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  • Google ou le data warehouse mondial : Partage de connaissance ou possession du marché mondiale ?

    Google ou le data warehouse mondiale Partage de connaissance ou possession du marché mondiale ? Google a annoncé la mise en ligne de données supplémentaires nommé World Bank sur son outil public data explorer Via cet outil, vous trouvez toutes les informations mondiales concernant l'agriculture, la consommation électrique par capital, l'émission de CO2 par capital, le nombre d'utilisateurs d'internet,... Ainsi, vous avez par différents graphiques, des statistiques sur toutes les capitales dont vous pourrez comparer les différentes informations propres à ...

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  • Why can't Ubuntu find an ext3 filesystem on my hard-drive?

    - by urig
    This question is related to this question: Not enough components to start the RAID array? I'm trying to retrieve data from a "Western Digital MyBook World Edition (white light)" NAS device. This is basically an embedded Linux box with a 1TB HDD in it formatted in ext3. It stopped booting one day for no apparent reason. I have extracted the HDD from the NAS device and installed it in a desktop machine running Ubuntu 10.10 in the hope of accessing the files on the drive. I have followed instructions in this forum post, intended to mount the drive through Terminal: http://mybookworld.wikidot.com/forum/t-90514/how-to-recover-data-from-wd-my-book-world-edition-nas-device#post-976452 I have identified the partition that I want to mount and recover files from as /dev/sd4 by running "fdisk -l" and getting this: Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0001cf00 Device Boot Start End Blocks Id System /dev/sdb1 5 248 1959930 fd Linux raid autodetect /dev/sdb2 249 280 257040 fd Linux raid autodetect /dev/sdb3 281 403 987997+ fd Linux raid autodetect /dev/sdb4 404 121601 973522935 fd Linux raid autodetect// When I try to mount using: "mount -t ext3 /dev/sdb4 /media/xyz" I get the following error: mount: wrong fs type, bad option, bad superblock on /dev/sdb4, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so And "dmesg | tail" shows me: [ 15.184757] [drm] Initialized nouveau 0.0.16 20090420 for 0000:01:00.0 on minor 0 [ 15.986859] [drm] nouveau 0000:01:00.0: Allocating FIFO number 1 [ 15.988379] [drm] nouveau 0000:01:00.0: nouveau_channel_alloc: initialised FIFO 1 [ 16.353379] EXT4-fs (sda5): re-mounted. Opts: errors=remount-ro,commit=0 [ 16.705944] tg3 0000:02:00.0: eth0: Link is up at 100 Mbps, full duplex [ 16.705951] tg3 0000:02:00.0: eth0: Flow control is off for TX and off for RX [ 16.706102] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 19.125673] EXT4-fs (sda5): re-mounted. Opts: errors=remount-ro,commit=0 [ 27.600012] eth0: no IPv6 routers present [ 373.478031] EXT3-fs (sdb4): error: can't find ext3 filesystem on dev sdb4. I guess that last line is the punch line :) Why can't it find the ext3 filesystem on my drive? What do I need to do to mount this partition and copy its contents? Does it have anything to do with the drive being part of a RAID Array (see question mentioned above)? Many thanks to any who can help.

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  • Why occlusion is failing sometimes?

    - by cad
    I am rendering two cubes in the space using XNA 4.0 and occlusion only works from certain angles. Here is what I see from the front angle (everything ok) Here is what I see from behind This is my draw method. Cubes are drawn by serverManager and serverManager1 protected override void Draw(GameTime gameTime) { GraphicsDevice.Clear(Color.CornflowerBlue); switch (_gameStateFSM.State) { case GameFSMState.GameStateFSM.INTROSCREEN: spriteBatch.Begin(); introscreen.Draw(spriteBatch); spriteBatch.End(); break; case GameFSMState.GameStateFSM.GAME: spriteBatch.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend); // Text screenMessagesManager.Draw(spriteBatch, firstPersonCamera.cameraPosition, fpsHelper.framesPerSecond); // Camera firstPersonCamera.Draw(); // Servers serverManager.Draw(GraphicsDevice, firstPersonCamera.viewMatrix, firstPersonCamera.projMatrix); serverManager1.Draw(GraphicsDevice, firstPersonCamera.viewMatrix, firstPersonCamera.projMatrix); // Room //roomManager.Draw(GraphicsDevice, firstPersonCamera.viewMatrix); spriteBatch.End(); break; case GameFSMState.GameStateFSM.EXITGAME: break; default: break; } base.Draw(gameTime); fpsHelper.IncrementFrameCounter(); } serverManager and serverManager1 are instances of the same class ServerManager that draws a cube. The draw method for ServerManager is: public void Draw(GraphicsDevice graphicsDevice, Matrix viewMatrix, Matrix projectionMatrix) { cubeEffect.World = Matrix.CreateTranslation(modelPosition); // Set the World matrix which defines the position of the cube cubeEffect.View = viewMatrix; // Set the View matrix which defines the camera and what it's looking at cubeEffect.Projection = projectionMatrix; // Enable textures on the Cube Effect. this is necessary to texture the model cubeEffect.TextureEnabled = true; cubeEffect.Texture = cubeTexture; // Enable some pretty lights cubeEffect.EnableDefaultLighting(); // apply the effect and render the cube foreach (EffectPass pass in cubeEffect.CurrentTechnique.Passes) { pass.Apply(); cubeToDraw.RenderToDevice(graphicsDevice); } } Obviously there is something I am doing wrong. Any hint of where to look? (Maybe z-buffer or occlusion tests?)

