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  • Ubuntu: Graphics freeze

    - by Phil
    We have recently updated a java application which runs on an Ubuntu PC, and are now experiencing a graphics problem that we didn't encounter before. The system is running constantly, and randomly maybe twice a month but sometimes within a few days the systems graphics will freeze, and the gnome panels are frozen. Here is an extract from the syslog; Jun 28 05:41:53 swimtag-NM10 kernel: [34802.970021] [drm:i915_hangcheck_elapsed] ERROR Hangcheck timer elapsed... GPU hung Jun 28 05:41:53 swimtag-NM10 kernel: [34802.970177] [drm:i915_do_wait_request] ERROR i915_do_wait_request returns -5 (awaiting 937626 at 937625)

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  • Sharing authentication between forum and main CMS in Rails

    - by Newy
    I have a Rails forum product that resides under the subdomains of my customers (i.e. http://forum.customer.com). Their main site has a CMS and an authentication system, and my forum product has a separate authentication system. Is there an elegant way to have "cross-signins" across these systems? I want someone already logged into the main CMS to seamlessly (as possible) transition into my product.

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  • Custom membership provider via WCF authorization question

    - by Diego
    I've made a global authentication via WCF to use with the most of our systems, but found that load data via WCF not very so fast. What I need to do now is verify every time that the page is loading if the user has access granted to that page.... Its a good pratice to go back in WCF request this info for every page that the user access?This will not slow down my entire system?

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  • Start app from within python

    - by Aaron Hoffman
    Hello, I'm trying to start an application using Python. I've seen that some people use startfile but I also read that it only works with Windows. I'm using Mac systems and hoping for it to work with them. Thanks, Aaron

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  • .NET ClickOnce not installing prerequisite files?

    - by proudgeekdad
    I have a .NET project that uses Crystal Reports. The application is distributed using ClickOnce. Things work great if the user has Crystal installed on their computer. However, not all of the end users have Crystal Reports installed on their computers. These users are receiving the following error... "Unable to install or run the application. The application requires that assembly CrystalDecisions.ReportAppServer.XmlSerialize Version 10.5.3700.0 be installed in the Global Assembly Cache (GAC) first." Is there a way to force ClickOnce installs to ensure that a prerequisite is installed?

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  • Backing up locally modified and new source files

    - by eran
    I'm wondering how other programmers are backing up changes that are not under source control yet, be it new files or modified ones. I'm mostly referring to medium size jobs - hardly worth the effort of making a private branch, but taking more than a day to complete. This is not a vendor-specific question - I'd like to see if various products have different solutions to the problem. I'd appreciate answers referring to SVN and distributed SCCs, though. I'm mostly wondering about that latters (Mercurial, GIT etc.) - it's great that you have your own local repo, but do you back it up on a regular basis along with your source files? Note - I'm not asking about a general backup strategy. For that, we have IT. I'm seeking the best way to keep locally modified stuff backed-up before they are checked back into the main repo.

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  • How should open source libraries be used on Windows?

    - by Jason Owen
    There are many open-source libraries that can be compiled with Visual Studio. I'm porting a program from Linux to Windows, but it depends on a number of libraries. I don't know what the best practices regarding libraries are on Windows. On Linux, these libraries are typically part of the distribution. To use sqlite on Debian, for example, you need only to install libsqlite3-dev and the include files and libraries (both static and dynamic) are automatically installed and available to your program. If you need a different version than your distribution supplies, you can compile it in your home directory, install it to ~/include and ~/lib, and set the appropriate environment variables so that your compiler includes those directories in its search path. What is the best way to use libraries that are distributed as source on Windows? If I link dynamically rather than statically, is there an easy way to copy required DLLs into the output directory to ease redistribution (assuming license requirements are met)?

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  • Passion to learn

    - by rajivpradeep
    Hi, I want to learn C , UNIX and LINUX, and more about embedded systems. Very much interested in them. Are there any online courses or websites which can guide me. And please suggest books to read in learning them. Thanks for your time.

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  • Making a program platform independent

    - by Thilanka
    Hi, I'm working with an OCR project which is developed using Visual C++ on .net framework. But since the .net is platform dependent I want to make this project platform independent and make it supports to multiple operating systems. So can some one give me a hint to how to do it. Thanks.

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  • Good IM/Chat solution for pasting code

    - by Matt Miller
    We've got several distributed developers working together on a couple of projects. We've been using Skype to host chats with all the developers, and it works okay except for one thing: It REALLY mangles any code we copy and paste into the chats -- especially the whitespace in Python. This question has tons of opinions about chat clients & servers, but no one has much to say about pasting in code. (http://stackoverflow.com/questions/36415/best-chat-im-tool-for-developers) Is anybody out there using a chat or im client that handles source code really well?

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  • Java development in Ubuntu

    - by Veera
    I'm a newbie to Linux systems and recently I started using Ubuntu 10.04. When I do java development in Windows, I usually keep my project files under some drive (D: for example) and under my development folder, such as D:\projects\myproj. But I'm bit confused with Ubuntu's folder structure. So, I just want to know how do you organize your projects in Ubuntu? Under which folder do we keep our projects file?

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  • Compiling Qt for Windows 98

    - by wrp
    I need to support Windows 98. The Qt documentation claims this is possible, but there are no instructions. The distributed binaries don't run on Win98 and the majority of Qt applications I have sampled also don't. For several apps that do run on 98, I have asked authors how they did it, but the common answer is that it was accidental and they don't know what factors caused it. In searching the forums for help, I found only guesses that turned out to be wrong. For example, one belief is that to compile for Win9x, you must build the tools and the apps on that platform. Yet, things I found to run were built on newer versions of Windows. What is required to build the Qt dev tools and then applications for Win98? How about cross-compiling from WinXP or Linux? Are there specific components that can't be made to run on Win98? Are there particular difficulties with dynamic or static linking for Win98 support?

