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• C# app fails to load Matlab DLL when running from a shared drive?

  - by jg

  I have a C# .NET 2.0 program that calls a Matlab .dll file that I created using Matlab Builder for .NET. This Matlab .dll file is a wrapper for a m file function that I need to call from my C# program. Everything works fine when I run this app from my local drive. However once I copy the app to a shared drive the Matlab dll fails when it's first loaded. I setup caspol to allow .NET programs to run from shared drives. Does anyone know what could cause this problem or a tool that I could use to easily figure out what the problem is? Thanks.

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• Alpha-Beta cutoff

  - by Becky

  I understand the basics of this search, however the beta cut-off part is confusing me, when beta <= value of alphabeta I can either return beta, break, or continue the loop. return beta doesn't seem to work properly at all, it returns the wrong players move for a different state of the board (further into the search tree) break seems to work correctly, it is very fast but it seems a bit TOO fast continue is a lot slower than break but it seems more correct...I'm guessing this is the right way but pseudocode on google all use 'break' but because this is pseudocode I'm not sure what they mean by 'break'

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• How to insert a child node in a TreeView Control in WPF?

  - by xarzu

  I have a TreeView control that I have created in XAML in a WPF program After adding a couple nodes at the root level, I have written code that loops through the tree structure like so: ItemCollection items = treeView1.Items; foreach (TreeViewItem n in items) { ... } Once I find the place in this loop where I want to include a child node, how do I go about inserting a child?

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• How to update multiple rows with one single query

  - by xRobot

  I use Postgresql + PHP. Say I have this table: Books ( id, title, year ) and this array of titles in PHP: $titles = array ("bible","kafka","Book of Eli"); now I want update all rows where the title is in the $titles array above. So I need a query like this: UPDATE books SET year = '2001-11-11' WHERE title is in $titles; Is is possible with one single query ? Or do I need to use FOR loop ?

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• Multiple classes in Codeigniter

  - by Leon

  I want to create an array of objects, so what I did was to create a library but I can't figure out how to actually dynamically create instances of it in a loop and store each instance in an array. Can anyone tell me please?

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• What does SQL Server trace flag 253 do?

  - by kamens

  In another question I was trying to research how to control SQL Server's query plan caches: http://stackoverflow.com/questions/2593749/is-there-an-equivalent-of-optionrecompile-or-with-recompile-for-an-entire-c ...and I found trace flag 253 via this article: http://www.sqlservercentral.com/Forums/Topic837613-146-1.aspx The article is correct, if I run DBCC TRACEON(253) and then a number of queries, I can manually check the query plan cache and see that plans have not been inserted. If I run DBCC TRACEOFF(253), query plans are cached as normal. So my question is...what else does this flag do? Does anybody know the official story?

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• MDX Filter a dimention with another dimension

  - by John Hartsock

  To all excuse my ignorance, but im new to MDX below is the query im trying to run SELECT NON EMPTY { [Measures].[Task Burn Down] } ON COLUMNS, NON EMPTY { ([Calendar].[Date].[Date].ALLMEMBERS * [Priority].[Priority Code].[Priority Code].ALLMEMBERS ) } DIMENSION PROPERTIES MEMBER_CAPTION, MEMBER_UNIQUE_NAME ON ROWS FROM ( SELECT ( { Filter([Calendar].[Date].AllMembers, [Calendar].[Date].CurrentMember <= [Sprint].[Sprint].CurrentMember.Properties("Stop Date")) } ) ON COLUMNS FROM ( SELECT ( { [Sprint].[Sprint].AllMembers } ) ON COLUMNS FROM ( SELECT ( { [Team].[Team].AllMembers } ) ON COLUMNS FROM [Backlog2] ) ) ) WHERE ( [Team].[Team].&[27], [Sprint].[Sprint].&[9] ) CELL PROPERTIES VALUE, BACK_COLOR, FORE_COLOR, FORMATTED_VALUE, FORMAT_STRING, FONT_NAME, FONT_SIZE, FONT_FLAGS When I run this I expect to get 1 value for [Measures].[Task Burn Down] for each day of the month. But I only want one month. My Sprint dimension has a stop date and I do not want to return any values after the stop date. What am I doing wrong?

