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• Does RTSP live streaming just not work on Android 1.5/1.6?

  - by Aurora

  My main dev phone is a Nexus 1 running 2.2. I have successfully been streaming live video to this device from a Wowza server for several weeks now. I have now taken my application (without modifications) and put it on a Sony Ericsson Xperia running 1.6. The video will not play. I get the following errors: MediaPlayer: Couldn't open file on client side, trying server side ... MediaPlayer: info/warning (1/26) PlayerDriver: Command PLAYER_INIT completed with an error or info PVMFFailure MediaPlayer: Error:(1,-1) VideoView: Error: 1,-1 I've been googling around, but just can't seem to get a clear answer. Does anyone know if live streaming just doesn't work on some versions of Android?

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• Linux: Ways to communicate with kernel module from user space.

  - by Inso Reiges

  Hello, What are the ways to communicate with a kernel module from user space? By communication i mean sending information and commands between the module and a user space process. I currently know of two way: open/close/read/write/ioctl on published device node. read/write on exported and hooked /proc file. More specifically, can someone advice the best way to communicate with a kernel module that does not actually drives any hardware and therefore should not be littering /dev with stub nodes that exists solely for ioctl calls? I mostly need to check its various status variables and send it a block of data with a request type tag and see if the request succeeded. Inso.

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• Django "Error: cannot import name escape" on windows

  - by Sam

  I cannot run the dev server because of this error ("Error: cannot import name escape"). I assume its because of modifications I've done to the project, but i have no idea how to find where the error is originating from to fix it. I don't import anything called escape anywhere. Update Using django-admin.py rather than the projects manage.py, don't know why... Update 2 Now manage.py is working. This may be because I had a file called email.py which was trying to import email.mime.text (ie trying to import itself) renaming to sendemail.py solved this problem.

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• Finding an HTTP proxy that will intercept static resource requests

  - by pkh

  Background I develop a web application that lives on an embedded device. In order to make dev times sane, frontend development is done using apache serving static documents, with PHP proxying out to the embedded device for specifically configured dynamic resources. This requires that we keep various server-simulation scripts hanging around in source control, and it requires updating those scripts whenever we add a new dynamic resource. Problem I'd like to invert the logic: if the requested document is available in the static documents directory, serve it; otherwise, proxy the request to the embedded device. Optimally, I want a software package that will do this for me (for Windows or buildable on cygwin). I can deal with forcing apache to do it with PHP, but I'm unsure how to configure it to make it happen. I've looked at squid and privoxy, but neither of them seem to do what I want. Any ideas? I'd rather not have to roll my own.

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• some confusions to singleton pattern in PHP

  - by SpawnCxy

  Hi all, In my team I've been told to write resource class like this style: class MemcacheService { private static $instance = null; private function __construct() { } public static function getInstance($fortest = false) { if (self::$instance == null) { self::$instance = new Memcached(); if ($fortest) { self::$instance->addServer(MEMTEST_HOST, MEMTEST_PORT); } else { self::$instance->addServer(MEM_HOST, MEM_PORT); } } return self::$instance; } } But I think in PHP resource handles will be released and initialized again every time after a request over. That means MemcacheService::getInstance() is totally equal new Memcached() which cannot be called singleton pattern at all. Please correct me if I'm wrong. Regards

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• How do I manage specs in Scrum ?

  - by this. __curious_geek

  Referring to this buddy question, I want to know how one can manage specs in Scrum process ? I'm facing this problem while assigning tasks to my team for the sprint. Needless to say - I'm new to Agile/Scrum. Currently, we are using our own specs sheet to map StoryId to SpecId and vice versa. I'm getting the felling that Scrum is more about project management [getting things done on time] and you need a seperate process to manage specs and requirements. How do we manage specs in a Scrum process ?

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• Boost::Archive causing weird linker error.

