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  • Setting Anchor Point

    - by Siddharth
    I want to set anchor point for the sprite like cocos2d has done for their implementation. I do not found any thing like that in andengine so please provide guidance on that. I want to move the sprite on touch so I use following code but that does not work for me. super.setPosition(pX - this.getWidthScaled() / 2, pY - this.getHeightScaled() / 2); Because I touch on the corner of the image but automatically it comes at center of the image because of above code. I want to remain the touch at desire position and drag it. For me the anchor point became useful. But I don't found anything in andengine.

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  • Problems with Silverlight 3 Bitmaps

    As many people move to Silverlight 4, some of us that still have old projects in Silverlight 3, I havent found any solution to the below problem just yet, just a workaround for now. Still when using Visual Studio 2008 and Silverlight I receive this error on BitmapImages, something that looks like got fixed in Visual Studio 2010 and Silverlight 4, I havent tried in VS2010 and Silverlight 3. Silverlight 3: BitmapImage.SetSource - Catastrophic failure Message="Catastrophic failure (Exception...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Enabling Multi-touch features of the Apple Magic Mouse on Ubuntu 12.04

    - by Martin
    I want to write a simple app that uses Apple's Magic Trackpad, nothing special, just so that it recognizes atleast one gesture. The thing is, Ubuntu itself doesnt really recognize this device. I'm using Ubuntu 12.04 and by default the device works with 1 finger, but without tap-click or doubletap, 3 fingers move the window and 3 finger spread makes it fullscreen. I managed to enable 2 finger scrolling with "xinput set-prop 8 'Two-Finger Scrolling' 1 1", but thats about it. No other gestures work, ginn doesnt start, giesview detects the device but doesnt respond to any of the gestures, and touchegg doesnt start either. I tried example apps from qt that come with ubuntu but they dont work. So... what do i do? i tried using qt but all i get from the app is "Got touch without getting TouchBegin for id XX" what else can i use to get my app to work with multitouch devices?

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  • Managing the Transition to IFRS

    As countries around the world announce and begin their move to adopting IFRS what can companies learn from those that have already travelled this path? Nigel Youell, Product Marketing Director for Performance Management Applications at Oracle talks to David Jones, Director at PWC, who has worked with multi-national companies across Europe helping them to make this transition and to improve their financial reporting in the process. This podcast offers those who have not yet started, or are currently undertaking, the IFRS journey the chance to learn from David's considerable experience on how to make IFRS an opportunity for improvement rather than just an enforced change.

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  • Dynamic vs Statically typed languages for websites

    - by Bradford
    Wanted to hear what others thought about this statement: I’ll contrast that with building a website. When rendering web pages, often you have very many components interacting on a web page. You have buttons over here and little widgets over there and there are dozens of them on a webpage, as well as possibly dozens or hundreds of web pages on your website that are all dynamic. With a system with a really large surface area like that, using a statically typed language is actually quite inflexible. I would find it painful probably to program in Scala and render a web page with it, when I want to interactively push around buttons and what-not. If the whole system has to be coherent, like the whole system has to type check just to be able to move a button around, I think that can be really inflexible. Source: http://www.infoq.com/interviews/kallen-scala-twitter

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  • Making profit from a social network

    - by James P.
    This follows similar questions but I'd like to see if anything particular comes out of it due to the nature of site. In short, I've taken up the role of webmaster for a small social network site and wish to make it profitable to at least cover the running costs. The site is linked to a commerce and presents are offered to members according to the number of points they've accumulated through various actions. The site is running on shared hosting so it's probably dirt cheap but the presents can be expensive as a whole and some money has already been invested into the project. One idea I have is to seek some sponsors that would be willing to offer presents or special offers in return for publicity. I don't know if this will be easy or not. I'm also looking into adapting hosting to perhaps move static files to a cheaper online storage medium (see Ideas for reducing storage needs and/or costs (lots of images)). Other suggestions are welcome.

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  • More Opportunities to Discuss IDM 11g R2

    - by Naresh Persaud
    If you attended any of the recent webcasts, then you heard several customer testimonials discussing early adoption of Identity Management 11g R2.  If you missed a chance to connect with product managers from Oracle in person regarding the new release, here are a few physical events that you may wish to attend.Click on a city below to register. Atlanta IdM 11g ForumWednesday, December 5, 2012 Orlando IdM 11g ForumThursday, December 6, 2012 Scottsdale IDM 11g ForumTuesday, December 11, 2012 Dallas IDM 11g Forum Thursday, December 13, 2012 If you missed any of the customer presentations you can read the Kaiser and BT testimonials in Oracle Magazine - Security on The Move.

