Install FreeBSD archive packages online via sysinstall

I wrote this just for reminding myself. Sometimes, when you try to install a package on a older release FreeBSD machine via sysinstall using the online method, you will find the release become obsolete and cannot be installed anymore.

Posting JSON data from Ext JS to PHP

I have got a Ext-JS web application which needs to send a group of object data to the PHP server side, then processes and stores them. However, it is easier and less effort to pack the Javascript objects in JSON and POST to the server side. Then on PHP side decodes the receiving JSON string and extracts necessary data and stores them. It took me a while to analyse and debug what the problem was and here is how to do it.