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• Silverlight Goes Mobile!

  - by PeterTweed

  The most exciting announcements from Mix 2010 last week for me were the release of the Windows Phone 7 Series SDK and the news that the platform utilizes Silverlight for the application development technology. From the press and exposure that the platform is being given and the experience that is promised it looks like the Windows Phone 7 Series could eventually compete with the iPhone. For me this is exciting as Silverlight can now be used to develop RIA apps, easily deployed desktop apps and mobile apps. As someone who delivers enterprise technology solutions this equates to a whole bunch of opportunity knocking at the door and asking to join the party. Watch this space for future posts on developing apps on the Windows Phone 7 Series platform!

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• API Design Techniques

  - by Dehumanizer

  Is it right or more beautiful to name the functions with an prefix, like in Qt? Or using "many" namespaces, but 'normal' names for functions? For example, slOpenFile(); //"sl" means "some lib" vs some_lib::file_functions::openFile(); UPD: I've read somewhere that the first variant(using some prefix) is better, because the API users can perform 'fast' search among the documentation and in the Internet. E.g. by typing the magic prefix search engine starts to advice the exact functions. Is it enough to use the first variant?

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• Which programming language do you think is the most beautiful and which the ugliest? [closed]

  - by user1598390

  I would like to hear opinions about what programming language do you consider to produce the most legible, self-documenting, intention-transparent, beautiful-looking code ? And which produces the most messy-looking, unintentionally obfuscated, ugly code, regardless of it being good code ? Let me clarify: I'm talking about the syntax, "noise vs signal", structure of the language. Assignment operators. De-referencing. Whether it's dot syntax or "-" syntax. What languages do you think are inherently harder to read than others, given all other things being equal like, say, code quality, absence of code smells, etc. ?

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• Walking Through a Seaside Village Wallpaper

  - by Asian Angel

  Sea View [DesktopNexus] Latest Features How-To Geek ETC How to Enable User-Specific Wireless Networks in Windows 7 How to Use Google Chrome as Your Default PDF Reader (the Easy Way) How To Remove People and Objects From Photographs In Photoshop Ask How-To Geek: How Can I Monitor My Bandwidth Usage? Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware The Citroen GT – An Awesome Video Game Car Brought to Life [Video] Final Man vs. Machine Round of Jeopardy Unfolds; Watson Dominates Give Chromium-Based Browser Desktop Notifications a Native System Look in Ubuntu Chrome Time Track Is a Simple Task Time Tracker Google Sky Map Turns Your Android Phone into a Digital Telescope Walking Through a Seaside Village Wallpaper

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• Will the new Unity desktop be programmed in Qt?

  - by Brian Fleeger

  Will the desktop version of Unity, scheduled to appear in 11.04, be programmed using Qt? I ask this in relation to Matt Zimmerman's blog posting of several days ago, where he intimated that Qt was the more pragmatic choice for an SDK to get coders more involved. As a corollary, it would make sense if the whole desktop were in Qt, which would also make it possible to do a lot more beautiful effects, and make a more visually engrossing desktop experience. In any event, please elaborate on the future role of Qt in the Ubuntu desktop.

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• I removed nvidia driver and lshw -c video still shows nvidia

  - by sinekonata

  Today I tried to activate the newer experimental drivers and both 304 and 310 failed to even install. So I tried the regular nvidia driver 295.40 for the 20th time today (I had lag issues and was testing Nouveau vs Nvidia with dual monitor and Unity2D-3D) Within my tty1 I tried to remove nvidia: sudo apt-get remove nvidia-settings nvidia-current and purge too reboot, nothing. So when lshw -c video displayed nvidia as my driver I tried sudo rm /etc/X11/xorg.conf since I read ubuntu would "reset" the GUI conf but reboot, nothing. So next I tried sudo jockey-text --disable=xorg:nvidia_current And nothing has worked...

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• Enterprise Architecture - Wikipedia

  - by pat.shepherd

  I was looking at the Wikipedia entry for EA and found this chart which does a great job showing the differences of ENTERPRISE Architecture vs. SOLUTION Architecture across several categories.  This really gets at the heart of a misconception many people have about what EA is and where it sits in the grand business –> technical detail continuum. The following image from the 2006 FEA Practice Guidance of US OMB sheds light on the relationship between enterprise architecture and segment(BPR) or Solution architectures. (From this figure and a bit of thinking[which?] one can see that software architecture is truly a solution architecture discipline, for example.) Enterprise architecture - Wikipedia, the free encyclopedia

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• At what visitor share do you stop supporting a given browser?

