How to create a PoolCluster in Node.js with MySQL

To create a PoolCluster in Node.js with MySQL, you can follow these steps:1. Install the mysql package in your Node.js project by running the following command in your terminal: npm install mysql 2. Require the mysql module in your Node.js code: const mysql = require('mysql');3. Create a new PoolCluster object:const poolCluster = mysql.createPoolCluster();4....

How to get the checked value of the radio button in javascript

Hi, In This tutorial you will learn about "How to get the checked value of the radio button in javascript". If working on the javascript to get the values of the radio buttons it some times gets the not checked value or same value can be retrieved. Because when you write the radio buttons code any radio button is checked default <input type="radio"...

How to disable the browser back button navigation using javascript

Hi, Today you will learn about "How to disable the browser back button navigation using javascript", In general, we don't use this type of requirement in the project.But is very useful in so many situations. For example, we are doing in the online cart i.e an e-commerce platform so here after the placing the order and once the user checks out the...

How to read the .docx files in PHP

Hi, In This tutorial you will learn about "How to read the .docx files in PHP". Generally .docx files will be opened in the MS-OFFICE, But we are able to open the .docx file in PHP we have to convert the .docx file into text then we can easily display the content in the web browser. <?php function read_file_docx($filename){ $striped_content...

How to save an HTML5 Canvas as Image on a server using PHP

Hi, In this tutorial, I am going to explain, How to save an HTML5 Canvas as Image on a server using PHP. Before going to this topic please refer "How to convert the HTML content into an image using jquery" in my previous post then you will get an idea how to generate the div content as an image. Step 1: First Convert canvas image to URL format (base64) var...

How to Refresh a page after specific time automatically in PHP

Hi, In This tutorial you will know about How to Refresh a page after specific time automatically in PHP. Generally, we did this type of implementation in the javascript or jquery but sometimes javascript is disabled in the user's side (i.e users disabled the javascript in their browsers). At this situation, we need to implement that code in PHP it...

How to store and retrieve array in MySQL and PHP

This is the most important technique for all Php developers because of Mysql can't store the array values directly. So we need to convert the PHP Array to string by using the serialize(). This mechanism is very useful in the e-commerce cart functionality. For example, we can store the customer purchase items list and price can be stored in the associative...

How to Generate QR Code using Google Chart API in PHP

Hi, In this tutorial you will learn How to Generate QR Code using Google Chart API in PHP. Before going to the topic you need to know about what is QR Code? QR Code is a machine-readable code, It consisting of an array of black and white squares. It is typically used for storing the information like general text, contact information, URL, image and...