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  • Can't enable Bluetooth 13.10

    - by user205872
    I'm a new user to Ubuntu. I previously installed Xubuntu 13.04 on my Compaq nx8420 and was able to use Bluetooth with no issues. I recently performed a clean install of Ubuntu 13.10 (not Xubuntu), and now can't enable bluetooth. I go to the default Bluetooth app, move the slider to 'On' and it slides straight back to 'Off'. Do I need to install any extra packages or use an alternative app to get Bluetooth working? I can't think of a reason why it would work in Xubuntu 13.04, but not Ubuntu 13.10. Thanks in advance for any help. Zac

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  • Remove Duplicate Second Unity Launcher on Dual Screen

    - by Eugene van der Merwe
    See attached image. On my dual screen display I have a Unity Launcher on the left hand screen and also on the right hand screen. Both work perfectly fine. I don't want two Unity Launchers. Every time I move my house to the right hand side it gets slowed down over the right launcher hampering my productivity. I have an Nvidia card with the Nvidia driver and I am using TwinView. Could somebody please tell me how to remove this extra duplicated launcher?

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  • How to filter content in the cureently opened folder?

    - by peter matis
    there is one thing I'm missing since I've been forced to move from osx to ubuntu. for osx there is wonderful file browser named Path Finder which has very handy filter function build in. the search field in the Path Finders upper right corner isn't searching your whole HD, it's not searching in all the sub folders of a given directory (like in nautilus). it's just filtering the content of the folder you have currently opened whithout loking in to the sub folders. is there something similar (plugin, exstention...) available for nautilus? two users are already asking the same question, but the answers obviously missed the point.

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  • Component-based design: handling objects interaction

    - by Milo
    I'm not sure how exactly objects do things to other objects in a component based design. Say I have an Obj class. I do: Obj obj; obj.add(new Position()); obj.add(new Physics()); How could I then have another object not only move the ball but have those physics applied. I'm not looking for implementation details but rather abstractly how objects communicate. In an entity based design, you might just have: obj1.emitForceOn(obj2,5.0,0.0,0.0); Any article or explanation to get a better grasp on a component driven design and how to do basic things would be really helpful.

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  • Wrapping up an Exciting Mobile World Congress

    - by Jacob Lehrbaum
    Its been a busy week here in Barcelona, with noticeably more energy at the show than in 2010. This year, we decided to move the Java booth to the App Planet and really engage with the increasing number of developers that are attending the event. Our booth featured 10 demos and a series of nearly 25 workshops featuring a variety of topics ranging from information about Java Verified, to the use of web technologies with Java ME, to sessions hosted by Operators such as Orange and Telefonica (see image to the left).One of the more popular topics in our booth was the use of Java in the Smart Grid. In our booth we were showing off some of the work of the Hydra Consortium whose goal it is to leverage the emerging smart grid infrastructure to securely enable the delivery of personal health data (weight, blood pressure, etc) from the home to your doctor. If you'd like to learn more about this innovative project, you can watch a video that was filmed at the event featuring Charles Palmer of Onzo. If you'd like to learn more about Java in the Smart Grid, check out our on-demand webinar

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  • There is any reason for which a delete method/field/function refactoring doesn't exist?

    - by raisercostin
    An operation in an interface is obsolete so I decided to delete it. It seems that there is no automatic support for such a "refactoring". For me is a refactoring operation since the behavior of the code will be preserved since nobody(tests, client apis) will notice that the operation was removed. In eclipse, in java code, on an method in an interface I have the following options: rename, move, change method signature, inline, extract interface, extract superclass, use supertype when possible, pull up, push down, introduce parameter objet, introduce indirection, generate declared type. There is any reason for which a delete method/field/function refactoring doesn't exist?

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  • A few words about Micro-Benchmarks

    Its been a long time since I included my this discussion is only approximately correct disclaimer so Ill just preface it here.  In the interest of space and clarity, this discussion is only approximately correct.  OK, now we can move on I love micro-benchmarks. Really.  I rely on micro-benchmarks to help me understand what is going on in my system on a day to day or even build to build basis.  Understanding which micro-benchmarks are really vital is essential to keeping your...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • I need to go from Linux to VS2012 fast. Anybody have a guide?

