Mozilla publishes name and shame list of slow Firefox add-ons, cracks down on tardy devs

Firefox slow-addons list
Mozilla, continuing its year-long crusade to speed up Firefox startup and shutdown times, has published a name and shame list of the Firefox's slowest add-ons.

The list is just one part of Mozilla's new efforts to highlight slow add-ons, and to help developers make their add-ons more efficient. Over the next two weeks, 'slow performance warnings' will be introduced in the add-on gallery so that users can see, before installation, which add-ons will slow down their browser. If that isn't enough to spur developers into cleaning up their add-ons, Mozilla has also begun reaching out to developers of slow add-ons with tips on how to improve add-on performance. Finally, add-on developers will soon have the ability to perform 'on-demand performance testing,' so that they can test their add-on before it's deployed publicly.

Mozilla reports that the average Firefox add-on slows down Firefox's start-up time by 10% -- which means, if you install 10 add-ons, you will double your start-up time. On fast desktop PCs that kind of slowdown might be negligible, but on older computers, laptops and smartphones, it could be the difference between a 5 and 10 second startup. Mozilla has obviously realized that while massive performance gains might've been made with Firefox 4, the addition of third-party add-ons can destroy any user-perceived improvements.

In other news, Mozilla says that a future build of Firefox will block the installation of add-ons (such as toolbars) by third-party software. Add-ons and toolbars that are bundled in this way will require explicit approval when you next open up Firefox. Hooray!

Mozilla publishes name and shame list of slow Firefox add-ons, cracks down on tardy devs originally appeared on Download Squad on Mon, 04 Apr 2011 05:15:00 EST. Please see our terms for use of feeds.

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Source: http://downloadsquad.switched.com/2011/04/04/mozilla-publishes-name-and-shame-list-of-slow-firefox-add-ons/

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Samsung Galaxy Tab 2 unveiled, runs ICS on a 7-inch display

Android Central

Samsung has taken the wraps off yet another tablet, this time running the latest version of Android -- Ice Cream Sandwich. The Galaxy Tab 2 has a 7-inch form factor similar to the Galaxy Tab 7 Plus, and the spec sheet shows similar internals, too.

The Tab 2 is powered by a 1GHz dual-core CPU, along with 1GB of RAM, and packs a 7-inch, 1024x600 display. As we said, the main attraction is Android 4.0 Ice Cream Sandwich, which makes the Tab 2 the first Samsung tablet to run the latest version of the OS. Other specs include a 3MP camera on the back and a VGA front-facer, optional 3G/HSPA connectivity, 8/16/32GB of internal storage and a microSD card slot. Like the original 7-inch Galaxy Tab, the Tab 2 offers voice calling capability, too.

So this appears to be a budget tablet offering from Samsung, and we'd expect to see it priced as such. What's a little strage, however, is that Samsung already has a 7-inch tablet that's almost identical to the Tab 2 -- the Galaxy Tab 7.0 Plus. Design aside, the only differences lie in CPU speed and OS -- the Tab 7 Plus runs Honeycomb on an Exynos chip. So we have to wonder where this product fits in Samsung's increasingly crowded tablet line-up.

In any case, if the price is right, it looks like this could be a decent 7-inch tab for mid-range buyers. We've got the the full press release after the jump.

Source: Samsung
More: Samsung Galaxy Tab 2 Specs; Galaxy Tab 2 forums

read more

Source: http://feedproxy.google.com/~r/androidcentral/~3/ts7bQUC5DzA/story01.htm

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Google Chrome now uses SPDY HTTP replacement, halves page load time

SPDY in Google Chrome
We're not entirely sure of the time line here, but it looks like Google has now rolled out the SPDY HTTP replacement to its full bevy of Web services, including Gmail, Docs, and YouTube. If you're currently using Google's Chrome browser you're probably already using SPDY.

We originally reported on SPDY way back in November 2009, when Google introduced it as yet another experiment in making the Web faster, like Go, Native Client and speculative pre-connections. Over the last 18 months, though, SPDY support has found its way into the stable build of Chrome.

SPDY is basically a streamlined and more efficient version of HTTP. At its most basic, SPDY introduces parallel, multiplexed streams over a single TCP connection -- but at the same time, SPDY allows for prioritization, so that vital content (HTML) can be sent before periphery content (JavaScript, video). All in all, the SPDY protocol can halve page load times, which is obviously rather significant.

The best bit, though, is that SPDY is an open-source project. HTTP 1.1 is a lumbering beast that needs to be replaced before low-latency real-time computing really becomes a reality, and SPDY is one of the best options currently on the table. To be honest, we're not sure why SPDY hasn't received more coverage -- it's awesome in every way. At the moment, though, the only way to help speed up SPDY's proliferation, is with an experimental Apache mod.

As far as actually 'trying it out,' your best bet is downloading Chrome, hitting up some Google sites, and then checking chrome://net-internals to see your active SPDY sessions. SPDY is a transparent replacement for HTTP, though, and as such it's rather hard to see its effects. Google's sites definitely feel fast in Chrome, but there are more technologies than just SPDY at work.

Google Chrome now uses SPDY HTTP replacement, halves page load time originally appeared on Download Squad on Mon, 11 Apr 2011 07:00:00 EST. Please see our terms for use of feeds.

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Source: http://downloadsquad.switched.com/2011/04/11/google-chrome-now-uses-spdy-http-replacement-halves-page-load-t/

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Altaro Hyper-V Backup beta launched, only 250 places available

hyper-vbackupbeta
This one's for the sysadmins in the audience: Altaro, makers of our favorite "time machine for Windows" back solution, OopsBackup, have just announced a new product entering beta called Hyper-V Backup.