  - by adam

  I'm lead dev for a large website which has a higher than average percentage of IE6 users - about 4.4% of our audience. Our new version is going to make use of progressive enhancement - including transitions and effects as well as rounded corners, gradients, web fonts and other CSS techniques. Obviously there are cross-browser ways to achieve most of these things which require various amounts of work to implement. What I'm currently looking into - and what I'd like your experiences of - is how to decide at what point we draw the line between providing an enhanced experience vs just supporting the functionality. FYI, I believe that this question meets the six guidelines for great subjective questions as defined in the FAQ. I'm after answers detailing why and how, not too short, with constructive comments, experiences, facts and references. Thanks! Adam

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• How vibrations might effect Kinect depth measurements

  - by dreza

  I'm currently doing some research into development with the Microsoft Kinect product. My project manager has come up with a potential design for mounting the camera to do the capturing. However the solution means that the camera might be subject to vibrations as the platform it is on is directly connected to where the subjects will be moving. It was my thought that vibrations would effect the quality of the results, however I could not come up with a viable explanation as to why, other than it's the same as if you held a camera in your hand and your hand was shaking vs using a tripod. Do vibrations effect the depth measurements on a Kinect and if so how can I explain this in simple terms to my PM to help come up with a better design to attach the sensor to?

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• Data-tier Applications in SQL Server 2008 R2

  - by BuckWoody

  I had the privilege of presenting to the Adelaide SQL Server User Group in Australia last evening, and I covered the Data Access Component (DAC) and the Utility Control Point (UCP) from SQL Server 2008 R2. Here are some links from that presentation:   Whitepaper: http://msdn.microsoft.com/en-us/library/ff381683.aspx Tutorials: http://msdn.microsoft.com/en-us/library/ee210554(SQL.105).aspx From Visual Studio: http://msdn.microsoft.com/en-us/library/dd193245(VS.100).aspx Restrictions and capabilities by Edition: http://msdn.microsoft.com/en-us/library/cc645993(SQL.105).aspx    Glen Berry's Blog entry on scripts for UCP/DAC: http://www.sqlservercentral.com/blogs/glennberry/archive/2010/05/19/sql-server-utility-script-from-24-hours-of-pass.aspx    Objects supported by a DAC: http://msdn.microsoft.com/en-us/library/ee210549(SQL.105).aspx   Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• Q1 2010 SP1 versions of Telerik ASP.NET AJAX and MVC suites are live

  The Q1 2010 SP1 releases of RadControls for ASP.NET AJAX and Telerik Extensions for ASP.NET MVC are available for download. Lots of fixes and several new features/enhancements are incorporated in these SP releases. The highlight with this drop we announce official support for VS 2010/.NET 4 RTM. Find more details browsing the online demos, documentation and release notes below: RadControls for ASP.NET AJAX Release notesDemos DocumentationTelerik Extensions for ASP.NET MVCRelease notes Demos DocumentationDid 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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• The future is looking brighter &ndash; debugging Windows Azure in the cloud with IntelliTrace

  - by Eric Nelson

  One of the “warts” on Windows Azure development has been that once your application was deployed to the cloud, if things went wrong it was pretty tough to figure out the root problem. I knew for sometime we had a solution coming for Visual Studio 2010 users and I couldn’t wait to tell folks about it once it became public. I planned to do a detailed post subsequent to briefly mentioning it when I talked about the 1.2 SDK release. However … other stuff just keeps on getting in the way. Hence I have decided to point at Somas blog post on just that. Enjoy. Check out Peering into the cloud with IntelliTrace  NB: You will need the Ultimate Edition of Visual Studio 2010 to use this feature. Sorry.

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• New videos available #dax #ssas #powerpivot

  - by Marco Russo (SQLBI)

  The collaboration I and Alberto started with Project Botticelli is starting producing content. At this point we have three videos available: DAX in Action shows the power of DAX in PowerPivot solving common patterns not so easy or fast to solve in other languages DAX: Calculated Columns vs. Measures shows the difference between calculated columns and measures in DAX Introduction to DAX has a content corresponding to the title! The first two videos are freely available, the third one is longer and visible only to subscribers. The goal for this series of video is to reach advanced Excel users and BI developers that are new to DAX. If we should categorize this content, it’s a sort of level 200 session in a conference. I don’t expect readers of this blog to watch this video (if not for the sake of curiosity!) but if you have to explain this subject to anyone else and you have other priorities… well, you can add this post to the list of resources you provide for studying the subject!

