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• runt integrated intel graphics card + nvidia pcie graphics card?

  - by Roberto

  Its days I am searching for information/help. Is this possible at all? I am running Ubuntu 11.10 on an intel core i3 530 on a intel dh55hc mainboard. I have 2 monitors attached, one on dvi and one on hdmi. I want to ad a third or eaven a fourth monitor using an additional graphics card nvidia in pcie slot. I cant get an image on all monitors at the same time. I am wondering if this is possible at all? Any ideas where I can get information about this? Thanks in advance Roberto

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• Unrecoverable error during WUBI installation

  - by john

  I tried to install 12.10 on my PC with Windows 7 installed, but I don't have a CD drive and my PC doesn't support USB booting, so I tried the Windows Installer (WUBI). I had the ISO image mounted with daemon tools, so the Windows installer took those files and used them (I guess, because it didn't download any files). Everything went right, but when it prompted me to reboot, I rebooted the PC and then it starts to install, but when the installation process starts, a message that says: The installation found a unrecoverable error. pops out and makes me reboot, then when I select Ubuntu in the operating system selection screen, it says that an error occurred.

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• Example: Controlling randomizer using code contracts

  - by DigiMortal

  One cool addition to Visual Studio 2010 is support for code contracts. Code contracts make sure that all conditions under what method is supposed to run correctly are met. Those who are familiar with unit tests will find code contracts easy to use. In this posting I will show you simple example about static contract checking (example solution is included). To try out code contracts you need at least Visual Studio 2010 Standard Edition. Also you need code contracts package. You can download package from DevLabs Code Contracts page. NB! Speakers, you can use the example solution in your presentations as long as you mention me and this blog in your sessions. Solution has readme.txt file that gives you steps to go through when presenting solution in sessions. This blog posting is companion posting for Visual Studio solution referred below. As an example let’s look at the following class. public class Randomizer {     public static int GetRandomFromRange(int min, int max)     {         var rnd = new Random();         return rnd.Next(min, max);     }       public static int GetRandomFromRangeContracted(int min, int max)     {         Contract.Requires(min < max, "Min must be less than max");           var rnd = new Random();         return rnd.Next(min, max);     } } GetRandomFromRange() method returns results without any checking. GetRandomFromRangeContracted() uses one code contract that makes sure that minimum value is less than maximum value. Now let’s run the following code. class Program {     static void Main(string[] args)     {         var random1 = Randomizer.GetRandomFromRange(0, 9);         Console.WriteLine("Random 1: " + random1);           var random2 = Randomizer.GetRandomFromRange(1, 1);         Console.WriteLine("Random 2: " + random2);           var random3 = Randomizer.GetRandomFromRangeContracted(5, 5);         Console.WriteLine("Random 3: " + random3);           Console.WriteLine(" ");         Console.WriteLine("Press any key to exit ...");         Console.ReadKey();     } } As we have not turned on support for code contracts the code runs without any problems and we get no warnings by Visual Studio that something is wrong. Now let’s turn on static checking for code contracts. As you can see then code still compiles without any errors but Visual Studio warns you about possible problems with contracts. Click on image to see it at original size.  When we open Error list and run our application we get the following output to errors list. Note that these messages are not shown immediately. There is little delay between application starting and appearance of these messages. So wait couple of seconds before going out of your mind. Click on image to see it at original size.  If you look at these warnings you can see that warnings show you illegal calls and also contracts against what they are going. Third warning points to GetRandomFromRange() method and shows that there should be also problem that can be detected by contract. Download Code Contracts example VS2010 solution | 30KB

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• Setting up Oracle Linux 6 with public-yum for all updates

  - by wcoekaer

  I just wanted to give you a quick example on how to get started with Oracle Linux 6 and start using the updates we published on http://public-yum.oracle.com. Download Oracle Linux (without the requirement of a support subscription) from http://edelivery.oracle.com/linux. Install Oracle Linux from the ISO or DVD image Log in as user root Download the yum repo file from http://public-yum.oracle.com # cd /etc/yum.repos.d # wget http://public-yum.oracle.com/public-yum-ol6.repo If you want, you can edit the repo file and enable other repositories, I enabled [ol6_UEK_latest] by just setting enabled=1 in the file with a text editor. Run yum repolist to show the registered channels and you see we are including everything including the latest published RPMs. Now you can just run yum update and any time we release new security errata or bugfix errata for OL6, they will be posted and you will automatically get them. It's very easy, very convenient and actually very cool. We do a lot more than just build OL RPMs and distribute them, we have a very comprehensive test farm where we test the packages extensively.

