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Find devices connected to your AirPort base station without AirPort Utility 5.6 Network

AirPort Utility 5.6 could show you all the devices connected to your AirPort base station—wired and wireless alike. AirPort Utility 6.x, however, only lists devices connected to your base station over Wi-Fi. There’s no way to use the app to list off the IP addresses and names of devices plugged directly into the base station.

You can stil grab the old version of the utility from Apple, though you need a little help to install the app on Mountain Lion, since the installer (falsely) reports that AirPort Utility 5.6 is incompatible with Mac OS X 10.8.

But while you can force AirPort Utility 5.6 to install on Mountain Lion, there’s no guarantee that the app will continue to work on OS X 10.9 Mavericks or beyond. So if you want to find the IP addresses of other devices connected directly to your base station, you might prefer another option.

There are several.

In Terminal, you can use the arp -na command, which will list out devices it finds using the address resolution protocol. You won’t necessarily see friendly names for the devices it finds, but you’ll at least get a list of all the local IP addresses in use that it discovers.

You can also turn to multiple third-party apps. One such app, iNet, is available on the Mac App Store. There are iOS apps for the same purpose, like the free Fing and the $3 LAN Scan.

Those apps will, if possible, list off friendlier device names (in addition to IP addresses) than arp -na offers.

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Unlock an iOS device with a Bluetooth keyboard iOS devices

When you lock your iPhone or iPad with a passcode, the general process for using your device is that you hit the sleep/wake button or the Home button, slide to unlock, and then tap in your passcode. But, as our old friend David Chartier pointed out at Finer Things, you can skip a step if you use an external Bluetooth keyboard.

Presuming your keyboard is already paired to the iOS device, you don't even need to touch the iPad or iPhone at all to unlock it. Press a key on your keyboard to wake the device up, and then typing in your passcode. The iOS device understands what you're trying to do, and jumps to the passcode entry screen automatically.

Once you finish typing in your code, your iOS device is unlocked and ready to go.

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Add full screen mode support to apps lacking it System 10.8
Some applications will never get full screen support. Here's a workaround.

1. Install SIMBL, http://www.culater.net/software/SIMBL/SIMBL.php.

2. Install Maximizer, http://chpwn.com/apps/maximizer.html.

3. Optional, but recommended step. Maximizer breaks full screen in some applications that already support it. To add it on a per application-basis edit SIMBLTargetApplications key from '/Library/Application Support/SIMBL/Plugins/Maximizer.bundle/Contents/Info.plist' by appending entries like explained at http://code.google.com/p/simbl/wiki/Tutorial, no. 3.

Example for TextEdit.

<key>SIMBLTargetApplications</key>
	<array>
		<dict>
			<key>BundleIdentifier</key>
			<string>com.apple.TextEdit</string>
			<key>MaxBundleVersion</key>
			<string>*</string>
			<key>MinBundleVersion</key>
			<string>*</string>
		</dict>
	</array>
Use the following applescript as a trigger with shortcut ⌃⌘F and scope per application(s) in Quicksilver (http://qsapp.com) or use a hotkey application, to enable/disable full screen mode.

tell application "System Events" to tell (first process whose frontmost is true)
	delay 0.05 -- tweak it as necessary
	if front window exists then
		tell front window
			if value of attribute "AXFullScreen" then
				set value of attribute "AXFullScreen" to false
			else
				set value of attribute "AXFullScreen" to true
			end if
		end tell
	end if
end tell
Lex adds: I haven't tested this one.
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Tell Siri who's who: "Jason Snell is my boss" iOS devices
You know all the different tasks Siri can help you accomplish with your recent iPhone, iPad, or iPod touch. But perhaps you didn't realize you can teach Siri to help you save even more time when use the assistant for certain tasks.

I frequently use Siri to place calls to, or send iMessages to, my wife. She's one of two Lauren's in my address book; specifying to my iPhone each time that I'd like it to "Call Lauren Friedman's iPhone" would quickly grow tiresome.

Instead, I taught Siri who Lauren is: I triggered Siri, and then said, "Lauren Friedman is my wife." Siri then asked me if if I wanted it to remember that fact; I unsurprisingly responded in the affirmative.

Because I've done that, I can now tell Siri "Call my wife" or "iMessage my wife that I'm on my way home."

And you can use a lot more than spousal relationships. Siri knows that Jason Snell is my boss, Dan Miller is my editor, and Dan Moren is my mentor. You can use pretty much any noun, in fact. Siri can identify my in-laws, my parents, my siblings, and even my landscaper by those nicknames. Just hold down the Home button, announce that "[Person in my contacts] is my [noun of your choosing]," and Siri gets the picture.

Fun bonus fact: Siri treats husbands and wives as interchangeable: If you set your wife with Siri, and then ask Siri to call your husband, you'll reach the same person either way.
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Hide TextEdit's ruler by default Apps

If, like me, you wish that TextEdit did not show its ruler by default, this hint is for you.

TextEdit displays the ruler by default when creating or opening rich text documents. I find the ruler visually cluttering and distracting, and I rarely ever need it.

Unfortunately, TextEdit does not offer a way to turn off the ruler by default in its Preferences window. But it can be done using the following simple steps:

  1. Quit TextEdit if it is running.
  2. Enter the following command into a Terminal window: defaults write com.apple.TextEdit ShowRuler 0
  3. Open TextEdit.
  4. Enjoy increased visual and mental tranquility.

