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• How do I return a purchase from the Ubuntu Software Centre?

  - by Garry Cairns

  I purchased Amnesia (game) from the Ubuntu Software Centre. It crashes on startup every time and I therefore want to return it for a refund. I can't find a way of doing so through the USC and, strangely, I can't find any trace of this having been asked before (maybe bad googling on my part). So the question is: how do I return a purchase and get a refund through the USC? EDIT Installing proprietary driver for AMD catalyst fixed Amnesia, but I still think this is an important question because it's basic customer service for any purchase. I'd therefore appreciate any answers anyone can find and I will continue to look too. If I find the answer I'll post it here.

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• Selecting a specific div from a extern webpage using CURL

  - by Paulo

  Hi can anyone help me how to select a specific div from the content of a webpage. Say i want to get the div with id="body" from webpage http://www.test.com/page3.php My current code looks something like this: (not working) //REG EXP. $s_searchFor = '@^/.dont know what to put here..@ui'; //CURL $ch = curl_init(); $timeout = 5; // set to zero for no timeout curl_setopt ($ch, CURLOPT_URL, 'http://www.test.com/page3.php'); curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout); if(!preg_match($s_searchFor, $ch)) { $file_contents = curl_exec($ch); } curl_close($ch); // display file echo $file_contents; So i'd like to know how i can use reg expressions to find a specific div and how to unset the rest of the webpage so that $file_content only contains the div.

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• "Wireless disabled by hardware switch" after suspend and other hardware buttons ineffective - how can I solve this?

  - by fahadayaz

  I have recently purchased a Novatech nFinity N1410 laptop and am having problems with the wireless, which sudo lshw -C network tells me is Centrino Wireless-N 2230 and using the iwlwifi driver. The problem is that after the device has been suspended, I am not able to get the wireless working again without a restart. The network indicator states that the wireless disabled by hardware switch. Though Fn+F2 is meant to be the wireless switch, xev tells me that the system doesn't see it as anything at all when I press this hardware combination. Also, though the brightness up/down buttons work fine, the volume up/down buttons do not work either. What can I do to fix this? I am running Ubuntu 12.10 with all available updates installed.

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• Recursive compilation using gcc

  - by curiousexplorer

  I am using the gcc compiler. My project source tree looks like somewhat like this test$~: tree . . |-- folder | |-- hello.cpp | `-- hello.h `-- main.cpp 1 directory, 3 files test$~: The file main.cpp contains the main() function and all the functions invoked by main.cpp lie in the directory named folder So far in all my little projects I never had to put some source code under a sub-directory. What I am looking for, in short, is some gcc command for recursive compilation in sub-directories and their subdirectories and so on... This command should be invoked from the home directory of the code project.

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• 14.04 PlayonLinux and Steam equals jittery choppy freezing video

  - by user2715390

  I trying to get some windows gaming software (warframe) up ad running and it is running but the video is very choppy/freezes even though the reported frame rate is 60fps. I'm using: Ubuntu 14.04 Nvidia 340 driver Play on Linux 4.2.4-2 Wine 1.7.24 & 1.7.22 (switchable) Steam 13 Aug 2014 14:19:47 I used the following link to get it going Warframe Linux/Ubuntu Does anyone have any tips for diagnosing this? Anyway I think it has something to do with syncing. I would like to disable audio in steam or play on linux so I can eliminate any sound issues. How do I do this? Regards WallyZ

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• Alps touchpad detected as mouse dell inspiron n5110

  - by Shota Bakuradze

  Now I know that this has been asked several times here but I couldn't find any decent solution to it. So I am running the latest Ubuntu on my dell n5110 and my touchpad is detected as a mouse, So I don't have the touchpad options avaliable. can't use multitouch and can't disable it either. I have tried the dkms driver: http://people.canonical.com/~sforshee/alps-touchpad/psmouse-alps-0.10/ but when installing it with dpkg I get the following error: ERROR (dkms apport): unable to determine source package for psmouse-alps-dkms Error! Bad return status for module build on kernel: 3.2.0-25-generic-pae (i686) Consult /var/lib/dkms/psmouse-alps/0.10/build/make.log for more information. I have installed all the updates as well. Can someone help me out with this issue?

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• Differentiate generic methods by type parameters only using reflection?

