假如諸位正在用緊SONY XPERIA，尤其係啲GO，SOLA等下價貨，當升級到android 4之後，會開始越來越遲鈍，聽電話過4,5秒先有反應，有時仲會死機。
When you migrate your drupal 7.15 website with a new IP or new domain name, this php warning may come in Status Report. The Array item has ! and no further information.
strcmp() expects parameter 2 to be string, array given in _system_sort_requirements
The reason may be in self detect problem. The drupal validation call itself with the same domain name and failed. Just add the domain name to /etc/hosts with IP address 127.0.0.1 and re-run.
If you are using https and proxy to a backend apache server with port 80 (http protocol), you may fail on MOVE or COPY action. Usually, you will get a Bad Gateway error message.
If you have a configuration of svn side by side with a Drupal installation, you will feel headaches with some forbidden error. The forbidden error is not really you don't have to rights. It is because of a rewriting rule in drupal .htaccess file:
RewriteRule "(^|/)\." - [F]
This rule is the devil. It generates a forbidden error back to the svn client for any access of a dot-begin file like .project. You can add one line in front to solve it (suppose your svn parent is /svn):