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  • Push or Pull Mobile Coupons?

    - by David Dorf
    Mobile phones allow consumers to receive coupons in context, which increases their relevance and therefore redemption rates. Using your current location, you can get coupons that can be redeemed nearby for the things you want now. Receiving a coupon for something you wanted last week or something you might buy next month just isn't as valuable. I previously talked about Placecast and their concept of pushing offers to mobile phones that transgress "geo-fences" around points of interest, like store locations. This push model is an automatic reminder there are good deals just up ahead. This model works well in dense cities where people walk, but I question how effective it will be in the suburbs where people are driving. McDonald's recently ran a campaign in Finland where they pushed offers to GPS devices when cars neared their restaurants. Amazingly, they achieved a 7% click-through rate. But 8coupons.com sees things differently. They prefer the pull model that requires customers to initiate a search for nearby coupons, and they've done some studies to better understand what "nearby" means. It turns out that there are concentric search circles that emanate from your home and work. From inner to outer, people search for food, drink, shopping, and entertainment. Intuitively, that feels about right. So the question is, do consumers prefer the push or pull model for offers? No doubt the market is big enough for both. These days its not good enough to just know who your customers are -- you also need to know where they are so you can catch them in the right moment. According to Borrell Associates, redemption rates of mobile coupons are 10x that of traditional mail and newspaper coupons. One thing is for sure; assuming 85% of consumers regularly spend money within 5 miles of home and work, location-based coupons make tons of sense.

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  • Authenticate native mobile app using a REST API

    - by Supercell
    I'm starting a new project soon, which is targeting mobile application for all major mobile platforms (iOS, Android, Windows). It will be a client-server architecture. The app is both informational and transactional. For the transactional part, they're required to have an account and log in before a transaction can be made. I'm new to mobile development, so I don't know how the authentication part is done on these platforms. The clients will communicate with the server through a REST API. Will be using HTTPS ofcourse. I haven't yet decided if I want the user to log in when they open the app, or only when they perform a transaction. I got the following questions: 1) Like the Facebook application, you only enter your credentials when you open the application for the first time. After that, you're automatically signed in every time you open the app. How does one accomplish this? Just simply by encrypting and storing the credentials on the device and sending them every time the app starts? 2) Do I need to authenticate the user for each (transactional) request made to the REST API or use a token based approach? Please feel free to suggest other ways for authentication. Thanks!

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  • Issue with image lightbox and enlargement / Jquery Mobile

    - by Matt
    I'm working on a redesign of my weather website using Jquery Mobile. I have it set up so that you drill down through a series of content containers to get to the weather info (each group of info opens in a dialog display). Everything's worked well, but I've run into an issue with my images. I have them sized so that they fit a mobile device's screen nicely, but because of that, when you look at them in a desktop browser, you can't really make out what the image is. I've tried several image lightbox / enlargement solutions, but for some reason, none of them have worked. Either nothing happens or the images open in a new window. I thought that this might be caused by Jquery Mobile somehow overwriting the scripts and css of the lightbox / enlargements I've tried. I'm not completely sure though that this is the case, and if it is, how I can get around it to be able to enlarge the images to their original size, preferably onclick. Here is a working (for the most part - still some kinks to work out) example. If you look under the "Tropical" section at the "Satellite-Derived Products", you'll see what I mean. http://www.suncoaststormwatch.com/Beta/Index.html

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  • is Java free for mobile development?

    - by exTrace101
    Q1. I would like to know if it's free for a developer (I mean, if I have to pay no royalties to Sun/Oracle) to develop (Android) mobile apps in Java? After reading this snippet about use of Java field, I'm getting the impression that Java is not free for mobile development, is that right? .."General Purpose Desktop Computers and Servers" means computers, including desktop and laptop computers, or servers, used for general computing functions under end user control (such as but not specifically limited to email, general purpose Internet browsing, and office suite productivity tools). The use of Software in systems and solutions that provide dedicated functionality (other than as mentioned above) or designed for use in embedded or function-specific software applications, for example but not limited to: Software embedded in or bundled with industrial control systems, wireless mobile telephones, wireless handheld devices, netbooks, kiosks, TV/STB, Blu-ray Disc devices, telematics and network control switching equipment, printers and storage management systems, and other related systems are excluded from this definition and not licensed under this Agreement... and from http://www.excelsiorjet.com/embedded/ Notice : The Java SE Embedded technology license currently prohibits the use of Java SE in cell phones. Q2. how come these plethora of Android Java developers aren't paying Sun/Oracle a dime?

