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• Why is my laptop only producing sound when the headphones should be active?

  - by Telos

  I think Skype may have corrupted my laptop speakers somehow. The other day I was listening to music on my headphones when a coworker started sending me IMs. Whenever the alert sound played, the music and alert would both come out through the laptop speakers for a second instead of the headphones. Now sound only comes out through the speakers when skype is playing sounds, or if I right click the volume control, select Playback Devices and test the headphones. So if I play music it's silent. If I go into Skype and dial the sound test call the music will start coming through the speakers. Any ideas how to fix this? Win7 by the way.

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• Adventures in Lab Management Configuration: CMMI Edition Part 1 of 3

  - by Enrique Lima

  I remember at one point someone telling me how close Migrate was to Migraine. This was a process that included an environment from TFS 2008 to TFS 2010, needed to be migrated too as far as the process template goes.  Here we are talking about CMMI v4.2 to CMMI v5.0.  Now, the process to migrate the TFS Infrastructure is one thing, migrating the Process Template is a different deal, not hard … just involved. Followed a combination of steps that came from a blog post as the main guidance and then MSDN (as suggested on the guidance post) to complement some tasks and steps. Again, the focus I have here is CMMI. The high level steps taken to enable the TFS 2008 CMMI v4.2 migrated to TFS 2010 Process Template are: 1)  Backup the Collection, Configuration and Warehouse Databases. 2)  Downloaded the Process Template using Visual Studio 2010. 3) Exported, modified and imported Bug Type Definition 4) Exported, modified and imported Scenario or Requirement Type Definition. 5) Created and imported bug field mappings. Now, we can attempt to connect using Test Manager, and you should be able to get this going. After that was done, it was time to enroll VMs that already existed in the environment.  This was a bit more challenging, but in the end it was a matter of just analyzing the changes that had been made to had a temporary work around from the time we migrated to the time we converted the Work Items and such and added fields to enable communication between the project and the Test and Lab Manager component. There are 2 more parts to this post, the second will describe the detailed steps taken to complete the Process Template update and the third will talk about the gotchas and fixes for the Lab Management portion.

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• Powershell Foreach-Object with if statement not working - help!

  - by Dmart

  I have a batch file that takes a computer name as its argument and will install Java JRE on it remotely. Now, Im trying to run this Powershell script to repeatedly call the batch file and install Java on any system that it finds without the latest version. It seems to run error-free, but the statements inside the if code block never seem to run - even when the if conditional test evaluates to true. Can anyone look at this script and point out what I'm possibly missing? I'm using the Quest AD cmdlets, and BSOnPosh module. Thank you. get-qadcomputer -sizelimit 0 -name mypc* -searchroot 'OU=MyComputers,DC=MyDomain,DC=lcl'| test-host -property name |ForEach-Object -process { $targnm = $_.name $tststr=reg query "\\$targnm\HKLM\SOFTWARE\JavaSoft\Java Runtime Environment" /v Java6FamilyVersion if(-not ($tststr | select-string -SimpleMatch '1.6.0_20')) { $mssg="Updating to JRE 6u20 on $targnm" Out-Host $mssg Out-File -filepath c:\install_jre_log.txt -inputobject $mssg -Append cmd /c \\server\apps\java\installjreremote.cmd $targnm } else { $mssg ="JRE 6u20 found on $targnm" Out-Host $mssg Out-File -filepath c:\install_jre_log.txt -inputobject $mssg -Append } }

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• Windows share mounted then symlinked on LAMP server. Serves up html, but not images.

  - by Samuurai

  This has really got me befuddled... I've mounted a share, like this: //srv1/UserUploads /mount/UserUploads cifs rw,user,exec,uid=wwwrun,gid=www,username=shareuser,password=sharepw 0 0 I then have a symlink here: WEBSVR:/Web/htdocs/public_html # ls -l useruploads lrwxrwxrwx 1 wwwrun www 18 Dec 7 09:18 useruploads -> /mount/UserUploads Oddly, if I ls inside the mounted area, items appear with a capital S -rwxrwSrwx 1 wwwrun www 4077 Dec 30 14:54 prop9.jpg -rwxrwSrwx 1 wwwrun www 4 Jan 12 15:57 test.html And if I bring up test.html in a browser, it works fine, but if I go to prop9.jpg, chrome gives me this error: This web page is not available. The web page at http://10.1.64.100/useruploads/webteam/help2let/prop6-1.jpg might be temporarily down or it may have moved permanently to a new web address. More information on this error Below is the original error message Error 100 (net::ERR_CONNECTION_CLOSED): Unknown error. Has anyone seen this behaviour where the binary files (images) arent displayed, but html/text is?