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  • Connect Digest : 2011-03-12

    - by AaronBertrand
    Background Last year, I came to a very tough decision that I would cease publicizing Connect items in an attempt to drive up votes and get important issues fixed. This was almost entirely due to a couple of MVPs criticizing me for raising awareness of certain Connect items instead of letting them be found "naturally." I wasn't sure what world they were living in, where droves of everyday end users just happened to stumble upon Connect items without any prompting. I suppose it could be said that the...(read more)

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  • Introduction to Manual Directory Submission Service

    If you own a website and if you are also familiar with search engine optimization process then you must have heard about Manual Directory Submission Service. In which you can submit your website to different online directories for search purpose of your website. In this way customers can reach you easily from all over the world.

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  • A outsiders view of Fusion Apps.

    - by Grant Ronald
    Over the last couple of years I've heard some people comment that "Fusion isn't real".  I've heard customers say they wanted to choose different technology stacks because they felt that Fusion "wouldn't work for them". Interesting to hear an outsiders view of Fusion Apps. To one particular customer who asked me "do you think I've painted myself into a corner by choosing ..." (and I'll not name the product he mentioned) - Yes, I do think you are in a corner now ;o)  

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  • Quick Guide to Installing SQL Server 2014

    In this tip, we will demonstrate the installation of SQL Server 2014 on a notebook. While processing large amounts of data on a system like this might not be feasible, one can still learn how to configure and use the features of SQL Server 2014. "A real time saver" Andy Doyle, Head of IT ServicesAndy and his team saved time by automating backup and restores with SQL Backup Pro. Find out how much time you could save. Download a free trial now.

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  • How to Select a Facebook Application Development Team

    In today';s social-networking world Facebook is one of the unquestioning leaders. It gives unique opportunities to its users and is both a place to meet friends and a profitable advertising space. F... [Author: Dmitriy Kharchenko - Computers and Internet - April 10, 2010]

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  • Midsize Indepth Newsletter – Simplify And Modernize Your Business With Cloud Solutions

    - by Roxana Babiciu
    Read the Oracle Midsize InDepth Newsletter for the latest Dynamic Market Report on real-world adoption of cloud applications at midsize organizations. Hear from Talent Management expert and evangelist Pamela Stroko on the current state of employee engagement. Find out how midsize companies adopt Oracle WebLogic Server on Oracle Database Appliance. Plus view new research reports, videos, success stories and the latest midsize news.

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  • Oracle Enterprise Data Quality: A Leader in Customer Satisfaction

    - by Mala Narasimharajan
     It’s always good to hear feedback from practitioners – the ones who are in the trenches who have experienced both the good and the bad sides of enterprise software.   Gartner recently released a report which surveyed 260 data quality professionals from around the world and found that most expressed considerable satisfaction as a whole from their data quality tool vendors.  However, a couple of key findings stand out which include, Datanomic (acquired by Oracle), leading the pack in terms of overall customer satisfaction among data quality tools.  Read all about it right here http://bit.ly/Ay45SG

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  • Are these non-standard applications of rendering practical in games?

    - by maul
    I've recently got into 3D and I came up with a few different "tricky" rendering techniques. Unfortunately I don't have the time to work on this myself, but I'd like to know if these are known methods and if they can be used in practice. Hybrid rendering Now I know that ray-tracing is still not fast enough for real-time rendering, at least on home computers. I also know that hybrid rendering (a combination of rasterization and ray-tracing) is a well known theory. However I had the following idea: one could separate a scene into "important" and "not important" objects. First you render the "not important" objects using traditional rasterization. In this pass you also render the "important" objects using a special shader that simply marks these parts on the image using a special color, or some stencil/depth buffer trickery. Then in the second pass you read back the results of the first pass and start ray tracing, but only from the pixels that were marked by the "important" object's shader. This would allow you to only ray-trace exactly what you need to. Could this be fast enough for real-time effects? Rendered physics I'm specifically talking about bullet physics - intersection of a very small object (point/bullet) that travels across a straight line with other, relatively slow-moving, fairly constant objects. More specifically: hit detection. My idea is that you could render the scene from the point of view of the gun (or the bullet). Every object in the scene would draw a different color. You only need to render a 1x1 pixel window - the center of the screen (again, from the gun's point of view). Then you simply check that central pixel and the color tells you what you hit. This is pixel-perfect hit detection based on the graphical representation of objects, which is not common in games. Afaik traditional OpenGL "picking" is a similar method. This could be extended in a few ways: For larger (non-bullet) objects you render a larger portion of the screen. If you put a special-colored plane in the middle of the scene (exactly where the bullet will be after the current frame) you get a method that works as the traditional slow-moving iterative physics test as well. You could simulate objects that the bullet can pass through (with decreased velocity) using alpha blending or some similar trick. So are these techniques in use anywhere, and/or are they practical at all?

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  • SEO For Beginners

    So you've started your new site added you're products and your eager to see some return on your investment, some sales. You won't get any sales without any traffic that's why shops pay a premium to be in busy shopping malls. You could have the best shop in the world stocking the greatest products at the keenest prices, if no one can get to it your not going to sell much are you?

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  • Will we see a trend of "3d" games coming up in the near future?

    - by Vish
    I've noticed that the trend of movies is diving into the world of movies with 3-dimensional camera.For me it provoked a thought as if it was the same feeling people got when they saw a colour movie for the first time, like in the transition from black and white to colour it is a whole new experience. For the first time we are experiencing the Z(depth) factor and I really mean when I said "experiencing". So my question is or maybe if not a question, but Is there a possibility of a genre of 3d camera games upcoming?

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  • Chinese Search Engine Optimization - Start Today For Better Results

    If you are following the internet trends, you'll see that the Chinese population getting on the web is ever increasing and the most populated country in the world is making a huge impact online. Chinese search engine optimization is a great way to reach out to an audience in China however it differs in some ways from the traditional SEO practices.

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  • Collaborative coding chat options

    - by jayunit100
    Hi guys : Are there any established online sites for collaborative coding ? I have a github project with 5 developers, in different areas - we need somewhere that we can all "hangout" at. Right now we use group skype, but skype is designed more for family/social communication , and doesn't work on linux. IRC is okay, but its a little difficult to use for novices. an interface like yammer, twitter, facebook would be ideal, but also, we would want it to be real time (not requiring page reloads etc...)

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  • A Great Idea I Never Had. Better Elevator Automation, no Buttons in Elevator.

    After my second year at engineering school (Cornell University), I spent the summer working in a dream job as an intern at the world famous Ford Design Center in Dearborn Michigan.  The group I worked in was an elite group of engineers whose responsibilities were to figure out better ways to build the cars that [...]...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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  • Infragistics and CenterSpace Software Team Up to Deliver Mathematical Charting Solution

    Princeton, N.J. & Elstree, England & Corvallis, OR – May 5, 2010 — Infragistics, a world leader in user interface (UI) development tools and experts in the User Experience (UX) market, and CenterSpace Software, a leading provider of enterprise class numerical component libraries for the .NET platform, today announced that they have teamed up to bring a complete mathematical charting solution to .NET developers.

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  • Why Keep These 10 A Penny " How Long Will It Take To Program in Blah Blah Blah Language Questions" Open Yet Close This Question..? [migrated]

    - by user866190
    Why keep this question open and others like it open which basically asks how long does it take to learn a programming language? Yet I ask a valid question which basically asks how esteemed is a mathematics degree from the UK open university and would software employers hire whilst you are the course.. and it gets closed I love the advice I get from this site and I appreciate the fact that Software Technicians of all types use this site, but it's a bit shallow if you can't ask a question with a little bit of the real world involved

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