You can now check your iPhone’s data usage on the AT&T network, but the ability to do so is aimed at helping users select a reduced data consumption plan rather than just providing an interesting service to subscribers.

Checking your iPhone or iPad data usage

To quickly check iPhone data use, dial *3282# (translates to *DATA#) and you will get a free text message with information about current data consumption. This works fine on the iPhone but won’t work on the iPad because it doesn’t have the phone capabilities, so you’ll want to use the method below instead.

To check your iPhone or iPad wireless data usage:
* Go to the AT&T wireless site
* Login with your wireless info
* From the Account Summary page click on ‘View Past Data Usage’
* You’ll be able to see a graph of data usage, select dates or go with the 6 month default

The usage graph is intended to make it easier to determine which of the new data plans you’ll need for your iPhone.

New wireless data plans from AT&T

Here are the new AT&T iPhone Data plans, they start on June 7th (iPhone 4 availability starts June 24):

* Data Plus – 200MB of data for $15/month. Additional 200MB costs another $15
* DataPro – 2GB of data for $25/month. Additional 1 GB of data is $10
* Tethering – Requires DataPro, plus an additional $20/month

It looks like the $30/month unlimited data plan is a thing of the past, and I imagine once the existing iPhone contracts are up users will be pushed into one of the set data plans. Those who bought the 3G iPad aren’t immune from the changes either, the unlimited iPad data plan looks to be going extinct as well. Directly from AT&T:

For new iPad customers, the $25 per month 2 GB plan will replace the existing $29.99 unlimited plan. iPad customers will continue to pre-pay for their wireless data plan and no contract is required. Existing iPad customers who have the $29.99 per month unlimited plan can keep that plan or switch to the new $25 per month plan with 2 GB of data.

You can see the full press release from AT&T that has more info on each new data plan.

If you have an existing unlimited data plan with AT&T you can likely renew the contract and get a new phone, but be sure to look at your contract and check iPhone 4 upgrade eligibility.

Did you know you can broadcast IRC-style notification commands in Messages for Mac? Indeed you can, even with Messages in modern MacOS releases.

This fun trick was originally discovered with iChat (back when Messages was known as iChat, remember that?) and it’s fair to say that many people never knew about the uses of an IRC like command to broadcast a notification type of message…

Here’s how it works:

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Spyware is generally something you don’t have to worry about on the Mac, but TheLoop is reporting that a company named ‘7art-screensavers’ is releasing malware on the Mac platform with a series of free screensaver downloads. Apparently the screensavers themselves do not include the spyware, but they attempt to download and install the “OSX/OpinionSpy” app during the screensaver installation process. TheLoop describes the spyware behavior as follows:
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Finding the numerical IP address of a website or domain URL is pretty easy. We’ll use a terminal utility called nslookup, the command can be used to discover whatever domain resolves to a specific IP. This works for Macs with OS X but also in other unix varieties and even Windows DOS prompt too.

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When you have extended information displayed under icons with the Finder from the ‘show item info’ Finder preference, you’ll occasionally run into an annoying truncation with used and available disk space.

While one easy solution to this is to expand the spacing to show the full file names of Mac desktop items (the recommended method), there’s another approach for Mac users who are adventurous and advanced enough to edit system files comfortably.

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I came across this quote which I think summarizes quite well why the iPhone is such a great device:

“If there’s a single feature that elevates the iPhone from the rest of the pack, it’s the way that it urges and enables me to maximize the amount of time I spend thinking and doing and creating, each and every day. I’ve got ten minutes while I wait for a burger to arrive, three minutes at the post office while as a clerk explains the concept of a “forever stamp” to the unenlightened, six minutes waiting in the subway…it all adds up. I leave the house with my iPhone in my pocket, and I come home with new photos, new drawings, a few tiny things written, many pages of books read, and a better sense of the news of the day.

I accomplished (okay, “accomplished”) all of that in crumbs of time that otherwise would have gone to waste. I don’t get that sort of effect from other phones…”

I couldn’t agree more. What other device can you carry around in your pocket and do so much with so easily? The iPad is too big for a pocket, the iPod Touch isn’t connected enough, and any other cell phone doesn’t even come close. This is why the iPhone is so great.

[ Quote from Ihnatko via Marco ]

I’ve always been a fan of the Mac Mini, a powerful machine in truly tiny form factor. Here’s a particularly awesome Mac Mini setup, with dual displays being powered using both the Mini-DVI to DVI adapter and a Mini DisplayPort to DVI Adapter ports. I didn’t know you could drive dual monitors on a Mac Mini using that method, but here’s proof that you can!

[ via Flickr ]

The Google Chrome browser is an excellent choice, because not only is it fast and powerful, but it sandboxes Flash to prevent the plugin from going totally nuts, and it offers tons of customization options.

If you’re an avid Chrome user, you likely would appreciate using Chrome in full screen mode, and fortunately, you can do just that.

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I’m kind of annoyed when I click a web link and it happens to be an iTunes Store link… iTunes then opens and it takes me out of my browser. I searched around for an easy solution and came across a method that reliably stops iTunes from launching when an iTunes App Store or Music Store link is clicked from a web browser.

If you don’t want iTunes links opening the application from the web, you are not alone, so we have published a nice how-to guide on preventing iTunes from launching every time you click on any iTunes web link.
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Code completion is one of the more useful features when you’re developing since it allows you to write code faster. While Code completion should be activated by default in newer versions of Xcode, it’s easy to enable and use if it isn’t. You can also improve the usability of Xcode’s code completion with a great third party plugin, skip to the bottom of the article for that.