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• How *NAT* was Implemented in Home Based Routers ? [closed]

  - by Sumit Arora

  Different Types of Home-Based Routers Exist, and those routers provide NAT Feature as well e.g; and most of them are Port Restricted. Q-1 : What kind of Base Softwares Manufactures use to develop NAT Functionality ? Q-2 : Is that Technology Proprietary ? Or some Open-Source used to develop that e.g; Firehol ? Q-3 : I am looking for a software which works exactly like a NAT,and by doing very basic configuration it should work either Symmetric NAT, Port Restricted NAT or Address Restricted NAT ? So that I can test some of my Network Application which are dependent on NAT via this way on same PC ? e.g; I can test my developed ICE Algorithms

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• Installing Bugzilla on Ubuntu 9.04 and Plesk

  - by makeflo

  Hey guys. I'm trying to install the latest Bugzilla version on my ubuntu server. (Want to use a subdomain like bugs.domain.com) I already installed all necessary perl modules and check_modules.pl doesn't show any errors. But when I'm running the testserver.pl script I get the following: TEST-OK Webserver is running under group id in $webservergroup TEST-FAILED Fetch of images/padlock.png failed I'm also not able to visit ANY file within the bugzilla folder from the browser. I'm always getting a 404 error. The bugzilla folder and all containing files are set to apache as the owner. I tried to enter the apache configuration form the installation guide in the http.include file of the domain and in the vhosts.conf file of the subdomain as well. I don't know what to do... Playing with plesks' suexecgroup doesn't bring any solution... I hope you can help me! Thanks in advance!

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• search nfs network volume from mac client

  - by user1440190

  Asked: how does a Mac OSX SL or Lion user search the cluster for a particular file (foo.txt) "From the cluster, you would need to run some form of recursive lookup for the file desired. As an example, using 'find'. RAM-1# find /ifs |grep test.txt /ifs/Elements/avid2test.txt /ifs/Elements/test.txt I would suggest contacting Apple support regarding their recommendation for searching for files on remote file systems from the Mac client itself" OK that's great, but I don't want users using CLI !!! Anyone know a good method (non-CLI)? Spotlight is not an option. BTW cluster is roughly 80TB

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• Should I care about Junit redundancy when using setUp() with @Before annotation?

  - by c_maker

  Even though developers have switched from junit 3.x to 4.x I still see the following 99% of the time: @Before public void setUp(){/*some setup code*/} @After public void tearDown(){/*some clean up code*/} Just to clarify my point... in Junit 4.x, when the runners are set up correctly, the framework will pick up the @Before and @After annotations no matter the method name. So why do developers keep using the same conventional junit 3.x names? Is there any harm keeping the old names while also using the annotations (other than it makes me feel like devs do not know how this really works and just in case, use the same name AND annotate as well)? Is there any harm in changing the names to something maybe more meaningful, like eachTestMethod() (which looks great with @Before since it reads 'before each test method') or initializeEachTestMethod()? What do you do and why? I know this is a tiny thing (and may probably be even unimportant to some), but it is always in the back of my mind when I write a test and see this. I want to either follow this pattern or not but I want to know why I am doing it and not just because 99% of my fellow developers do it as well.

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• Automated Qt testing framework

  - by user1457565

  Can someone recommend a good robust "Free" testing framework for Qt? Our requirements: Should be able to test basic mouse click / mouse move events SHould be able to handle non-widget view components Should have "record" capability to generate test scripts. Should be automatable for running it daily. We looked at: Squish - this solves all our problems. But it is just too da** expensive. KD Executor - the download page now links to the squish page and says thats what they recommend for testing. Not sure what they mean by that. TDriver - from nokia.qt. Super difficult to install. Very little documentation. Having a hard time to just install. I wonder how much harder it would be to write tests. qtestlib - Could not handle non-widget components. Everything has to be a widget to be tested. No "record" feature. Can someone help with any other alternative ? thanks Mouli

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• Testing performance from around the world - how do I get a linux shell easily in multiple countries?

