DB2 command and SQL used to check DB2 edition, Fix Pack level, bitness (32/64-bit of DB2), install date and directory, license type and CPU/memory limit information.

A regular expression example used to find hyperlink and add nofollow attribute to it.

The Vi command to do interactive search and replace.

Using Windows batch file to create an infinity loop for running on Windows 7.

There is a trick to embed Facebook videos shared by friends on your own blog.

Where is IE9 cache folder that temporarily storing videos played on Facebook?

Using Outlook Connector plugin to check Hotmail on Outlook 2010.