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Tutorials, demos, and code walkthroughs for a wide variety of real-time web, mobile, and IoT projects.

BuildMay 3, 2013

Streaming Geo Coordinates API From MongoDB: iOS App

**NOTE: Since we wrote this tutorial, we’ve released a new, completely-redesigned version of our iOS SDK (4.0). We rebuilt the entire codebase and took advantage of new features from Apple, simplifying and streamlining the SDK. The code from this tutorial still works great, but we recommend checking...
Stephen Blum
Stephen Blum
CTO, PubNub
BuildApr 26, 2012

Content Commander WordPress Plugin for Live Blogging

Bloggers are often pointed to as the taste-makers of internet. For example, in the music world, the hippest of hip music is usually first discovered and promoted by bloggers. Sadly, if they want to share cool stuff with their audiences, they still have to do it the Web 1.0 way. Push Any Content with...
Michael Carroll
Michael Carroll
BuildJul 9, 2011

Your Style Sheet in Real time

First: sign-up for a PubNub account. You have always wanted to send CSS updates to your website or HTML5 mobile app in Real time. How do you do this? It was hard before PubNub right? Change the value of the CSS in the text box below, then press “Broadcast CSS Changes” button. What will pressing...
Stephen Blum
Stephen Blum
CTO, PubNub
BuildMay 11, 2011

Real-time Multi Touch with PubNub

This tutorial walks you through how to build real-time multi touch functionality with PubNub, enabling you to sync multi touch actions across any number of devices. Check out the live multi touch demo here (open in two browser windows), or check out the multi touch source code. Use your fingers to transmit...
Stephen Blum
Stephen Blum
CTO, PubNub
HTML5 Mass Broadcasting Blog.jpg
BuildMar 17, 2011

HTML5 Mass Broadcasting Desktop Notifications

This tutorial explains how to broadcast real-time cross-platform, cross-device desktop notifications to your users on any browser

Stephen Blum
Stephen Blum
CTO, PubNub
node-js-websockets-programming.jpeg
BuildJan 7, 2011

node js Supercharged by PubNub

node js is an exciting and promising new server-side application platform for building apps using JavaScript. However, not everyone knows that node js can be supercharged using PubNub to connect a human audience. PubNub believes in node js as a powerful app server and that’s why we have created...
Stephen Blum
Stephen Blum
CTO, PubNub
BuildAug 9, 2010

Facebook “Meh” Button : JavaScript

Yesterday, BoingBoing posted an article with a new Facebook Icon for “Meh” Button, opposed to “Like”. Inspired by this, PubNub developers built the Facebook “Meh” Button and added real-time functionality to it. This button can be used with the Facebook “Like”...
Stephen Blum
Stephen Blum
CTO, PubNub
Enable jQuery Push Notifications API blog image.jpg
BuildJun 17, 2010

Enable jQuery Push Notifications API

The new PubNub JavaScript Push API 2.0 now with jQuery Plugin! If you are a jQuery user and have wanted a Push API with Publish and Subscribe, then hurray! Here is the fastest and lightest jQuery Push API. It is compatible with mobile phone devices such as iPhone, iPad, Blackberry, Android, Symbian and...
Michael Carroll
Michael Carroll
Content Writer, PubNub
BuildJun 11, 2010

Fastest JS Google Closure, gzip -9, Memcache, CDN, Headers

At PubNub, we use Google Closure Advanced Optimizations Mode, Max Gzipping -9 and Memcache for best possible performance delivery of our JavaScripts. Closure + gzip -9 and Memcache Research, Benchmarks and Stress Tests has lead to create the best JavaScript delivery method to date. If you are looking...