Caching in Node.js with Redis: A Beginner’s Guide

|
| By Sahil Kumar

Caching is a technique to store frequently used data in a temporary storage so that future requests for that data are faster. In Node.js applications, caching can help improve performance and reduce the load on your database. One popular tool

Database Connectivity with Selenium Webdriver

| By Webner

How to connect to Mysql in Selenium script? Step 1: Import Mysql connector (JDBC driver): Download connector from: Find-ur-pal Download this jar file and import in Eclipse : MySQL-connector-java-5.1.18-bin.jar Follow these steps in Eclipse: Add the downloaded Jar to your

PHP | Deleting files from local machine (unlink(): No such file or directory)

| By Webner

Assume following is the path on your system in which you want to delete some files through code (unlink function): C:\wamp\www Now if we use the same address in source variable (“C:\wamp\www”), it gives the following error: unlink(): No such

HTML | Browser Notifications

| By Webner

Below is the sample code to get permission of user to display browser notifications in case he approves. Save the following code in simple HTML file: <script> document.addEventListener(‘DOMContentLoaded’, function () { if (Notification.permission !== “granted”) { Notification.requestPermission(); } }); function

JavaScript/HTML | Get Id of inner child element

| By Webner

Suppose from html code below we want to get id of each <a> element inside home_menu. <ul id=”home_menu” class=”appendmenu” style=”float: left”> <li> <span class=”arrow sep”>►</span> <a id=”breadcrumb_mainc3″ style=”cursor:pointer;color:#087bb1;”>Programming Courses</a> </li> <li> <span class=”arrow sep”>►</span> <a id=”breadcrumb_sc34″ style=”cursor:pointer;color:#087bb1;”>Javascript </a> </li> <li>