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• What are examples of games with "minimalist" models/art assets

  - by Ken

  When teaching game development, my student's obsess about building realistic or complex art/models/animation. And spending wayyy to much time trying to get accurate collision detection between two 3D models [despite my best efforts] However I would like them to spend more time thinking about developing the game mechanics, interaction and game play. I'm looking for some games where the visuals are simple but have good game play. Things I am thinking about are Cubes' vs Spheres or Impossible Game. What are more examples of visually simple (preferably 3D) games to help inspire my students?

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• Most efficient AABB - Ray intersection algorithm for input/output distance calculation

  - by Tobbey

  Thanks to the following thread : most efficient AABB vs Ray collision algorithms I have seen very fast algorithm for ray/AABB intersection point computation. Unfortunately, most of the recent algorithm are accelerated by omitting the "output" intersection point of the box. In my application, I would interested in getting both the the distance from source ray to input: t0 and source ray to output of bounding box: t1. I have seen for instance Eisemann designed a very fast version regarding plucker, smits, ... , but it does not compare the case when both input/output distance should be computed see: http://www.cg.cs.tu-bs.de/publications/Eisemann07FRA/ Does someone know where I can find more information on algorithm performances for the specific input/output problem ? Thank you in advance

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• multithreading problem with Nvidia PhysX

  - by xcrypt

  I'm having a multithreading problem with Nvidia PhysX. the SDK requires that you call Simulate() (starts computing new physics positions within a new thread) and FetchResults(waits 'till the physics computations are done). Inbetween Simulate() and FetchResults() you may not 'compute new physics' It is proposed (in a sample) that we create a game loop as such: Logic (you may calculate physics here and other stuff) Render + Simulate() at start of Render call and FetchResults at end of Render() call However, this has given me various little errors that stack up: since you actually render the scene that was computed in the previous iteration in the game loop. I wonder if there's a way around this? I've been trying and trying, but I can't think of a solution...

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• NetBeans 6.9 Released

  - by Duncan Mills

  Great news, the first NetBeans release that has been conducted fully under the stewardship of Oracle has now been released. NetBeans IDE 6.9 introduces the JavaFX Composer, a visual layout tool for building JavaFX GUI applications, similar to the Swing GUI builder for Java SE applications. With the JavaFX Composer, developers can quickly build, visually edit, and debug Rich Internet Applications (RIA) and bind components to various data sources, including Web services. The NetBeans 6.9 release also features OSGi interoperability for NetBeans Platform applications and support for developing OSGi bundles with Maven. With support for OSGi and Swing standards, the NetBeans Platform now supports the standard UI toolkit and the standard module system, providing a unique combination of standards for modular, rich-client development. Additional noteworthy features in this release include support for JavaFX SDK 1.3, PHP Zend framework, and Ruby on Rails 3.0; as well as improvements to the Java Editor, Java Debugger, issue tracking, and more. Head over to NetBeans.org for more details and of course downloads!

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• Handling different screen densities in Android Devices?

  - by DevilWithin

  Well, i know there are plenty of different-sized screens in devices that run Android. The SDK I code with deploys to all major desktop platforms and android. I am aware i must have special cares to handle the different screen sizes and densities, but i just had an idea that would work in theory, and my question is exactly about that method, How could it FAIL ? So, what I do is to have an ortho camera of the same size for all devices, with possible tweaks, but anyway that would grant the proper positioning of all elements in all devices, right? We can assume everything is drawn in OpenGLES and input handling is converted to the proper camera coordinates. If you need me to improve the question, please tell me.

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• NEON Intrinsic Support in CE7

  - by Kate Moss' Open Space

  Just a side note for people who may be interested in creating high performance code to take advantage on NEON instruction set but wish to use NEON intrinsic instaed of coding assembly. Compiler won't generate NEON opcode unless application use the NEON intrinsic explicitly. Basically, you need ARMv7 build enviroment, so compiler can emit NEON opcode. Intrinsic prototype can be found in public\COMMON\sdk\inc\arm_neon.h and that is all you got. If you ever find an NEON opcode does not have corresponding intrinsic, you still need to use the old trick - write that part of code in assembly.