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• Anisotropic and trilinear filtering?

  - by fedab

  I'm confused about the usage of trilinear filtering and anisotropic filtering in SharpDX. As far as i understood, trilinear filtering does linear filtering to the textures and in a case of LOD-change it also interpolates between the too LODs to smooth the transition. Anisotropic filtering make the texture bigger. Now it is possible to use trilinear filtering to do the same thing, due to anisotropic filtering with bigger textures. This causes a lesser blurred image, when you use anisotropy, because the interpolation is better. Now, it should be possible to use trilinear filtering and anisotropic filtering at the same time. But in the SamplerState i can only choose Filter.Anisotropy or Filter.MinMagMipLinear (should be trilinear, right?). You can see all possible filters here: D3D11 Filter Enumeration. So my question: Can you use both techniques together, if yes, how can i archieve that in SharpDX with SamplerState?

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• Should I start learning WPF?

  - by questron

  Hi, I've been studying C# for about 2 months so far, I have a few years experience programming however in VBA and VB6, but nothing too in depth (I've written simple tools, but nothing too advanced). I am very interested in WPF and I was wondering whether it would be too early for me to start learning how to use it? For reference, I am about 400 pages into 'Head First C#' and I've written a program that can quickly tag image files for moving into a predefined folder or to delete (Allows the user to pull images off of a camera memory card and sort VERY quickly). That's the most advanced app I've written.

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• Wirenet : découverte du premier trojan Linux/Mac OS X interplateforme de vol de mot de passe

  Wirenet : le premier trojan Linux/Mac OS X interplateforme De vol de mot de passe Doctor Web, l'éditeur russe d'antivirus, a annoncé l'émergence du premier Trojan Linux/OSX interplateforme de vol de mot de passe. Par l'utilisation d'un backdoor, le malware au nom de code BackDoor.Wirenet.1 arrive à transporter les données de l'utilisateur vers un serveur de contrôle situé à l'adresse 212.7.208.65. Les données récoltées comportent les touches de claviers tapées à l'image d'un keylogger et les mots de passe des utilisateurs enregistrés dans les navigateurs Opera, Firefox, Chrome et Chromium et dans les applications Thunderbird, SeaMonkey et Pidgin. L'AES (Advanced Encryption...

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• What payment gateways fit my website?

  - by Amr ElGarhy

  I am building an image hosting website and users will pay for extra storage, this means that for example: each 1GB over the first 3GB, I will charge the user for some money per GB. I want to integrate in my website a payment way so that I can let the users pay through and also let me to collect these money later either getting them through ATM or to get it in my bank account. I can't user paypal because it is not working in my country Egypt. Can you advice me with a service and some tips about how users will pay and how I will get the money from.

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• What You Said: How You Organize Your Apps

  - by Jason Fitzpatrick

  Earlier this week we asked you to share your tips and tricks for keeping your apps organized and accessible; now we’re back to showcase some great reader tips to help you manage your mountain of apps. One of the trends was striving for consistency across environments. Henrique highlights how this plays out on a dual OS setup: On my windows desktop I use the taskbar and to keep my day to day applications (basically firefox, itunes, office, adobe, evernote and wunderkit), and whenever I need something else, I use windows built in search, which is quite fast, despite needing a few more clicks than spotlight would. On my macbook the dock is basically mirrors my taskbar, and I use spotlight for other applications, but launchpad is wining my heart a bit more every day. It’s faster then than accessing the applications folder and the windows start menu, and possibly even than spotlight, at least for apps How To Properly Scan a Photograph (And Get An Even Better Image) The HTG Guide to Hiding Your Data in a TrueCrypt Hidden Volume Make Your Own Windows 8 Start Button with Zero Memory Usage

