In SQL, wildcard characters can be used in "LIKE" expressions; the percent sign (%) matches zero or more characters, and underscore (_) a single character. Sometimes users are not familiar with these or they are using different ones like (*) and (+) similar to regular expressions. My colleages do so and then i decided to add this feature by extending CbCriteria. Especially adding a new parameter $wildcard_chars to the method addSearchCondition to replace them if needed with standard SQL characters:
This article explains issues about installing XAMPP server package (Lite version) on Windows OS and configuring it for serving webapps written in Yii. Please note, that XAMPP is available for many more platforms and systems. I write about Windows edition as it was the only one tested by me.
If you are hosting Yii behind a reverse proxy, for example nginx, and you are having issues with your logs showing the proxies IP, or the urls being created arn't being created for SSL because your SSL certs are located on your reverse proxy instead of the Yii server, this code may be able to help you. I placed them in the very top of Yii's entry script, index.php
Sometime its very important to perform many actions/operation with limited time frame for friendly use, select2 provides a lot of such functionality , I just extend it tags functionality to provide a quick use for developer to save time, as I spent much time on it.
By Integrating the Zend 2.* framework into Yii you can quickly and painlessly generate XML outputs from your controllers. This will be helpful to anyone who has never done this before or only done it with Zend 1 as the introduction of namespaces can be strange when you first view them.
Uploading files in a webapp can be extremely tricky and sometimes the quickest way to do it is to store the file directly in the webserver or into a DNS (like Amazon S3) and then to save the link and the metadata inside a table in the DB. The thing is that you'll have to deal with file permissions, server storage, file management and so on (which is perfectly fine, by the way).