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Articles indexed Monday June 7 2010

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  • Command line is horribly slow in Ubuntu Server

    - by hekevintran
    I am running Ubuntu Server on VirtualBox. I am not using X Windows, only the command line. It looks like it is redrawing the screen for every line that causes the screen to shift down. In other words if there is empty space on the screen below the current line, it works normally, but if the current line is at the bottom of the screen, when the system moves to the next line it refreshes the whole screen line by line. This causes the system to run very slowly because I have to wait for the whole screen to refresh for every line and it hits the CPU at 90%. I installed Debian Lenny in VirtualBox and it didn't do this. Why does Ubuntu Server redraw the screen for each line? Is there a way to make this behaviour go away?

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  • Possible to install Xmonad on Ubuntu separate from Gnome?

    - by Kurtosis
    I just downloaded Xmonad from the repository on my Ubuntu 10.04 box, but when I log out and try to log back in using Xmonad instead Gnome, it doesn't work. I just get the login screen background image and a mousepointer, and nothing else. Right-clicking does nothing, no menus or anything. Key combo's like Ctrl-X, Ctrl-Z, and Ctrl-Alt-Delete do nothing either. Left the computer in this state for 30 minutes while I went to the grocery store, but it was still hung when I returned and I had to hard-reboot it. A Google search returned a few sites showing how to configure Xmonad to work with Gnome, but I'm afraid to try this since I don't want to risk borking my Gnome installation, at least not until I've had a chance to learn Xmonad a bit. Is it possible to run Xmonad independently of Gnome? If so, anyone have any idea what might be wrong and how to fix it?

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  • Microsoft réagit à l'abandon progressif de Windows par Google en rappelant que son OS est de plus en

    Mise à jour du 07/06/10 Microsoft réagit à l'abandon progressif de Windows par Google En rappelant que son OS est de plus en plus sécurisé Sur son blog, Brandon LeBlanc, responsable de développement Windows, a réagit la semaine dernière à l'annonce de Google sur l'abandon progressif de l'OS de Microsoft par la société suite aux attaques de pirates chinois liées, selon Google, à des vulnérabilités des produits de Redmond (cf. article ci-avant). « Lorsqu'il s'agit de sécurité, même les hackers admettent que nous faisons un meilleur travail que n'importe qui d'autre pour rendre nos produits plus sûrs », écrit-il. « Des leaders ...

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  • Creating a Simple C# Wrapper to clean up code

    - by Tangopop
    I have this code: public void Contacts(string domainToBeTested, string[] browserList, string timeOut, int numberOfBrowsers) { verificationErrors = new StringBuilder(); for (int i = 0; i < numberOfBrowsers; i++) { ISelenium selenium = new DefaultSelenium("LMTS10", 4444, browserList[i], domainToBeTested); try { selenium.Start(); selenium.Open(domainToBeTested); selenium.Click("link=Email"); Assert.IsTrue(selenium.IsElementPresent("//div[@id='tabs-2']/p/a/strong")); selenium.Click("link=Address"); Assert.IsTrue(selenium.IsElementPresent("//div[@id='tabs-3']/p/strong")); selenium.Click("link=Telephone"); Assert.IsTrue(selenium.IsElementPresent("//div[@id='tabs-1']/ul/li/strong")); } catch (AssertionException e) { verificationErrors.AppendLine(browserList[i] + " :: " + e.Message); } finally { selenium.Stop(); } } Assert.AreEqual("", verificationErrors.ToString(), verificationErrors.ToString()); } My problem is i would like to make it so that i can use the code surrounding the 'try' many many times in the rest of the code. I think it has something to do with wrappers, but i can't get a simple answer for this from the web. So in simple terms the only piece of this code which changes is the bit between the try {} the rest is standard code that i have currently used over 100 times and is turning out to be a pain to maintain. Hope this is clear, many thanks.

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  • Base64.encodeBase64URLSafeString() could not find method error in eclipse (Android project).

    - by jax
    I have an Android project that is using the Base64.encodeBase64URLSafeString commons method. The part that does the Base64 is in another java project. I have added the java project to the android project through the "Project" tab in the Build Path. I have already linked both projects to commons-codec thinking that this might be the problem but am still getting the following error in Eclipse. Both project have no errors. Could not find method org.apache.commons.codec.binary.Base64.encodeBase64URLSafeString, referenced from method com.mydomain.android.licensegenerator.client.LicenseLoader.doSha1AndBase64Encryption What might I be doing wrong?