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• Ubuntu 12.04.3 alongside Windows 8.1

  - by user208329

  I brought a new Notebook which has pre-installed Windows 8.1 with an uefi* (-Bios) and secure boot*. (* can switch or turn so off, still no success) When i try to install Ubuntu 12.04.3, the installer doesn't recognize Windows 8.1. There were options, to delete the whole disk or do something else. The second option, shows a few partitions (NTFS) but no Windows. The Ubuntu 13.10 version even did start on my notebook, it gets frozen during start up. (I thought. maybe the newer one will recognize Windows.) I'm not very confident in manipulating grub, I hope there is an easy way or an easy description. Gparted shows: Device Type Size Used /dev/sda freespace 1MB /dev/sda ntfs 1073MB 408MB /dev/sda2 efi 104MB 52MB /dev/sda3 ntfs 134MB 45MB /dev/sda4 ntfs 988465MB 23947MB /dev/sda5 ntfs 10424MB 9483MB free space 0MB /dev/sdb1 fat32 16929MB 9412MB (USB-drive Ubuntu-image)

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• The Open Road Awaits [Wallpaper]

  - by Asian Angel

  ROAD TO PARADISE [DesktopNexus] Latest Features How-To Geek ETC Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions Awesome 10 Meter Curved Touchscreen at the University of Groningen [Video] TV Antenna Helper Makes HDTV Antenna Calibration a Snap Turn a Green Laser into a Microscope Projector [Science] The Open Road Awaits [Wallpaper] N64oid Brings N64 Emulation to Android Devices Super-Charge GIMP’s Image Editing Capabilities with G’MIC [Cross-Platform]

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• Issue with Mapping Textures to Models in Blender

  - by Passage

  I've been trying to texture a model using Blender, but when I draw on the UV Editor it doesn't show up on the model, and I can't draw on the model itself. I've tried saving the image and the 3D View is set to Texture. Everything seems to be in order and I've followed several tutorials, but none of them seem to work with the version I'm using (2.64-- update was necessary for import plugin) and I'm absolutely stumped. How can I draw textures to the model? If not within Blender itself, how do I export/import the textures? EDIT: Vertex Paint works, though it is insufficient for my purposes. In addition, moving to the rendered view produces a solid-color model with none of the applied textures.

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• How to embed Instagram photos and videos on your blog / website

  - by Gopinath

  Tired of hacks to embed Instagram photos and videos on your website? Here is some good news – Instagram now officially allows you to embed public photos & videos on web through a simple IFrame snippet. When viewing an Instagram photo or video through the web interface, you can get embed snippet by clicking on the new “share” button . Here is a screen grab of new share button You can tweak the embed script to adjust height and width of the image but there are no options to remove link back to the Instagram website. Thanks to Instagram for making it so easy to embed beautiful pictures on internet.

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• android: How to apply pinch zoom and pan to 2D GLSurfaceView

  - by mak_just4anything

  I want to apply pinch zoom and panning effect on GLSurfaceView. It is Image editor, so It would not be 3D object. I tried to implement using these following links: https://groups.google.com/forum/#!topic/android-developers/EVNRDNInVRU Want to apply pinch and zoom to GLSurfaceView(3d Object) http://www.learnopengles.com/android-lesson-one-getting-started/ These all are links for 3D object rendering. I can not use ImageView as I need to work out with OpenGL so, had to implement it on GLSurfaceView. Suggest me or any reference links are there for such implementation. **I need it for 2D only.