  - by Dallin Wellington

  Does anyone have a clue why those two lines would cause that linker error? std::ifstream ifs("filename.file"); boost::archive::binary_iarchive iarchv( ifs ); Error 8 fatal error LNK1104: cannot open file 'F:\dev\project\build\win32-unit\tests\Debug\framework_core_tests.lib' ramework_core_tests framework_core_tests The same happens with any Boost::Archive type. Its trying to link against a library of the same name as my executable for some reason when that project doesn't nor never existed and is not defined as a library to link against in my project files.

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• Common Programming Jargon

  - by jdk

  What programming terms have you coined (or heard) that have taken off in your own circles (i.e. have heard others repeat it)? It might be within your own team, workplace or garnered greater popularity on the Internet. Write your programming term, word or phrase in bold text followed by an explanation, citation and/or usage example so we can use it in appropriate context. Please no repeats of common jargon already ingrained in the programming culture like: "kludge", "automagically", "cruft", etc. (unless you coined it). Stealing from the comments: "A shared vocabulary is the basis of communication, not just among programmers [...]"

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• Disable system sleep during long builds

  - by Paul Alexander

  From time to time I need to run a full build of the entire tool chain for our software on my development machine. To save on power my I've got my dev machine set to go sleep after 20 minutes of inactivity. Building the full tool chain can take up to an hour and I'll often just go to lunch. However, if I forget to disable sleep I can return to a sleeping machine with the build only partially complete. What I'm looking for is a way to automatically disable sleep while MSBuild is running. Does anyone know of a simple way of doing this?

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• If OOP makes problems with large projects, what doesn't?

  - by osca

  I learned Python OOP at school. My (good in theory, bad in practice) informatics told us about how good OOP was for any purpose; Even/Especially for large projects. Now I don't have any experience with teamwork in software development (what a pity, I'd like to program in a team) and I don't know anything about scaling and large projects either. Since some time I'm reading more and more about that object-oriented programming has (many) disadvantages when it comes to really big and important projects/systems. I got a bit confused by that as I always thought that OOP helped you keep large amounts of code clean and structured. Now why should OOP be problematic in large projects? If it is, what would be better? Functional, Declarative/Imperative?

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• Extending Windows Desktop using C#

  - by Lijo

  Hi Team, I am trying to customize my Windows XP’s desktop using C# code. This is my first venture of this kind. Could you please point me to some documentation that will Give the names of classes that can be used for extending/customizing Windows’ desktop Some example code What I am trying to do specifically is as follows I am planning to customize the desktop. When I unlock my computer (by entering user name and password) the files should come(by flying) into their required places. Initially the files are to be located in the right end corner. Thanks Lijo Cheeran Joseph

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• How to stop Visual Studio from returning duplicates answers?

  - by Franck Mesirard

  In my team, we put all our projects (only 7 large ones) in the same solution. And since some code is common between project we tend to have the same file included in each project. This is fine and compiles/runs well. But when I do a global search in my solution, VS does a "stupid" search and goes through all the files in each project, without checking if a file has already been searched. This leads to longer searches whose results have duplicates. Do anyone know a fix for this issue?

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• Spawning Process Never Finishes on ASP.NET Page

  - by Nissan Fan

  The code below spawns the process and sits forever, never finishing. It doesn't matter what process I run. If I use delegates it doesn't work either. It just hangs up in my dev and on the test enviornment. Also, if I use Shell with Wait it does the same thing. If I set wait to false in either approach it works just fine. It's ASP.NET 2.0 VB.NET DotNetNuke 4.0 on Windows Server 2003. I can't even phathom why this would hang up. UPDATE: It causes the CPU to throttle up but it's not running anything. It's like there's something weird going on in the threading. From: http://www.freevbcode.com/ShowCode.asp?ID=5879 Public Sub ShellandWait(ByVal ProcessPath As String) Dim objProcess As System.Diagnostics.Process objProcess = New System.Diagnostics.Process() objProcess.StartInfo.FileName = ProcessPath objProcess.StartInfo.WindowStyle = ProcessWindowStyle.Hidden objProcess.Start() 'Wait until the process passes back an exit code objProcess.WaitForExit() 'Free resources associated with this process objProcess.Close() End Sub

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• What are Android different screens dimensions in dp for different screens (e.g. xlarge = 960dp x 720dp)?

