Remove Guest Session at login in Ubuntu 14.04

Open Terminal using the short key, Ctrl + Alt + T
Apply following command to open the configuration file.


sudo gedit /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf

Add following line below the last line,

allow-guest=false

Turn off animations (ripple effects) on Android Lollipop

You can adjust or turnoff animations and ripple effects on Android Lollipop and custom ROMs including CyanogenMod 12.

Go to Settings > Developer options

Find Animator  duration scale. Decrease its number.