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• TFS Build errors TF224003, TF215085, TF215076

  - by iamdudley

  Hi, I am using TFS2008 and VS2008. I run nightly builds for about 20 applications using one build agent and the builds are scheduled for either 1am or 2am. Most of the build succeed, however 6 of them fail regularly with similar errors. The errors are either the first two below, or the third one by itself: TF215085: An error occurred while connecting to agent \xxxx\BUILDMACHINE: TF215076: Team Foundation Build on computer BUILDMACHINE (port 9191) is not responding. (Detail Message: The request was aborted: The operation has timed out.) 11/04/2010 2:10:10 AM TF224003: An exception occurred on the build computer BUILDMACHINE: The build (vstfs:///Build/Build/2632) has already completed and cannot be started again.. TF215085: An error occurred while connecting to agent \yyyyy\BA_WKSTFSBUILD: Team Foundation services are not available from server srvtfs. Technical information (for administrator): The operation has timed out It looks to me like some kind of communication error, maybe the port gets over loaded - can this happen? Should I spread the builds out a bit more? In the build definition it says "Queue the build on the default build agent at", so I figured if I scheduled them to start at the same time they would be queued and occur sequentially. Most of the suggestions I've found online for these errors are for all or nothing scenarios where no builds work at all whereas my problem is most build but some consistently do not. Judging by the dates of the last successful builds of these 6 failing builds I believe it is the same 6 failing every night. (I'm editing the build definitions now to keep the failed builds so I can get some more info on the problem) Any help on this would be much appreciated. James.

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• Gomoku array-based AI-algorithm?

  - by Lasse V. Karlsen

  Way way back (think 20+ years) I encountered a Gomoku game source code in a magazine that I typed in for my computer and had a lot of fun with. The game was difficult to win against, but the core algorithm for the computer AI was really simply and didn't account for a lot of code. I wonder if anyone knows this algorithm and has some links to some source or theory about it. The things I remember was that it basically allocated an array that covered the entire board. Then, whenever I, or it, placed a piece, it would add a number of weights to all locations on the board that the piece would possibly impact. For instance (note that the weights are definitely wrong as I don't remember those): 1 1 1 2 2 2 3 3 3 444 1234X4321 3 3 3 2 2 2 1 1 1 Then it simply scanned the array for an open location with the lowest or highest value. Things I'm fuzzy on: Perhaps it had two arrays, one for me and one for itself and there was a min/max weighting? There might've been more to the algorithm, but at its core it was basically an array and weighted numbers Does this ring a bell with anyone at all? Anyone got anything that would help?

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• Can't step into stored procedure on remote SQL Server 2008

  - by abatishchev

  I have a domain installed on virtual Windows Server 2008 x64. SQL Server 2008 Express x64 is running in Windows Server 2008 x64 and client on Windows 7 RTM x86. Both are into the domain. I'm starting both Visual Studio 2008 and SQL Server Management Studio 2008 under domain admin user. This account is a member of group sysadmin on SQL Server. Server has firewall exceptions for both TCP and UDP on ports 135-139 and 1433-1434. Visual Studio 2008 Remote debugger services is started on server and Domain Admins group is allowed to debug, When I'm starting debugging of a query in SMS I'm getting this error: Failed to start debugger Error HRESULT E_FAIL has been returned from a call to a COM component. (mscorlib) Program Location: at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo) at Microsoft.SqlServer.Management.UI.VSIntegration.DebugSession.DebugCallbacks.OnSqlInitializeDebuggingEvent(ISqlInitializeDebuggingEvent sqlInitializeDebuggingEvent) at Microsoft.SqlServer.Management.UI.VSIntegration.DebugSession.DebugCallbacks.Microsoft.VisualStudio.Debugger.Interop.IDebugEventCallback2.Event(IDebugEngine2 debugEngine, IDebugProcess2 debugProcess, IDebugProgram2 debugProgram, IDebugThread2 debugThread, IDebugEvent2 debugEvent, Guid& riidEvent, UInt32 attribute) and Unable to access the SQL Server debugging interface. The Visual Studio debugger cannot connect to the remote computer. A firewall may be preventing communication via DCOM to the remote computer. Please see Help for assistance. and Unable to start program MSSSQL://server.mydomain.local/master/sys/=0 And when stepping-in into a stored procedure using VS I'm getting the first one and this: Exception from HRESULT: 0x89710016 What have I do?

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• Git subtree not properly using .gitignore when doing a partial clone