    - by Mikhail
    I need to parallelize a library through the use of a graphic accelerator. I have had no trouble doing similar work on Linux but I am struggling with using Visual Studios 2012. I can't figure out how to do analogs to simple things. I can't figure out how to do simple things like specifying linkage, libraries, and include files. I need to move quickly from understanding the Linux build system to the Windows build system. Does anybody have a guide or some advice on moving from Linux to Visual Studios development? I feel like I am crawling through a labyrinth of menus. With frequent dead ends saying that this feature has moved to another place. Also this code must build with VS2012.

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  • C# creating a simple snake game

    - by Guy David
    I was thinking about creating a snake game with C#, so I ran ideas in my head, and some problems came up. How can I track and output in the correct location the blocks that run after the snake's head? If the snake is built of five blocks, and the user starts going in a circle, how can I print the snake body in the right location? Also, how can I create an action that will run on the background, which will move the snake forward, no matter what the user does? What structure should my code have? (code design structure) This should be a console application, since it's the only framework I am familiar with. I am not looking for finished code, since I want to really understand how it should work.

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  • Brand New Oracle WebLogic 12c Online Launch Event, December 1, 10am PT

    - by B Shashikumar
    The brand new WebLogic 12c will be launched on December 1st with a 2-hour global webcast highlighting salient capabilities and benefits and featuring Hasan Rizvi, SVP, Oracle Fusion Middleware and Java. For the more techie types, the 2nd hour will be a developer focused discussion including multiple demos and live Q&A. Please join us, with your fellow IT managers, architects, and developers, to hear how the new release of Oracle WebLogic Server is: Designed to help you seamlessly move into the public or private cloud with an open, standards-based platform Built to drive higher value for your current infrastructure and significantly reduce development time and cost Enhanced with transformational platforms and technologies such as Java EE 6, Oracle’s Active GridLink for RAC, Oracle Traffic Director, and Oracle Virtual Assembly Builder   

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  • How to disable three finger gestures on touchpad?

    - by oznah
    I am using 12.04 on a macbook pro. Everything works really well. I want to disable 3 finger gestures. It is way to easy to accidentally drag/move a window(3 finger gesture) while scrolling(2 finger gesture) when using a touchpad. I found this answer on ask ubuntu. It was marked answered but it is not. The functionality is still there. All this recommendation does is disable the drag marks on the window. This may be tricky because I want to disable 3 finger gestures but not 2 finger gestures. (ie I don't want to disable touchpad gestures all together)

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  • Symlink are using both locations?

    - by Tiago Rossi
    Ive made a research and didnt found any answers, so I decided to ask here. To make you know, the /dev/sda2 disk of my WHM/Cpanel webserver got 100% full. The /var/ folder are the /dev/sda2 and I've found the reason of that isse are the /var/lib/mysql folder. To fix it I need to move the /var/lib/mysql folder from /dev/sda2 to /home/ where I have a lot of space in disk. Then I used the command lines: service mysql stop cp -r -p /var/lib/mysql/ /home/databasesmysql/ mv /var/lib/mysql /var/lib/mysql.backup/ ln -s /home/databasesmysql/ /var/lib/mysql service mysql start Ok, now to check if its running at the new location I just renamed the /var/lib/mysql to /var/lib/mysql.backup and MySQL stopped working. Also when I rename the /home/databasesmysql/ folder MySQL also stop to work. I dont know whats happening, the symlink are using both locations? Thanks very much.

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  • Hot-hot-hot for jobs in Java and mobile software

    - by hinkmond
    It's hot-hot-hot! The market for Java and mobile developers keeps growing hotter, and hotter--so says the latest Dice survey. See: Dice survey says Java & Mobile are tops Here's a quote: The market for mobile developers is expanding faster than the talent pool can adapt, a Dice survey indicates. Software developers in general—as well as Java, mobile software and Microsoft .Net developers in particular—are in short supply today. Those fields represent four of the top five most difficult positions IT managers are looking to fill... ... The New York/New Jersey metro area led the country with 8,871 positions listed... So, if you are looking to get into software development get crackin' in learning Java mobile programming and move to NY or NJ. Let's go Mets! Hinkmond

