How to create a private cloud on OpenStack using DevStack
OpenStack is an emerging technology that allows anyone to create a private cloud, a cloud is deployed on your own hardware. A cloud is a scalable
RabbitMQ breaks when you rename hostname
I’ve been setting up a Debian 6 server with RabbitMQ installed. RabbitMQ is used with Celery to enable asynchronous tasks in Python Django projects. After
Installing Scientific Python on Mac OS X 10.8
Recently I had to reinstall Python with scientific tools on Mac OS X 10.8.
These are instructions that I read from the Internet to successfully install Python. [1,2]
PART I: Installing Python
Step 1. Remove old Python
We have to remove all previous installations
AddObserver: my favourite function
Graphic designer friend Ryan recently asked me, “what is my favourite function?” That was a tough question to think about. Pondering it for a while, I decided that AddObserver
Do You Really Want to Build a Node.js Web Application?
Last week Rudy and I at Yetihq.com attended the Node.js developer meetup,
Lighty: Illuminating a Room using an Augmented Reality Interface
One of the first things people do when they enter a room is turn on a light switch, or a series of light switches, depending on the time of day and situation. These light switches, however, have an
Why Should I Build on Open-Source Tools?
In recent years many open-source software products have become available on the Internet. An open-source product can be defined as a software
WebGL: 3D Graphics in the Web Browser
WebGL is a new technology being introduced to modern web browsers such as Google Chrome and Mozilla FireFox. WebGL enables a web browser to render interactive
Choosing a web framework to build a website: Ruby on Rails, Python Django, or Node.js?
Introduction
The Internet enables people to build digital properties that transcend national boundaries. The earliest Internet websites in the 1990s were simple static web pages, limited by the technology of that
Evergreen web browser: a web browser that automatically updates itself (Yetihq.com)
On November 13, 2012, we (developers at Yetihq.com) attended a Web Performance SF meetup in San Francisco. The