It’s time for another roundup of beautiful wallpapers for your computers and iDevices. There’s no particular theme with this roundup, just some great images of scenery and distant space, each of which makes for fantastic background pictures. As usual, these are all offered in high-res HD glory, so whether you’re sporting a 27″ display with a huge resolution or just a retina iPad, they will all look great. Enjoy!

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The Mac OS X Firewall provides an optional ability to block all incoming network connections , offering a significant security boost to Macs that are located in untrusted networks or hostile network environments.

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You can easily configure Google / Gmail contacts to sync with an iOS device like an iPhone, iPad, or iPod touch. This transfers all Google Contact details onto the iOS device, in addition to keeping all contacts in sync, meaning any changes made in one service will carry over to the other nearly instantaneously. This functions much like how iCloud syncs contacts between Apple devices, except it offers the ability to sync across platforms and between Apple and Google services.

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Removing attachments from an email or everything in Mail app can be useful for a variety of reasons, from ditching a file that is no longer relevant to an email thread, to lowering the file transfer size when sending/replying to a message, or for more extreme cases for individuals with smaller hard drives, for reducing the overall disk space consumed by the Mail attachments directory.

Whatever the case, use some caution when removing attachments this way, as there is no way to retrieve the mail attachment locally after they have been removed from Mail app. For this reason, if you intend on deleting many attachments from many emails you may want to make a manual backup of the attachment directory beforehand, which we will also cover below by showing you where the attachment files are stored in OS X.
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New email arrivals display a small preview of the message itself on the lock screen of iOS devices, which shows the sender, the subject, and part of the actual email message body. Because emails can contain some very private and/or personal details, you may wish to hide those email message previews from showing up on the lock screen completely.

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Got a song, podcast, or another audio track that you want to copy directly to your iPhone, but don’t want to add to your computers general iTunes library? You can skip adding the song to the computer iTunes library completely by using a simple but little known trick, letting you directly transfer music and audio to an iPhone, iPad, or iPod touch. The end result is that you will have music stored only on the iOS device, without having it kept in iTunes as well, completely bypassing the iTunes libraries on a Mac or Windows PC.

This is a nice trick for some added control when managing very specific music libraries, using alternate computers, and particularly if a computer is running low on disk space and you’re wanting to copy music directly from an external drive to an iPhone or iPod without importing anything into iTunes.
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We’ve covered a handful of the best MKV player apps for the Mac before, but what if you have a Blu-Ray disc, DVD, or ISO that you want to make your own MKV file out of? Creating a watchable MKV file on your computer from a Blu-Ray or DVD is commonly called ‘ripping’, and that’s exactly what we’re going to show you how to do with a great app called MakeMKV. Other apps may get the job done as well, but we’re focusing on MakeMKV because it is free, fast, efficient, and extremely easy to use.

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LICEcap is a screen recording app that captures a portion of the Mac OS X (or Windows) desktop and saves it directly as an animated GIF. Incredibly simple to use, the apps functionality should be familiar enough to anyone who has used screen recording with QuickTime before, except that rather than a movie being exported, you wind up with a GIF.

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Did you know that you can unlock an iPad or iPhone using an external keyboard, without ever having to touch the screen or hardware buttons on the device itself?

This trick is particularly great for unlocking an iPad with an external keyboard, but it works with iPhone and iPod touch too.

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With the help of a simple command line function, you can quickly initiate a web search in your GUI web browser of choice right from the Terminal app. We’ll cover a few examples, demonstrating searching the web with Google, Bing, Yahoo, and Wikipedia, and using a variety of different web browsers, including Chrome, Safari, and Firefox. Because the command syntax is fairly straightforward, you can further customize the search functions or apps used as you see fit.

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Apple has released the 6th developer preview of OS X Mavericks to Mac developers. No new features are expected in the new build, as typically these updates focus on bug fixes and minor refinements.

The latest version weighs in between 1GB-3GB, depending on hardware, and is recommended to install for all users running OS X Mavericks Developer Preview 5. The quickest way to get the update is from the Mac App Store via Software Update.
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The Mac OS X Disk Utility app provides an ability to erase free space on traditional hard drives, which overwrites vacant disk space on the drive to prevent any potential recovery of deleted files (that is, files that have been removed traditionally, rather than through secure methods). For most users this is an unnecessary procedure, but if you plan on transferring ownership of a traditional hard drive or computer to someone else and you don’t want to securely format the entire hard drive first, this provides an alternative option that instead allows you to securely overwrite and remove only the files that have been deleted.
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If you’re comfortable with the command line and ever in a situation where you need to find and replace a word, phrase, URL, or character across a group of multiple text documents, perl does the job quite well. A simple command string will very quickly perform a group batch find and replace on text, whether in a single document or spanning a group of multiple documents.

Like many things in the command line, there is no confirmation process, so you’ll want to make sure your syntax is set correctly before initiating a command, otherwise you may need to do another find & replace to repair your typo.

The basic command syntax is as follows:
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Visiting a new city, or maybe just a part of town you’re unfamiliar with? If you’re concerned you may forget where you parked your car (or bike, mule, horse, chariot, whatever), just pull out your iPhone at that location and use the Maps app to save the location. This simple trick means you’ll never forget where you have parked ever again, even if you’re in a place you have never been before.

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Dashboard is a largely under appreciated feature of Mac OS X that adds little widgets to the Dashboard space or added directly to the desktop itself. Much of Dashboards lack of use comes down to not having widgets that pertain to interests of the user, and that’s where this trick comes in, which allows you to quickly create your very own custom Dashboard widget from any web page or web site element. Best of all, the widgets created this way maintain their live functionality, meaning a web widget will continue to update live as if it was on the web, even though it is now contained within Dashboard.
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The Calendar (once called iCal) app of Mac OS X has full support for Time Zones for the entire calendar, individual events, shared calendars, and even invitations, but it must be enabled separately within the preferences. If you rely on Calendar app for just about anything and travel or work across time zones with any regularity, this is a worthwhile feature to turn on, particularly for those who also sync the calendars between OS X and iOS.
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A quirky bug in Mac OS X lets you freeze any window half-way through the minimize animation, providing for a completely askew window that retains the intended functionality of that minimized window.

Obviously freezing an animation mid-animation isn’t particularly useful, but it can be fun to use, it looks pretty silly, and maybe it has some hidden purpose that we’re just not aware of. Anyway, freezing the minimize animation is very easy to replicate, here’s how to do it on Mac:
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Apple has pushed iOS 7 Beta 6 to all compatible iOS devices registered with the iOS Developer Program. The 6th beta build is 11A4449d, and is said to include improvements and bug fixes. Arriving as a remarkably small OTA download weighing in between 12-25MB for most hardware, the smaller builds are appearing on the iPhone and iPod touch and slightly larger versions for the iPad.

As usual the simplest way to download iOS 7 beta 6 is with a device already running iOS 7 and using Over-The-Air update, accessible through Settings > General > Software Update.

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