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  • Location, Orientation, and Writing a Custom Control with Mono for Android, .NET, and C#

    - by Wallym
    Like real estate, mobile is about location, location, location. That means that direction is an important item. And just as important is how this information is presented to the user. In Nov. 2011, we talked about building a user interface in Mono For Android. In this article, I'll expand a little bit on that by creating a compass that displays north. We'll use Android's built-in sensor support to determine the orientation of the device, then use a custom control to display North. The output will look like

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  • 3D Printed Records Bring New Tunes to Iconic Fisher-Price Toy Player

    - by Jason Fitzpatrick
    Have an old toy Fisher-Price record player your kids aren’t exactly enamored with? Now, thanks to the miracle of 3D printing, you can create new records for it. Courtesy of Fred Murphy, this Instructables tutorial will guide you through the process of taking music and encoding it in a 3D printer file that will yield a tiny plastic record the Fisher-Prince record player can play. Check out the video above to see the finished product or hit up the link below to read the full tutorial. 3D Printing for the Fisher-Price Record Player [via Make] How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It

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  • How Many People Are In Space Right Now Tells You Just That

    - by Jason Fitzpatrick
    How Many People Are In Space Right Now is a web site with a very focused mission: to keep you abreast of just how many humans are currently exploring space. Like similar single-function sites–such as Is It Raining Now–How Many People Are In Space Right Now serves up the information with a simple interface, just the number and a link to which mission or program the space explorers are deployed under. We don’t know about you, but we’d certainly like to see the ratio of humans in space versus humans on Earth improve from the current one space explorer to several billion humans ratio. How Many People Are In Space Right Now [via Boing Boing] How to Factory Reset Your Android Phone or Tablet When It Won’t Boot Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode

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  • Cross Platform Data Access with Xamarin & C# For iPhone, iPad, and Android - Local, Web Services, & Sql Server

    - by Wallym
    The following is a link to cross platform data access training with Xamarin & C#.   It is intended for use on iPhone, iPad, and Android devices.  The course covers local data in Sqlite, calling Web Services via REST and JSON, and calling Sql Server. Url: http://www.learnnowonline.com/course/cpx2/xamarin-cross-platform-data-access/  Course Data  Applications live on data. These applications can vary from an online social network service, to a company’s internal database, to simple data, and all points in between. This Course will focus on how to easily access data on the device, communicate back and forth with a web service, and then finally to a SQL server database. Outline Local Data (27:36) Introduction (00:36) Problem (01:57) Solution (02:01) LINQ (02:03) LINQ Status (00:48) SQLite (02:18) SQLite - .Net Developers (00:50) SQLite-net (01:07) SQLite-net Attributes (02:10) Getting Started (01:09) CRUD (01:05) SQLite Platforms (01:17) Demo: SQLite – Android (04:53) Demo: SQLite – iOS (04:56) Summary (00:20) Web Services Data (32:43) Introduction (00:19) Async Commands (03:15) HttpClient (01:26) HTTP Verbs (01:29) Notes (00:58) GET Operation (01:37) JSON.NET (01:50) Images (01:16) Other Http Verbs (01:27) Post (03:18) Demo: Http – iOS prt1 (05:26) Demo: Http – iOS prt2 (05:28) Demo: Http – Android (04:20) Summary (00:27) Direct Data (12:33) Introduction (00:23) Remote Data - Direct (02:47) Sql Server (01:15) Demo: Sql Server – iOS (04:15) Demo: Sql Server – Android (01:49) "codepage 1252 not supported" (01:03) Other Resources (00:43) Summary (00:15) Note: Thanks to Frank Kreuger for his data access library Sqlite-Net.  It is very helpful and I have used it in some other projects beyond just this training session.

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  • Convert a Door Peephole Viewer into a Fisheye Camera Lens

    - by Jason Fitzpatrick
    Commercial fish eye lenses are a niche product and carry a hefty price tag; if you’re looking to goof around with fish eye photography on the cheap, this $6 tutorial is for you. Courtesy of Dave from Knobtop–a thrifty DIY photography video blog–this hack uses dirt cheap parts (the whole build is composed of a PVC pipe reducer and a door peephole lens) to bring you fun fish eye photography on a budget. Check out the video above to see the build and the results, then hit up the link below to check out the notes on the video for more information. Fisheye Lens for $6 [via DIY Photography] HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me? HTG Explains: How Windows 8′s Secure Boot Feature Works & What It Means for Linux

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  • Learning language is enough to create average applications ?

    - by Freshblood
    Many books teach a programming language. However, knowing a specific language is not the same as knowning application or GUI design nor project layout. So, attempting to make an average application fails after learning a language. It is clear that knowing a language is not enough to make an application. If you agree with what I have said, why doesn't anyone mention this instead of teaching pure language syntax and features? Why books don't mention how to make a better application ?