  - by Zizo

  in this link: Range of screens supported, Android team mentioned that: As you design your UI for different screen sizes, you'll discover that each design requires a minimum amount of space. So, each generalized screen size above has an associated minimum resolution that's defined by the system. These minimum sizes are in "dp" units—the same units you should use when defining your layouts—which allows the system to avoid worrying about changes in screen density. xlarge screens are at least 960dp x 720dp large screens are at least 640dp x 480dp normal screens are at least 470dp x 320dp small screens are at least 426dp x 320dp So, If I want to support all Android screens, can I create images, for full screen view, in those dimensions and that will be sufficient condition to support all available screens? or they are just the minimum sizes, and I need other dimensions? If other dimensions are needed, Please list them as in the list above. Thanks in Advance.

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• Maven: Multiple class with the same path implemented in different jar

  - by Phuong Nguyen de ManCity fan

  I'm running into trouble with having multiple class with the same path (i.e. same name, same package!!!). For some reason, gwt-dev comes with its own version of org.apache.xerces.jaxp.DocumentBuilderFactoryImpl and javax.xml.parsers.DocumentBuilderFactory. At the same time, spring also depends on these classes but from different jar. I don't know what should be, but look like xalan & xml-api are the two dependencies that spring depends on (these dependency are optional) Funny thing is that eclipse can run the same code (it's a unit test) without problem, but surefire cannot. So I guess the problem is due to the way each runner consider the priority of each jar. Now come to the question: How can I setup my POM so that I can sure that when ever any code running inside my app, then class from a jar will be selected over class from other jar? Thanks.

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• How to merge/crosslink Javadoc?

  - by Tom Wheeler

  If you have the standard Javadoc for a few different projects, how can you process them to create a single unified set of documentation in which everything is cross-linked? Ideally, the result would be similar to the documentation for the various modules in the NetBeans Platform: http://bits.netbeans.org/dev/javadoc/index.html but I've looked at their build scripts and they're predicated on you building everything from source. I'm looking for something which could also handle linking in Javadoc for third-party libraries, so I'd imagine it would need to be a post-processing operation. I can't be the first person to ever want this. Any ideas?

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• Access to path denied when saving an image with ASP.NET 4.0 project

  - by user161276

  I have an existing application that was written in .NET 3.5. The piece of code in question is using the FileUpload control and its SaveAs method. Its worked perfectly for the past six months, but I've recently upgraded the project to .NET 4.0 and I'm now receiving an "Access to path (...) is denied" every time the method is called. It works fine locally in dev mode but fails on my prod server. I've upgraded the website to run under .NET 4.0 and I've made sure the account (Network Service) it runs under in the app pool has full control. Other than upgrading to .NET 4.0, nothing has changed for the project. Any ideas or suggestions? Thanks in advance.

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• Suggest an Alternative for glTranslate() load on CPU.

  - by Nagaraj

  I have been working on a project of OpenGL. Here I just display a boat moving along with some option's for view change.. Its a 2D program. The thing is I have used many glTranslate functions for moving the boat in the code. It works properly in Windows(DEV-CPP) but when executed in Fedora it has a very very very slow movement for boat. When checked for the CPU LOAD it was huge. So any thing which i can try to move the boat faster? Please help :)

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• Regex to allow all php files except one

  - by Tim

  Hi all, I have this regex that allow all php files : ^.*\.([Pp][Hh][Pp]) how can I exclude a specific file, for example test.php ? Thanks for your answer, Best regards [edit] I omit to say that it is a reg from a htaccess file, the /i doesn't seems to work, and the ? neither. [Edit2] the purpose is to grant access to authenticated users, except for one file that has to be allowed for everyone. So I've done : <Files ~ "^.*\.([Pp][Hh][Pp])$"> AuthUserFile /directory/.htpasswd AuthGroupFile /dev/null AuthName "Please log in ..." AuthType Basic require valid-user </Files> So, all php files require valid user. I would like to add an exception for a specific file, says test.php

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• Formatting Log File Messages

