Clearing cache is something that a Drupal developer do frequently. Here are the 4 most popular ways to clear the cache.
1.Install the devel module which adds a cache clear option for administrators. You'll find a devel block to add to a region for quick cache clearing.
2. If you install the admin menu and get a quick menu in the top left for clearing various caches in Drupal.
3.If you like the command line install drush and use the
command to clear your sites caches.
4. Performance' page in administration > site configuration will allow you to enable/disable caching of selected site elements.