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  • Partitioning tutorial - new features in Oracle Database 12c

    - by KLaker
    For data warehousing projects Oracle Partitioning really is a must-have feature because it delivers so many important benefits such as: Dramatically improves query performance and speeds up database maintenance operations Lowers costs by enabling a tiered storage approach that allows data to be stored on the most cost-effective storage for better resource utilisation Combined with Oracle Advanced Compression, it provides an automated approach to information lifecycle management using a simple, efficient, yet powerful way to manage data growth and reduce complexity and costs To help you get the most from partitioning we have released a new tutorial that covers the 12c new features. Topics include how to: Use Interval Reference Partitioning Perform Cascading TRUNCATE and EXCHANGE Operations Move Partitions Online Maintain Multiple Partitions Maintain Global Indexes Asynchronously Use Partial Indexes For more information about this tutorial follow this link to the Oracle Learning Library: http://apex.oracle.com/pls/apex/f?p=44785:24:0::NO:24:P24_CONTENT_ID,P24_PREV_PAGE:8408,2 where you can begin your tutorial right now! For more information about Oracle Partitioning visit our home page on OTN: http://www.oracle.com/technetwork/database/bi-datawarehousing/dbbi-tech-info-part-100980.html

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  • Distinct Count of Customers in a SCD Type 2 in #DAX

    - by Marco Russo (SQLBI)
    If you have a Slowly Changing Dimension (SCD) Type 2 for your customer and you want to calculate the number of distinct customers that bought a product, you cannot use the simple formula: Customers := DISTINCTCOUNT( FactTable[Customer Id] ) ) because it would return the number of distinct versions of customers. What you really want to do is to calculate the number of distinct application keys of the customers, that could be a lower number than the number you’ve got with the previous formula. Assuming that a Customer Code column in the Customers dimension contains the application key, you should use the following DAX formula: Customers := COUNTROWS( SUMMARIZE( FactTable, Customers[Customer Code] ) ) Be careful: only the version above is really fast, because it is solved by xVelocity (formerly known as VertiPaq) engine. Other formulas involving nested calculations might be more complex and move computation to the formula engine, resulting in slower query. This is absolutely an interesting pattern and I have to say it’s a killer feature. Try to do the same in Multidimensional…

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  • Is chess-like AI really inapplicable in turn-based strategy games?

    - by Joh
    Obviously, trying to apply the min-max algorithm on the complete tree of moves works only for small games (I apologize to all chess enthusiasts, by "small" I do not mean "simplistic"). For typical turn-based strategy games where the board is often wider than 100 tiles and all pieces in a side can move simultaneously, the min-max algorithm is inapplicable. I was wondering if a partial min-max algorithm which limits itself to N board configurations at each depth couldn't be good enough? Using a genetic algorithm, it might be possible to find a number of board configurations that are good wrt to the evaluation function. Hopefully, these configurations might also be good wrt to long-term goals. I would be surprised if this hasn't been thought of before and tried. Has it? How does it work?

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  • Microsoft Forcing Dev/Partners Hands on Win 8 Through Certification

