R Summary

1. Eliminating Null from R Dataframe
   df <- df[is.null(df),]  << NO
   df <- df[which(is.null(df)),]  << YES

Random Linux Networking commands

See Bridges

brctl show

Deleting a bridge interface

ip link set br0 down
brctl delbr br0


Common networking configurations used by libvirt based applications
http://wiki.libvirt.org/page/Networking#Host_configuration

C++ Questions by my friends & collegues