You can always show the ruler if you need it for something by pressing ⌘R or choosing Format > Text > Show Ruler from TextEdit's menus.

To revert TextEdit to its default setting, repeat steps 1 to 3 above, but use this command in Terminal instead: defaults delete com.apple.TextEdit ShowRuler

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Access dozens of awesome high-res screen saver images on your Mac for desktop backgrounds Apps
As first pointed out by OS X Daily, Mountain Lion's built-in screen savers cycle through a couple dozen awesome photos, across several categories, with images of space, nature, and more. The images are huge—and thus make great desktop backgrounds.

To find the images, use the Go To Folder command in the Finder (from the Go menu) and navigate here:

/System/Library/Frameworks/ScreenSaver.Framework/Versions/A/Resources/Default Collections/

There, you'll find four folders full of high-resolution imagery. You can copy them elsewhere, or even access the images from right where they are. Simply fire up the Desktop & Screen Saver preference pane, click the Plus (+) icon at the left, and add the folders—or individual images—as desired.
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Split WordPress XML files for upload to servers Internet
I've been doing some work on my website, Kirkville, changing to a new theme. In order to test the theme, I set up a staging server, and wanted to import my existing posts, comments, etc. so I could fiddle with the new theme.

I'm not SQL-savvy, so it seemed the best bet was to use WordPress's export/import feature, through its wordpress-importer plugin. This requires exporting an XML file of the WordPress content from the current server, then importing it on the staging server. Unfortunately, I was hit by that problem where my hosting company has uploads limited to 8 MB, and my WordPress XML file was 10.9 MB.

When I went looking for solutions, I found a number of posts on the WordPress forum suggesting splitting the XML file. I wasn't sure how to do this safely, but found a free Mac utility called WXR Splitter. Running this tool, I split the XML file into two pieces, with a maximum of 6 MB each. I was able to upload the XML file, and get to work with my new theme.
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Open new tab in Safari on the left Web Browsers
This script opens a new Safari window if none is open, maximizes the front window if minimized, and opens a new focused tab on the left with your bookmarks, with the text caret in the address bar.

I Googled for such a script to no avail so I made it myself. Bound it to ⌘T and scope Safari in Quıcĸsıɩⅴεʀ (of course you're using Quıcĸsıɩⅴεʀ, what else?) or any other lesser hotkey application. You can still use New Tab menu item to open tabs on the right by changing the shortcut in the Keyboard Shortcuts section of System Preferences, say to ⇧⌘T.

If you open bookmarks:// you may notice a flicker when setting the focus on the first tab. It may be due to the applescript command used — if you find a better method put it in the comments. Also, I used clicking "Open Location…" instead of setting the "AXFocused" attribute because the item hierarchy changes when in full screen mode.

tell application "Safari"
	if windows is {} then
		make new document
	else
		tell first window
			if miniaturized then
				set miniaturized to false
				make new tab at beginning with properties {URL:"bookmarks://"}
				set current tab to first tab
				tell application "System Events" to tell process "Safari" to tell menu bar 1 to tell menu bar item "File" to tell menu 1 to click menu item "Open Location…"
			else
				make new tab at beginning with properties {URL:"bookmarks://"}
				set current tab to first tab
				tell application "System Events" to tell process "Safari" to tell menu bar 1 to tell menu bar item "File" to tell menu 1 to click menu item "Open Location…"
			end if
		end tell
	end if
end tell
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Make a UTC Dashboard clock widget Desktop
The OS X Dashboard doesn't include a Clock widget specifically for GMT/UTC (Universal Coordinated Time). Even if you try choosing London, which is usually GMT, it doesn't always match UTC—since London observes daylight savings time.

If you would like to have a clock that always shows the current UTC time, a good option is to use Freetown in Africa. They use UTC+00:00, and don't ever change throughout the year.
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Fix OS X wrongly reporting an application is corrupted (OSStatus error 99999) System 10.8
OS X stopped letting me install any software not coming from Apple. I wanted to update some software, and instead of seeing the "Quarantine Dialog" box telling that the software was just downloaded from Internet, I got a dialog box telling me that the software was corrupted.

In fact, it was not corrupted—I could use it on another Mac. The issue wasn't affecting Apple software, only third-party apps. Only by setting the "Anywhere" setting in System Preferences -> Security for installing apps could I install software again. But I didn't want to use that setting.

Looking in the Console, I saw error 99999 from CoreServiceUIagent when I tried to install software.

CoreServicesUIAgent[2105]: Error SecAssessmentCreate: L’opération n’a pas pu s’achever. (OSStatus erreur 99999).


After some research and help from Apple I found that a specific file's corruption was the source of my woes.

A way to confirm that you are this weird situation is to use the SecAssessment system policy security command line utility on a system file e.g. the ls command

$spctl --assess --verbose --raw /bin/ls

the result of this command is normally
$spctl --assess --verbose --raw /bin/ls
/bin/ls: accepted

and a dump of xml properties

in my case the output was
$spctl --assess --verbose --raw /bin/ls
/bin/ls: unknown error 99999=1869f

showing the 99999 error

The SystemPolicy got corrupted somehow. Fortunately there is a default database that you can restore.

Use this command (you need to be admin)
$ sudo cp /var/db/.SystemPolicy-default /var/db/SystemPolicy
and reboot; that will restore the ability to install software, and is likely to restore things back to normal.

You may then see an occasional security dialog box coming back again asking confirmation to run a software that you previously authorized, but this is the only drawback to resetting that database.
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