In programming there are sometimes situations when you have to recursively call a function from itself. Such are factorial or retrieving children of tree nodes.
CentOS users might have problems with WLAN on their laptops especially with BCM4311 802.11b/g WLAN chipsets. These can be solved by installing proprietary Linux driver by Broadcom.
Virus spreads via video posted on Facebook! Video named "Mlada ceska pred webkamerou ukazuje vse!" is already blocked by ESET, some info was published by Kaspersky.