iOS Devices do not show up on Xcode 6.1.1 - until after rebooting the Mac

Question

Since updating to Xcode 6.1 all of my iOS devices will not be recognized by the Mac after a period of time. It used to be every couple of days, but now it is happening sever

Answer 1

Top to your Right Click on
Window > Devices

You will see that no devices will be showing Do the following
Bottom Left
Click on the +
And then start adding your devices.