You can see a visual preview of a folders contents by enabling a hidden Quick Look feature. This is a rather nice eye candy improvement but I’m not sure that it’s use goes much further beyond that, see the above screenshot and try it out yourself to judge. To enable the Quick Look X-Ray folders, launch the Terminal and type:

defaults write com.apple.finder QLEnableXRayFolders 1

You may need to kill the Finder for the changes to take affect, although in Mac OS X 10.6 the next time I used Quick Look the feature was enabled.

to disable the Quick Look X-Ray folders, type this:

defaults write com.apple.finder QLEnableXRayFolders 0

[ via MacOSXHints ]

Looking for a PS2 Emulator for Mac OS X? Look no further then PCSX2, a full blown PS2 emulator for Mac OS X that works surprisingly well. I say surprising because it seems development work is a little infrequent and there are some features left to be desired, but it certainly works and the frame rate is pretty high on my MacBook. Finally, I can play all my favorite PS2 RPG’s right in Mac OS X! You can download it for free at the Developer home or just jump to Download now. You may want to check to see if newer versions are available, but as I mentioned, development is seemingly sparse. Enjoy!

Have an iPhone 3gs that you want to jailbreak? You’re in luck! iPhone 3GS owners should be happy now that they can easily jailbreak the 3GS with the new PwnageTool, but… according to the iPhone Dev Team:

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Blackberry owners can finally sync their Blackberry handhelds with their Mac using official software, apparently it’s fast and easy to use, so if you have a Blackberry, sync it to your Mac and check this out!
Download here

You can use QuickLook from inside ‘Open File’ dialogue boxes in any application! Try it out yourself, go to File -> Open File and hit the Spacebar (or whatever hot-key you assigned QuickLook) on an image or text file, and like magic QuickLook opens the file in preview mode so that you can be sure you are opening the correct file! As far as I know this is new to Snow Leopard, but what a cool feature!

Are you a traveler and flying on an airplane with your iPhone? Then this tip is for you!

You can selectively enable WiFi access while your iPhone is in Airplane Mode, meaning you can use a flights wireless internet service without the cell phone itself being turned on.

This is really handy since many flights are starting to have inflight wireless access, but in much of the world cellular use on airplanes is banned. That’s where this tip comes in, you can turn off your iPhone cellular modem but enable wi-fi, thereby allowing you to use the airplane flight wi-fi service but without using the cellular capability of the iPhone. Sound good? If you’re a traveler, of course it does!

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OK this is a little random, but I came across one of those cute animals sites today that featured of all things… Dogs with Macs! If you don’t like dogs, well, just ignore this post, but dogs love Macs too!

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Quick Look is one of the many Mac OS X features that make my OS choice cemented, I use it so often that I simply can’t live without it, and here’s a tip that I’ve been using a lot lately.

If you want to create an instant slideshow of images, simply select multiple images in a Finder window, and then hit Command-Option-Y to launch them into a full screen Quick Look mode. Now just press play, sit back, and enjoy!

Alternatively, you can hit the Spacebar to quickly enter Quick Look, and then manually select the Full Screen button, but the keyboard shortcut is much faster method. This is a really underused feature of OS X and deserves to get some use by anyone who frequently browses through images or just wants to show off some pictures to another party without any desktop clutter or launching additional apps.

In what may be the boldest claim ever to hit iTunes users, what is said to be the best iTunes equalizer settings have surfaced on the internet. Now that is quite a proclamation obviously, but after seeing the bold statement, I gave the suggested settings a try with the iTunes equalizer, played some music, and it sounds really good!

The included image shows the so-called best iTunes Equalizer settings as follows:

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Stacks are what list items and folders turn into when pulled into the Dock of OS X. There are several views for Stacks, like a grid, or a fan, or a list in modern OS X versions. But with a little secret defaults string, a list view can be enabled in prior releases of OS X too.

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Recently the LAN at my office had been running slower than usual, and I couldn’t pinpoint what was using up all the extra bandwidth. I had a suspicion that P2P traffic was to blame but I just couldn’t see anything obvious on the offending machine. So the question of course, is how do you see what processes are connecting to the internet or the outside world from Mac OS X?