Enable code completion in Xcode

* Within Xcode, go to Preferences
* Click on the “Code Sense” icon
* Look for the “Code Completion” section and select ‘Immediate’ from the “Automatically Suggest” drop down menu
* Click “OK”

Using Code completion in Xcode

Once enabled, Xcode will now offer code completion based on what you have typed and offer suggestions for completing the syntax.
* You accept the code suggestion by pressing the Tab key or Return
* You can see a full list of completion suggestions by hitting the Escape key

It’s interesting to note that Apple says Code completion is disabled by default, but in newer versions of Xcode it seems to be enabled by default instead.

Improve Xcode code completion with Auto Assistant plugin

Code completion isn’t perfect in Xcode, but that doesn’t mean there aren’t solutions from third parties. A very helpful Xcode plugin for developers is called Xcode Auto Assistant, and it offers the ability to popup the completion list automatically, all the time, when a character it recognizes is entered. The behavior then becomes closer to how things like Coda, BBedit, Espresso, etc handle code completion. The plugin is a lot more consistent than what Apple offers by default, although I wouldn’t be surprised if this is changed soon with an update to Xcode. Until Apple adjusts the behavior, you can download the plugin from Google Code here.

After you download the Auto Assistant plugin, you’ll need to drop the plugin into the following directory:
~/Library/Application Support/Developer/Shared/Xcode/Plug-ins If /Plug-ins/ does not exist, just create the directory. Relaunch Xcode and the plugin is installed and works immediately.

The networksetup utility allows you to join any available network, whether or not it is a router connected through Ethernet, a wi-fi router that is or is not broadcasting an SSID, and whether or not it has any password encryption required.

Since most networking is done with wireless communications these days, we’ll focus on joining to wi-fi through the command line of OS X with networksetup utility.
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Who would have guessed that by adding a little bit of velcro to your iPad it would become so versatile? The video is a bit goofy, but I have to admit using some velcro to mount an iPad onto your car dash or wall is a brilliantly cheap and easy way to get your iPad anywhere. Of course the downside is that your iPad will have velcro stuck to the back of it when it’s removed.

If you want to do this yourself, you can buy velcro strips on Amazon for around $9.

The popular first-person shooter/action game Half-Life 2 is now available for Mac OS X. At the moment it costs $6.99, which is 30% off the regular $10 price. The expansions of Half-Life 2: Episodes One and Two are also available to download for $5.99 each.

System requirements for running Half Life 2 on your Mac are pretty similar to other Steam games:
* Mac OS X 10.5.8 or 10.6.3 or later
* 1GB of RAM
* NVidia GeForce 8, ATI X1600, or better
* Mouse, keyboard, internet connection

You can check out Half-Life 2 at the Steam store and download it from the Steam client. If you’re a fan of the Half-Life 2 series and Team Fortress 2, it’s worth getting the Orange Box set which includes the expansions and Portal, although TF2 isn’t released for the Mac yet (Steam says “Coming soon”).

You can instantly open anything in fullscreen Quick Look mode by selecting the item and then hitting the Command+Option+Y keys. If you select multiple files and enter into fullscreen mode, it’s easy to navigate between them by using the arrow keys. You can then exit full screen mode by hitting the escape key.

As a few commenters pointed out, you can also just hit Option+Spacebar to get the same effect.

Whether you’re an active or aspiring iPhone or iPad developer, you’ll really appreciate these nice PSD files from design agency Teehan+Lax. They contain well organized layered images of essential GUI elements of the iPhone OS, sized accordingly to the iPad and iPhone (depending on which PSD file you get, of course). Using these documents with Photoshop you can just open one of the PSD’s and arrange elements around to make a quick GUI mockup for your app idea. There’s also an Adobe Illustrator sketch file for iPhone elements if Photoshop isn’t your thing.

I’d highly recommend downloading all three of these files, they really help to quickly create layouts and mockups for iPhone and iPad app GUI’s. The SDK’s Interface Builder app may be foreign to you or your GUI designer, but these files will be a lot closer to the typical Adobe comfort zone.

Download iPad GUI PSD now

Download iPhone GUI PSD now

Download iPhone Sketch Elements AI now

And if you’re a iPhone OS developer, don’t forget to check out Apple’s official Human Interface Guidelines and Teehan+Lax’s blog either.

MagicPrefs is an amazing free utility for Mac that dramatically improves the functionality of your multi-touch Magic Mouse. Other than allowing for increased control over the touch sensitivity and tracking speed, you get practically full access to the multi-touch capabilities of the device.

With MagicPrefs you can bind various gestures, swipes, pinches, and taps to different functions.
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iTunes can adjust the volume levels of your music for you, so that each song is closer to one another in volume output. This is a great feature, and it has always peeved me that some songs will play louder than others, and a playlist can quickly go from one moderately loud song to one that is either extremely quiet, or over-amped and crackly sounding.

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Cyberduck is a great free FTP client for Mac OS X, but on my portable Mac’s 13″ screen the Growl popup notifications really drive me crazy as they appear on each server connection and transfer completion. Oddly enough, if you look around in the Cyberduck preferences, you won’t find an option to disable the Growl notifications, and this has to be done through the command line instead.

To disable the popup Growl notifications in Cyberduck, type the following command:

defaults write ch.sudo.cyberduck growl.enable false

You can reverse this and get the Growl popup notifications back by typing:

defaults write ch.sudo.cyberduck growl.enable true

Continue to enjoy Cyberduck, with or without Growl notifications!

Update: As several readers pointed out, you can also just disable Growl notifications within the System Preferences on a per app basis.