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  • Properly Label Your Dangerous Projects

    - by Jason Fitzpatrick
    In the pursuit of science, fun, and laser-fueled hijinks, we often undertake projects that really should be labeled more properly. Download this effective label to visually warn “No really, you’ll burn the house down”. Courtesy of Flattr at Thingiverse, you can grab a copy of the “Warning: Will Burn Your House Down” graphic in high resolution image formats suitable for silk screening, laser engraving, or plain old fashioned sign printing. Warning: Will Burn Your House Down [Thingiverse via Make] How To Encrypt Your Cloud-Based Drive with BoxcryptorHTG Explains: Photography with Film-Based CamerasHow to Clean Your Dirty Smartphone (Without Breaking Something)

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  • Bill Gates: How a Geek Changed the World [Video]

    - by Asian Angel
    Just before he stepped down from Microsoft, BBC2’s “The Money Programme” put together a special on Bill Gates and how he made the company into a money making machine. Those of you who love geek history will definitely enjoy this hour long documentary video. Bill Gates – How A Geek Changed The World [via FavBrowser] What is a Histogram, and How Can I Use it to Improve My Photos?How To Easily Access Your Home Network From Anywhere With DDNSHow To Recover After Your Email Password Is Compromised

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  • How to ‘Bounce’ Drops of Water on Top of a Pool of Water Indefinitely [Physics Video]

    - by Asian Angel
    Normally drops of water are automatically ‘absorbed’ into a larger pool of water when contact is made, but there is one way to stop those water drops from coalescing with the rest: vibration. This awesome video shows the process in action as drops of water remain on top of the pool of water and even form groups of drops! Drops on Drops on Drops Article [Physics Buzz Blog] Drops on Drops on Drops Video [YouTube] [via Neatorama] How Hackers Can Disguise Malicious Programs With Fake File Extensions Can Dust Actually Damage My Computer? What To Do If You Get a Virus on Your Computer

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  • OpenFilesView Displays All Open and Locked Files to Help Resolve In-Use Errors

    - by Jason Fitzpatrick
    Windows: You go to move a file and Windows throws up an “In Use” error. OpenFilesView shows you what application or system process is locking up the files you’re trying to move. Sometimes the culprit is obvious; if you go to move your media folder and you’ve got your media player open watching South Park then shutting down the media player is the obvious solution. Other times the culprit is less obvious; sometimes Windows processes and less-than-obvious applications are accessing your files in ways that aren’t apparent. The screenshot below showcases the “In Use” error: This is where OpenFilesView comes into play. Fire up the application to see a list of all active files on your system. The master list is a bit overwhelming (on our test system there were over 1200 open files) but you use the find command to drill down to specific file or folder names. Once you’ve found the locked file you can close the file handle, kill the process, or bring the process to the front (so you can examine the program, if possible, before terminating it). It’s much more efficient than rebooting in an attempt to shake the In-Use error. OpenFilesView is freeware and works on Windows XP through Windows 7. HTG Explains: Do You Really Need to Defrag Your PC? Use Amazon’s Barcode Scanner to Easily Buy Anything from Your Phone How To Migrate Windows 7 to a Solid State Drive

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  • Triggering custom events in AJAX callbacks

    - by Sabrina Gelbart
    I'm pretty new to JavaScript, but one of the things that's been frustrating is that our AJAX callbacks have been getting packed with different functionality, making it difficult to keep everything separated and organized. I'm really new to programming, I have a feeling learning MVC a bit more would help me, but for now using custom events seems like it could help me keep my code a lot cleaner and prevent some problems. Here's what I'm talking about: function myAjaxFunction(){ $.post('ajax/test.html', function(data) { $(document).trigger('testDataLoaded',data); }); } function myOtherFunctionThatsDependentUponAjax(){ $(document).one('testDataLoaded', function(data){ alert (data); } } I also don't know if it's ok that I'm triggering document or not... Are there any patterns that look like this that I can read more about? What are the potential problems with this?

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  • Game of Thrones Theme Played on Eight Floppy Drives [Video]

    - by Asian Angel
    YouTube user MrSolidSnake745 has put together a fun (and awesome) rendition of the ‘Game of Thrones’ theme using eight floppy drives. Game Of Thrones Theme on eight floppy drives [via Geeks are Sexy] HTG Explains: What The Windows Event Viewer Is and How You Can Use It HTG Explains: How Windows Uses The Task Scheduler for System Tasks HTG Explains: Why Do Hard Drives Show the Wrong Capacity in Windows?