  - by D W

  I am a graduate student with many scripts, bibliography data in bibtex, thesis draft in latex, presentations in open office, posters in scribus, and figures and result data. I would like to put everything in one project under version control. Then when I need to work on a portion such as the bibliography data, I would like to check that subdirectory out, modify it as necessary and merge it back.I would like the ability to check out one version to my home computer, and a different one to my work computer and make changes to each independently and eventually merge them back. I would also like to be able to check out a piece of code from this big project and import it with versioning into a separate project. If I may changes I'd like to be able to merge them back to the original project. Based on my understanding git subtree can do this. http://github.com/apenwarr/git-subtree There is an example that is along the lines of what I'm trying to do at: http://psionides.jogger.pl/2010/02/04/sharing-code-between-projects-with-git-subtree/ Say the trunk of my project contained the directories: (bib bin cfg data fig src todo). When I use git subtree split -P bib -b export git checkout export I get a the bib directory, plus all files that should have been ignored or considered binary based on .gitignore such as the src directory and everything in it that ends in a tilde or the ./data directory. dwickrama@DWwork:~/research/trunk$ ls * -r biblography.bib JabRef src: script1.sh~ README~ script2.sh~ script3.sh~ script4.R~ script5.awk~ script5.py~ cfg: cfgFile1.ini~ cfgFile2.ini~ cfgFile3.ini~ bin: bigBinaryPackage1 bigBinaryPackage2 dwickrama@DWwork:~/research/trunk$ My .gitignore file is as follows: *.doc diff=word *.tex diff=tex *.bib diff=bibtex *.py diff=python *.eps binary *.jpg binary *.png binary ./bin/* binary *~ How do I prevent this?

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• windows shell scripting through java

  - by GAURAV JAISWAL

  i am designing a desktop application like nero for removable media storage that also includes features of copyfast. i want to add an option of my own choice in the windows explorer right click menu. how can i do that? am i proceeding in the right direction?

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• MSBuild Community Tasks can't see msbuild in cmd

  - by phenevo

  Hi, I have winforms project app.config: <?xml version="1.0" encoding="utf-8" ?> <configuration> <configSections> <sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" > <section name="MyClient.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" /> </sectionGroup> </configSections> <applicationSettings> <MyClient.Properties.Settings> <setting name="MyClient_MyService_MyService" serializeAs="String"> <value>SomeUniqueKeyWithAGoodName/server/myService.asmx</value> </setting> </MyClient.Properties.Settings> </applicationSettings> </configuration> customized.targets: <Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <PropertyGroup> <BuildEnvironment>DEV</BuildEnvironment> </PropertyGroup> <Choose> <When Condition=" '$(BuildEnvironment)' == 'DEV' "> <PropertyGroup> <BaseUrlWebServices>http://tools.productionServer.pl</BaseUrlWebServices> <PublishDir>C:\Documents and Settings\myName\Desktop\Project\TestMsBuild\</PublishDir> </PropertyGroup> </When> <When Condition=" '$(BuildEnvironment)' == 'QA' "> <PropertyGroup> <BaseUrlWebServices>http://tools.testServer.pl</BaseUrlWebServices> <PublishDir>C:\Documents and Settings\myName\Desktop\Project\TestMsBuild2\</PublishDir> </PropertyGroup> </When> </Choose> </Project> and publishQA.bat (this file is in directory of project) @ECHO OFF msbuild /t:Publish /p:Configuration=Release /p:BuildEnvironment=QA /p:ApplicationVersion=1.2.3.5 pause When I'm running this bat I get error in cmd: @@echo is not recognised... When I'm starting project it's ok, but when I'm lauch try to use any method from webservice I got error about wrong URI. Good uri for QA is : http://tools.testServer.pl/server/myService.asmx Any ideas ?

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• C# web cam WM_CAP_CONNECT: Want to force a capture source when multiple capture sources present.

  - by Codejoy

  I am using WebCam_Capture code I found online to access through C# a web cam. On a computer with one video source it works like a charm! (Program starts up at start up, finds the webcam and it works). Though on a computer with many video sources (Say a web cam and then manycam running on top of that), the program starts and queries the user which source to use. I would love my program to start up autonomously at the restart of a machine so this waiting for user input throws a wrench in that, anyway I can force it to just select say the first found source and go with that? So i have some webcam code I yes indeed found online here: http://channel9.msdn.com/forums/TechOff/93476-Programatically-Using-A-Webcam-In-C/?CommentID=94149 and now in preparing this post I did do more research and found out that my issue lies in this line from the above code: SendMessage(mCapHwnd, WM_CAP_CONNECT, 0, 0); That is what connects the webcam up, the only issue is that the above brings up this annoying video source dialog if I have more than one source. I want it to just use the first source so that dialog doesn't come up. I tried passing in different values where the 0's are, sure enough the dialog doesn't come up but it doesn't work either. Anyone know if there is a value I can pass to the SendMessage to suspend the dialog and yet have it select the first video source it finds?

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• WPF Animation FPS vs. CPU usage - Am I expecting too much?