  - by Kumar

  This is about formatting the messages for logging so as to subsequently be able to parse them relatively easily esp. given the extensive logging required in financial apps Typically a line in the log file is of the form TimeStamp: Module/Function: where the log string contains whatever you choose, typically you'd have some key=value paradigm or even johnny5 key {value} etc. A regex search through the log file might easily pick up Module/Function but enforcing and maintaing consistency on the log string itself for every developer on the team is often a pain The logging api's are typically ILog.LogInfo(string text, params object[] args) ILog.LogWarning(string text, params object[] args) ILog.LogError(string text, params object[] args) Looking for opinions on better logging api's to format the log messages where a regex search can be performed for Module/Function = Basket/AddItem TokenA = Value1 and TokenB = Value2 etc. without going over every developer's every logging call

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• Is there anyway to bring web @Context into JUnit (CXF+Spring)

  - by Sudheer

  I am trying to create unit test environment to test RESTFul services (cfx+spring) in my dev environemnt. To test RESTFul Services, I require @Context within JUnit test cases. @Context should contain HttpRequest, HttpSession, ServletContext, ServletConfig and all other webserver related information. I have setup the JUnit for the above, but when I run, @Context is coming as null. This could be because there is no webserver running and there is no @Context. I am just doubting whether there is a way to created sample web @Context and pass to JUnit. Any other ideas are welcome to bring web @Context into JUnit test cases. Thank you, Sudheer

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• Upgrade live Universal App to iPad only

  - by Alpár

  Hi. We have a live universal app in the AppStore. Our client changed his mind and doesn't want the app to be universal anymore, he wants it to be iPad only. Since the app was submitted some time ago, there are users who use the iPhone version. What happens if we submit an upgrade that is iPad only? Will the review team reject it? And if it goes live, will the iPhone users receive a notification about the update? If yes in what form? Or will the iPhone users just be unable to reinstall the app? Thank you!

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• innodb lock wait timeout

  - by shantanuo

  As per the documentation link given below: When a lock wait timeout occurs, the current statement is not executed. The current transaction is not rolled back. (Until MySQL 5.0.13 InnoDB rolled back the entire transaction if a lock wait timeout happened. You can restore this behavior by starting the server with the --innodb_rollback_on_timeout option, available as of MySQL 5.0.32. http://dev.mysql.com/doc/refman/5.0/en/innodb-parameters.html#sysvar_innodb_lock_wait_timeout Does it mean that when a lock wait timeout occurs, it compromises the transactional integrity? "roollback on timeout" was the default behaviour till 5.0.13 and I guess that was the correct way to handle such situations. Does anyone think that this should be the default behaviour and the user should not be asked to add a parameter for a functionality that is taken for granted?

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• Consuming WCF from BizTalk 2006r1

  - by Rob Bowman

  Hi I need to create an Orchestration in BizTalk 2006r1 that will consume a WCF basicHTTP web service. Does anyone have a pointers on how to do this please? The WCF service has been created by another team but I am able to request that they create an additional endpoint with binding configuration set to make calling from BizTalk SOAP adapter possible. I just created a simple test basicHTTP service that runs fine when tested from a command line client. When I got to BizTalk add web reference I am able to browse to the service but then get a message "Failed to add web reference" and it bombs out! Any help gratefully received. Thanks Rob.

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• Data model for timesheet to task and/or timesheet to project?

  - by John

  Let's say I want to make a simple project tracking system. A manager can create a project. Then he can create tasks for that project. Team members can record the hours they work for each task or for the project as a whole. Is the following design for the t_timesheet table a good idea? timesheet_id - primary key, autoincrement project_id - not null, foreign key constraint to t_project task_id - nullable, foreign key constraint to t_task user_id - not null, foreign key constraint to t_user hours - decimal Or should I do something like this: timesheet_id - primary key, autoincrement task_id - not null, foreign key constraint to t_task user_id - not null, foreign key constraint to t_user hours - decimal In the second option, I intend to always have a record in t_task labelled "miscellaneous items" with a foreign key to the relevant t_project record. Then I'll be able to track all hours for a project that aren't for any particular task. Are any of the ideas above good? What would be better?

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