Rooms

Imported from a comment discussion on http://apple.stackexchange.com/questions/250083/not-able-to-access-localhost-via-local-ip

Imported from a comment discussion on http://apple.stackexchange.com/questions/243687/macos-sierra-allow-applications-downloaded-from-anywhere

Imported from a comment discussion on http://apple.stackexchange.com/questions/248383/what-could-be-causing-several-apps-to-have-excessive-wakeups/248825#248825

Imported from a comment discussion on http://apple.stackexchange.com/questions/248812/internal-ssd-and-hdd-together-speed/248837#248837