Google Chrome Keeps Caching Code

Google Chrome is nice for mobile apps because it has decent developer tools and can render webkit css properties (otherwise, Firefox has better debugging facilities).

What is maddening is that Chrome randomly seems to cache pages regardless of header settings. During development, pages are updated very often-- making debugging in Chrome supremely frustrating. I've only found two solutions:

1. Reboot
2. Append a dummy variable to the page URL (for example, myapp.com/index.php?google_sucks=1