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  • How do I generate a random string of up to a certain length?

    - by slavy13
    I would like to generate a random string (or a series of random strings, repetitions allowed) of length between 1 and n characters from some (finite) alphabet. Each string should be equally likely (in other words, the strings should be uniformly distributed). The uniformity requirement means that an algorithm like this doesn't work: alphabet = "abcdefghijklmnopqrstuvwxyz" len = rand(1, n) s = "" for(i = 0; i < len; ++i) s = s + alphabet[rand(0, 25)] (pseudo code, rand(a, b) returns a integer between a and b, inclusively, each integer equally likely) It doesn't work because shorter lengths are as likely as longer ones, meaning it's more likely to generate a shorter string than a longer one, so the result is not uniform.

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  • How can I plot a time series graph with Perl?

    - by Jazz
    I have some data from a database (SQLite), mapping a value (an integer) to a date. A date is a string with this format: YYYY-MM-DD hh:mm. The dates are not uniformly distributed. I want do draw a line graph with the dates on X and the values on Y. What is the easiest way to do this with Perl? I tried DBIx::Chart but I could not make it recognize my dates. I also tried GD::Graph, but as the documentation says: GD::Graph does not support numerical x axis the way it should. Data for X axes should be equally spaced

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  • JRuby-friendly method for parallel-testing Rails app

    - by Toby Hede
    I am looking for a system to parallelise a large suite of tests in a Ruby on Rails app (using rspec, cucumber) that works using JRuby. Cucumber is actually not too bad, but the full rSpec suite currently takes nearly 20 minutes to run. The systems I can find (hydra, parallel-test) look like they use forking, which isn't the ideal solution for the JRuby environment.

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  • axWindowsMediaPlayer/window media player has stoped working?

    - by Madhup
    Hi, I am using axWnidowsMediaPlayer in my windows mobile application with compact framework 3.5 . It was working beautifully few days ago but now whenever i try to play a song from url it shows the message "Can not play the file.The file is either corrupted or the player does not support the format you are playing" The same url is not played by the phone's wmplayer also but when I try to play it with the systems wmplayer it plays the same url successfully.

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  • Selenium RC slower on Windows 7 than on XP?

    - by phenevo
    I've got two systems, one with Windows XP and another with 7, both running Firefox 3.6, the same version of Selenium RC and the newest nunit. When I run tests on 7, it is executed extremely slowly (I mean walking by textbox and setting its values), but when I execute this script on Windows XP it is extremely fast. Do you have the same experience? Do you know what the problem might be?

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  • Programmatically obtain DNS servers of host

    - by Nicholas Palko
    Using C++, I would like to obtain the DNS servers being used by a host for three operating systems: OS X, FreeBSD, and Windows. I'd like confirmation that the approaches below are indeed best practice, and if not, a superior alternative. OS X: already answered; updated link at developer.apple.com Windows: [GetNetworkParms](http://msdn.microsoft.com/en-us/library/aa365968(VS.85).aspx) FreeBSD: /etc/resolv.conf Thanks in advance for your help!

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  • WindowsPhone App data connection FAILS in MarketPlace published App but WORKS in Visual Studio development (same XAP)

    - by Tom
    Tearing my hair out(!) My last App update has been accepted and released by MarketPlace but the remote server data connection does NOT work/connect from the downloaded App (from MarketPlace). However, the same App (the accepted XAP) when I'm running it from Visual Studio, using the same remote server address works just fine. WHY!... Has anyone else ever run into anything like this? Here's the remote path: http://www.streamcommunication.com/ZenAwaken/DownloadableCollections.xml I can load that to a browser and retrieve the XML When I'm in Visual Studio I can connect via that path and retrieve the file and consume the data BUT!! The exact same XAP which has been accepted and distributed by Windows Phone marketplace FAILS. Is it possible that MarketPlace does something (encryption?) to the XAP that would corrupt the path string? Any thoughts or experiences would be very helpful! Tom

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  • Tool to generated rotated versions of an image

    - by John
    In sprite-based systems, it's common to fake rotation of a sprite by having many different images, each showing it rotated an extra few degrees. Is there any free tool which will take a single image, and output a single image containing several rotations? It should also ideally let us control how many images are in each row. e.g if I have a 32x32 sprite and I want it rotated at 10 degree intervals, the tool might generate a 320x32 file or a 160x64 file

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  • help me understand cuda

    - by scatman
    i am having some troubles understanding threads in NVIDIA gpu architecture with cuda. please could anybody clarify these info: an 8800 gpu has 16 SMs with 8 SPs each. so we have 128 SPs. i was viewing stanford's video presentation and it was saying that every SP is capable of running 96 threads cuncurrently. does this mean that it (SP) can run 96/32=3 warps concurrently? moreover, since every SP can run 96 threads and we have 8 SPs in every SM. does this mean that every SM can run 96*8=768 threads concurrently?? but if every SM can run a single Block at a time, and the maximum number of threads in a block is 512, so what is the purpose of running 768 threads concurrently and have a max of 512 threads? a more general question is:how are blocks,threads,and warps distributed to SMs and SPs? i read that every SM gets a single block to execute at a time and threads in a block is divided into warps (32 threads), and SPs execute warps.

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