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• Bullet Time in Real Life: Impacts Slowed Down with High Speed Cameras

  - by Jason Fitzpatrick

  Combine a little shooting range fun with a camera capable of shooting a million frames per second and you’ve got yourself the basis of pretty hypnotizing video. In the video above various rifle and handgun rounds are fired at a variety of materials–sheet metal, plate metal, gelatin–and captured in a halo of fragments and splatters. Have an equally enthralling high speed video to share? Throw a link in the comments! [via Mashable] How To Be Your Own Personal Clone Army (With a Little Photoshop) How To Properly Scan a Photograph (And Get An Even Better Image) The HTG Guide to Hiding Your Data in a TrueCrypt Hidden Volume

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• "Updating VMware Tools for Linux" spins forever

  - by Nicolas Raoul

  I installed Ubuntu 11.04 inside VMware Player 3.1.4 inside Ubuntu 10.10 When first booting on the ISO image I was asked if I wanted to download the VMware Tools for Linux and I accepted. It downloaded for a few minutes, and then it has been "updating" for an hour already. Even shutting down the VM does not stop it. If I try to exit VMware, I am told "Cannot exit while still downloading. Cancel all downloads and try again." but the dialog's Cancel button is greyed out. Nothing special in vmware.log I ended up killink VMware. A few days after I restarted it, it asked about the VMware Tools again, I accepted again, and same problem...

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• How to Fix a Stuck Pixel on an LCD Monitor

  - by Chris Hoffman

  Have you ever noticed that a pixel – a little dot on your computer’s LCD monitor – is staying a single color all of the time? You have a stuck pixel. Luckily, stuck pixels aren’t always permanent. Stuck and dead pixels are hardware problems. They’re often caused by manufacturing flaws – pixels aren’t supposed to get stuck or die over time. Image Credit: Alexi Kostibas on Flickr How to Fix a Stuck Pixel on an LCD Monitor How to Factory Reset Your Android Phone or Tablet When It Won’t Boot Our Geek Trivia App for Windows 8 is Now Available Everywhere

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• Why is my Simplex Noise appearing in four columns?

  - by Joe the Person

  I'm trying to make a Texture out of Simplex noise, but it keeps appearing like this regardless of how big or small scale is: The following code is used to produce the image's color date: private Color[,] GetSimplex() { Color[,] colors = new Color[800, 600]; float scale = colors.GetLength(0); for (int x = 0; x < 800; x++) { for (int y = 0; y < 600; y++) { byte noise = (byte)(Noise.Generate(x / scale, y / scale) * 255); colors[x, y] = new Color(noise, noise, noise); } } return colors; }

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• Tools for assembling textures into DDS files

  - by Nicol Bolas

  There are plenty of tools for making images. I'm not looking for one of those; I have many tools for creating an image. I've got tools for compressing images, generating mipmaps, and even for poking at their basic data format. My issue is with texture assembly. DDS files support cubemaps, array textures, and even cubemap arrays. But I don't know of a tool that can pack a series of images into a cubemap or the like. What tools are available for doing this kind of thing?

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• Strange GTK3 issue with Audacious and Evince (Document Viewer)

  - by Sman789

  I find that, in some GTK3 apps such as Audacious and Evince (Document Viewer), parts of the UI are pure black, which looks ugly and out-of-place. It is not intentional, as the screenshots on both websites show the app looking different. I only have this issue with the Adwaita GTK theme, but since it comes with Gnome 3 and is the main theme these apps are designed for, I'm guessing the problem is not simply the theme having some bug (though the Ubuntu package might). I have had this issue on two laptops now, running both Ubuntu 12.04 and Xubunu 12.10 with Gnome Shell and Adwaita. The screenshots below show the problem: Audcious's is visible in the search area around the text box, and behind the playlist tabs, and Evince's is visible in more or less the same position and around the document itself. Compare this from the Audacious homepage: With this image from my system: And Evince too:

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• How can I record an OpenGL game in Ubuntu?

  - by fish

  I would like to create a short clip of me playing Minecraft, an OpenGL game. The usual screencast recorders do not properly record OpenGL. What kind of software is available for this purpose? My experience with the software in the similar (but no longer duplicate) question: kazam: very low framerate despite setting to 60 FPS, no sound, unity menubar constantly flashing through the fullscreen window. RecordMyDesktop: max framerate setting is 50 FPS, but the video becomes extremely fast if not using the default 15 FPS. xvidcap: not available on 12.04 tibesti: not available on 12.04 wink: does not run ffmpeg: very low quality video and no sound with the recommended settings, might be tunable though (no gui unfortunately). kdenlive: uses recordmydesktop, and the recorded clip becomes corrupted aconv: video sped up, often broken image, no sound

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• How can I view an R32G32B32 texture?