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  • How can I maximum compress video files?

    - by EmmyS
    I received 4 .mov files from a client that they want on their mobile website via SlideShowPro. Each original file was between 200 and 400 mb. I've gotten each one down to about 30 mb using transmageddon as described here, but that's still really big for a mobile connection. Is there any way to shrink them even further? Maybe it's the settings; I used Output Format = MPEG4, Audio = AAC, Video = H264 (which is what is suggested by SlideShowPro.)

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  • E3 Booth Babes Display a Painful Lack of Video Game Knowledge [Video]

    - by Jason Fitzpatrick
    If you thought a prerequisite for manning a booth at an electronics expo was a passing knowledge of the electronics and games you were promoting, you were wrong. In the above video Chloe Dykstra puts a set of “booth babes” from the E3 2011 conference to the test by asking them simple questions about video games both new and old. If you’re a gaming fan and you can watch this video without laughing out loud you’ve got an iron will (or you’re shaking your head in disbelief that someone could work a gaming convention and not know the answers to these questions). We won’t lie, we were shaking our head when the one model admitted that she’d worked at GameStop for a year and still didn’t know any of the answers. What questions would you put on list? How about “Finish this sentence: ‘Your Princess is in another…’”, “Dimension?”. 5HP: Booth Babe Edition – E3 2011 [YouTube via Kotaku] 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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  • The Evolution of Search: A History of Google Search [Video]

    - by Jason Fitzpatrick
    Internet search has changed enormously in the last decade; this video tour of Google evolving search strategies shows us where we’ve been and where we’re going. In the above video Google staff reflect on the last decade of search, innovations at Google, and where they’re taking the search engine experience in the future. While the video clearly has a Google bias (they produced it after all) it’s still an interesting look at how Google and internet search as a whole have changed over the years. The Evolution of Search in Six Minutes [The Official Google Blog] How to See What Web Sites Your Computer is Secretly Connecting To HTG Explains: When Do You Need to Update Your Drivers? How to Make the Kindle Fire Silk Browser *Actually* Fast!

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  • SQL SERVER – Video – Performance Improvement in Columnstore Index

    - by pinaldave
    I earlier wrote an article about SQL SERVER – Fundamentals of Columnstore Index and it got very well accepted in community. However, one of the suggestion I keep on receiving for that article is that many of the reader wanted to see columnstore index in the action but they were not able to do that. Some of the readers did not install SQL Server 2012 or some did not have good machine to recreate the big table involved in the demo. For the same reason, I have created small video for that. I have written two more article on columstore index. Please read them as followup to the video: SQL SERVER – How to Ignore Columnstore Index Usage in Query SQL SERVER – Updating Data in A Columnstore Index Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, PostADay, SQL, SQL Authority, SQL Index, SQL Performance, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, T SQL, Technology, Video

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  • 5 Ways to Determine Mobile Location

    - by David Dorf
    In my previous post, I mentioned the importance of determining the location of a consumer using their mobile phone.  Retailers can track anonymous mobile phones to determine traffic patterns both inside and outside their stores.  And with consumers' permission, retailers can send location-aware offers to mobile phones; for example, a coupon for cereal as you walk down that aisle.  When paying with Square, your location is matched with the transaction.  So there are lots of reasons for retailers to want to know the location of their customers.  But how is it done? I thought I'd dive a little deeper on that topic and consider the approaches to determining location. 1. Tower Triangulation By comparing the relative signal strength from multiple antenna towers, a general location of a phone can be roughly determined to an accuracy of 200-1000 meters.  The more towers involved, the more accurate the location. 2. GPS Using Global Positioning Satellites is more accurate than using cell towers, but it takes longer to find the satellites, it uses more battery, and it won't well indoors.  For geo-fencing applications, like those provided by Placecast and Digby, cell towers are often used to determine if the consumer is nearing a "fence" then switches to GPS to determine the actual crossing of the fence. 3. WiFi Triangulation WiFi triangulation is usually more accurate than using towers just because there are so many more WiFi access points (i.e. radios in routers) around. The position of each WiFi AP needs to be recorded in a database and used in the calculations, which is what Skyhook has been doing since 2008.  Another advantage to this method is that works well indoors, although it usually requires additional WiFi beacons to get the accuracy down to 5-10 meters.  Companies like ZuluTime, Aisle411, and PointInside have been perfecting this approach for retailers like Meijer, Walgreens, and HomeDepot. Keep in mind that a mobile phone doesn't have to connect to the WiFi network in order for it to be located.  The WiFi radio in the phone only needs to be on.  Even when not connected, WiFi radios talk to each other to prepare for a possible connection. 4. Hybrid Approaches Naturally the most accurate approach is to combine the approaches described above.  The more available data points, the greater the accuracy.  Companies like ShopKick like to add in acoustic triangulation using the phone's microphone, and NearBuy can use video analytics to increase accuracy. 5. Magnetic Fields The latest approach, and this one is really new, takes a page from the animal kingdom.  As you've probably learned from guys like Marlin Perkins, some animals use the Earth's magnetic fields to navigate.  By recording magnetic variations within a store, then matching those readings with ones from a consumer's phone, location can be accurately determined.  At least that's the approach IndoorAtlas is taking, and the science seems to bear out.  It works well indoors, and doesn't require retailers to purchase any additional hardware.  Keep an eye on this one.

