There are some good guides out there explaining how to work with events and the ways to attach them to your components, but none (that I know) explain the following way to configure your events with CAction classes on your controllers the following way.
In this article i will explain how to customize log activity in database, Imaging you need to save IP user, Url request and user_name in database,But table created by default with Yii only have id,level,category,logtime and message
Through the YouTube API you can upload files directly to the Youtube server. Youtube currently offers two services 1. Direct Link 2. Browser Based Uploading. In this wiki I will demonstrate how you can quickly set Browser Based Uploading for your Yii application. This is the protocol request that takes place.
There are scenarios when you work with DVCS (like Mercurial or Git) and CDbMessageSource. To my experience keeping the development database and production database in sync can be very time consuming. Plus, when working in a team, you never know when the database was updated.