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  • The Frustrations of Resetting Your Password Online [Video]

    - by Asian Angel
    We have all been there…finding ourselves needing to reset a password and suffering through the process of creating a password that the online service will accept. You will certainly feel some sympathy watching this young woman reset the password for her favorite web service before she can log in and have fun. Note: Video contains some language that may be considered inappropriate. Have you had similar bad or extremely frustrating experiences while resetting a password? Let us know in the comments! Reset Your Password [via MakeUseOf] HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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  • DIY Panoramic Head Dirt Cheap Solution for Panoramic Photos [DIY]

    - by Jason Fitzpatrick
    Professional panoramic tripod heads are quite expensive; this DIY solution is put together with scrap wood and a handful of cheap parts from the hardware store and gets the job done just as well. If you’re not looking to impress anyone and willing to sacrifice a little compactness, this simple build can save you a ton of cash. Over at Rasterweb Pete Prodoehl shares photos and video of his DIY panoramic head built out of nothing but scrap wood he had around the work shop plus a hinge, some angle brackets, and screws/nuts/bolts. All very cheap hardware store fare. Hit up the link below to see his build and sample photos. Panoramic Tripod Head [Rasterweb via Make] What is a Histogram, and How Can I Use it to Improve My Photos?How To Easily Access Your Home Network From Anywhere With DDNSHow To Recover After Your Email Password Is Compromised

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  • Download the Windows 8 Release Preview Themes for Windows 7 [Double Theme]

    - by Asian Angel
    The Windows 8 Release Preview came with two great sets of beautiful wallpapers, one for the desktop and one for the lock screen. With this in mind the good folks over at the 7 Tutorials blog decided to help bring that Windows 8 goodness to everyone’s Windows 7 desktops. You can see some of the wallpapers available for the desktop above and see some for the lock screen below… Special Note: While many of the wallpapers are the same as those for the Consumer Preview, there have been some changes in what has been included for the Release Preview. Download Windows 8 Release Preview Themes for Windows 7 [7 Tutorials] HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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  • Tunlr Gives Non-US Residents Access to Hulu, Netflix, and More

    - by Jason Fitzpatrick
    If you’re outside the US market and looking to enjoy US streaming services like Hulu, Netflix, and more, Tunlr is a free and simple service that will get you connected. Unlike other tools that are more expensive (both in price and in hardware/bandwidth overhead) like VPN services, Tunlr doesn’t set up a full tunnel but instead serves as an alternative DNS server that allows you to access previously blocked content. From the Tunlr FAQ: Tunlr does not provide a virtual private network (VPN). Tunlr is a DNS (domain name system) unblocking service. We’re using sophisticated technologies (a.k.a. the Tunlr Secret Sauce ©) to re-adress certain data envelopes, tricking the receiver into thinking the envelope originated from within the U.S. For these data envelopes, Tunlr is transparently creating a network tunnel from your location to our U.S.-based servers. Any data that’s not directly related to the video or music content providers which Tunlr supports is not only left untouched, it’s also not even routed through Tunlr. Hit up the link below for more information about the service, including how to set it up on various operating systems, portable devices, and gaming consoles. Tunlr [via gHacks] HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online Here’s How to Download Windows 8 Release Preview Right Now

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  • Mark Hurd on Oracle's Strategy to Be the Best

    - by Tuula Fai
    Mark Hurd, President of Oracle, energized a packed audience this Monday morning at OpenWorld with his keynote outlining Oracle’s four-pillar strategy: Be the leader at every level of the technology stack—applications, middleware, database, operating system, virtual machine, servers, and storage Vertically integrate these levels into differentiated solutions Offer Fusion, the next generation of applications, which are modular and can run in the cloud, on-premise, or both (hybrid) Deliver this technology portfolio through industry lenses to help Oracle customers solve their problems while innovating and becoming more efficient. Hurd’s message resonated throughout Monday’s Customer Experience (CX) sessions as we learned about Oracle’s investment in integrating its best-of-breed CX solutions to deliver an end-to-end suite that addresses every part of the customer lifecycle. For example, in the area of customer service, Oracle is developing enhancements to help contact center agents: Better understand customer needs through social listening tools that are integrated with knowledge management Empower themselves with internal collaboration and mobility tools Adapt to customer needs by engaging them through chat during a service or commerce interaction so they can deliver a great customer experience while transforming from a cost- into a profit center.

