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Go Back and Forth Fast in Preview

If you're reading a PDF in Apple's Preview software, and you follow a bookmark or an internal link to move around within the PDF, you can quickly return to where you were by pressing the keyboard shortcut Command-[ (that's Command-Left Bracket). Or, you can choose Go > Back.

The command works iteratively, so you can go back to just the previously viewed page or if you issue the command again, to the page before that, and so on. There's also an equivalent Go > Forward (Command-]).

 

 

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Little Snitch 3.1

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While it has been possible to use profiles in the Little Snitch traffic monitoring utility to create a set of rules that limit connections, you still had to remember to switch to that profile manually. With Little Snitch 3.1, Objective Development has added a new Automatic Profile Switching capability that enables you to assign a network (such as your home Wi-Fi network or a coffee shop hotspot) to a specific profile. When you first connect to a network, an alert window pops up to ask which profile you want to assign to the network. You can also choose to do nothing or configure a default profile that will be used for all unknown networks. No network traffic is allowed while the alert window is open to prevent email and file synchronization accounts from sending and receiving data in unwanted situations. Other changes in Little Snitch 3.1 include an improved Restore Factory Defaults feature, a bug fix for a rare issue that could cause a kernel panic, and an updated help section covering the addition of Automatic Profile Switching. ($34.95 new, free update, 13.2 MB, release notes)

 

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