On development, testing, and staging site you normally don\'t want Drupal\'s caching, and javascript/css aggregation features enabled.  Drop the following into your sites settings.php file to override these settings.

{.php style="font-family: monospace;"}  // disable performance caching$conf['cache'] = 0;$conf['block_cache'] = 0;$conf['preprocess_css'] = 0;$conf['preprocess_js'] = 0;