Building real-time chat app using WebSockets with AWS API Gateway and Lambda

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| By Navneet Kashyap

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

PHP | Header function not working

| By Webner

Code : Function getredirect($subcontactid) { echo”contactid”.$subcontactid; header(“location:https://subscriptions.zoho.com/app#/customers/$subcontactid”); exit; } The header function in the above code does not work. But when we remove the echo from the code, it works properly. Code after removing echo : Function getredirect($subcontactid) { header(“location:https://subscriptions.zoho.com/app#/customers/$subcontactid”);

Salesforce | Change value of an object’s field on button click and reload page

| By Webner

We can change the value of an object’s field on button click by using javascript like this (and this will also reload the page): { !REQUIRESCRIPT(“/soap/ajax/29.0/connection.js”) } var rec = new sforce.SObject(“Contact”); rec.Id = “{!Contact.Id}”; rec.IsActive= ‘true’; var result =

Generate getter/setter for PHP Classes in Eclipse

| By Webner

Using PHPGen Eclipse plug-in one can automatically generate getter /setter methods for instance variables. Note: This Plugins is not available in Eclipse Marketplace. Steps For Installation: Start Eclipse and add “Help> Install New Software” from following URL: http://loge5.de/downloads/Eclipse/: Click Add,

jQuery | Click event does not work on dynamically created HTML elements

| By Webner

Solution: Suppose we have the following HTML and jQuery code: HTML: <div id=”container”> <button id=”1″ class=”createNewElement”>Button</button> </div> jQuery: $(‘.createNewElement’).click(function(e) { alert(“Element with id ” + $(this).attr(‘id’) + ” is clicked!”); // tells id of button clicked newElementId = parseInt($(‘div button’).last().attr(‘id’)) +