  - by Cory Charlton

  Working on a screen saver for my wife, http://cchearts.codeplex.com/, and while I've been able to improve FPS on lower end machines (switch from Path to StreamGeometry, use DrawingVisual instead of UserControl, etc) the CPU usage still seems very high. Here's some numbers I ran from a few 5 minute sampling periods: ~60FPS 35% average CPU on Core 2 Duo T7500 @ 2.2GHz, 3GB ram, NVIDIA Quadro NVS 140M (128MB), Vista [My dev laptop] ~40FPS 50% average CPU on Pentium D @ 3.4GHz, 1.5GB ram, Standard VGA Graphics Adapter (unknown), 2003 Server [A crappy desktop] I can understand the lower frame rate and higher CPU usage on the crappy desktop but it still seems pretty high and 35% on my dev laptop seems high as well. I'd really like to analyze the application to get more details but I'm having issues there as well so I'm wondering if I'm doing something wrong (never profiled WPF before). WPF Performance Suite: Process Launch Error Unable to attach to process: CCHearts.exe Do you want to kill it? This error message occurs when I click cancel after attempting launch. If I don't click cancel it sits there idle, I guess waiting to attach. Performance Explorer: Could not launch C:\Projects2\CC.Hearts\CC.Hearts\bin\Debug (USEVISUAL)\CCHearts.exe. Previous attempt to profile the application finished unsuccessfully. Please restart the application. Output Window from Performance: Profiling started. Profiling process ID 5360 (CCHearts). Process ID 5360 has exited. Data written to C:\Projects2\CC.Hearts\CCHearts100608.vsp. Profiling finished. PRF0025: No data was collected. Profiling complete. So I'm stuck wanting to improve performance but have no concrete way to determine where the bottleneck is. Have been relatively successful throwing darts at this point but I'm beyond that now :) PS: Screensaver is hosted at CodePlex if you want to look at the source and missed the link above. Edit: My RenderOptions darts... // NOTE: Grasping at straws here ;-) RenderOptions.SetBitmapScalingMode(newHeart, BitmapScalingMode.LowQuality); RenderOptions.SetCachingHint(newHeart, CachingHint.Cache); RenderOptions.SetEdgeMode(newHeart, EdgeMode.Aliased); I threw those a little while back and didn't see much difference (not sure if the bitmap scaling even comes into play). Really wish I could get profiling working to know where I should try to optimize. For now I assume there is some overhead in creating a new HeartVisual and the DrawingVisual contained inside. Maybe if I reset and reused the hearts (tossed them in a queue once they completed or something) I'd see an improvement. Shrug Throwing darts while blindfolder is always fun.

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• Using git subtree to clone a subdirectory of a project with versioning history then merge it back af

  - by D W

  I am a graduate student with many scripts, bibliography data in bibtex, thesis draft in latex, presentations in open office, posters in scribus, and figures and result data. I would like to put everything in one project under version control. Then when I need to work on a portion such as the bibliography data, I would like to check that subdirectory out, modify it as necessary and merge it back.I would like the ability to check out one version to my home computer, and a different one to my work computer and make changes to each independently and eventually merge them back. I would also like to be able to check out a piece of code from this big project and import it with versioning into a separate project. If I may changes I'd like to be able to merge them back to the original project. Based on my understanding git subtree can do this. http://github.com/apenwarr/git-subtree There is an example that is along the lines of what I'm trying to do at: http://psionides.jogger.pl/2010/02/04/sharing-code-between-projects-with-git-subtree/ This code is from that site: git clone git://git2.kernel.org/pub/scm/git/git.git newtree=$(git subtree split --prefix=gitweb --annotate='(split) ' \ 0a8f4f0^.. --onto=1130ef3 --rejoin) git branch latest_gitweb $newtree gitk latest_gitweb Say the trunk of my project contained the directories: (bib bin cfg data fig src todo). How would I use git-subtree to split off the bib (bibliography) directory with versioning? When I use git-subtree split --prefix=bib I get 884842f6f4e9896e2e4e9402ee0ef762cd617257 as output, but I don't know where to go from there.

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• Hadoop Hive web interface options

  - by Garethr

  I've been experimenting with Hive for some data mining activities and would like to make it easily available to less command line orientated colleagues. Hive does now ship with a web interface (http://wiki.apache.org/hadoop/Hive/HiveWebInterface) but it's very basic at this stage. My question is does a visually polished and fully featured interface (either desktop or preferably web based) to Hive exist yet? Are their any open source efforts outside the Hive project working on this?

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• Using the Rijndael Object in VB.NET

  - by broke

  I'm trying out the Rijndael to generate an encrypted license string to use for our new software, so we know that our customers are using the same amount of apps that they paid for. I'm doing two things: Getting the users computer name. Adding a random number between 100 and 1000000000 I then combine the two, and use that as the license number(This probably will change in the final version, but I'm just doing something simple for demonstration purposes). Here is some sample codez: Private Sub Main_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim generator As New Random Dim randomValue As Integer randomValue = generator.Next(100, 1000000000) ' Create a new Rijndael object to generate a key ' and initialization vector (IV). Dim RijndaelAlg As Rijndael = Rijndael.Create ' Create a string to encrypt. Dim sData As String = My.Computer.Name.ToString + randomValue.ToString Dim FileName As String = "C:\key.txt" ' Encrypt text to a file using the file name, key, and IV. EncryptTextToFile(sData, FileName, RijndaelAlg.Key, RijndaelAlg.IV) ' Decrypt the text from a file using the file name, key, and IV. Dim Final As String = DecryptTextFromFile(FileName, RijndaelAlg.Key, RijndaelAlg.IV) txtDecrypted.Text = Final End Sub That's my load event, but here is where the magic happens: Sub EncryptTextToFile(ByVal Data As String, ByVal FileName As String, ByVal Key() As Byte, ByVal IV() As Byte) Dim fStream As FileStream = File.Open(FileName, FileMode.OpenOrCreate) Dim RijndaelAlg As Rijndael = Rijndael.Create Dim cStream As New CryptoStream(fStream, _ RijndaelAlg.CreateEncryptor(Key, IV), _ CryptoStreamMode.Write) Dim sWriter As New StreamWriter(cStream) sWriter.WriteLine(Data) sWriter.Close() cStream.Close() fStream.Close() End Sub There is a couple things I don't understand. What if someone reads the text file and recognizes that it is Rijndael, and writes a VB or C# app that decrypts it? I don't really understand all of this code, so if you guys can help me out I will love you all forever. Thanks in advance

