This article has been given a more permanent home on my blog. Also, since it was first written, the development of the Promises/A+ specification has made the original emphasis on Promises/A seem somewhat outdated.
Promises are a software abstraction that makes working with asynchronous operations much more pleasant. In the most basic definition, your code will move from continuation-passing style:
getTweetsFor("domenic", function (err, results) {
// the rest of your code goes here.
| # In a controller | |
| # This is not necessary when using the view code below | |
| ::I18n.locale = params[:locale] |
These commands are good as of 2011-07-27.
App store http://itunes.apple.com/us/app/xcode/id448457090?mt=12) The download/install takes awhile so start it first. When it finishes downloading you will still need to run it to complete installation.
| #!/usr/bin/env python | |
| # -*- coding: utf-8 -*- | |
| """ | |
| fabfile for Django | |
| ------------------ | |
| see http://morethanseven.net/2009/07/27/fabric-django-git-apache-mod_wsgi-virtualenv-and-p/ | |
| modified for fabric 0.9/1.0 by Hraban (fiëé visuëlle) | |
| several additions, corrections and customizations, too |