  - by Matthew O'Riordan

  We are building a socket based service where latency is paramount, and as such we have servers distributed into 7 data centres around the world. However, whilst we know we're bringing the servers closer to the clients, it's very difficult to know how effective this is, and importantly, what difference this makes compared to our competitors. As such, we want to run simple scripts that test latency and throughput for both our service and our competitors, which is easy enough using Amazon, however Amazon only have 7 data centres. We would like to know for example how we perform in locations all over the world such as South Africa, Australia, China, Peru etc. Does anyone know of any service where we could piggy back off their global infrastructure and run some scripts to test this performance? The obvious contenders are people like Monitis, but I don't think they would allow us to run custom scripts, only standard protocol monitors. Thanks for your help. Matt

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• Have two exchange servers to communicate together

  - by Data-Base

  We have Exchange Server 2007 using our domain ddd.com. We created an isolated network with a firewall/gateway and installed a DC and Exchange Server 2010 using a demo/test domain (ddd.loc). We opened all the needed ports in the firewall (10.10.2.88) to the Exchange Server 2010. In our main Domain Controller (10.10.2.3) we defined the domain ddd.loc with IP 10.10.2.88 (firewalls). We also we defined MX records to the same IP (10.10.2.88) We did that so when we send email from my email [email protected] it will go to the Exchange Server 2010. Anyways, all the pings test from to any servers are OK. But we are not able to send or receive emails. Between these Exchange Servers we can not send any email from the 2010 to any email in general (emails are pending). Also, in Exchange 2007 we are getting error #550 5.1.1 RESOLVER.ADR.RecipNotFound; not found ##

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• nginx public webdav server

  - by Gert Cuykens

  Can you check the user group from a $remote_user? location ~ ^/home/(.*)$ { alias /home/$remote_user/$1; auth_pam "Restricted"; auth_pam_service_name "nginx"; dav_methods PUT DELETE MKCOL COPY MOVE; dav_access group:rw all:r; create_full_put_path on; } location ~ ^/get/(.*)$ { alias /home/$1; #check the group of the $remote_user; } curl -T test.txt 'http://gert:[email protected]/home/' curl 'http://friend:[email protected]/get/gert/test.txt'

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• Virtual PC "The page cannot be displayed" error connecting to iis7.5 site on Win7 host.

  - by stan

  I setup virtual pc with the Windows XP IE6 VHD to test a site on Windows 7 host. I created a loopback adapter connection on the host. I have several sites on IIS 7.5, I'm able to connect to all of them except one. And it's the site I need to test... I get "The page cannot be displayed" error. The site loads fine from the host(Windows 7). I've made sure the permissions match that of the other sites that do load. I've recreated the application in IIS manager. Does anyone know what the problem might be?

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• For an ORM supporting data validation, should constraints be enforced in the database as well?

  - by Ramnique Singh

  I have always applied constraints at the database level in addition to my (ActiveRecord) models. But I've been wondering if this is really required? A little background I recently had to unit test a basic automated timestamp generation method for a model. Normally, the test would create an instance of the model and save it without validation. But there are other required fields that aren't nullable at the in the table definition, meaning I cant save the instance even if I skip the ActiveRecord validation. So I'm thinking if I should remove such constraints from the db itself, and let the ORM handle them? Possible advantages if I skip constraints in db, imo - Can modify a validation rule in the model, without having to migrate the database. Can skip validation in testing. Possible disadvantage? If its possible that ORM validation fails or is bypassed, howsoever, the database does not check for constraints. What do you think? EDIT In this case, I'm using the Yii Framework, which generates the model from the database, hence database rules are generated also (though I could always write them post-generation myself too).

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• Practical way to set up an email inbox for testing?

  - by Ben Collins

  I need to test a high-volume email application. Up to now, I've just been using gmail ad-hoc aliases ([email protected]) to receive emails and see that the content is right. However, I now need to verify a recipient list, which means I need to get every single email that goes out on a particular test run. The problem with Google isn't clear, but there's some throttling somewhere (perhaps from SendGrid, who is my delivery provider), and only a very small number of those emails ever make it to my acount. So: what's a practical way to get where I want to be? Is there a way to get gmail to just accept everything? Is there a web app / service somewhere that will let me throw up a fake email address that can receive for a large number of recipients? Is there something else?

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• Resource Acquisition is Initialization in C#