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• Visual Studio 2010 Web Deployment

  - by Cranialsurge

  I am trying to use VS2010's 1-Click Publish feature to deploy a test site from my laptop to my server. I have the firewall turned off on both machines and the MS Deployment Service is up and running on both my laptop and the server. However when I try and publish from VS2010 on my laptop I get the following error Error 1 Web deployment task failed.(Remote agent (URL https://192.168.1.181/:8172/msdeploy.axd?site=LocationsTest) could not be contacted. Make sure the remote agent service is installed and started on the target computer.) The requested resource does not exist, or the requested URL is incorrect. Error details: Remote agent (URL https://192.168.1.181/:8172/msdeploy.axd?site=LocationsTest) could not be contacted. Make sure the remote agent service is installed and started on the target computer. An unsupported response was received. The response header 'MSDeploy.Response' was '' but 'v1' was expected. The remote server returned an error: (404) Not Found. 0 0 Test.Web Any idea what I am doing wrong here ?

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• Blackberry application testing in Blackberry Mobile getting error like this attempts to access a sec

  - by upendra

  I developed a Blackberry application using Eclipse. The application is working fine in the simulator. By using Blackberry desktop software, I tested the application in Blackberry mobile and it's working fine; but when I am using Progressbar screen, I am getting an error like this "Error starting Applicationname : Module 'ApplicationName' attempts to access a secure API." How do I avoid this error?

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• m2eclipse: Eclipse is running in a JRE, but a JDK is required

  - by GernoK

  Hello, I have a problem with m2eclipse (0.10.0) together with eclipse galileo (Build id: 20090920-1017). I always get the error message:"Eclipse is running in a JRE, but a JDK is required". I have tried several things, but nothing works. The error message is still there. Here are the things I have tried: In WindowPreferencesJavaInstalled JREs I checked JDK1.6.0_20. DOES NOT WORK In WindowPreferencesJavaInstalled JREs I removed all JREs. Only the checked JDK1.6.0_20 is still there. DOES NOT WORK In WindowPreferencesJavaInstalled JREsExecution Environments I choosed JavaSE-1.6 and checked JDK1.6.0_20[perfect match]. DOES NOT WORK. In Preferences of the eclipse desktop start icon I added the -vm parameter (C:\Programme\eclipse_galileo\eclipse\eclipse.exe -vm C:\Programme\Java\jdk1.6.0_20\bin). DOES NOT WORK. I added the clean parameter (C:\Programme\eclipse_galileo\eclipse\eclipse.exe -vm C:\Programme\Java\jdk1.6.0_20\bin -clean). DOES NOT WORK. I added the -vm parameter to the eclipse.ini file with a carriage return after -vm and C:/Programme/Java/jdk1.6.0_20/bin/javaw.exe in a new line. DOES NOT WORK. After doing all these things I removed the m2eclipse plugin and installed it once again. DOES NOT WORK. New ideas I have tried: In Preferences of the eclipse desktop start icon I put the executable at the end (C:\Programme\eclipse_galileo\eclipse\eclipse.exe -vm C:\Programme\Java\jdk1.6.0_20\bin\javaw.exe). DOES NOT WORK. I changed in eclipse.ini the slashes to backslashes. DOES NOT WORK. Here is my eclipse.ini file: -startup plugins/org.eclipse.equinox.launcher_1.0.201.R35x_v20090715.jar --launcher.library plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.0.200.v20090519 -product org.eclipse.epp.package.jee.product --launcher.XXMaxPermSize 256M -showsplash org.eclipse.platform --launcher.XXMaxPermSize 256m -vm C:\Programme\Java\jdk1.6.0_20\bin\javaw.exe -vmargs -Dosgi.requiredJavaVersion=1.5 -Xms40m -Xmx512m Is anyone out there who have other ideas? Any help is appreciated. Thank You very much. GernoK

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• Reset VS2010 Project Templates?

  - by Jimbo Jones

  I installed Blend 4 RC recently but strangely it deleted some of my VS2010 projects templates, including the most important ones being Silverlight User Control and Silverlight Application. Does anybody know how to get back these templates or tell VS2010 to reset all templates? A bit frustrating, I'm having to create projects on my laptop then copy them to my desktop manually :(

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• Best ways to teach a beginner to program?