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• Why does Javascript use JSON.stringify instead of JSON.serialize?

  - by Chase Florell

  I'm just wondering about "stringify" vs "serialize". To me they're the same thing (though I could be wrong), but in my past experience (mostly with asp.net) I use Serialize() and never use Stringify(). I know I can create a simple alias in Javascript, // either JSON.serialize = function(input) { return JSON.stringify(input); }; // or JSON.serialize = JSON.stringify; http://jsfiddle.net/HKKUb/ but I'm just wondering about the difference between the two and why stringify was chosen. for comparison purpose, here's how you serialize XML to a String in C# public static string SerializeObject<T>(this T toSerialize) { XmlSerializer xmlSerializer = new XmlSerializer(toSerialize.GetType()); StringWriter textWriter = new StringWriter(); xmlSerializer.Serialize(textWriter, toSerialize); return textWriter.ToString(); }

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• Just too bright

  - by Bunch

  Like a lot of folks I am using SSMS and VS pretty much all day. But staring at the text on the stark white background can be a bit much for my eyes after a while. I have seen quite a few different “themes” for these apps which change all the colors around to make it easier on your eyes. Some of them are pretty cool but all I really wanted was to dim the background a little not radically change the way everything looked. Since the stock colors for comments, breakpoints, keywords and the like are so familiar I wanted a background that did not interfere with those colors. So I picked the following custom color for the item background. It comes off as a parchment type color. Hue: 42        Red: 244 Sat: 123    Green: 245 Lum: 221    Blue: 224

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• How do I properly use multithreading with Nvidia PhysX?

  - by xcrypt

  I'm having a multithreading problem with Nvidia PhysX. the SDK requires that you call Simulate() (starts computing new physics positions within a new thread) and FetchResults() (waits 'till the physics computations are done). Inbetween Simulate() and FetchResults() you may not "compute new physics". It is proposed (in a sample) that we create a game loop as such: Logic (you may calculate physics here and other stuff) Render + Simulate() at start of Render call and FetchResults at end of Render() call However, this has given me various little errors that stack up: since you actually render the scene that was computed in the previous iteration in the game loop. Does anyone have a solution to this?

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• The provider did not return a ProviderManifestToken string Entity Framework

  - by PearlFactory

  Moved from Home to work and went to fire up my project and after long pause "The provider did not return a ProviderManifestToken string" or even More Abscure ProviderIncompatable Exception Now after 20 mins of chasing my tail re different ver of EntityFramework 4.1 vs 4.2...blahblahblah Look inside at the inner exception A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible DOH!!!! Or a clean translation is that it cant find SQL or is offline or not running. SO check the power is on/Service running or as in my case Edit web.config & change back to Work SQL box   Hope you dont have this pain as the default errors @ the moment suck balls in the EntityFramework 4.XX releases   Cheers

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• How should I select continuous integration tool?

  - by DeveloperDon

  I found this cool comparison table for integration servers on Wikipedia, but I am a little uncertain how to rank the tools vs. my needs and interests. The chart itself seems to have a lot of boxes marked unknown, so if you are comfortable updating it on Wikipedia, that could be great too. Are there a few top performing products so I can quickly narrow down to four or five options? Which products seems to have the largest user communities and most ongoing enhancements and integration with new tools? Are the open source offerings best, or are there high quality tools that can be a great deal for a single user at home? Will use of multiple systems (primary desktop, local only home network server, personal and work notebooks, multiple virtual machines spread across all) create problems and how can they be managed?

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• Is it possible to update the livetile in XNA WP7 game?

  - by Jaakko Lipsanen

  ( I'm not sure if this question belongs here, but since it is related to game development and I have no idea where else I should post this, I will post this here ) As the title says, what I am basically asking is if it is possible to update the livetile of an pure XNA game ( not SL + XNA hybrid )? I've been thinking something like that whenever user launches the game, I would create an texture dynamically and then update the livetile to show that texture. Even better would be if I could schedule this code to run for example once a day, without requiring user to even launch the game. Is this possible in WP7 or in WP8 ( is the WP8 SDK even publicly released yet? ) in pure XNA game? What about in XNA + SL hybrid?

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