Sometimes you want to be able to dock your iPhone and not have the display go to sleep. For example, when you have a 3rd party app like AIM or Twitterrific open that doesn’t have a disable lock function. The screen will not lock automatically if the iPhone is docked and music is playing. Simply start

playing music and then dock the iPhone and open the app you want to use. The iPhone won’t sleep until the playlist, album, or podcast is finished. If you don’t want to listen to anything, you can always turn down the volume.

Note: You can also set the Auto-Lock setting to Never.

Source: MacOSXHints

As flexible as Mac OS X’s Dock can be, one feature request that’s been around as long as OS X itself is the capability to have multiple Dock configurations and to easily switch between them. For example, as a tech writer, I often need to take screenshots, and I want those screenshots to include OS X’s stock Dock—my Dock looks nothing like the stock version. Or you may want different Dock configurations for different groups of tasks.

Over the years, I’ve covered a number of utilities that provide this functionality, but my new favorite is Thoughtful Tree Software’s aptly named Docks, mainly because of its ease of use and its clear and attractive interface.

The first time you launch Docks, you take a snapshot of your current Dock and give it a name. Next you customize the Dock for another task—for example, for media consumption, or for writing, or for Internet activities—and take another snapshot. You repeat this process as many times as you need different Dock configurations. (Note that programs currently running that aren’t permanently in the Dock aren’t captured as part of a snapshot.)

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In this tip I will show you how you can change preferences for your dock, meaning you can change size, magnify, change position in screen and some effects. Here are the steps below:

1. Open your System Preferences

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