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• Future of desktop applications on Windows 8

  - by Vibhore Tanwer

  There are a lot of threads discussing existence of WPF/Silverlight/HTML5 on Windows 8, I just need to clarify the picture about desktop applications only, I have following queries to the experts What are the technologies available for developing desktop applications on Windows 8? What are the technologies I can use for creating rich multimedia applications. Currently I have an application with DirectX 9 and WPF. If I am to develop something like that for Windows 8 then what options are available to me, and what are the pros and cons of these. Is it a good idea to continue with the same DirectX 9 code on Windows 8 as well? What is the best option equivalent to DirectX, Is it XNA or is it DirectX 11 or something else? Performance an extensibility are critical points to me. All suggestions are welcome. Thanks in Advance.

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• Monitor Settings

  - by user171625

  I'm having some viewing issues when I plug my projector in to view video. At first, the video didn't appear through the projector, only the computer screen. The projector just showed the desktop. I restarted and tried again, and it worked at first, but then the picture from the streaming video would freeze (the audio continued working) and I could do nothing. I had to manually shut down the computer. This happened a few more times before I gave up. Is there anything I can do about this?

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• Which optional features would you recommend for a raytracer? [closed]

  - by locks

  I'm developing a basic triangle mesh raytracer on a short deadline. This means I can't implement every feature I come across, so I'm looking for some feedback about which features you think are most important, taking into consideration the performance of the feature and how much punch it packs. I'm especially looking for optimization techniques that allow for a faster rendering and simple techniques that make a big impact on the final scene quality. Is there any chance of making it fast enough to run in realtime? Here are some example of features I've read about: Anti-aliasing Bounding box Sky box

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• PowerShell script to find files that are consuming the most disk space

  As you know, SQL Server databases and backup files can take up a lot of disk space. When disk is running low and you need to troubleshoot disk space issues, the first thing to do is to find large files that are consuming disk space. In this article I will show you a PowerShell script that you can use to find large files on your disks. 12 essential tools for database professionalsThe SQL Developer Bundle contains 12 tools designed with the SQL Server developer and DBA in mind. Try it now.

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• why is the video freezing all the time on youtube yet the audio plays ok throughout?

  - by billy

  this is just a fresh install of ubuntu 12.04 . I tried it a few years ago when it was on 7.04 and had a lot of issues,then my pc broke and ive never tried it again until tonight. Everything seems to be working well except videos on youtube either wont play at all or freeze while the audio keeps going as normal. Is this a common issue thats gonna be fairly easy to fix or is it something to do with my video card?(ati radeon2100). Any help/advice would be much appreciated.If any other info is needed about my pc feel free to ask. thanks

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• USB mouse freezes

  - by Zabba

  A simple Microsoft Optical mouse 1000 (USB) that runs perfectly on Windows, freezes up under Ubuntu 10.x and Fedora 1x after about 10 minutes of using the OS.Rebooting, the same problem comes up again in a few minutes. Interestingly, the problem does not occur when Ubuntu is installed in Oracle VirtualBox VM. Installing Ubuntu "as usual" (i.e. not in a VM), causes the problem to occur. Has any one here faced the same problem or have a solution for it? Maybe using a different mouse that is known to work with Ubuntu 10.x? If it helps my system is: Asus P5NSLI motherboard (nVidia nForce 570 chipset), 4 GB RAM Ubuntu 10.10 refers to "32 bit" version of Ubuntu It seems that Ubuntu has a lot of all types of freeze issues. Can someone recommend a version of Ubuntu that is fairly recent and stable ? I intend to use Ubuntu for Ruby on Rails development.

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• Site loads Extremely slowly over HTTPS; loads perfectly over HTTP - Sudden and new issue

  - by guest234239048

  My business' website suddenly started loading extremely slowly over HTTPS last night and continues through today. The facts: Page loadtime via HTTPS - 2 minutes +, HTTP - 3 seconds max. NO updates were done on any site files in the past 2 weeks. This is on Shared Hosting HTTPS has worked perfectly over the past 9 months then suddenly failed yesterday. Hosting company and SSL issuer say there are no problems on their end. - Searches for others having similar issues return no results, it appears to be just me... Site is primarily run via php/mysql Currently attempted troubleshooting: Tried all major browsers and different versions - same result. Tried 2 separate ISPs - same result. Tried proxies - same result. Tried 3 separate computers - same result. I'm basically at a total loss here. Does anyone know what could cause such a thing to happen? Please help guide troubleshooting.

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• Battery died when updating from 12.04 to 12.10

  - by Aksh BriZmohun

  I started the update and went to sleep but I forgot to plugin AC adapter. When i woke up, laptop was off. I plugged in the AC cord and turned it on. Ubuntu boots and it is on 12.10 but may items are missing and neither gnome nor unity seem to work properly. It's also very slow and freezes sometimes. Is there a way to correct all those issues ? or revert back to 12.04 then re update to 12.10 without losing my data ?