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  • Bing Desktop Automatically Downloads Bing Wallpapers to Your Computer

    - by Jason Fitzpatrick
    Windows 7: Bing Desktop is a new and lightweight offering from Microsoft that automatically swaps your desktop background every day and offers quick access to the Bing search engine. In addition to downloading the Bing wallpaper, Bing Desktop also includes a small search box that allows you to search Bing from your desktop–although most users will likely grab the app simply to get the daily wallpaper update. Hit up the link below to download a copy. Bing Desktop is free, Windows 7 only. Bing Desktop [via Quick Online Tips] How to Stress Test the Hard Drives in Your PC or Server How To Customize Your Android Lock Screen with WidgetLocker The Best Free Portable Apps for Your Flash Drive Toolkit

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  • Fiction to Reality Timeline Charts Introduction of Sci-Fi Concepts to Real Life

    - by Jason Fitzpatrick
    Videophones, voice-controlled computers, heads-up displays, and other technological innovations made their first appearances in Sci-Fi. This dual timeline charts the first appearance in Sci-Fi against the date of commercial success for the product in the real world. Hit up the link below for the full resolution image. The Fiction to Reality Timeline [via Cool Inforgraphics] How to Own Your Own Website (Even If You Can’t Build One) Pt 3 How to Sync Your Media Across Your Entire House with XBMC How to Own Your Own Website (Even If You Can’t Build One) Pt 2

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  • Add a Flight Full of Color to Your Desktop with the Beautiful Birds Theme for Windows 7

    - by Asian Angel
    Do you enjoy looking at and collecting pictures of beautifully colored birds? Then brighten up your desktop with the grace and gorgeous plumage of swans, flamingoes, peacocks, and other exotic birds with this wonderful theme for Windows 7. Note: The theme comes with seventeen awesome wallpapers full of brightly colored avian goodness. Download the Beautiful Birds Theme [Windows 7 Personalization Gallery] How To Encrypt Your Cloud-Based Drive with BoxcryptorHTG Explains: Photography with Film-Based CamerasHow to Clean Your Dirty Smartphone (Without Breaking Something)

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  • Clockwork: A 40,000 Piece K’Nex Ball Machine [Video]

    - by Jason Fitzpatrick
    You may have built a simple marble raceway out of construction toys like LEGO or K’Nex at some point in your life. No matter how grand a raceway it was, we can assure you it had nothing on this 40,000 piece room-sized monster. The creator, Austron, writes: This is Clockwork, my fifth major K’nex ball machine, and my largest and most complex K’nex structure to date. It took 8 months to build, has over 40,000 pieces, over 450 feet of track, 21 different paths, 8 motors, 5 lifts, and a one-of-a-kind computer-controlled crane, as well as two computer-controlled illuminated K’nex balls. For a more in-depth look at the construction we suggest checking out both his YouTube channel and his build blog. [via Make] How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It

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  • Cosmic Journeys – Supermassive Black Hole at the Center of the Galaxy

    - by Akemi Iwaya
    Even though the center of our galaxy is obscured by thick dust and blinding starlight, that has not stopped scientists from piecing together clues about what may lie there. Sit back and enjoy a ‘cosmic journey’ with this excellent half-hour video from YouTube channel SpaceRip discussing what scientists have learned about the supermassive black hole at the center of our galaxy, and their work on getting a ‘direct image’ of it. Cosmic Journeys: Supermassive Black Hole at the Center of the Galaxy [YouTube]     

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  • 32 Stunning Movie Tributes in LEGO

    - by Jason Fitzpatrick
    These impressive Sci-Fi LEGO tributes are an impressive combination of time, money, and a whole lot of LEGO bricks. Read on to see everything from Death Star hangers to adorable robots. Over at Dvice, a SyFy channel blog, they’ve rounded up 32 impressive movie tributes crafted entirely in LEGO bricks. The model seen above, for example, is composed of 30,000 bricks and is over six feet on a side. Planning on building your own? You’d better have $2,300 to blow on bricks and six months of spare time to invest. Hit up the link below for more LEGO tributes. 32 Fan-Built LEGO Tributes to Science Fiction [Dvice] 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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  • Raspberry Pi Powered Coffee Table Serves Up Arcade Classics

    - by Jason Fitzpatrick
    If your living room is boring for want of a plethora of arcade hits, this DIY project parks a Raspberry Pi powered arcade machine in a coffee table for at-your-finger-tips retro gaming. Courtesy of tinker Graham Gelding, this build combines a 24-inch monitor, arcade buttons, a Raspberry Pi board, and a wooden coffee table to great effect. The end result is a table-top style arcade that also doubles, courtesy of a wireless keyboard and mouse, as a web browsing and email station. Hit up the link below for more information. Coffee Table Pi [via Hack A Day] HTG Explains: Why It’s Good That Your Computer’s RAM Is Full 10 Awesome Improvements For Desktop Users in Windows 8 How To Play DVDs on Windows 8

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