  - by Justin Standard

  Original Question I am currently engaged in teaching my brother to program. He is a total beginner, but very smart. (And he actually wants to learn). I've noticed that some of our sessions have gotten bogged down in minor details, and I don't feel I've been very organized. (But the answers to this post have helped a lot.) What can I do better to teach him effectively? Is there a logical order that I can use to run through concept by concept? Are there complexities I should avoid till later? The language we are working with is Python, but advice in any language is welcome. How to Help If you have good ones please add the following in your answer: Beginner Exercises and Project Ideas Resources for teaching beginners Screencasts / blog posts / free e-books Print books that are good for beginners Please describe the resource with a link to it so I can take a look. I want everyone to know that I have definitely been using some of these ideas. Your submissions will be aggregated in this post. Online Resources for teaching beginners: A Gentle Introduction to Programming Using Python How to Think Like a Computer Scientist Alice: a 3d program for beginners Scratch (A system to develop programming skills) How To Design Programs Structure and Interpretation of Computer Programs Learn To Program Robert Read's How To Be a Programmer Microsoft XNA Spawning the Next Generation of Hackers COMP1917 Higher Computing lectures by Richard Buckland (requires iTunes) Dive into Python Python Wikibook Project Euler - sample problems (mostly mathematical) pygame - an easy python library for creating games Create Your Own Games With Python ebook Foundations of Programming for a next step beyond basics. Squeak by Example Recommended Print Books for teaching beginners Accelerated C++ Python Programming for the Absolute Beginner Code by Charles Petzold

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• NSData's writeToFile method failing with server address

  - by Ricky

  Hi. I am trying to write an NSData object to a directory like so; [myData writeToFile:[NSString stringWithFormat:@"%@/%@.txt", path, filename] atomically:YES]; I receive no errors or warnings but I am assuming the write fails because the path variable has the format of afp://10.0.0.20/username/Desktop. I am connected to the networked share. Do I need to modify the string or take a different approach here? TIA, Ricky.

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• Clang Static Analyzer for xcode for dummies

  - by dubbeat

  Hi, Could somebody please help me get Clang up and running? (I don't have 3.2) I've followed numerous tutorials (basically every link off of this page http://stackoverflow.com/questions/961844/using-clang-static-analyzer-from-within-xcode) but I just cant get it to work! The only thing I've managed to do successfully so far is download clang! Grrrr .... dubbeat smash! Bear in mind I've never written an apple script before. I have clang on my desktop

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• Unexplained Django error. Diagnosis anyone?

  - by colorfulgrayscale

  I have a django project I keep on github. It worked perfectly fine on my laptop. I downloaded it on my desktop and tried to "python manage.py runserver" or even "python manage.py shell" I get a Error: No module named messages No other messages, no stack trace, nothing..Anyone have any idea whats going on? Thanks.

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• Is there a perfect algorithm for chess?

  - by Overflown

  Dear Stack Overflow community, I was recently in a discussion with a non-coder person on the possibilities of chess computers. I'm not well versed in theory, but think I know enough. I argued that there could not exist a deterministic Turing machine that always won or stalemated at chess. I think that, even if you search the entire space of all combinations of player1/2 moves, the single move that the computer decides upon at each step is based on a heuristic. Being based on a heuristic, it does not necessarily beat ALL of the moves that the opponent could do. My friend thought, to the contrary, that a computer would always win or tie if it never made a "mistake" move (however do you define that?). However, being a programmer who has taken CS, I know that even your good choices - given a wise opponent - can force you to make "mistake" moves in the end. Even if you know everything, your next move is greedy in matching a heuristic. Most chess computers try to match a possible end game to the game in progress, which is essentially a dynamic programming traceback. Again, the endgame in question is avoidable though. -- thanks, Allan Edit: Hmm... looks like I ruffled some feathers here. That's good. Thinking about it again, it seems like there is no theoretical problem with solving a finite game like chess. I would argue that chess is a bit more complicated than checkers in that a win is not necessarily by numerical exhaustion of pieces, but by a mate. My original assertion is probably wrong, but then again I think I've pointed out something that is not yet satisfactorily proven (formally). I guess my thought experiment was that whenever a branch in the tree is taken, then the algorithm (or memorized paths) must find a path to a mate (without getting mated) for any possible branch on the opponent moves. After the discussion, I will buy that given more memory than we can possibly dream of, all these paths could be found.

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• How to get screen size on Windows Phone 7 Series?

  - by Igor Zevaka

  How do I programatically get the screen resolution on WP7? Here are a bunch of links that get the same job done in desktop WPF and Silverlight, but none of them work on the phone. Any ideas? http://social.msdn.microsoft.com/Forums/en-US/windowsphone7series/thread/f0639904-a368-44db-9ddd-efcaf8fc736e http://social.msdn.microsoft.com/Forums/en-US/wpf/thread/6b6b832f-0dfd-428c-84cd-b1b9e7f236cf http://stackoverflow.com/questions/254197/how-can-i-get-the-active-screen-dimensions http://social.msdn.microsoft.com/Forums/en-US/windowsphone7series/thread/f0639904-a368-44db-9ddd-efcaf8fc736e

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• Trying to call image on click of linklabel??? get this error??? ne help?

