This way of using Composer is different from the Phundament 3 based wiki in that it is using the new official Composer installer for Yii. It is also only making use of Packagist not the packages at packages.phundament.com. This wiki doesn't aim to replace the Phundament 3 based wiki it is just another way of doing it and I really like the fact that it can use Packagist directly and not a separate repository.
Say, you want to write a test for a component which provides a caching feature. How would you know, that some method of your component returns a cached result? With the solution described here you can inspect all log outputs. So you could search the logs for accesses to the DB to really make sure, that the result was served from cache.
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:
Facebook iframe app’s session is losing in Internet Explorer when doing a second redirection inside the facebook iframe app.The main reason is ,by default IE wont allow cookies in its priavacy settings If cookies not available means session is also not available for our Facebook iframe app in IE.