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• Separate parts of a game engine [on hold]

  - by user272716

  I'm pretty new in developing videogames. By now I only used SDL with C/C++ to create games. I'm currently learning OpenGL and I realized that to be fluid and easy to maintain the code must be logically separated. Since I want to use OpenGLES on iOS and Android I was wondering how the engine must be imagined in a technical way, some questions came up: Do I have to separate input/update functions from draw functions in different threads? Is there only one proper way to think a game engine/loop? What kind of assets should I use to create a 3D game using openGl ES to get better performance?

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• Sound not working

  - by Jason

  I am new to ubuntu, but really enjoy it. I do have one issue with setting it up on my computer. It is a GoBook XR-1 and everything works perfectly except there is no sound. I've searched and tried everything that I can think of, even uninstalling ubuntu and trying Windows to see if the speakers worked. I found out that it wasn't the speakers or any hardware issues. I tried to download the Realtek drivers, but still no success.

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• how to make game objects to contain other objects?

  - by user3161621

  Im pretty undecided about what path to take here. The simplest that comes to mind is just adding a field List to the GameObject class where i would store the things contained in it. But would it be elegant and well tought? And would it be good performance wise?(ofc 99.9% of my objects wouldnt have anything stored in them...) What about deriving a ContainerObject from GameObject? This way only they would have additional fields but then i would have to change many things, my collections of objects would have to become a generic and id have to cast very often into GameObject...

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• Ubuntu and surround sound

  - by keith

  I'm trying to connect my Logitech x.530 to my Dell studio 1558 and get 5.1 sound. I have 3 jacks and in Windows I automatically could switch between line in adn mic. Which means I could get 5.1 surround over these 3 jacks. Ubuntu does not realise that one of the three jacks should be switched to give sound to the center and LFE speaker. I tried all the tips in the forums, but nothing works. I can only select 4.0 sound in pulse audio. As the dell and the IDT 92hd89e chip for the sound are probably famous laptops I thought there must be someone who has similar issues in the 5.1 sound. I would like to stay at Linux but without this hardware support it's almost impossible.

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• Websockets VS SSE

  - by user3385828

  Sorry for asking this here, I bet it has been asked plenty of times before but this time it's something specific which I haven't understood anywhere else: Suppose I have a service which requires to seek the database for different data once and in a while. For this I have 2 or 3 SSE, each one with a different retry basetime (20000 miliseconds, 1000 miliseconds...). What I'd like to know is if websockets can handle different "data type" accordingly to the request, for example, could I create one websocket to handle a notification system, a chat system, a group system instead of separated SSEs and treat data differently with javascript? And if so, would it be of higher interest (performance) than actually performing different queries to the server through different SSEs?

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• Verify SQL Server Stored Procedures are the same on multiple servers

  I have a stored procedure I push down to all of my servers that does a custom backup job and I want to make sure all servers have the same stored procedure. Is there some way to check without going to each server and reviewing the stored procedure? Check out this to find out. New! SQL Monitor 3.0 Red Gate's multi-server performance monitoring and alerting tool gets results from Day One.Simple to install and easy to use – download a free trial today.

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• Gnome 3.10 doesn't show login, Ubuntu 13.10

  - by TheWebs

  I use gnome as default desktop. And I recently upgrade Ubuntu to 13.10 then upgraded gnome to 3.10. Upon restarting, it brings me to the gnome log in screen (GDM) and all I see is the top banner part so like your date, music volume, option to restart, suspend or shutdown. Hitting control+alt+delete tells me gnome display manager will log out - it does but still nothing. I am on the log in screen, but there is no user to select, like there normally is or was. I can boot into safe mode and drop down to shell but I am not sure what commands I would enter to get the login screen back. I am using the gnome PPA's and the "unstable" PPA, so I expected issues, but not this - ideas?

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• OpenJDK In the News: Oracle Outlines Plans to Make the Future Java During JavaOne 2012 [..]

  - by $utils.escapeXML($entry.author)

  Phil Rogers, AMD Corporate Fellow and HSA Foundation President, joined Oracle on stage to discuss Project Sumatra, which was recently approved in the OpenJDK Community. Project Sumatra will explore how Java can be extended to support heterogeneous computing models for improved performance and power consumption.Oracle plans to propose Project Nashorn, a new JavaScript engine for the Java Virtual Machine (JVM), later this year in the OpenJDK Community. Oracle expects to enhance Project Nashorn with the support of several other OpenJDK Community contributors, including IBM, Red Hat and Twitter.The OpenJDK Community continues to host the development of the reference implementation of Java SE 8. Weekly developer preview builds of JDK 8 continue to be available from jdk8.java.net.Quotes taken from the 13th press release from Oracle mentioning OpenJDK, titled "Oracle Outlines Plans to Make the Future Java During JavaOne 2012 Strategy Keynote".