  - by JB

  Error says unrecognized escape sequence Code: public void linkLabel1_LinkClicked(object sender, System.Windows.Forms.LinkLabelLinkClickedEventArgs e) { System.Diagnostics.Process.Start("mspaint~C:\Users\Joshua Banks\Desktop\Downtown_atlanta_night.jpg"); }

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• help with xml parsing using php

  - by fayer

  i've got following example xml: <entity id="1"> <name>computer</name> <type>category</type> <entities> <entity id="2"> <name>mac</name> <type>category</type> </entity> <entity id="3"> <name>linux</name> <type>category</type> <entities> <entity id="4"> <name>ubuntu</name> <type>category</type> </entity> <entity id="5"> <name>redhat</name> <type>category</type> <entities> <entity id="6"> <name>server</name> <type>category</type> </entity> <entity id="7"> <name>desktop</name> <type>category</type> </entity> </entities> </entity> </entities> </entity> </entities> </entity> if i've got an id, lets say 5. is it possible to retrieve the following: the name of the entity with the id=5 (redhat) ALL the child entities and their name and id (server/6 and desktop/7) all the parent entities and their name and id (computer/1, mac/2 and linux/3) im a noob on parsing xml. is this accomplished by xpath only or xquery/xpath? i would appreciate if someone could give me some example code to do this with simplexml. thanks!

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• high load average, high wait, dmesg raid error messages (debian nfs server)

