如何使用Apache正确配置反向代理，以便用于跨域AJAX?

Needing to develop a web application that at the same time is highly dependent on an API but at the same time cannot reside on the same domain as the API itself, it's been quite tricky getting around the "Same Origin Policy" when making asynchronous HTTP requests (AJAX). At one point, I was recommended to install WAMP on my computer (running Windows 7) and to configure a reverse proxy with Apache. The same person gave me the Apache directives bellow that I added to the Needing to develop a web application that at th