Origin is not allowed by Access-Control-Allow-Origin

Question

I\'m making an Ajax.request to a remote PHP server in a Sencha Touch 2 application (wrapped in PhoneGap).

The response from the server is the following:

Answer 1

In Ruby Sinatra

response['Access-Control-Allow-Origin'] = '*' 

for everyone or

response['Access-Control-Allow-Origin'] = 'http://yourdomain.name'