  - by Brian Vallelunga

  I'm trying to use reflection to get a specific MethodInfo of a class, but am unsure how to differentiate between the two following methods: public class Test { public IBar<T1> Foo<T1>(); public IBar<T1, T2> Foo<T1, T2>(); } How can I get a reference to the different Foo methods, assuming I know the number of type parameters? Just calling typeof(Test).GetMethod("Foo") will throw an exception that the method name is ambiguous and there aren't a differing number of parameters to check.

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• Do invariant assertions fit into C# programming?

  - by P.Brian.Mackey

  In the book coders at work, the author asks "How do you use invariants in your code". Please explain what this question means. I saw class invariants on wiki, but the example is in Java and I am not skilled enough in Java to relate this example to C#. .NET 4.0 introduces invariance, covariance, and contravariance and is well explained here. Invariance is so broad. The authors usage of the word seems unit test related. For those that read the book, what does the author mean? Are we talking about making an assumption and simply testing the validity after the unit test?

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• Has the Ubuntu heating problem for Sony Vaio users been solved?

  - by nischayn22

  I use Sony Vaio VPCEA23en with graphics card ATI Radeon HD 5145 and have been using Ubuntu 11.10 and recently upgraded to 12.04 beta, however the problem of overheating (60-70) still persists. I have installed the graphics driver properly. Are there some features of Ubuntu that cause this problem? I would have no problem uninstalling them; Or will using a lighter version of Ubuntu (lubuntu) solve this problem? Right now I am using Win7 and would like to switch to Ubuntu ASAP.

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• How do I get unity back?

  - by Siva

  I got the latest driver software for my old ATI Radeon 4600, and it had me restart. My screen was then just a big terminal! I could log in, but when I typed 'unity' into it as a command, it said something about DISPLAY not found; set it to :0 (zero). I don't know enough about Linux to deal with this. I am using a DSL live CD to ask this. I looked at similar questions suggested, even searched. If my question's a duplicate, I apologise, but I didn't understand what I saw there. T_T

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• Get the selected value from a Select box and check that value against an array in the same form

  - by Rob Allen

  I'm new to JSTL/EL and JSP and can't seem to find a reference which covers the following scenario: I have an array of values in JavaScipt: var Countries = ('US', 'CA'); I then need to check to see if the currently selected value of a standard HTML select box is in that array. This is what I have so far: <select id="shippingCountry"> <option value="AT">Austria</option> <option value="CA">Canada</option> <option value="DE">Germany</option> //... <option value="US">United States</option> </select> <c:choose> <c:when test=" "> // I don't know what to put in the 'test' case <span class="required">*</span> </c:when> </c:choose>

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• Cucumber works on Eclipse but not on Jenkins

  - by gforte

  I am successfully running Cucumber test on my java/maven eclipse project. But when I add my project do Jenkins I always get the following error "cucumber.runtime.CucumberException: No features found at []". I read in this thread Setting cucumber-jvm options in Maven from the command line that: ...tests are running in separate JVM, so you need to specify that system property in the test plugin configuration (i.e. surefire or failsafe plugin config in your pom.xml) But I am not quite sure how to do this. Can anyone help me? PS: I am using "cucumber-java" and "cucumber-junit" dependencies.

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• How do I get a D-Link DWL-G520 working?

  - by human33

  I have Ubuntu 12.04 on an older desktop PC, and I am finding it much harder to connect to a wifi connection than it should be. I have an iPhone with which I want to tether to it with Mifi 4.0, but I need to install ipheth which I can't do without internet on that computer. I am typing from my other windows pc with which i can download and move hings with thumb drives, but haven't gotten keryx to work. I also found a D-Link DWL-G520 HIGH SPEED 2.4GHZ (802.11G) WIRELESS 108MBPS PCI ADAPTER which I installed, but can't find a driver to put on a flashdrive to use it. If anybody has any ideas, they are appreciated. I am a noob, and I don't want to have to move the comp. downstairs to plug into the modem. PS: I also have a netgear USB network adapter, which doesn't work with my Ubuntu.

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• Testing Zend_Controller wich is using Twitter API

  - by ArneRie

  Hi, iam trying to write an unit test for an Controller wich calls the Twitter API through an Service class. /** * Authenticate Step 1 for Twitter */ public function authenticateAction() { $this->service->authenticate(); } The Service does: /** * Authenticate with twitter * * @return void */ public function authenticate() { $consumer = new Zend_Oauth_Consumer($this->config); $token = $consumer->getRequestToken(); $this->session->twitterRequestToken = serialize($token); $consumer->redirect(); exit; } My Problem is, i have no idea to repleace the authenticate action inside the service for the unit test. I dont want to call the Twitter API while the tests run. Is there any Mocking Framework wich can do such things?

