How to Auto-Hide Dock Immediately

To remove dock auto-hiding animation latency immediately, key in the following in Terminal:

defaults write autohide-time-modifier -int 0;killall Dock

To restore it, key in the following:

defaults delete autohide-time-modifier;killall Dock


How to Fix Linksys Hanging with Airplay

To fix the hanging problem of Linksys E4200 router when working with Apple TV’s mirror function on iPad 2 or newer:

1) Log in to the router

2) Disable CTF under Management of Administration

That’s all needed to fix the hanging problem associated with Apple TV mirror function.