  - by codeWithoutFear

  Resource Acquisition Is Initialization (RAII) is a pattern I grew to love when working in C++.  It is perfectly suited for resource management such as matching all those pesky new's and delete's.  One of my goals was to limit the explicit deallocation statements I had to write.  Often these statements became victims of run-time control flow changes (i.e. exceptions, unhappy path) or development-time code refactoring. The beauty of RAII is realized by tying your resource creation (acquisition) to the construction (initialization) of a class instance.  Then bind the resource deallocation to the destruction of that instance.  That is well and good in a language with strong destructor semantics like C++, but languages like C# that run on garbage-collecting runtimes don't provide the same instance lifetime guarantees. Here is a class and sample that combines a few features of C# to provide an RAII-like solution: using System; namespace RAII { public class DisposableDelegate : IDisposable { private Action dispose; public DisposableDelegate(Action dispose) { if (dispose == null) { throw new ArgumentNullException("dispose"); } this.dispose = dispose; } public void Dispose() { if (this.dispose != null) { Action d = this.dispose; this.dispose = null; d(); } } } class Program { static void Main(string[] args) { Console.Out.WriteLine("Some resource allocated here."); using (new DisposableDelegate(() => Console.Out.WriteLine("Resource deallocated here."))) { Console.Out.WriteLine("Resource used here."); throw new InvalidOperationException("Test for resource leaks."); } } } } The output of this program is: Some resource allocated here. Resource used here. Unhandled Exception: System.InvalidOperationException: Test for resource leaks. at RAII.Program.Main(String[] args) in c:\Dev\RAII\RAII\Program.cs:line 40 Resource deallocated here. Code without fear! --Don

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• public_html permissions for local development

  - by maGz

  I know this question has popped up a couple times, but I can't seem to find a definitive answer to my issue, so please bear with me. I have Ubuntu Server 12.04 setup in VirtualBox for PHP development and testing (Drupal plus other PHP sites using Yii framework). My question is in 3 parts... 1) If I create a public_html folder under /home/myuser, do I need to give ownership of that folder to the Apache www-data group? If so, are there any specific permissions I should be setting? 755? (Btw, I am following this guide to create the public_html directory and set up multiple virtual hosts per site I create and test) I previously had all of my sites under /var/www, but ran into massive permission denied errors whenever I tried to sFTP to it, either through FileZilla or PhpStorm. This is what I had previously done: sudo chgrp www-data /var/www sudo chmod -R 775 /var/www sudo chmod -R g+s /var/www sudo usermod -G www-data [my_ftp_user] 2) The second part of my question is this: If I create my PHP project and files in Windows through PhpStorm, and then upload via sFTP, will permissions get affected? 3) Once I am satisfied with my developed project, would it be advisable to move and test them under /var/www to see how it would fair in a production-ish environment? I would really appreciate the help and advice here. I'm learning more as I go along, but dealing with Linux files and permissions is a bit of a new ballgame for me! Thank you

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• Managing many draw calls for dynamic objects

  - by codetiger

  We are developing a game (cross-platform) using Irrlicht. The game has many (around 200 - 500) dynamic objects flying around during the game. Most of these objects are static mesh and build from 20 - 50 unique Meshes. We created seperate scenenodes for each object and referring its mesh instance. But the output was very much unexpected. Menu screen: (150 tris - Just to show you the full speed rendering performance of 2 test computers) a) NVidia Quadro FX 3800 with 1GB: 1600 FPS DirectX and 2600 FPS on OpenGL b) Mac Mini with Geforce 9400M 256mb: 260 FPS in OpenGL Now inside the game in a test level: (160 dynamic objects counting around 10K tris): a) NVidia Quadro FX 3800 with 1GB: 45 FPS DirectX and 50 FPS on OpenGL b) Mac Mini with Geforce 9400M 256mb: 45 FPS in OpenGL Obviously we don't have the option of mesh batch rendering as most of the objects are dynamic. And the one big static terrain is already in single mesh buffer. To add more information, we use one 2048 png for texture for most of the dynamic objects. And our collision detection hardly and other calculations hardly make any impact on FPS. So we understood its the draw calls we make that eats up all FPS. Is there a way we can optimize the rendering, or are we missing something?

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• dav_svn write access

  - by canavar

  Good day! I am configuring dav_svn and apache with ldap auth. What I want to do: allow anonymous READ access to repo allow write access to authenticated users Here comes my config: # Uncomment this to enable the repository DAV svn SVNPath /home/svn/ldap-test-repo AuthType Basic AuthName "LDAP-REPO Repository" AuthBasicProvider ldap AuthzLDAPAuthoritative on AuthLDAPBindDN "cn=svn,ou=applications,dc=company,dc=net" AuthLDAPBindPassword "pass" AuthLDAPURL ldap://ldap.company.net:389/ou=Users,dc=company,dc=net?uid?sub?(objectClass=person) <Limit GET PROPFIND OPTIONS REPORT> Allow from all </Limit> <LimitExcept GET PROPFIND OPTIONS REPORT> Require ldap-group cn=group,ou=services,dc=company,dc=net </LimitExcept> But when I do a test this config doesn't work... I can do checkout without auth and commit without auth... What I am doing wrong? Thanks!

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• When is the right time to join open source project for programmer?