    - by D'Arcy Lussier
    I remember 2.5 years ago when Microsoft dropped a bomb on the Microsoft Partner community: all Gold competencies would require .NET 4 based premiere certifications (MCPD). Problem was, this gave a window of about 6 months for partners to update their employees’ certifications. At the place I was working, I put together an aggressive plan and we were able to attain the certs needed. Microsoft is always open that the certification requirements will change as the industry changes. .NET 1.0 certifications are useless here in 2012, and rightfully so they’ve been retired for a long time now. But now we’re seeing a new tactic by Microsoft – shifting gears away from certifications that speak to what industry needs and more to the Windows 8 agenda. Consider that currently the premiere development certification is the Microsoft Certified Professional Developer, which comes in three flavours – Web, Windows, and Azure. All require WCF and Data Access exams, as well as one that deals with the associated base technologies (ASP.NET, WinForms/WPF, Azure), and one that ties all three together in a solution-based exam. For Microsoft-based organizations, these skills aren’t just valid but necessary in building Microsoft applications. But the MCPD is being replaced with our old friend Microsoft Certified Solutions Developer (MCSD). So far, Microsoft has only released two types of MCSD – Web and Windows Store Apps. Windows Store Apps?! In a push to move developers to create WinRT-based applications, desktop development is now considered a second-class citizen in the eyes of Redmond. Also interesting are the language options for the exams: HTML5 and C#. Sorry VB folks, its time to embrace curly braces whether they be JavaScript or C#. Consider too the skills being assessed for the Windows Store Apps: Get your MCSD: Windows Store Apps Using HTML5 Get your MCSD: Windows Store Apps Using C# *Image Source: http://www.microsoft.com/learning/en/us/certification/mcsd-windows-store-apps.aspx Nov 21/2012 If you look at the skills being tested in each exam, you’ll find that skills like WCF and Data Access are downplayed compared to things like integrating Charms, facilitating Search, programming for the microphone and camera – all very Windows 8 focussed items. Where this becomes maddening is that Microsoft is still pushing Windows 7 with enterprise clients. According to a ZDNet article, Microsoft wants to see Windows 7 on 70% of enterprise desktops by mid 2013. Assuming they somehow meet that (its a pretty lofty goal), there’s years of traditional desktop-based development that will still be required at some level. For those thinking they’ll just write and stick with the MCPD certification, note that most exams that go towards that certification will be retired at the end of July 2013! (Read the small print). And while details haven’t been finalized, its a safe bet that MCPD certifications eventually won’t count towards Gold-level competencies in the Microsoft Partner program. What this means for Microsoft Partners and Developers is that certification for desktop development is going to be limited to Windows Store Apps unless Microsoft re-introduces a traditional desktop (WPF) based MCSD cert. Web Application Development – It’s Not All Bad There’s big changes on the web side of certification, but I actually see these changes as being for the good! Check out the new exam requirements for MCSD – Web Applications: Get your MCSD: Web Applications certification *Image Source: http://www.microsoft.com/learning/en/us/certification/cert-mcsd-web-applications.aspx Nov 21, 2012 We now *start* with HTML5, JavaScript, and CSS3! Now I’m sure that these will be slanted towards web development in IE, and I can hear designers everywhere bemoaning the CSS/IE combination. Still, I applaud Microsoft for adopting HTML5 as the go-to web technology and requiring certified developers to prove they have skills in the basics of web dev. The fact that the second exam clearly states “MVC Web Applications” shows that Web Forms is truly legacy and deprecated. That’s not to say there aren’t those out there that are still supporting or (for whatever reason) doing new dev with Web Forms, but this move by Microsoft is telling the community they better get on the MVC bandwagon if they want to stay current. Fantastic! And of course Azure needs to be here as well, and this is where the Microsoft agenda fits in. It’s no secret that there’s been a huge push in getting developers on to Azure. I don’t see this as being a bad thing either, as cloud computing (whether Azure, private, or 3rd party) is a necessary skill for developers to have here in 2012. The cynic in me realizes that the HTML5/JavaScript/CSS push wouldn’t be as prominent though if not for the Windows 8 Store App play, where HTML5 is a first class citizen (and an available language for the MCSD Windows Store App cert). In this case, the desktop developers loss is the web developers gain. Get Ready for Changes In addition to the changes in certifications, the Microsoft Partner competencies are going through changes as well. Web and Software Development are being merged into a single competency, meaning that licenses you would have received from having both as Gold are reduced. Other competencies are either being removed or changed, as are the exam requirements. In the same way that we’re seeing faster release cycles from Microsoft, so too will we see the Microsoft Partner Program and MS Certifications evolve faster than ever before. Many of us got caught in the last wave of changes, but this time we can see the wave coming – and it looks pretty big!

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  • Keyboard freezes when xorg crashes.

    - by gsedej
    Situation is like that. Many times has happened that Xorg freezes and with it also keyboard. Quite some times because of some Compiz effects or Flash (fullscreen switch). Keyboard becomes totaly unresponsive, while mouse still works (I can move cursor, but can't click since desktop freezes) and music still plays and I can connect trough ssh. This is the only way I know I can try to solve problem - either by killing browser&flash or lastly restarting xorg server. This problem appears on more than one Ubuntu computer. My home dekstop with proprietery nvidia driver, on my work where I use noveau driever (opensource driver for geforce) and sometimes (but rarely) also on laptop with ATI graphics (using r300g driver which is really good!). Can someone explains why mouse still works while I can't input from keyboard? (I can't switch to virtual console or do R-E-I-S-U-B command) I have USB keyboard and USB mouse.

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