Link a un articolo del mio blog:

spiega due possibili implementazioni di un sistema di caching basato sul famoso Proxy Pattern.

Tutto rigorosamente in Java.

This issue was previously discussed in the forums. With Drupal 6's new menu system, there appears to be no way for a module to define a MENU_LOCAL_TASK (a tab) that only applies to certain node types.

Google’s geocoder permits you to make 50,000 queries a day, which sounds like a lot. However, that is only 35 a minute, which if you sustain for more than a few minutes, kicks in the limit (apparently…). So you might be interested in caching your results.