var/www/html/dandie/nodejs

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Enabling HTTP/2 protocol in Apache HTTP server on Ubuntu 20.04

It looks like you're trying to enable HTTP/2 on your Apache server and switch from mod_php to php-fpm. Here's a refined and improved version of your commands, incorporating best practices and explanations:

1. Check Apache Version:

apache2 -v

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Complete WebView JavaScript Communication Guide

Table of Contents

• Overview
• Setup
  • Android Setup
  • iOS Setup
• JavaScript to Native Communication
  • JavaScript Implementation
• Android Implementation

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Setting up a Node.js Socket Server

This guide will show you how to set up a Node.js Socket Server on a Linux machine. The server will use the Socket.io library to handle real-time communication between clients.

Prerequisites

Before we begin, ensure that you have the following:

• A Linux machine with root access

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Setting up pgAdmin4 with Docker

To set up pgAdmin4 with Docker, follow these steps:

Installation and Docker Setup

1. Install the required dependencies:

   sudo apt install apt-transport-https ca-certificates curl software-properties-common

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Task Description:

You are required to create a registration form using HTML, JavaScript/jQuery, and the provided JSON data. The JSON data includes all the necessary details for the form, such as fields, buttons, and their respective attributes.

JSON Data:

{
  "form": {

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Certainly! You can implement a settings screen where the user can choose between "Approximate Location" and "Precise Location". Based on their choice, you can then request the appropriate permission. Here's how you can achieve this:

1. Create a Settings Screen:

You can use SharedPreferences to store the user's choice. Provide two radio buttons or a switch/toggle for the user to select between "Approximate Location" and "Precise Location".

2. Check User's Choice:

Before requesting location, check the user's choice from SharedPreferences:

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Room Wall Painting Application

Objective:

Develop a web-based application using JavaScript technologies that allows users to virtually paint walls of an uploaded room image using polygons. The application should provide an eraser feature to remove painted portions, ensuring precision in areas like windows.

Features:

1. Image Upload:

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Task Description:

You are required to create a web application using Laravel (latest version), Bootstrap, and jQuery that incorporates the following features: dynamic form registration, user login, Google Autocomplete for address input, PostgreSQL database usage with foreign key relations, and address storage with latitude and longitude using geometry types.

Requirements:

1. User Registration:
   • Implement a dynamic registration form using Laravel's built-in form handling and validation.

• Generate the registration form dynamically based on a JSON data structure.

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Task Description:

You are required to create a web application using Laravel that implements a dynamic registration form with form handling, validation, Google Autocomplete for address input, and AJAX form submission. The application should also include the functionality to save the form for later completion, display the saved forms using Bootstrap and DataTables with pagination.

Requirements:

1. Dynamic Registration Form:
   • Generate the registration form dynamically based on a JSON data structure (Form should auto generate even if I add new sections or fields).

   {