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• Inject WCF proxy with credentials using StructureMap

  - by Steve Horn

  I have a service proxy generated by svcutil which generated an interface(IStudentContract) and a concrete type implementing (StudentContractClient). I'd like to have instances of StudentContractClient injected into my classes via StructureMap. My proxy also needs to have credentials supplied as seen in this passing unit test: <Test()> _ Public Sub Then_the_web_service_call_should_not_throw_an_exception() Dim studentServiceProxy As New StudentContractClient Dim credential As New NetworkCredential credential.Domain = ConfigurationManager.AppSettings("something") credential.UserName = ConfigurationManager.AppSettings("something") credential.Password = ConfigurationManager.AppSettings("something") studentServiceProxy.ClientCredentials.Windows.ClientCredential = credential Dim result = studentServiceProxy.GetCurrentTeachersByStudentSepid(26899) result.Count.ShouldEqual(4) End Sub My question is what would the structuremap configuration look like to have instances of IStudentContract injected with the credentials supplied? Thanks for any help!

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• Using gmail as SMTP server in Java web app is slow

  - by Annie

  Hi, I was wondering if anyone might be able to explain to me why it's taking nearly 30 seconds each time my Java web app sends an email using Gmail's SMTP server? See the following timestamps: 13/04/2010-22:24:27:281 DEBUG test.service.impl.SynchronousEmailService - Before sending mail. 13/04/2010-22:24:52:625 DEBUG test.service.impl.SynchronousEmailService - After sending mail. I'm using spring's JavaMailSender class with the following settings: email.host=smtp.gmail.com [email protected] email.password=mypassword email.port=465 mail.smtp.auth.required=true Note that the mail is getting sent and I'm receiving it fine, there's just this delay which is resulting in a slow experience for the application user. If you know how I can diagnose the problem myself that would be good too :)

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• Ubuntu 12.04 nVidia TwinView tearing

  - by Andy Turfer

  I'm running Ubuntu 12.04. Today I just purchased a second monitor (I have a Dell U2711 and a 42-inch Sony TV). I'm running the 295.49 proprietary nVidia graphics driver, my graphics card is a GeForce GTX 460. I am not able to activate "xinerama" with "separate X screens", not sure why. I am able to use TwinView. This works, although it results in severe tearing on the Sony TV. It's as though "sync to vblank" isn't working (I have this set in Compiz and in the nVidia settings). If I disable the Dell U2711 and only use the Sony, everything works fine, zero tearing. Is it the case that "sync to vblank" can only work on a single monitor in Ubuntu 12.04? Is there any way to get rid of the tearing on the second monitor in TwinView mode?

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• No internet access since 12.04

  - by Roelof

  I have updated yesterday to Ubuntu 12.04 but can not access the Internet. It is an old PC without wireless. But the older Ubuntu I had installed up until now (11.??) worked perfectly. I'm not that familiar with Ubuntu, and I have been trying Google for some time know, but I cannot find the answer. I noticed that running nm-tool resulted in some things that don't sound right: Type: wired Driver: ne2k-pci state: unavailable Default: no Carrier: off Does anyone have a way to fix the connection?

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• What software is responsible for connecting to the wireless net specified in /etc/network/interfaces?

  - by zuba

  I'm curious what software (package, utility in bin's) handle interface parameters in /etc/network/interfaces and decides to connect to the specified wireless net. I use wifi usb stick dlink DWL-110 attached to wlan0 with ndiswrapper driver. Sometimes wlan0 sees my wifi net - iwlist wlan0 scan shows it, but does not connect to it - iwconfig shows AP Not-Associated, until I replug the stick. Neither reinserting module with ndiswrapper, not ifdown/ifup or restarting networking helps. That is why I need to know what OS entity handles connection/reconnection to wireless net. EDIT: shame on me, I use wireless-tool package with wep encryption

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• PHP Modify the return of a loop over and over.