  - by John Stumbles

  Debian 6 on HP proliant (2 CPU) with raid (2*1.5T RAID1 + 2*2T RAID1 joined RAID0 to make 3.5T) running mainly nfs & imapd (plus samba for windows share & local www for previewing web pages); with local ubuntu desktop client mounting $HOME, laptops accessing imap & odd files (e.g. videos) via nfs/smb; boxes connected 100baseT or wifi via home router/switch uname -a Linux prole 2.6.32-5-686 #1 SMP Wed Jan 11 12:29:30 UTC 2012 i686 GNU/Linux Setup has been working for months but prone to intermittently going very slow (user experience on desktop mounting $HOME from server, or laptop playing videos) and now consistently so bad I've had to delve into it to try to find what's wrong(!) Server seems OK at low load e.g. (laptop) client (with $HOME on local disk) connecting to server's imapd and nfs mounting RAID to access 1 file: top shows load ~ 0.1 or less, 0 wait but when (desktop) client mounts $HOME and starts user KDE session (all accessing server) then top shows e.g. top - 13:41:17 up 3:43, 3 users, load average: 9.29, 9.55, 8.27 Tasks: 158 total, 1 running, 157 sleeping, 0 stopped, 0 zombie Cpu(s): 0.4%us, 0.4%sy, 0.0%ni, 49.0%id, 49.7%wa, 0.0%hi, 0.5%si, 0.0%st Mem: 903856k total, 851784k used, 52072k free, 171152k buffers Swap: 0k total, 0k used, 0k free, 476896k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 3935 root 20 0 2456 1088 784 R 2 0.1 0:00.02 top 1 root 20 0 2028 680 584 S 0 0.1 0:01.14 init 2 root 20 0 0 0 0 S 0 0.0 0:00.00 kthreadd 3 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/0 4 root 20 0 0 0 0 S 0 0.0 0:00.12 ksoftirqd/0 5 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/0 6 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/1 7 root 20 0 0 0 0 S 0 0.0 0:00.16 ksoftirqd/1 8 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/1 9 root 20 0 0 0 0 S 0 0.0 0:00.42 events/0 10 root 20 0 0 0 0 S 0 0.0 0:02.26 events/1 11 root 20 0 0 0 0 S 0 0.0 0:00.00 cpuset 12 root 20 0 0 0 0 S 0 0.0 0:00.00 khelper 13 root 20 0 0 0 0 S 0 0.0 0:00.00 netns 14 root 20 0 0 0 0 S 0 0.0 0:00.00 async/mgr 15 root 20 0 0 0 0 S 0 0.0 0:00.00 pm 16 root 20 0 0 0 0 S 0 0.0 0:00.02 sync_supers 17 root 20 0 0 0 0 S 0 0.0 0:00.02 bdi-default 18 root 20 0 0 0 0 S 0 0.0 0:00.00 kintegrityd/0 19 root 20 0 0 0 0 S 0 0.0 0:00.00 kintegrityd/1 20 root 20 0 0 0 0 S 0 0.0 0:00.02 kblockd/0 21 root 20 0 0 0 0 S 0 0.0 0:00.08 kblockd/1 22 root 20 0 0 0 0 S 0 0.0 0:00.00 kacpid 23 root 20 0 0 0 0 S 0 0.0 0:00.00 kacpi_notify 24 root 20 0 0 0 0 S 0 0.0 0:00.00 kacpi_hotplug 25 root 20 0 0 0 0 S 0 0.0 0:00.00 kseriod 28 root 20 0 0 0 0 S 0 0.0 0:04.19 kondemand/0 29 root 20 0 0 0 0 S 0 0.0 0:02.93 kondemand/1 30 root 20 0 0 0 0 S 0 0.0 0:00.00 khungtaskd 31 root 20 0 0 0 0 S 0 0.0 0:00.18 kswapd0 32 root 25 5 0 0 0 S 0 0.0 0:00.00 ksmd 33 root 20 0 0 0 0 S 0 0.0 0:00.00 aio/0 34 root 20 0 0 0 0 S 0 0.0 0:00.00 aio/1 35 root 20 0 0 0 0 S 0 0.0 0:00.00 crypto/0 36 root 20 0 0 0 0 S 0 0.0 0:00.00 crypto/1 203 root 20 0 0 0 0 S 0 0.0 0:00.00 ksuspend_usbd 204 root 20 0 0 0 0 S 0 0.0 0:00.00 khubd 205 root 20 0 0 0 0 S 0 0.0 0:00.00 ata/0 206 root 20 0 0 0 0 S 0 0.0 0:00.00 ata/1 207 root 20 0 0 0 0 S 0 0.0 0:00.14 ata_aux 208 root 20 0 0 0 0 S 0 0.0 0:00.01 scsi_eh_0 dmesg suggests there's a disk problem: .............. (previous episode) [13276.966004] raid1:md0: read error corrected (8 sectors at 489900360 on sdc7) [13276.966043] raid1: sdb7: redirecting sector 489898312 to another mirror [13279.569186] ata4.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 [13279.569211] ata4.00: irq_stat 0x40000008 [13279.569230] ata4.00: failed command: READ FPDMA QUEUED [13279.569257] ata4.00: cmd 60/08:00:00:6a:05/00:00:23:00:00/40 tag 0 ncq 4096 in [13279.569262] res 41/40:00:05:6a:05/00:00:23:00:00/40 Emask 0x409 (media error) <F> [13279.569306] ata4.00: status: { DRDY ERR } [13279.569321] ata4.00: error: { UNC } [13279.575362] ata4.00: configured for UDMA/133 [13279.575388] ata4: EH complete [13283.169224] ata4.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 [13283.169246] ata4.00: irq_stat 0x40000008 [13283.169263] ata4.00: failed command: READ FPDMA QUEUED [13283.169289] ata4.00: cmd 60/08:00:00:6a:05/00:00:23:00:00/40 tag 0 ncq 4096 in [13283.169294] res 41/40:00:07:6a:05/00:00:23:00:00/40 Emask 0x409 (media error) <F> [13283.169331] ata4.00: status: { DRDY ERR } [13283.169345] ata4.00: error: { UNC } [13283.176071] ata4.00: configured for UDMA/133 [13283.176104] ata4: EH complete [13286.224814] ata4.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 [13286.224837] ata4.00: irq_stat 0x40000008 [13286.224853] ata4.00: failed command: READ FPDMA QUEUED [13286.224879] ata4.00: cmd 60/08:00:00:6a:05/00:00:23:00:00/40 tag 0 ncq 4096 in [13286.224884] res 41/40:00:06:6a:05/00:00:23:00:00/40 Emask 0x409 (media error) <F> [13286.224922] ata4.00: status: { DRDY ERR } [13286.224935] ata4.00: error: { UNC } [13286.231277] ata4.00: configured for UDMA/133 [13286.231303] ata4: EH complete [13288.802623] ata4.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 [13288.802646] ata4.00: irq_stat 0x40000008 [13288.802662] ata4.00: failed command: READ FPDMA QUEUED [13288.802688] ata4.00: cmd 60/08:00:00:6a:05/00:00:23:00:00/40 tag 0 ncq 4096 in [13288.802693] res 41/40:00:05:6a:05/00:00:23:00:00/40 Emask 0x409 (media error) <F> [13288.802731] ata4.00: status: { DRDY ERR } [13288.802745] ata4.00: error: { UNC } [13288.808901] ata4.00: configured for UDMA/133 [13288.808927] ata4: EH complete [13291.380430] ata4.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 [13291.380453] ata4.00: irq_stat 0x40000008 [13291.380470] ata4.00: failed command: READ FPDMA QUEUED [13291.380496] ata4.00: cmd 60/08:00:00:6a:05/00:00:23:00:00/40 tag 0 ncq 4096 in [13291.380501] res 41/40:00:05:6a:05/00:00:23:00:00/40 Emask 0x409 (media error) <F> [13291.380577] ata4.00: status: { DRDY ERR } [13291.380594] ata4.00: error: { UNC } [13291.386517] ata4.00: configured for UDMA/133 [13291.386543] ata4: EH complete [13294.347147] ata4.