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• C++ game programming

  - by UnTraDe

  Until now I have been using C# with XNA for 2d and a little bit of 3d games, althought I dont remember that I finished any of them I want to start working with C++. I have a very very little exprience with C++ and my question is where to start? I plated a little bit with SFML and I encountered some problems with performance when I started to build a tile based game. I'm pretty sure that the problem is my code and not the library itself. Is there anything similiar to XNA for C++? I should keep try and work with SFML? Sorry for my bad english! Thanks in advance!

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• F1 Pit Pragmatics

  Occasionally, you just have to man up and deal with complex systems. In fact, sometimes you just need to sacrifice everything else in the name of performance. In Formula 1 Racing, each car has up to 100 sensors, transmitting around 30Gb of data over the course of a race (70% in real-time). This data is then processed by no less than 3 servers (per car) so that the engineers in the pit have access to telemetry, strategy information, timing feeds, while the servers are exposed to carbon dust, oil,...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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• Scaling SQL Server in Azure

  - by simonsabin

  If you’ve been reading the wires about SQL Azure you will have seen a change to the tiers that are being offered. Thsi is all so that you can get a more predictable performance level from the platform and also to enable Azure to manage the resources. You now have 3 categories basic, standard and premium, and within those you have some other levels. This enables you to start your service at a low level and then as required request more capacity (through the portal or API).   For details on the...(read more)

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• 2d engine with WebGL

  - by Philipp

  I am currently developing a HTML5 canvas game with a sprite-based 2d engine. The engine is working well so far, but now I thought that I could maybe add some cool graphic effects when I would re-implement the whole engine with WebGL. The whole graphic engine would stay strictly two-dimensional (think of it as a 3d world where the z coordinate of all vertices is 0.0). What I hope to gain from this is the ability to use pixel shaders to create special effects. I also think that the performance could improve. What do you think about that plan?

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• NetBeans 7.0.1 now in RC

  - by alexismp

  What would a GlassFish release be without a NetBeans version to go with it? The NetBeans team has released the NetBeans IDE 7.0.1 RC 1 which will bring full compatibility with JDK 7 as well as GlassFish 3.1.1 support (this particular RC ships with the soft code freeze build of GlassFish 3.1.1). This 7.0.1 RC 1release also includes numerous bugfixes and performance improvements across all areas and is available from the usual download page and the final version of NetBeans IDE 7.0.1 is expected in late July (once JDK 7 has shipped would be an educated guess). Note that if you're an existing NetBeans 7.0 user you'll be offered with updates to your existing install via the Update Center once 7.0.1 final ships.

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• Row Versioning Concurrency in SQL Server

  The optimistic concurrency model assumes that several concurrent transactions can usually complete without interfering with each other, and therefore do not require draconian locking on the resources they access. SQL Server 2005, and later, implements a form of this model called row versioning concurrency. It works by remembering the value of the data at the start of the transaction and checking that no other transaction has modified it before committing. If this optimism is justified for the pattern of activity within a database, it can improve performance by greatly reducing blocking. Kalen Delaney explains how it works in SQL Server.

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• Letters of recommendation from customers? [closed]

  - by dafrazzman

  I am leaving my job soon and am looking for letters of recommendation. My problem is, I've worked more closely with my customers than my project lead (not technical) or manager (the customers usually talk to me first and rarely even if CC my lead if I don't). So in this case, the customer has seen my work more closely than my leadership and can better attest to my abilities, communication skills, and performance. Are recommendations from customers viable, or will they be largely dismissed? Secondarily, can they be more useful than letters from managers that don't really know your work at all? Note: I already have a letter from the only coworker I've really worked with, but I'm looking to get more than one for good measure.

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• Release Notes for 8/23/2012

  Below are the release notes from today's deployment. Improved the inline diff load performance for large diff sets Fixed a few issues related to sending and saving comments within a Pull Request Improved stability of the notification service Fixed an issue when directly linking to a file in the source browser, selected file was not being shown in the tree view Have ideas on how to improve CodePlex? Please visit our suggestions page! Vote for existing ideas or submit a new one. As always you can reach out to the CodePlex team on Twitter @codeplex or reach me directly @mgroves84

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• Second monitor stopped working

  - by Mark D

  After setting up 11.10 today, I seem to be having problems with my dual monitor set up. It worked without issues in Mint but today after I switched to 11.10 only one monitor seems to function. This seems a little odd to me. During setup both monitors functioned without issue, although they were mirroring each other both monitors but as soon as it booted into Unity my secondary monitor stopped working. I checked under settings-display and the second monitor doesn't seem to even be detected. On the off chance it had something to do with drivers, I upgraded the proprietary drivers to the latest version with zero success. If anyone has any ideas, I'd love to hear them.

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