Using the lsof command line tool, we can pass the -i argument to list only the active and open internet connections on our Macs, and we can find out if there’s anything peculiar (or in my case, something hidden) going on and connecting to an outside address, and, this command will also show you what the process ID is of the offending application or task, so that we can kill it and stop the activity if desired.

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There’s several ways to send free SMS text messages, here’s the best ways I know of to send free texts from the computer, using either the AIM protocol (with iChat or Adium), Google’s GTalk within Gmail, and finally a free website known as GizmoSMS.

When using any of these methods, keep in mind the SMS messages may be free for you to send, but they are not necessarily free text messages for the other person to receive!
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After reading all the bad press for iPhone OS 3.1, I decided to hold out on upgrading, which means that I also can’t get MMS working, right? Wrong! The only thing you need to enable MMS on iPhone 3.0 (or 3.01) is the updated carrier file, which you can download from here. After you download the carrier file, type the following command in the terminal:

defaults write com.apple.iTunes carrier-testing -bool TRUE

Do this with iTunes closed. Then launch iTunes again, and select your iPhone, then ‘Restore’ while holding down the option key, navigating to the .ipcc file you just downloaded. The update will take a few seconds, and then all you need to do is reboot your iPhone for MMS to work with 3.0!

The Google Chrome for Mac is still very much in Beta, but the latest Dev Channel build is actually pretty decent for web browsing, while other features are still lacking, but overall it’s a great start and a cool new web browser.

One of the biggest advantages to Google Chrome is that each Browser Window or Tab is ‘sandboxed’, meaning if a website goes haywire and crashes, only that websites window or tab crashes and not the entire browser!

Safari has a similar feature for plugins but not for tabs, I’d bet that in time they will though.

Anyway check out the latest Dev Channel version of Google Chrome:

Developer home

Download now

There are two ways to enable the root super user account in Snow Leopard, the first is probably the quickest. Launch the Terminal and type the following command:

sudo passwd root

You’ll be asked for the admin password, then you’ll have to set a password for the root account. When you’re finished, the root account is now enabled.

The other way is through the GUI, which has changed for Snow Leopard because the “Directory Utility” application moved from the /Applications/Utilities folder to /System/Library/CoreServices

* Navigate to /System/Library/CoreServices
* Unlock the application by entering the admin password and clicking the padlock icon
* Go to the Edit menu and scroll down to “Enable root user”
* Now choose Edit and select “Change Root Password” , and set a password for the root user
* All done! root user is now enabled

Note that enabling the root account can potentially leave your Mac vulnerable to some security attacks, so it’s best to keep disabled unless you know what you’re doing.

If you want to quickly change your sound input device on a Mac, by far the fastest and simplest way to do so is to Option-Click the Sound menu icon at the top of your screen.

Option-clicking the sound icon menu bar item enables an alternate pull-down menu including a list of clearly labeled and named available input devices. From this menu, select your new input source, whether that’s an external microphone, bluetooth device, or whatever, and it will immediately be set as the universal input to the Mac.
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Backing up your iPhone text messages is made extremely easy thanks to a freeware utility called Syphone. Since the iPhone has a limited number of text messages it can store at any one time, Syphone allows you to backup all the text messages and read through the archived text messages yourself on your Mac in an easy to read iChat-like interface.

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In a move that has surprised many, Apple has decided to open source their multiprocessor task management technology known as Grand Central Dispatch. This comes as a surprise because the technology has barely gotten into the hands of customers through 10.6 Snow Leopard, and it’s widely considered to be a competitive advantage. So why would Apple release such a thing into the open source community? AppleInsider offers this possible explanation:

“Significant new outside interest in Grand Central Dispatch could result in a wider support base for building parallelism compatible with Apple’s other open technologies, such as OpenCL. The availability of the dispatcher on Linux and other Unix operating systems would also help generate demand for other command line utilities that tap into its power. That would help Apple leverage its technologies in markets where it has a minority position, such as in the enterprise and supercomputing.”

Grand Central Dispatch is not the only Apple technology to be open sourced however. The core technology behind the Safari webbrowser, known as WebKit, is also an open source project, which has led to the development of Google’s Chrome browser and other webkit-based browsers (which all tend to be lightning fast).

You can read more and poke around the source yourself at LibDispatch – Mac OS forge