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  • Video Encoding library for C++ game

    - by Paulo Pinto
    I'm looking for a video encoding library in C++ that I can use to record game footage. It can not be an external application like Fraps, it must be a library. Ideally the encoding can be done in real time without affecting game performance too much, although this is not a must have requirement. Another preference is that the video file being saved from the game is already compressed and ready to be used by most video players without any further processing. I realize that this might not be possible especially for real time encoding, so I would accept a trade off of having to process the file later for better compression and/or better file format. I'd like to hear about your experience integrating the library into a game if possible and any interesting trade offs you had to make. Some libraries support more that one file format or codec, so advice on the file format would also be appreciated.

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  • Searching for Ubuntu video I saw that covered Ubuntu One

    - by Elijah Lynn
    I have been searching for an Ubuntu video I saw 1-2 months ago where they guy was demonstrating Ubuntu One and how he used it to sync local profile stuff across different machines. Has anyone seen this? I forgot exactly what it was about but I know he spent a minute or two on the video if not the whole video. I searched all my web history as well as youtube history but no go. Not sure if we are allowed to ask these questions but here goes.

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  • How to Make a Laser Microscope at Home [Video]

    - by Asian Angel
    Earlier this year we shared a video that showed you how to make a microscope projector using a green laser light and a webcam lens. Today we are back with a video demonstrating an easy “at home” method using that same green laser light, a syringe, two glasses, and a blank wall. Note: Video contains some language that may be considered inappropriate. How to make a laser microscope [via Geeks are Sexy] Use Amazon’s Barcode Scanner to Easily Buy Anything from Your Phone How To Migrate Windows 7 to a Solid State Drive Follow How-To Geek on Google+

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  • As a person getting into mobile development, what's the best mobile platform in terms of profitability? [closed]