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0 [13294.347169] ata4.00: irq_stat 0x40000008 [13294.347186] ata4.00: failed command: READ FPDMA QUEUED [13294.347211] ata4.00: cmd 60/08:00:00:6a:05/00:00:23:00:00/40 tag 0 ncq 4096 in [13294.347217] res 41/40:00:06:6a:05/00:00:23:00:00/40 Emask 0x409 (media error) <F> [13294.347254] ata4.00: status: { DRDY ERR } [13294.347268] ata4.00: error: { UNC } [13294.353556] ata4.00: configured for UDMA/133 [13294.353583] sd 3:0:0:0: [sdc] Unhandled sense code [13294.353590] sd 3:0:0:0: [sdc] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [13294.353599] sd 3:0:0:0: [sdc] Sense Key : Medium Error [current] [descriptor] [13294.353610] Descriptor sense data with sense descriptors (in hex): [13294.353616] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 [13294.353635] 23 05 6a 06 [13294.353644] sd 3:0:0:0: [sdc] Add. Sense: Unrecovered read error - auto reallocate failed [13294.353657] sd 3:0:0:0: [sdc] CDB: Read(10): 28 00 23 05 6a 00 00 00 08 00 [13294.353675] end_request: I/O error, dev sdc, sector 587557382 [13294.353726] ata4: EH complete [13294.366953] raid1:md0: read error corrected (8 sectors at 489900544 on sdc7) [13294.366992] raid1: sdc7: redirecting sector 489898496 to another mirror and they're happening quite frequently, which I guess is liable to account for the performance problem(?) # dmesg | grep mirror [12433.561822] raid1: sdc7: redirecting sector 489900464 to another mirror [12449.428933] raid1: sdb7: redirecting sector 489900504 to another mirror [12464.807016] raid1: sdb7: redirecting sector 489900512 to another mirror [12480.196222] raid1: sdb7: redirecting sector 489900520 to another mirror [12495.585413] raid1: sdb7: redirecting sector 489900528 to another mirror [12510.974424] raid1: sdb7: redirecting sector 489900536 to another mirror [12526.374933] raid1: sdb7: redirecting sector 489900544 to another mirror [12542.619938] raid1: sdc7: redirecting sector 489900608 to another mirror [12559.431328] raid1: sdc7: redirecting sector 489900616 to another mirror [12576.553866] raid1: sdc7: redirecting sector 489900624 to another mirror [12592.065265] raid1: sdc7: redirecting sector 489900632 to another mirror [12607.621121] raid1: sdc7: redirecting sector 489900640 to another mirror [12623.165856] raid1: sdc7: redirecting sector 489900648 to another mirror [12638.699474] raid1: sdc7: redirecting sector 489900656 to another mirror [12655.610881] raid1: sdc7: redirecting sector 489900664 to another mirror [12672.255617] raid1: sdc7: redirecting sector 489900672 to another mirror [12672.288746] raid1: sdc7: redirecting sector 489900680 to another mirror [12672.332376] raid1: sdc7: redirecting sector 489900688 to another mirror [12672.362935] raid1: sdc7: redirecting sector 489900696 to another mirror [12674.201177] raid1: sdc7: redirecting sector 489900704 to another mirror [12698.045050] raid1: sdc7: redirecting sector 489900712 to another mirror [12698.089309] raid1: sdc7: redirecting sector 489900720 to another mirror [12698.111999] raid1: sdc7: redirecting sector 489900728 to another mirror [12698.134006] raid1: sdc7: redirecting sector 489900736 to another mirror [12719.034376] raid1: sdc7: redirecting sector 489900744 to another mirror [12734.545775] raid1: sdc7: redirecting sector 489900752 to another mirror [12734.590014] raid1: sdc7: redirecting sector 489900760 to another mirror [12734.624050] raid1: sdc7: redirecting sector 489900768 to another mirror [12734.647308] raid1: sdc7: redirecting sector 489900776 to another mirror [12734.664657] raid1: sdc7: redirecting sector 489900784 to another mirror [12734.710642] raid1: sdc7: redirecting sector 489900792 to another mirror [12734.721919] raid1: sdc7: redirecting sector 489900800 to another mirror [12734.744732] raid1: sdc7: redirecting sector 489900808 to another mirror [12734.779330] raid1: sdc7: redirecting sector 489900816 to another mirror [12782.604564] raid1: sdb7: redirecting sector 1242934216 to another mirror [12798.264153] raid1: sdc7: redirecting sector 1242935080 to another mirror [13245.832193] raid1: sdb7: redirecting sector 489898296 to another mirror [13261.376929] raid1: sdb7: redirecting sector 489898304 to another mirror [13276.966043] raid1: sdb7: redirecting sector 489898312 to another mirror [13294.366992] raid1: sdc7: redirecting sector 489898496 to another mirror although the arrays are still running on all disks - they haven't given up on any yet: # cat /proc/mdstat Personalities : [raid1] [raid0] md10 : active raid0 md0[0] md1[1] 3368770048 blocks super 1.2 512k chunks md1 : active raid1 sde2[2] sdd2[1] 1464087824 blocks super 1.2 [2/2] [UU] md0 : active raid1 sdb7[0] sdc7[2] 1904684920 blocks super 1.2 [2/2] [UU] unused devices: <none> So I think I have some idea what the problem is but I am not a linux sysadmin expert by the remotest stretch of the imagination and would really appreciate some clue checking here with my diagnosis and what do I need to do: obviously I need to source another drive for sdc. (I'm guessing I could buy a larger drive if the price is right: I'm thinking that one day I'll need to grow the size of the array and that would be one less drive to replace with a larger one) then use mdadm to fail out the existing sdc, remove it and fit the new drive fdisk the new drive with the same size partition for the array as the old one had use mdadm to add the new drive into the array that sound OK?

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• error C2440: 'initializing' : cannot convert from 'const wchar_t [9]' to 'LPCSTR'

  - by numerical25

  When I add the following to my code. // Define the input layout D3D10_INPUT_ELEMENT_DESC layout[] = { { L"POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D10_INPUT_PER_VERTEX_DATA, 0 }, }; UINT numElements = sizeof(layout)/sizeof(layout[0]); I get the following error 1>c:\users\numerical25\desktop\intro todirectx\msdntutorials\tutorial0\tutorial\tutorial\main.cpp(43) : error C2440: 'initializing' : cannot convert from 'const wchar_t [9]' to 'LPCSTR' The error points straight to that line of code. if i remove the code, everything compiles correctly.

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