it’s possible to enable some hidden features for the ‘Twitter For Mac’ application with some Terminal commands. With the following command you can prevent repeating avatars on a user profile timeline. Close Twitter and add the following command in Terminal.
OS X: Keep Quick Look windows in front
When viewing a file with QuickLook it will appear in the foreground of the screen. When you select a different window, QuickLook will go to the background. It’s possible to keep the QuickLook windows in front.
Twitter: Type anywhere to automatically start a new tweet
it’s possible to enable some hidden features for the ‘Twitter For Mac’ application with some Terminal commands. With the following command you can enable to type anywhere in the application to automatically start a new tweet. Close Twitter and add the following command in Terminal.
Twitter: Open links in the background
When you open a link in the Twitter Application you continue to browse the current web page in your browser. With the following command you can open links in the background.
Mac OS X: Disable Mission Control and Spaces
If you never use Mission Control than it is possible to disable the feature entirely and save resources. If you disable Mission Control you also disable the Spaces feature, before disabling Mission Control, close all of your spaces.
Place the OS X Dock in the right or left side corner
It’s possible to place OS X Dock in the left or right side corner of the screen with this hidden defaults write command. After applying the command you should restart the Dock. Use one of the following commands:
Disable the send-mail tone in OS X Mail application
When sending an e-mail in the standard OS X Mail application a swoosh tone will be played. This tone cannot be disabled through the standard mail settings. With the following defaults write command you can disable the sound.