In this blog post I'll go through an example, in repeatable steps, of how to get up and running with the Tornado chat demo on ActiveState's public sandbox for Stackato. ActiveState's Stackato PaaS (Platform-as-a-Service) is based on VMware's open-source PaaS, Cloud Foundry, and offers an enterprise PaaS solution that will run on any public cloud, private cloud, laptop or desktop.
Geohashing is a simple way to encode latitude and longitude and grouping nearby points on the globe with varying resolutions. It was created by Gustavo Niemeyer. This blog post looks at how it's implemented any why it is such an elegant solution for encoding and managing location-based data.