  - by Joshua Anderson

  Basically I want to do a php loop that base64_encodes its self 5 times. //For example i want to encode "test" which is "dGVzdA==" then we encode "dGVzdA==" which is "ZEdWemRBPT0=" then encode "ZEdWemRBPT0=" which is "WkVkV2VtUkJQVDA9" I can't figure out how to create a loop that modifies its self each time it runs. // this is what i had function enloop($dowork){ for ($i=1; $i&lt;=5; $i++) { returns base64_encode($dowork); } } enloop($code); //THIS SCRIPT DOES THIS Repeats the encode 5 times, lets say your encodign the word test for example the output would be dGVzdA==dGVzdA==dGVzdA==dGVzdA==dGVzdA==

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• brother MFC-J435W wireless scanning issue

  - by ogreen32

  Thanks for taking the time to read this. I have a brother MFC-J435W and I was able to get the printer set up for wireless printing, but it is not allowing me to scan wirelessly. It gives me the message to "check connection". I'll tell you what I've done so far and maybe someone can help me out. I've installed the scanner driver and scan tool I installed Xsane (to see if it would allow the scanner to communicate with the computer and that didn't help). I've tried restarting the computer. After those things I am now at a loss as to where to go from here. Any help would be great. Thanks. I've also searched for this question in the Brother FAQ as well as on here and I haven't found an answer. Thanks again.

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• Ubuntu Server Installer does not detect usb device

  - by Peter

  For some time now I am struggling with the 12.04 Ubuntu Server installer. I am trying to execute a clean, CD based install with the mentioned version onto an SD card. For the sake of the simplicity I have taken out the HDD. However, I had to recognise that the "disk detection" phase simply can not find the SDCARD. It says "No disk drive was detected. If you know the name of the driver needed by your disk drive, you can select from the list." What is really strange that I have tried the older Ubuntu Server installer (11.04) and this is simply recognising the sdcard... Does anyone have any idea? Many thanks, Peter

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• javascript server issue

  - by sarah

  Onchage of selection i am calling a javascript to make a server call using struts1.2 but its not making a call.Please let me know where i am going wrong,below is the code <html:form action="/populate"> <html:select property="tName" onchange="test()">"> <html:option value="">SELECT</html:option> <html:options name="tList" /> </html:select> </html:form> and stuts-config has <action path="/populate" name="tForm" type="com.testAction" validate="false" parameter="method" scope="request" > <forward name="success" path="/failure.jsp" /> </action> and javascript is function test(){ var selObj = document.getElementById("tName"); var selIndex = selObj.selectedIndex; if (selIndex != 0) { document.form[0].selIndex.action="/populate.do?method=execute&testing="+selIndex; document.form[0].submit(); } }

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• Can't reach the new zend controller/view

  - by Zakaria

  Hi, I've installed Zend Studio 7.1.1 that contains 1.9 framework. For the server side, I use easyphp (very similar to wamp) When I create the project, I obviously obtain this architecture: MyProject |-- application | |-- Bootstrap.php | |-- configs | | `-- application.ini | |-- controllers | | |-- ErrorController.php | | `-- IndexController.php | |-- models | `-- views | |-- helpers | `-- scripts | |-- error | | `-- error.phtml | `-- index | `-- index.phtml |-- library |-- public | |-- .htaccess | `-- index.php `-- tests |-- application | `-- bootstrap.php |-- library | `-- bootstrap.php `-- phpunit.xml To launch the project, I enter: http://127.0.0.1/MonProjet/public/index.php But when I create a new controller (TestController.php) and the associated view (application.views/test/index.phtml) and when I enter: http://127.0.0.1/MonProjet/public/test the browser returns the error : object not found (404). although I activated the mod_rewrite LoadModule rewrite_module modules/mod_rewrite.so So, how can I set the routing mechanism to reach the new controllers and their views? Thank you very much, regards.

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• Xalan redirect:write , use either of two element values to create name of new .xml file depending on

  - by Bilzac

  So I have the following code: <redirect:write select="concat('..\\folder\\,string(filename),'.xml')"> Where "filename" is a tag in the xml source. My problem occurs when filename is null or blank. And this is the case for several of the xml filename tags. So what I am trying to implement is a checking method. This is what I have done: <xsl-if test = "filename != ''"> <xsl:variable name = "tempName" select = "filename" /> </xsl-if> <xsl-if test ="filename = ''"> <xsl:variable name = "tempName" select = "filenameB"/> </xsl-if> <redirect:write select="concat('..\\folder\\,string($tempName),'.xml')"> I seem to be getting NPEs when I compile my Java code, saying the Variable not resolvable: tempName

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