Building real-time chat app using WebSockets with AWS API Gateway and Lambda
We can build many real-time applications such as chat applications, multiplayer games, financial trading platforms, and collaboration platforms using WebSockets with AWS API Gateway, Lambda, and dynamoDB. In this blog we will learn how to build real-time applications using WebSockets
How to create and use FieldSet in Salesforce
How to create and use FieldSet of a particular Object (Standard or Custom) in Salesforce FieldSets are commonly used where we want to display fields of a particular object in the Visualforce page dynamically. 1. Steps to create FieldSet of
Introduction to Magic Methods in PHP
Here we will go through different Magic Methods in PHP The PHP functions which starts with the double underscore “__” are called magic methods. These are the methods which are always defined in classes, and can not be used alone
Classes used to style responsive bootstrap table
Classes used to style responsive bootstrap table (Bootstrap-4) Nowadays tables are used in creating calendars or score charts. Due to widespread usability, it’s necessary that we create the opt-in responsive tables so that it is accessible on any device. You
How to Instantiate a Web Server in Node js
How to Create and Access a Web Server in Node js To access web pages of any web application we need a web server. The web server handles all http requests for the web application. Node.js framework is mostly used
PostgreSQL – Server doesn’t listen error
How to fix PostgreSQL server doesn’t listen error While trying to connect to Postgress you may face this error – Server doesn’t listen. Error: This is not an error exactly but an exception that occurs when we are running two
Hide Record IDs in URL on listview Custom Button click in Salesforce
Open Visualforce page on Custom Button click and hide Record ids in URL Problem:- How to hide the selected record Ids in the Url while using the listview Custom Button? Solution:- Create custom button on any object having content source
Introduction to ChromeDriver for Selenium with Example
Introduction to ChromeDriver for Selenium with a Code example to test a Website page title Chrome driver is used to perform the automation testing in chrome browser. Selenium requires this driver to run your test cases in chrome browser. You
Free Online Courses With Personalized Certificate
Free Online Courses With Personalized Certificate I started writing this tutorial targeting MCA students in Himachal Pradesh University, Shimla, India (from where I did MCA back in 99). This is an attempt to help students learn Java by practice. I
How to create and run multiple cron Jobs in Laravel?
Here is the process for creating and runnning multiple cron Jobs in Laravel Cron: It is a scheduler which runs after a specific interval or at specific time. It should be used when developer wants to run a piece of