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Relational databases do not support inheritance so if we need to represent it, we have to somehow store meta info while keeping performance by minimizing JOINs. One way to solve this problem is using single table inheritance. All fields for the whole class tree are stored in a single table. Class name is stored in the type field of the same table.

Following on from international dates, I also wanted times in the local timezone and format. This was a little more tricky but I think I've got a solution. This is only really appropriate if you have an international app.

CSRF é o acrônimo para Cross-site request forgery. CSRF é um ataque que forca o usuário a executar ações não desejadas numa aplicação Web na qual ele está autenticado.

Hi Folks,

Create a component (/protected/components/PearMail.php) Edit this as needed based on where you put the files from PEAR.

What would you do if you want/need to have a different than the main database connection in an module's models?

Use SQL SERVER 2000, the date format not like: yyyy/mm/dd hh:mm:ss. So I change to use SQL SERVER 2008 EXPRESS.

I would like to provide you a quick tip on how to implement user level access to your Yii applications.

CSRF is the acronymn for Cross-site request forgery. It is an attack which forces an end user to execute unwanted actions on a web application in which he/she is currently authenticated.

To get null from database instead of empty strings you need to set up your DB connection as follows: