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  • Could not apply stored configuration for monitors

    - by Hernantz
    Well this happened when I upgraded to Natty. Not only seems I can't change my resolution to higher than 1024x768 but it appears at the left and using only 70% of the monitor's width. I tried logging in but in ubuntu classic mode, and i was able to change it, but that trick did not work anymore. (May this be a compiz problem?) Anyways, here is my /var/log/Xorg.0.log http://pastebin.com/Ew4wwLab and lspci -nn | grep VGA: 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03) I tried using xrandr for adding manually a resolution of 1280x1768 but without luck. Here is the xrandr output Screen 0: minimum 320 x 200, current 1024 x 768, maximum 4096 x 4096 LVDS1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm 1024x768 60.0*+ 800x600 60.3 56.2 640x480 59.9 VGA1 disconnected (normal left inverted right x axis y axis) TV1 disconnected (normal left inverted right x axis y axis) 1280x1024 (0xc6) 109.0MHz h: width 1280 start 1368 end 1496 total 1712 skew 0 clock 63.7KHz v: height 1024 start 1027 end 1034 total 1063 clock 59.9Hz

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  • Unable to add host running ubuntu for nagios monitoring?

    - by karthick87
    I am unable to add ubuntu server in nagios monitoring. I am getting "CHECK_NRPE: Socket timeout after 40 seconds." error for few services "CPU Load, Cron File Check, Current Users, Disk Check, NTP Daemon, Time Check, Total Processes, Zombie Processes". Please find the snapshot for the same below, Details: Installed nrpe plugin in ubuntu host. On running the below command from remote host running ubuntu (not nagios server) am getting the following output, root@ubuntu-cacher:~# /usr/local/nagios/libexec/check_nrpe -H localhost NRPE v2.13 But in nagios server i am getting "CHECK_NRPE: Socket timeout after 40 seconds." error. Additional Information: Am running nrpe under xinetd, when i execute the following command i dont get any output, root@ubuntu-cacher:~# netstat -at | grep nrpe But getting the following output when checking, root@ubuntu-cacher:~# netstat -ant|grep 5666 tcp 0 0 0.0.0.0:5666 0.0.0.0:* LISTEN tcp 0 0 172.29.*.*:5666 172.29.*.*:33693 ESTABLISHED tcp 0 0 172.29.*.*:5666 172.29.*.*:33692 ESTABLISHED

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  • Is this the right strategy to convert an in-level order binary tree to a doubly linked list?

    - by Ankit Soni
    So I recently came across this question - Make a function that converts a in-level-order binary tree into a doubly linked list. Apparently, it's a common interview question. This is the strategy I had - Simply do a pre-order traversal of the tree, and instead of returning a node, return a list of nodes, in the order in which you traverse them. i.e return a list, and append the current node to the list at each point. For the base case, return the node itself when you are at a leaf. so you would say left = recursive_function(node.left) right = recursive_function(node.right) return(left.append(node.data)).append(right);` Is this the right approach?

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  • Fast pixelshader 2D raytracing

    - by heishe
    I'd like to do a simple 2D shadow calculation algorithm by rendering my environment into a texture, and then use raytracing to determine what pixels of the texture are not visible to the point light (simply handed to the shader as a vec2 position) . A simple brute force algorithm per pixel would looks like this: line_segment = line segment between current pixel of texture and light source For each pixel in the texture: { if pixel is not just empty space && pixel is on line_segment output = black else output = normal color of the pixel } This is, of course, probably not the fastest way to do it. Question is: What are faster ways to do it or what are some optimizations that can be applied to this technique?

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  • Which paradigm to use for writing chess engine?

    - by poke
    If you were going to write a chess game engine, what programming paradigm would you use (OOP, procedural, etc) and why whould you choose it ? By chess engine, I mean the portion of a program that evaluates the current board and decides the computer's next move. I'm asking because I thought it might be fun to write a chess engine. Then it occured to me that I could use it as a project for learning functional programming. Then it occured to me that some problems aren't well suited to the functional paradigm. Then it occured to me that this might be good discussion fodder.

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  • OUAB Europe Globalization Topics

    - by ultan o'broin
    Pleased to announce that the Oracle Usability Advisory Board has added a globalization workgroup for 2011. This will be headed up my myself. The aims of this workgroup are: To understand how our customers use translated versions of applications To identify key international support, translation and localization-related usability issues in deployed applications To make recommendations to Oracle usability and development teams about meeting global customer usability requirements in current and future versions of our applications. Issues include: How international users use applications when working, ethnography opportunities, key cultural impacts on usability; multilingual feature usage, localization of forms and reports, language quality, extensibility, translation of user assistance, user-generated and rich-media content like UPK, and international mobile application opportunities. More details will be available on the usableapps.oracle.com website shortly.

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  • Black Screen on Logon (windows 7 home premium)

    - by Blacknight334
    i have been having some trouble with a dell Xps 15 laptop that i recently purchased. it is under a month old, and a problem has occurred, upon logging on just after start up, the computer will just sit on a black log on screen (with the mouse still visible and active) for a few minutes. it is extremely annoying, especially when im in a rush. the laptop is under a month old. So far, i have tried to update the drivers, all windows update, and still, nothing. also, it doesnt seem to do it when i log into safe mode, or if it does, it will do it for less than 10 seconds, then load the desktop (in normal boot, it usually takes a few minutes). i have also run a number of the inbuilt diagnostics, but found no errors. i want to avoid having to do a system restore for as long as i can. does anyone know anything that can help? (the laptop is running a 500gb SSD, 2gb Nvidia 640m, 8gb ram, 3rd gen i7 quad core with 8 threads) thanks.

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  • Ruby on Rails background API polling

    - by Matthew Turney
    I need to integrate a free/busy calendar integration with Zimbra. Unlike outlook, it seems, Zimbra requires polling their API. I need to be able to grab the free/busy data in background tasks for 10's of thousands of users on a regular time interval, preferably every few minutes. What would be the best way to implement this in a Rails application without bogging down our current resque tasks? I have considered moving this process to something like node.js or something similar in Ruby. The biggest problem is that we have no control over the IO, as each clients Zimbra instances could be slow and we don't want to create a huge backup in tasks. Thoughts and ideas?

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  • Is SharpDX mature enough to adopt yet or should I just start using SlimDX right now?

    - by Gavin Williams
    I'm about to stop my game-project in XNA because from what I can gather it's development is coming to an end (and it's already behind current technology). Therefore, I need to adopt a new framework or API. I have just spent 2 days looking at C++ and decided it's really not for me - however I do find the raw access to DirectX appealing. SharpDX sounds like a good place to start, but it has no documentation and no code comments. I feel like it's not quite ready for use. I'm interested in the opinions of people that have used either or both of these frameworks, to help me decide for sure which one I should learn? Thanks for any advice.

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  • Hardware issue: computer plays beep sounds at startup, and then turns off

    - by Darkkurama
    Turns out that after moving, my computer got damaged somehow. I installed my computer 2 days ago. I didn't check the state of the hardware parts and turned the pc on recklessly, not realizing that the cpu fan was dettached from the cpu. After this I reattached the fan. The computer worked kind of faulty after that, because at the time of startup, it would play a long beep (different from the normal beep) and won't display anything. I tried restarting after this incident and it got fixed (don't know how, but it did), and I was even able to play some videogames for some hours (more than 5). This morning I tried to get this issue sorted out by checking again the cpu and in general, the connections, and for my surprise, at the time of turning it on again, the computer wouldn't boot at all. I reapplied some thermal paste to the cpu and fan, but got no results (I did this because the old paste was very badly distributted along the surface of both cpu and fan). Now every time I turn it on, the computer acts randomly: sometimes at startup, it plays a long continous beep and then turns off. one time it played a long continous beep and got to the windows password input screen, but then it turned off More frequently, I turn it on and after some seconds, it turns off without any sound. You can check this video I recorded, which features how the computer behaves most of the time Another one I tried troubleshoting it myself by disconnecting my graphic card, rams, HDD and even the cpu and its fan with no result. Computer specs: Intel Core 2 Quad Q6600 processor, Nvidia xfx gtx 260 black edition, 4 GB ram, 500 GB hard drive, Windows 7 64 bit

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  • Does a "nofollow" attribute on a link prevent URL discovery by search engines?

    - by Stephen Ostermiller
    I know that nofollow prevents link juice from being passed across a link. But if search engine robots discover a link with a nofollow on it, will they add that link to their crawl queue? In other words, if I create a link to a brand new page and put a rel=nofollow attribute on that link, will it prevent search engine bots (particularly Googlebot) from crawling the page. (Assuming that this link remains the only link into that page.) I've read conflicting reports about this over the years and I'm looking for authoritative references about the current state of affairs. Official statements from Google or published results of independent testing would be ideal.

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  • Using C++11 for cross-platform Game Engine Development

    - by Samaursa
    Note: This is not a 'give your opinion' question about C++03 and C++11. Our game engine, written in C++03, is designed to be compiled on Windows, OSX and iOS. Linux support is planned for the (very) near future. Our experience is limited when it comes to consoles, which is why I am asking this question. Currently, we are debating whether switching to C++11 and using non-compatible features of the C++11 standard could pose a problem in the near future when we need to port our engine to any of the current gen consoles (perhaps the compilers supported by some console(s) do not support C++11 yet? We don't know...). So, game developers who have experience across multiple platforms and consoles, do you think we should stick to C++03 until the new generation of consoles arrive and most everybody has switched to C++11 standard (have they already?). Or are most consoles using/support compilers (VC++, GCC or variants?) that are already supporting C++11 features?

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  • I'm getting unrelated system messages in terminal?

    - by Zed
    For some reason from time to time I keep getting this weird system messages in my working terminal emulator, unrelated to anything I do.For example: [000:000] Browser XEmbed support present: 1 [000:000] Browser toolkit is Gtk2. [000:001] Using Gtk2 toolkit [000:033] Starting client channel. [000:048] Read port file, port=33359 [000:050] Initiated connection to GoogleTalkPlugin [000:154] Socket connection established [000:154] ScheduleOnlineCheck: Online check in 5000ms [000:203] Got cookie response, socket is authorized [000:203] AUTHORIZED; socket handshake complete [005:216] HandleOnlineCheck: Starting check [005:216] HandleOnlineCheck: OK; current state: 3 Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory After some investigation I concluded that those messages ARE from firefox.However, I didn't start Firefox from terminal. or nsBuiltinDecoderStateMachine::RunStateMachine queuing nsBuiltinDecoder::PlaybackEnded nsBuiltinDecoder::PlaybackEnded mPlayState=3 nsBuiltinDecoderStateMachine::RunStateMachine queuing nsBuiltinDecoder::PlaybackEnded nsBuiltinDecoder::PlaybackEnded mPlayState=3 I have no clue how this ends up in working terminal, any thoughts ?

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  • Move site to new domain divided by language across subdomains

    - by mark
    I managed to find a nice domain for a fairly fledgling site of mine that actually hasn't been parked by scumbag squatters. Given the upcoming move I'm thinking I'd take the opportunity to split the content across subdomains according to language, much like wikipedia for example: current: www.old-domain.com/en/subject # English www.old-domain.com/subjecto # Spanish (default so not locale in url) proposed en.new-domain.com/subject es.new-domain.com/subjecto The advantage of doing this is a fairly competitive keyword such that I may wish to put a copy of my application on a Spanish slice in order to gain a few serp's. Also pure vanity. Google's webmaster tools allows me to move to the new domain and I can add the root domain and the subdomains but forward to only one. I'll 301 from the old domain appropriately but is there anything I should know about webmaster tools in this respect where effectively I'm moving to two addresses? (Feel free to dissuade me from doing this if it's a bad idea in comments.)

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  • ARC write-up on the OTM SIG

    - by John Murphy
    ARC write-up on the recent OTM SIG event. The Oracle Transportation Management Special Interest Group (OTM SIG) hosted its 6th annual user conference in Philadelphia, Pennsylvania, August 13-15, 2012. This independently run conference drew almost 400 attendees, predominantly Oracle Transportation Management (OTM) users. It featured four concurrent tracks that included both functionally and technically focused presentations. The tracks included a number of informative presentations by OTM users from various industries. These discussed the users' implementations, current usage, and future plans for OTM within their organizations. ARC Advisory Group found ConAgra's and Mutual Materials' presentations on OTM adoption and Kraft's presentation on the company's use of Fusion Transportation Intelligence particularly informative. Complete ARC write-up

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  • Ubuntu took away permissions from my Data partition

    - by RobinJ
    The pangolin has struck again. The bug of the day for today is Ubuntu taking away my permissions on my Data partition (NTFS). One moment everything worked fine, the next moment I couldn't chmod anything anymore. chown throws no errors or warnings at all, but nothing has changed either. chmod keeps saying Operation not permitted. I've been messing around with /etc/fstab as suggested by other answers on AskUbuntu, but none of them seem to have the desired effect. This is my current line: UUID=25D7D681409A96B7 /media/Data ntfs defaults,umask=000,gid=46,permissions,users,auto,exec 0 0 For reference, this is the original one: UUID=25D7D681409A96B7 /media/Data ntfs defaults,umask=007,gid=46 0 0 (right after the problem started occuring) What do I need to do so I am the owner of my own hard drive again? I want to be able to just use chmod and chown (without sudo) without being told that some mysterious alien has taken over control of my Data partition. I can still read and write, but execution permissions seem to be the problem.

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  • Recommended: git-completion.bash

    - by andy.grover
    If you use git on a daily basis like I do, git-completion.bash is a great way to make your life a little easier. While I guess it does add tab-completion for git commands, the most useful feature for me is the ability to put the current branch into the cmdline prompt. Now that I am comfortable working with multiple git branches and remotes, a little reminder where I am prevents time-consuming mistakes. git-completion.bash lives in git's git tree.git clone git://git.kernel.org/pub/scm/git/git.gitcopy git/contrib/completion/git-completion.bash to ~/.git-completion.shFollow the instructions in the file to set up, and enable showing branch in $PS1I also use this alias in my ~/.gitconfig, which is convenient:[alias]        log1 = log --pretty=oneline --abbrev-commitHave fun!

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  • Is it normal for a company to have programmers on such a rigid schedule?

    - by q303
    So I've been working at this job for a couple of months. I'm a little frustrated because I do my best work from 2 to 7. In previous jobs, I've come in at 9:30-10:00 and leave at 7. Some companies have been okay with this, others have not. But my current company insists on my being there at 8:30. Any deviation from this is a big deal. Is this typical? I have colleagues who are more 9:30 to 6:30, 10:00-7:00 guys...but maybe that is just startup culture? I don't see why, given that I don't meet clients, etc. what the advantage to having things be so rigid could be. I also don't see why if there is 15 to 20 minute variation sometimes in coming in, why people don't just assume that I will adjust when I leave... Are these unreasonable expectations as a developer or am I missing something?

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  • EISK&ndash;Employee Info Starter Kit 5.0

    - by Tiago Salgado
    Employee Info Starter Kit is an open source project that is highly influenced by the concept ‘Pareto Principle’ or 80-20 rule, where it is targeted to enable a web developer to gain 80% productivity with 20% of effort with respect to learning curve and production. It is intended to address different types of real world challenges faced by web application developers when performing common CRUD operations. Using a single database table ‘Employee’, the current release illustrates how to utilize Microsoft ASP.NET 4.0 Web Form Data Controls, Entity Framework 4.0 and Visual Studio 2010 effectively in that context.   More information on codeplex project site.

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  • Would you make your website's source code public?

    - by Karpie
    Back story: My best friend is a self-taught coder for a community art site, written in PHP. Some time ago he mentioned he wanted to make the source code of the site public, to which my response was total horror - surely it was going to be full of security holes waiting to be found, and it was going to lead to hacking and errors on a huge scale. He never ended up doing it. Current story: I'm starting development of a community website built in Rails, and for ease of use I was going to use Github for version control. Then I realized it was pretty much exactly the same thing as my friend making his source code public - which made me stop and think. Would you make your website's completely-custom source code public? Or is this a case of open source gone too far? (note: I don't think this applies to people who run things like Wordpress. Or does it?)

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  • Siemens AG, Sector Healthcare, Increases Transparency and Improves Customer Loyalty with Web Portal Solution

    - by Kellsey Ruppel
    Siemens AG, Sector Healthcare, Increases Transparency and Improves Customer Loyalty with Web Portal Solution CUSTOMER AND PARTNER INFORMATION Customer Name – Siemens AG, Sector Healthcare Customer Revenue – 73,515 Billion Euro (2011, Siemens AG total) Customer Quote – “The realization of our complex requirements within a very short amount of time was enabled through the competent implementation partner Sapient, who fully used the  very broad scope of standard functionality provided in the Oracle WebCenter Portal, and the management of customer services, who continuously supported the project setup. ” – Joerg Modlmayr, Project Manager, Healthcare Customer Service Portal, Siemens AG The Siemens Healthcare Sector is one of the world's largest suppliers to the healthcare industry and a trendsetter in medical imaging, laboratory diagnostics, medical information technology and hearing aids. Siemens offers its customers products and solutions for the entire range of patient care from a single source – from prevention and early detection to diagnosis, and on to treatment and aftercare. By optimizing clinical workflows for the most common diseases, Siemens also makes healthcare faster, better and more cost-effective. To ensure greater transparency, increased efficiency, higher user acceptance, and additional services, Siemens AG, Sector Healthcare, replaced several existing legacy portal solutions that could not meet the company’s future needs with Oracle WebCenter Portal. Various existing portal solutions that cannot meet future demands will be successively replaced by the new central service portal, which will also allow for the efficient and intuitive implementation of new service concepts.  With Oracle, doctors and hospitals using Siemens medical solutions now have access to a central information portal that provides important information and services at just the push of a button.  Customer Name – Siemens AG, Sector Healthcare Customer URL – www.siemens.com Customer Headquarters – Erlangen, Germany Industry – Industrial Manufacturing Employees – 360,000  Challenges – Replace disparate medical service portals to meet future demands and eliminate an  unnecessarily high level of administrative work caused by heterogeneous installations Ensure portals meet current user demands to improve user-acceptance rates and increase number of total users Enable changes and expansion through standard functionality to eliminate the need for reliance on IT and reduce administrative efforts and associated high costs Ensure efficient and intuitive implementation of new service concepts for all devices and systems Ensure hospitals and clinics to transparently monitor and measure services rendered for the various medical devices and systems  Increase electronic interaction and expand services to achieve a higher level of customer loyalty Solution –  Deployed Oracle WebCenter Portal to ensure greater transparency, and as a result, a higher level of customer loyalty  Provided a centralized platform for doctors and hospitals using Siemens’ medical technology solutions that provides important information and services at the push of a button Reduced significantly the administrative workload by centralizing the solution in the new customer service portal Secured positive feedback from customers involved in the pilot program developed by design experts from Oracle partner Sapient. The interfaces were created with customer needs in mind. The first survey taken shortly after implementation came back with 2.4 points on a scale of 0-3 in the category “customer service portal intuitiveness level” Met all requirements including alignment with the Siemens Style Guide without extensive programming Implemented additional services via the portal such as benchmarking options to ensure the optimal use of the Customer Device Park Provided option for documentation of all services rendered in conjunction with the medical technology systems to ensure that the value of the services are transparent for the decision makers in the hospitals  Saved and stored all machine data from approximately 100,000 remote systems in the central service and information platform Provided the option to register errors online and follow the call status in real-time on the portal Made  available at the push of a button all information on the medical technology devices used in hospitals or clinics—from security checks and maintenance activities to current device statuses Provided PDF format Service Performance Reports that summarize information from periods of time ranging from previous weeks up to one year, meeting medical product law requirements  Why Oracle – Siemens AG favored Oracle for many reasons, however, the company ultimately decided to go with Oracle due to the enormous range of functionality the solutions offered for the healthcare sector.“We are not programmers; we are service providers in the medical technology segment and focus on the contents of the portal. All the functionality necessary for internet-based customer interaction is already standard in Oracle WebCenter Portal, which is a huge plus for us. Having Oracle as our technology partner ensures that the product will continually evolve, providing a strong technology platform for our customer service portal well into the future,” said Joerg Modlmayr project manager, Healthcare Customer Service Portal, Siemens AG. Partner Involvement – Siemens AG selected Oracle Partner Sapient because the company offered a service portfolio that perfectly met Siemens’ requirements and had a wealth of experience implementing Oracle WebCenter Portal. Additionally, Sapient had designers with a very high level of expertise in usability—an aspect that Siemens considered to be of vast importance for the project.  “The Sapient team completely met all our expectations. Our tightly timed project was completed on schedule, and the positive feedback from our users proves that we set the right measures in terms of usability—all thanks to the folks at Sapient,” Modlmayr said.  Partner Name – Sapient GmbH Deutschland Partner URL – www.sapient.com

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  • How to reset the Xorg / xserver in 12.04 Precise Pangolin

    - by thomas
    xserver keeps crashing on my general user account both in unity 3d and 2d. It doesn't do it on the guest account. That's why I want to reset / rollback everything xserver related, hoping this is going to fix it. Most answers on this involve sudo dpkg-reconfigure xserver-xorg. However, this does nothing for me (generates no output) and I read in other forums, that it's deprecated. So, what's the current way to reset all xserver / xorg options; what's the alternative to sudo dpkg-reconfigure xserver-xorg ? Thanks Edit: X crashes during work, not before login or so. And the effect of a crash is, that I get thrown out of the session, not a freeze or machine crash.

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  • How can I mount an AFS filesystem?

    - by Ben
    My current method is to mount the filesystem via SSH using Nautilus's graphical interface, but I would much prefer to be able to use some tool that mounts the AFS filesystem and gives me access to AFS-specific features (permissions, etc.). I've tried installing OpenAFS via apt-get, but so far the kernel module has refused to compile. Also, assuming I get OpenAFS installed, I'm not quite sure how to actually mount the remote filesystem to, say, /media/afs or some directory. I'm running Maverick with the 2.6.36-020636-generic kernel from http://kernel.ubuntu.com/~kernel-ppa/mainline/ Thanks for the help!

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  • Ubuntu 10.04 freezing and Ctrl + Alt + Backspace does nothing but music keeps playing

    - by Bryce Thomas
    I'm having intermittent problems where the screen will freeze in Ubuntu. I've tried using Ctrl + Alt + Backspace to restart the X-server, though this does nothing. When the freeze occurs, there's a small square of black dashes around the mouse pointer - maybe 1 inch in size. These dashes look a lot like a 2d barcode. The rest of the screen looks normal, but I can't move the mouse and none of the keyboard shortcuts work to do anything. However, music that I begin playing before the freeze continues to play, which seems to indicate it hasn't stalled up completely. I've noticed a similar freezing problem when I'm using Windows 7. That is, I see the same barcode like dashes around the mouse pointer when it freezes up. So I'm guessing it's either a driver or hardware problem. I thought if it was a hardware problem though, the whole computer might stop working (i.e. music would stop playing)? The video card I am using is an Nvidia, and I believe it's in the 7600 range. In Ubuntu I have the drivers for the card set to the latest available (proprietary). Ideally I'd like to be able to continue using the proprietary drivers. Is there any known issues with the drivers for this model graphics card, or has anyone experienced the same problem and knows how to fix it?

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  • Windows Phone 7 dev: C# or silverlight for a simple app?

    - by OneWorld
    I'm about to hire a programmer to develop Windows Phone 7 apps. The current app that shall be developed is quite simple. The app will download content from a Web-API. There are two lists to select content. There is a single item content page. Users can rate the content and upload photos. The screens will be produced by our artist. I am pretty sure that most of the available programmers haven't touched WP7 development yet. Now the questions are: What technology is suitable for this kind of app? What technology requires less research, learning and production time? Do you already have experience of limitations of silverlight compared to C#? (I am also thinking of future projects) My guess is that silverlight programmers are more experienced in UI programming than C# coders. Do you feel the same way?

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