    - by Kyle Loman
    I realize this question can range very far so would love to hear any and all opinions on this. However, I'll be honest and say that I have been thinking of this in terms of most profitable. I know how this may sound either way but this is one of my main sticking points. I realize that I'm not guaranteed a single cent and success is never guaranteed but I'm going into this with the thought of making something out of it both financially and also for my own interest. I know that iOS gets a lot of attention on this front but Android commands a lot more market share. However, I know there are drawbacks to Android too, whether it's in the actual development process and programming (though I've heard conflicting reports on this, such as how easy/difficult it is for to address screen res in different devices) or the app ecosystem being flooded. But iOS's app ecosystem has been described as too saturated and harder to compete in for that reason. Since Windows Phone has fewer apps than both of those two, that might be the best place to start in order to be closer to the ground floor of the store and be noticed more? Less saturation = better chances of sales or differentiating? Something like the gold rush during the first years of the iOS App Store (not exactly but at least in concept)? Would it be that despite fewer users on the platform, there's more exposure due to less competition so that may translate to better success at sales? Plus, I know MS is in it for the long haul so I'm not too fearful of something like WebOS going away. Obviously RIM isn't very popular nowadays but I read a recent article that says Blackberry actually has the apps that make the most money, any thoughts on that: http://gigaom.com/mobile/which-mobile-oss-apps-make-most-money-surprise-its-blackberry/ Again, this is all I've heard or known about so if there's anything to add or correct here, please do. In addition, this has actually affected my next personal phone upgrade. I'm eligible for a carrier discount now and I've had my eye on the iPhone 5. However, the Lumia 920 is the one I'm holding out for and I'm open to trying an Android but I'm not sure I can wait that long for any new Nexus or even the Razr HD. Even the new Lumia in November is making me antsy, I'm so close to just getting an iPhone 5. But when I say this has affected my phone choice, I'd want to be able to carry the apps I write with me so that I'm able to pull my phone out to show people without having to carry around a second device to do so. So that's why I'd like to make my personal phone match the main platform I'm developing for. Of course, I will likely expand to other platforms if I gain any decent success but the one I target now would serve well as my personal phone I carry around so that I can use it as a marketing tool, in a sense, showing people my apps if the opportunity presents itself. So what's the best mobile platform to choose, and especially in regards to most lucrative? As said previously, this would influence my personal phone choice greatly. Thanks in advance and I hope this isn't taken the wrong way - I understand there are trade-offs and other factors that may balance this out but making some revenue is key among that. For some background, I have done software development and know programming language concepts so I'm not entirely new to it and I do get the notion of being familiar with these things so that I can translate this skill among a variety of languages but I'm currently just having difficulty choosing my first main mobile platform based on the criteria I've outlined above.

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  • Game of Thrones Style Sigils for Video Games

    - by Jason Fitzpatrick
    What would the video game families of the Mushroom Kingdom, Hyrule, and more look like if they were represented by Game of Thrones style sigils? Dorkly shows us the House of Mario, Link, and more. Hit up the link below to check out the imagined sigils for a variety of video games families–if you’re in the mood for wallpapers based on the actual Game of Thrones families, makes sure to check out the Extras section for the show on HBO.com. Game of Thrones House Sigils for Video Game Families [via Neatorama] 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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  • Inside the IBM Selectric [Video]

    - by Jason Fitzpatrick
    The IBM Selectric was one of the best selling typewriters of the 1960s and 70s and featured a rather unique digital-binary to analog system that controlled a typeball instead of a row of type bars. Check out this video to look inside. Courtesy of Bill Hammack of Engineer Guy Video, we’re treated to a peek inside the popular typewriter model and an upclose look at how the unique typeball rotates and tilts to precisely deliver each letter. IBM Selectric Typewriter & Its Digital to Analogue Converter [Engineer Guy Video] How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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  • The Chemistry of Fireworks [Video]

    - by Jason Fitzpatrick
    Fireworks are the dazzling and loud end result of complex chemical process. Watch this video to see the chemistry behind a fireworks display explained by none other than the father of modern pyrotechnics, John Conkling. Courtesy of Bytesize Science: From the sizzle of the fuse to the boom and burst of colors, this video brings you all of the exciting sights and sounds of Fourth of July fireworks, plus a little chemical knowhow. The video features John A. Conkling, Ph.D., who literally wrote the book on fireworks — he is the author of The Chemistry of Pyrotechnics, Basic Principles and Theory. Conkling shows how the familiar rockets and other neat products that light up the night sky all represent chemistry in action. [via Geeks Are Sexy] How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8 How to Banish Duplicate Photos with VisiPic

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  • can't see myself in Skype video call

    - by seb
    I'm running 12.04 and I've installed skype via the software centre. As with 11.10 everything works fine with 12.04 as well. There is only one thing that does not work. I can't see myself in Skype video calls. The video call works fine, I can see the other side the other side can see me. Buid in microphone works. If I click on 'show myself' during the video call nothing happens. I know that it works on Ubuntu in general as I had it working a while back on a different machine (Xubuntu 11.04). Could that be related to the GPU? I'm now on a intel/nvidia one. Any Ideas where I can hunt for some options or tweaking?

