If you want to see a live demonstration of what I mean by "how to send POST data from CActiveForm with a CListView inside" you can take a quiz from here and you will understand. (Link not working due to site maintenance. I will fix it in a few days.)
The number of languages supported by the standard CJuiDatePicker implementation is limited and the language code to use is different from the application's language code.
This Wiki shows how to improve on that.
When building PHP web applications you usually have to take care about defining and providing a consistent development and production environment for your team. This includes your application packages, PHP-extensions, database servers and often further components such as a mail server or workers.