  - by Mahesh

  Most of the newcomers in programming start with basic projects to start with programming. Most of the C++ progammers spend some time with puzzles and contests but this is not always helpful. Sometimes you've to spend some time on real projects. Starting your own open source project could be a problem in self-learning for newbie cause of lack of mentors and peers who can't look at your code and give suggestions. Open source projects can solve this problem, some projects could be best suited for new programmers. Besides everybody is newbie at some point. So i'll try and make this question a bit from beginners perspective. I tried few questions on stack overflow before asking this like How do i join & Bare minimum you need and how to get involved with open source and what level of programming etc. But this is not helping me when it comes to self-evaluating with skills. How to find that out ? How can i check what it takes to join open source project and am i really that comfortable with huge source code etc. My question is when to consider yourself comfortable joining open source programming ? I mean how will you test yourself that you're ready to take burden of big/small projects of open source ? how will you test yourself to see if you could work with version control/other programmers/tight schedule etc ?

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• Why doesn't postfix use my smtp_generic_maps?

  - by RichardTheKiwi

  What have I set up incorrectly? >postconf -n .... smtp_generic_maps = regexp:/etc/postfix/rewrite .... >cat /etc/postfix/rewrite /.*/ [email protected] >echo "test" | mail -s "test" [email protected] >tail -f /var/log/mail.log Dec 8 05:56:01 xxxxxxxxxxxx postfix/pickup[20227]: E9272709284: uid=501 from=<yyyy> Dec 8 05:56:01 xxxxxxxxxxxx postfix/cleanup[20270]: E9272709284: message-id=<[email protected]> Dec 8 05:56:01 xxxxxxxxxxxx postfix/qmgr[20228]: E9272709284: from=<[email protected]>, size=331, nrcpt=1 (queue active) Dec 8 05:56:03 xxxxxxxxxxxx postfix/smtp[20272]: E9272709284: to=<[email protected]>, relay=mailinator.com[72.51.33.80]:25, delay=1.1, delays=0.02/0.01/0.48/0.58, dsn=2.0.0, status=sent (250 Ok) FYI, I have reloaded postfix many times sudo postfix reload Note: This is on OSX 10.7.5

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• Live CD installer gets stuck with a grayed out forward button.

  - by TRiG

  I have a CD with Ubuntu 10.10 and a laptop with Ubuntu 8.10. The laptop had all sorts of crud on it, and anything I wanted to keep was backed up on an external drive, so I was happy to do a wipe and reinstall instead of an update. So after a bit of faffing about trying to work out how to get the thing to boot from the CD drive, I did that. So the screen comes up with the choice: the options are Try Ubuntu and Install Ubuntu. I choose to install and to overwrite my current installation. So far so good. I then get a progress bar labelled something like copying files (I forget the exact wording) and further options to fill in for my location, keyboard locale, username and password. On each of these screens there are forward and back buttons. On the last screen (password), the forward button is greyed out. Well, I think to myself, no doubt it will become active when that copying files progress bar completes. The progress bar never completes. It hangs. And the label changes from copying files to the chirpy ready when you are. The forward button remains greyed out. The back button is as unhelpful as you'd expect it to be. And there's nothing else to click. We have reached an impasse. I tried restarting the laptop, to test whether it actually was properly installed. It wasn't. I tried to run Ubuntu live from the CD, to test whether the disk was damaged. That wouldn't work either, but I suspect it's just because the laptop is old and has a slow disk drive. I'm typing this question on another computer using the Ubuntu live CD and it's working fine. So there's nothing wrong with the CD.

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• How to benchmark kernel (-Os vs -O2)

  - by NightwishFan

  It seems logical to me that on a 64-bit kernel compiling it to optimize for size might help overall. (My distro of choice uses -O2) It has the benefits of more registers and memory and perhaps less cache contention than normal optimized code. I have a kernel compiled like this and it seems excellent. However my question is how can I prove this? I like using Phoronix for "real world" sort of benchmarks so I would prefer to test cases like that. What should I pick to test? Does anyone else have any alternatives? Thank you very much in advance.

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• Can't find code examples of web tests in vs 2010 without record

  - by maayan-al

  im trying to write web test in vs2010 ultimate (i already tried the recording option but wasnt satisfy), i need some help getting started.

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• Is there any way of preventing .csv files being converted into excel format

  - by Kevin Trainer

  I'm trying to work with an automated testing tool which can use .csv files as its data sourse. After saving a notepad file containing a number of fields and data seperated by commas as .csv it appears to have been converted to an excel file. When I run the test, only the first line of values is identified and can be run within the automated test. Not sure if this is expected with the testing product (www.badboy.co.au), but just wondered if there was a way of preventing excel from taking control of the .csv file? Any helpfull feedback would be great.

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