It's a backup solution for virtual machines running on Microsoft's Hyper-V virtualization solution. If that sentence just seemed like a bunch of buzzwords crammed together, Hyper-V backup is not for you. But, if you actually use Hyper-V and are hankering for a good backup solution, Altaro might be worth checking out.

The beta run is limited - Altaro are looking for just 250 testers. All participants will get a free license key to the final, production version. So if you're interested in helping test Hyper-V Backup, get yourself over to Altaro now and join the beta.

Altaro Hyper-V Backup beta launched, only 250 places available originally appeared on Download Squad on Wed, 02 Mar 2011 05:00:00 EST. Please see our terms for use of feeds.

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Source: http://downloadsquad.switched.com/2011/03/02/altaro-hyper-v-backup-beta-launched-only-250-places-available/

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Konstruct for iOS creates generative augmented reality art with your voice

Konstruct generative augmented reality art for iOS
If you have an artistic temperament, but you weren't blessed with steady hands or an eye for color, Konstruct might be the app for you. Not only does the iPhone app let you produce generative art using words, warbles and whistles, but it also uses augmented reality to bring your artistic creation to life.

To get started, you first need to print out the Konstruct marker and place it wherever you'd like to create your AR sculpture -- it could be on your living room wall, or on the floor of your bathroom, it doesn't matter. Open the app, point your iPhone at the marker, and start making some noises! Once you're done, you can save your creation, or simply wipe the slate clean and start again.

The volume of your voice affects the size of the shapes that are drawn on the screen, and you can move your head around to alter the path of your 'brush' -- but to change the shape of your brush or modify the color palette you have to use a menu. Without knowledge of the app's internal workings, it's hard to say what the actual difference between whistling, talking and singing is -- and judging by the developer's affinity for whistling in the demo video (after the break), the app probably doesn't perform that much analysis on your input.

Still, Konstruct is just a prototype! A later version could do away with menus and rely entirely on the location, tonality, quality and amplitude of your voice -- and judging by the the words of the developer, James Alliban, there is definitely more in store for Konstruct: "The idea of transforming entire cities into user generated virtual art galleries really appeals to me. I see Konstruct as an early prototype that will hopefully be realised in this form in the future."

Download Konstruct for free from the App Store (iPhone 3GS and 4 only)

[Thanks to Richard for the tip!]

Continue reading Konstruct for iOS creates generative augmented reality art with your voice

Konstruct for iOS creates generative augmented reality art with your voice originally appeared on Download Squad on Tue, 05 Apr 2011 12:30:00 EST. Please see our terms for use of feeds.

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Source: http://downloadsquad.switched.com/2011/04/05/konstruct-for-ios-creates-generative-augmented-reality-art-with/

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Price Could Be the Next iPad Event's Biggest Surprise

When Apple will pull the wraps off the iPad 3 has been a subject of speculation for months, but the latest prediction -- that it will be introduced during the first week in March -- appears to be gaining street cred fast. An Apple event will take place the first week in March -- which only has two business days in it -- and probably be held at the Yerba Buena Center for the Arts in San Francisco, according to a Thursday report.

Source: http://www.technewsworld.com/rsstory/74395.html

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Color vulnerable to simple GPS hack, lets you spy on anyone, anywhere

Color, the $41-million-in-funding location-oriented photo sharing startup, is susceptible to simple GPS spoofing. With nothing more than a jailbroken iPad or iPhone, you can use FakeLocation to trick Color into thinking you're somewhere else. Within seconds you can be browsing photos that were snapped thousands of miles away. With a little digging, you can pore through photos not intended for your eyes.

Of course, such a hack isn't illegal as such -- every photo you take with Color is public. With FakeLocation you are simply circumventing Color's very limited location-oriented security mechanism. It does undermine Color's usefulness (and uniqueness), though -- if nefarious types can sit in their bedroom or basement and eavesdrop on classy dinner parties and wild night club soirees, people might be less inclined to share personal photos with those around them.

Fortunately, both for Color and its users, this is an easy security hole to plug -- at least in the short term. The app (or server-side) code simply checks to see if the user has 'teleported' an impossibly large distance, without any intermediate steps in between. In the long term, though, Color's users must be aware that its social graph is completely public. Color's users must realize that every photo they upload is visible by anyone, from any place.

After the break, just to elucidate a little on Color's actual business model and ultimate intention, we have two amazing quotes from Bill Nguyen, Color's founder.

Continue reading Color vulnerable to simple GPS hack, lets you spy on anyone, anywhere

Color vulnerable to simple GPS hack, lets you spy on anyone, anywhere originally appeared on Download Squad on Tue, 29 Mar 2011 05:36:00 EST. Please see our terms for use of feeds.

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Source: http://downloadsquad.switched.com/2011/03/29/color-vulnerable-to-simple-gps-hack-lets-you-spy-on-anyone-any/

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iPad Case Keyboard ? Your Best Bet

When it comes to making sure that you are getting the most out of your tablet, specifically the Apple iPad, you are going to have to look into getting a keyboard. That?s right, you need to make sure that you are getting a full iPad case keyboard so that you not only have a full work studio with your portable device, but you are also accurate in your dealings. For those that are looking to have a full work suite [...]

Source: http://tabletbuzzblog.com/ipad-case-keyboard-your-best-bet/

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Facebook Already Knows What You'll Be Listening to the Next Time You Get Dumped [Facebook]

Facebook knows when you've met someone and it knows when you break up. We tell Facebook these things. For some, a relationship doesn't officially start until it's reflected in the Relationship field on Facebook, and it's not really over until Facebook says it is. More »


Source: http://feeds.gawker.com/~r/gizmodo/full/~3/WHknDUv9vmM/facebook-already-knows-what-youll-be-listening-to-the-next-time-you-get-dumped

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