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  • Have Rails 2.3.x ignore the i18n gem

    - by Jared
    I have a Rails 2.3.5 project that uses the localization features of Rails. I also happen to have Rails 3 beta installed (which depends on the i18n gem). Rails 2.3.5 will happily handle localization on it's own (without i18n installed), however if the i18n gem is available, it makes use of it. Recently I upgraded my gems and now have version 0.3.7 and 0.4.0 of i18n installed. Rails, of course, wants to load and use the latest version which is causing errors in my project. I tried setting the gem version to 0.3.7 which gets around the errors in the web app. However, we're using resque and resque_mailer to delay the sending of messages. When the worker picks up the mailer job from the queue, it ignores my config.gem requirement in environment.rb and uses version 0.4.0 anyway. Ideally, I'd like to tell Rails to just not use the i18n gem at all. How do I do that?

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  • null value exception thrown when deserializing null value JSON.net

    - by Bharath
    Hi Friends I am trying to deserialize a hidden control field into a json object the code is as follows Dim settings As New Newtonsoft.Json.JsonSerializerSettings() settings.NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore Return Newtonsoft.Json.JsonConvert.DeserializeObject(Of testContract)(txtHidden.Text, settings) But I am getting the following exception. value cannot be null parameter name s: I even added the following lines but it still does not work out. Please help settings.MissingMemberHandling = Newtonsoft.Json.MissingMemberHandling.Ignore settings.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore settings.ObjectCreationHandling = Newtonsoft.Json.ObjectCreationHandling.Replace Thanks Bharath

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  • C++ finding pointer errors

    - by Tony
    Hello! I am currently on a project which has been buggy for a long while, now I suspect, among other things, that there is pointer errors in the code. The program is written in native C++ using COM and uses out-of-process COM servers. Can anybody give me some tips as how one would go about finding these errors? Is there specific things to keep in mind, ways to do it, etc...

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  • How to show why "try" failed in python

    - by calccrypto
    is there anyway to show why a "try" failed, and skipped to "except", without writing out all the possible errors by hand, and without ending the program? example: try: 1/0 except: someway to show "Traceback (most recent call last): File "<pyshell#0>", line 1, in <module> 1/0 ZeroDivisionError: integer division or modulo by zero" i dont want to doif:print error 1, elif: print error 2, elif: etc.... i want to see the error that would be shown had try not been there

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  • Java SSH2 libraries in depth: Trilead/Ganymed/Orion [/other?]

    - by Bernd Haug
    I have been searching for a pure Java SSH library to use for a project. The single most important needed feature is that it has to be able to work with command-line git, but remote-controlling command-line tools is also important. A pretty common choice, e.g. used in the IntelliJ IDEA git integration (which works very well), seems to be Trilead SSH2. Looking at their website, it's not being maintained any more. Trilead seems to have been a fork of Ganymed SSH2, which was a ETH Zurich project that didn't see releases for a while, but had a recent release by its new owner, Christian Plattner. There is another actively maintained fork from that code base, Orion SSH, that saw an even more recent release, but which seems to get mentioned online much less than the other 2 forks. Has anybody here worked with any of (or, if possible, both) of Ganymed and Orion and could kindly describe the development experience with either/both? Accuracy of documentation [existence of documentation?], stability, buggyness... - all of these would be highly interesting to me. Performance is not so important for my current project. If there is another pure-Java SSH implementation that should be used instead, please feel free to mention it, but please don't just mention a name...describe your judgment from actual experience. Sorry if this question may seem a bit "do my homework"-y, but I've really searched for reviews. Everything out there seems to be either a listing of implementations or short "use this! it's great!" snippets.

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  • jQuery.Form wont submit

    - by kim
    Im´trying to submit a form without refreshing the page, but I´m having a problem. When I click submit the page refreshes and anothing gets posted. Here is the code, what am I doing wrong? (I´m a newbie) jQuery 1.4.2 and the jQuery Form Plugin 2.43 is present. tnx $(document).ready(function() { var options = { target: '#output2', url: https://graph.facebook.com/<%=fbUid%>/feed, type: post, clearForm: true // clear all form fields after successful submit //dataType: null // 'xml', 'script', or 'json' (expected server response type) //resetForm: true // reset the form after successful submit // $.ajax options can be used here too, for example: //timeout: 3000 }; // bind to the form's submit event $('#fbPostStatus').submit(function() { // inside event callbacks 'this' is the DOM element so we first // wrap it in a jQuery object and then invoke ajaxSubmit $(this).ajaxSubmit(options); // !!! Important !!! // always return false to prevent standard browser submit and page navigation return false; }); });

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  • How can Core Data store an NSData?