  - by bobobobo

  I have a texture with R32G32B32 floats. I create this texture in-program on D3D11, using DXGI_FORMAT_R32G32B32_FLOAT. Now I need to see the texture data for debug purposes, but it will not save to anything but dds, showing the error in debug output, "Can't find matching WIC format, please save this file to a DDS". So, I write it to DDS but I can't open it now! The DirectX texture tool says "An error occurred trying to open that file". I know the texture is working because I can read it in the GPU and the colors seem correct. How can I view an R32G32B32 texture in an image viewer?

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• How to Transfer Files Between Your PC and Android Phone Wirelessly

  - by Zainul Franciscus

  Mounting your Android phone to transfer files is fast and efficient, but nothing beats the convenience of a wireless file transfer. Today, we’ll show you how to transfer files between Android and your computer without a USB cable Latest Features How-To Geek ETC How To Colorize Black and White Vintage Photographs in Photoshop How To Get SSH Command-Line Access to Windows 7 Using Cygwin The How-To Geek Video Guide to Using Windows 7 Speech Recognition How To Create Your Own Custom ASCII Art from Any Image How To Process Camera Raw Without Paying for Adobe Photoshop How Do You Block Annoying Text Message (SMS) Spam? Change Your MAC Address to Avoid Free Internet Restrictions Battlestar Galactica – Caprica Map of the 12 Colonies (Wallpaper Also Available) View Enlarged Versions of Thumbnail Images with Thumbnail Zoom for Firefox IntoNow Identifies Any TV Show by Sound Walk Score Calculates a Neighborhood’s Pedestrian Friendliness Factor Fantasy World at Twilight Wallpaper

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• Oracle Applications Day 2012. Experience the Global Innovation of Management Applications

  - by antonella.buonagurio

  10 ottobre 2012 – Milano, East End Studios | 17 ottobre 2012 - Roma, Officine Farneto Sono aperte le iscrizioni per partecipare agli appuntamenti dedicati alla comunità di Clienti e Partner: un’occasione imperdibile a Milano e Roma per condividere le soluzioni più innovative e le esperienze più significative sulle scelte strategiche per affrontare le sfide attuali e future. Iscriviti sul sito sito Oracle Applications Day 2012 ti offre l’opportunità di partecipare al concorso fotografico Oracle I.M.A.G.E. e vincere un iPad! Scatta le immagini che per te descrivono i cinque concept dell’evento (Innovation, Management, Applications, Global, Experience) ed inviale tramite il tuo smartphone. Per partecipare al contest visita la pagina Concorso sul sito E non dimenticare ORACLE RED! Diventa protagonista della comunicazione visiva dell’Oracle Applications Day: scatta la tua immagine Red Oracle e postala su INSTAGRAM con il cancelletto/hashtag #OracleApps_Red. Le tue foto potranno diventare lo slideshow che verrà proiettato in apertura dei lavori. Per ulteriori informazioni visita il sito Non perdere l’evento più “social cool” dell’anno! Il Team Oracle

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• HTG Explains: Why Do Hard Drives Show the Wrong Capacity in Windows?

  - by Chris Hoffman

  If you’ve ever purchased a computer with a hard disk capacity of 500 GB and opened Windows Explorer only to find that its capacity looked more like 440 GB, you may be wondering where all those gigabytes went. There are several reasons Windows could display the wrong amount of available space, from invisible shadow files, formatting overhead, and hidden recovery partitions to misleading (though technically accurate) storage capacities advertised by hard drive manufacturers. Image Credit: Norlando Pobre HTG Explains: Why Do Hard Drives Show the Wrong Capacity in Windows? Java is Insecure and Awful, It’s Time to Disable It, and Here’s How What Are the Windows A: and B: Drives Used For?

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