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  • How To Fold & Pack Suit Coat To Avoid Wrinkles [Video]

    - by Gopinath
    When it comes to providing tips and tricks that makes our daily life so easy, Lifehacker is the best site. Today they posted a video that let you  to easily fold and pack suit coat/jacket without worrying about wrinkles or carrying a separate garment bag just for your suit/jacket. May be by practising couple of times, we will be pack our suit coat wrinkle free. Check this video. via lifehacker This article titled,How To Fold & Pack Suit Coat To Avoid Wrinkles [Video], was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • 8 Bit Beats – Video Game Themes Remixed

    - by Jason Fitzpatrick
    What do you get when you cross classic video game themes with a club beat? These Subwoofer-maxing remixes take Link and Mario to the dance floor. Courtesy of NickplosionFX, the above video remixes The Legend of Zelda and Pac-Man with a healthy dose of back beat. Other offerings from 8 Bit Beats include a Super Mario Bros. 3 remix. Have a source for other great video game remixes? Sound off in the comments. 8 Bit Beats – Zelda/Pac-Man [YouTube] What To Do If You Get a Virus on Your Computer Why Enabling “Do Not Track” Doesn’t Stop You From Being Tracked HTG Explains: What is the Windows Page File and Should You Disable It?

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  • Record and display Kinect audio and video via avconv

    - by ThomasH
    I'm trying to record audio and video from a Kinect using avconv but I seem to have trouble specifying the right options. avconv -f video4linux2 -video_size 640x480 -c:v h264 -c:a ac3 -i /dev/video1 test.mp4 results in: avconv: /build/buildd/libav-extra-0.8.3ubuntu0.12.04.1/libav/libavutil/mathematics.c:79: av_rescale_rnd: Assertion `c > 0' failed. Aborted (core dumped) Cheese is perfectly happy recording the audio and video from the Kinect, so it's not a setup issue. For added fun, I also need to display the video at the same time.

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  • Good Compression for Slow-mo Video

    - by marienbad
    What's the best way to deliver super slow-motion video to the browser? This seems to me to be a special case, because with super slow-mo video (such as 10,000 frames per second) the visual difference from frame to frame is minimal. As such, it's easy to compress highly. Please suggest codecs, as well as encoding software, backend software, software configuration tips, and services like youtube. My goal is to get about 100 frames of QVGA video to the browser in 500KB. By the way, remember that Radiohead In Rainbows site?

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  • exchange live feed with pre-recorded video for wireless internet camera to router

    - by nate
    I wasn't sure if this should be asked in Web Applications, or Network Engineering, or what... Long story short, I have a video camera with mic that is wirelessly connected to a router (NETGEAR R6200), which can then be viewed through an online service. I would like to be able to somehow exchange the live feed with a pre-recorded video, or image, preferably with pre-recorded sound (the sound of silence would be easiest). Can I place this inbetween the camera and the router, do I need to redirect the camera feed to my laptop first, and then push out the fake video/audio onto the router, without the service knowing the difference? Thanks much and I hope this is well understood!

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  • Ubuntu 11.0 HDMI Video Card No 5.1 Audio

    - by ryandlf
    I am using Ubuntu and XMBC on my HTPC and have chosen the Radeon HD5570 Video card which has an HDMI output. In the sound preferences there is no surround sound option for the video card just stereo and although I can get sound through it in XBMC, my receiver does not state Dolby Digital on movies that are in fact Dolby so its definitely not giving me the true sound it should. Does this card not support surround sound through HDMI and I somehow missed it? If that is the case does anyone have suggestion that has been tested and works? Id like to know its going to work before investing in yet another video card.

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  • CPU spikes to 100% when trying to watch video

    - by mark
    I just installed Ubuntu 12.04 and now CPU spikes to 100% when trying to watch a video. I don't want to hear that this is a problem with Flash or whatever... Playing video on my machine with Ubuntu 11 was just fine. In fact I have another machine still with Ubuntu 11 and it continues to play video just fine. Now I'm stuck with this 12.04 version and want to know how to downgrade back to version 11 as that version isn't buggy. (hence a downgrade).

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  • Making video from 3D gaphics in OpenGL

    - by MVTC
    What are some of the preferred methods or libraries for creating video from an OpenGL graphics simulation? For example, I want to create a visualization(video) of an N-Body gravity simulation by rendering non-real-time OpenGL frames. The simulation is already coded, I just don't know how to convert it to video. EDIT: I am also interested in providing the described functionality: The user can adjust parameters including the time step between captured frames and then initiate the simulation. The user waits for the simulation to complete, and then can watch the results. The user is able to increase or decrease the playback speed of the simulation whereas in slow motion, more frames are used i.e., you see higher resolution time steps, and when the speed is increased, you see lower resolution time steps at a higher rate, but the frames per second flashing on the screen is constant.

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