    - by mystify
    The documentation says, that core data properties can only store NSString, NSNumber and NSDate types. However, a lot of Core Data users claim Core Data could also store an NSData type. But I wasn't able to see that in the documentation, although the Xcode Data Modeler allows to choose a data type called "binary" (which seems to be NSData). Did I miss something? Is there a hidden place in the documentation that indeed lists NSData for binary stuff?

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  • Need Ontology of software engineering terms

    - by v.rekha
    I'm trying to implement a Question Answering System based on software engineering ontology. This is a [class/university?] project; it will use the java language. Can you please help me locate software engineering ontologies i.e. ontologies [or even taxonomies / folksonomies ?] that include words and concepts found in the domain of Software Engineering. Editor's note: I took the liberty of rewriting this question. It was initially poorly worded and being misunderstood was closed. Maybe it can be reopen, for it is programming related and of interest to some SO contributors. According to this dupe: the poster is looking for an OWL resource: quote, "I need software engineering ontology.owl file."

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  • how to reverse the order of words in query or c#

    - by Ranjana
    i have stored in the database as location India,Tamilnadu,Chennai,Annanagar while i bind in the grid view it ll be displaying as 'India,Tamilnadu,Chennai,Annanagar' this format. but i need to be displayed as 'Annanagar,Chennai,Tamilnadu,India' in this format. how to perform this reverse order in query or in c#

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  • How to make Symbolicate iPhone App Crash Reports

    - by bluej3
    Hello~ I retrieved the crash reports from iTunes Connect. I referenced this site. http://webcache.googleusercontent.com/search?q=cache:MmxwdXObZLMJ:www.anoshkin.net/blog/2008/09/09/iphone-crash-logs/+iphone+crash+debig&cd=2&hl=en&ct=clnk I tried.... $ symbolicatecrash report.crash MobileLines.app.dSYM report-with-symbols.crash Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/System/Library/PrivateFrameworks/WebCore.framework/WebCore Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/System/Library/Frameworks/Foundation.framework/Foundation Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/usr/lib/libSystem.B.dylib Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/System/Library/PrivateFrameworks/GraphicsServices.framework/GraphicsServices Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/System/Library/Frameworks/UIKit.framework/UIKit Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/System/Library/Frameworks/OpenGLES.framework/MBXGLEngine.bundle/MBXGLEngine Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/System/Library/Frameworks/AudioToolbox.framework/AudioToolbox Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation BUT... I didn't result. (find error message) - This directory is located "bulid/Distribution-iphones" - "MYGAME.app" file and "MYGAME.app.dSYM" file is located in same directory. How can i do solve this problem. ? Please help me :) * Crash log (carsh at thread 2 ) Incident Identifier: 95230C2E-CD83-46BF-8DAE-F38BCD46B910 Process: MYGAMELite [303] Path: /var/mobile/Applications/4FB79BEC-2BF0-438B-82A8-C302CD52A85C/MYGAMELite.app/MYGAMELite Identifier: MYGAMELite Version: ??? (???) Code Type: ARM (Native) Parent Process: launchd [1] Date/Time: 2010-06-03 11:43:52.875 +0800 OS Version: iPhone OS 3.1.2 (7D11) Report Version: 104 Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x03e3a002 Crashed Thread: 2 Thread 2 Crashed: 0 AudioToolbox 0x330d708c AU3DMixerEmbedded::SumInput16(unsigned long, AudioBufferList const&, AudioBufferList const&, unsigned long, float, unsigned long) 1 AudioToolbox 0x330d89a0 AU3DMixerEmbedded::Render(unsigned long&, AudioTimeStamp const&, unsigned long) 2 AudioToolbox 0x32fe6bb8 AUBase::DoRender(unsigned long&, AudioTimeStamp const&, unsigned long, unsigned long, AudioBufferList&) 3 AudioToolbox 0x32fe6504 Render 4 AudioToolbox 0x330160b8 AUInputElement::PullInput(unsigned long&, AudioTimeStamp const&, unsigned long, unsigned long) 5 AudioToolbox 0x33023fa8 AUInputFormatConverter2::InputProc(OpaqueAudioConverter*, unsigned long*, AudioBufferList*, AudioStreamPacketDescription*, void) 6 AudioToolbox 0x32fe4b60 AudioConverterChain::CallInputProc(unsigned long) 7 AudioToolbox 0x32fe4a5c AudioConverterChain::FillBufferFromInputProc(unsigned long*, CABufferList*) 8 AudioToolbox 0x32fe4790 BufferedAudioConverter::GetInputBytes(unsigned long, unsigned long&, CABufferList const*&) 9 AudioToolbox 0x33023e30 CBRConverter::RenderOutput(CABufferList*, unsigned long, unsigned long&, AudioStreamPacketDescription*) 10 AudioToolbox 0x32fe4284 BufferedAudioConverter::FillBuffer(unsigned long&, AudioBufferList&, AudioStreamPacketDescription*) 11 AudioToolbox 0x32fe44a4 AudioConverterChain::RenderOutput(CABufferList*, unsigned long, unsigned long&, AudioStreamPacketDescription*) 12 AudioToolbox 0x32fe4284 BufferedAudioConverter::FillBuffer(unsigned long&, AudioBufferList&, AudioStreamPacketDescription*) 13 AudioToolbox 0x32fe3f10 AudioConverterFillComplexBuffer 14 AudioToolbox 0x33023844 AUConverterBase::RenderBus(unsigned long&, AudioTimeStamp const&, unsigned long, unsigned long) 15 AudioToolbox 0x330ce928 AURemoteIO::RenderBus(unsigned long&, AudioTimeStamp const&, unsigned long, unsigned long) 16 AudioToolbox 0x32fe6bb8 AUBase::DoRender(unsigned long&, AudioTimeStamp const&, unsigned long, unsigned long, AudioBufferList&) 17 AudioToolbox 0x330cf308 AURemoteIO::PerformIO(int, unsigned int, unsigned int, AQTimeStamp const&, AQTimeStamp const&) 18 AudioToolbox 0x330cf4cc AURIOCallbackReceiver_PerformIOSync 19 AudioToolbox 0x330c76fc _XPerformIOSync 20 AudioToolbox 0x330181d8 mshMIGPerform 21 AudioToolbox 0x3309cec8 MSHMIGDispatchMessage 22 AudioToolbox 0x330d48d4 AURemoteIO::IOThread::Entry(void*) 23 AudioToolbox 0x32fc9f20 CAPThread::Entry(CAPThread*) 24 libSystem.B.dylib 0x30b5b7b0 _pthread_body

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  • Qt mac : How does the layout differs from the other OSes

    - by dzen
    Qt is a nice framework which allows people to develop something once and it will works for the 3 main OSes. But from times to times, there is some differences in the layout: placing some widgets does not have the same behavior as in windows or linux. Did you observe weird behavior ? on which Widgets ? how did you corrected this ? Thanks for sharing

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  • Using iphone accelerometer AND UIEventSubtypeMotionShake event simultaneousluy.

    - by lukya
    Hi, I am using accelerometer to move/change things on the screen in my app. I also need to detect UIEventSubtypeMotionShake in the view controller for some other animations. As my app is a simple view based app, there is just one view controller which acts as UIAccelerometerDelegate AND FirstResponder (for detecting the shake event). After the first Shake gesture is detected, I don’t need accelerometer inputs through [accelerometer didAccelerate] method so I set the accelerometer delegate to nil. -(void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event { if (motion == UIEventSubtypeMotionShake) { NSLog(@"shake"); [[UIAccelerometer sharedAccelerometer] setDelegate:nil]; //my shake handling code } } The problem is that the first shake motion is not being detected correctly. I have to shake 2 3 or more times to trigger the UIEventSubtypeMotionShake event, while the subsequent shakes, after the accelerometer delegate is made nil, are being detected perfectly. This must be happening because UIEventSubtypeMotionShake in turn depends on the accelerometer didAccelerate events which are being overridden by my code. But I need to use both the events. Are there any apps or code samples which use both accelerometer and UIEventSubtypeMotionShake simultaneously? Thanks Swapnil

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  • How to add properties to users in ASP.NET MVC2?

    - by giglegi
    After I have the initial ASP.NET MVC 2 website and the default Membership provider up, how do I start adding features specific to an user? Like, say, we want to let users choose their favorite products and we want to remember these choices somehow or add a favorite color property to an user? Where should these customizations go and how should they be associated with the out-of-the-box membership system?

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