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• Visual Basic .NET Help

  - by Daniel

  How can I get this code into a loop? contact.first_name = list.Item(0) contact.middle_name = list.Item(1) contact.last_name = list.Item(2) contact.age = list.Item(3) contact.mobile_phone = list.Item(4) contact.home_phone = list.Item(5) contact.work_phone = list.Item(6) contact.home_street = list.Item(7) contact.home_city = list.Item(8) contact.home_state = list.Item(9) contact.home_zip = list.Item(10) contact.work_street = list.Item(11) contact.work_city = list.Item(12) contact.work_state = list.Item(13) contact.work_zip = list.Item(14)

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• scala actor message definition

  - by BenZen

  Do i need to define class for message i want to retrieve on a scala actor? i trying to get this up where am i wrong def act() { loop { react { case Meet = foundMeet = true ; goHome case Feromone(qty) if (foundMeet == true) = sender ! Feromone(qty+1); goHome }}}

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• Testing complex entities

  - by Carlos

  I've got a C# form, with various controls on it. The form controls an ongoing process, and there are many, many aspects that need to be right for the program to run correctly. Each part can be unit tested (for instance, loading some coefficients, drawing some diagnostics) but I often run into problems that are best described with an example: "If I click here, then here, then change this, then re-open the form, then click here, it crashes or produces an error" I've tried my best to use common code organisational ideas (inheritance, DRY, separation of concerns) but there never seems to be a way to test every single path, and inevitably, a form with several controls will have a huge number of ways to execute. What can I read (preferably online) that addresses this kind of issue, and is there a (non-generic) term for it. This isn't a specific problem I'm having, but one that creeps up on me, especially with WinForms.

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• GraphicsDevice is null in my XNA Windows Game project

  - by indyK1ng

  Hello All, I have just started trying to make a simple game with XNA 3.1 to help myself learn C# and XNA. I have run into a bit of an interesting problem, however. In all of the tutorials, one is supposed to pass GraphicsDevice when instantiating a new spriteBatch object like this: spriteBatch = new SpriteBatch(GraphicsDevice); One might even do this: GraphicsDevice objGraphics = new graphics.GraphicsDevice; spriteBatch = new SpriteBatch(objGraphics); where graphics is the GraphicsDeviceManager. However, no matter which version I try, I always get an ArgumentNullException when I try to pass the GraphicsDevice object to spriteBatch's constructor. Almost every tutorial I have found gives the first one and only one mentioned the second option. Has anyone else run into a similar error or know what could be causing this? I am working in Windows 7 x64 with Visual Studio 2008.

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• PHP - How to modify multi-dimensional array item from within a function?

  - by Marc

  My problem is as follows. I have a multidimensional array. I declare my array. Then, I run some code that populates my array partially. Then i run a function, which among others is supposed to modify some item in my array from within the function. This is unfortunately not working. So my question is simple. Is it normal? And if yes, how can I overcome this. Thank you very much in advance for your replies. Cheers. Marc. $list = array([0]=> array( [name]=>'James' [group]=>'' ) ); my_function(); print_r($list); function my_function(){ //some code here $list[0]['group'] = 'groupA'; }

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• Ant ignores attempt to override the LANG environment variable

  - by Steen

  We need to test a java build with the languages set to different values. I can manually (i.e. via export LANG=en_DK.UTF-8 and export LANG=en_DK) test that the unit tests run with the ant build script behaves differently, but I need to set the environment variable from ant. I have tried setting it using these methods (with the shell $LANG set to en_DK.UTF-8): using -D on the command line: ant -DLANG=en_DK using a build.properties file with the line LANG=en_DK in it using the following statements in the build.xml file (sorry for the formatting, I can't get SO to display it otherwise): : <property environment="ANTENV"/> <property name="ANTENV.LANG" value="en_DK"/> Using any of the three possibilities, and when run with -debug, ant reports that: Override ignored for property "LANG" What can I do to set the LANG environment variable from within ant?

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• VSTS 2008 Load testing, Is it any good?

  - by anshu

  I have already spent couple of weeks trying to use this tool to generate some webtest and load test. But every day it throws a weird problem for which I do not find anything in document. examples: Hidden variables (_lastfocus) not found in the context error. Today, all of sudden it is now refusing to run some of the webtest which are part of the test mix in my load test run (is working fine with another load test). Are enterprise level, expensive tools are only good? (like loadrunner, silkperformer etc).

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• Git fatal: remote end hung up

  - by Bill

  So I thought I had finally got everything setup on Windows ... then ran into this issue. Current setup URL: ssh://user@host:port/myapp.git Already run Putty - and can connect using valid .ppk keys through the ~/.ssh/authorized_keys direct. In Git and TortoiseGIT - I set both to use "plink.exe". Putty works fine - no issues - but when I run that URL into bash I get for a git clone (url) fatal: the remote end hung up expectedly In a cygwin bash terminal - running "ssh user@host" - works no probs at all. Anyone suggest anything?

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• Android draw using SurfaceView and Thread

  - by Morten Høgseth

  I am trying to draw a ball to my screen using 3 classes. I have read a little about this and I found a code snippet that works using the 3 classes on one page, Playing with graphics in Android I altered the code so that I have a ball that is moving and shifts direction when hitting the wall like the picture below (this is using the code in the link). Now I like to separate the classes into 3 different pages for not making everything so crowded, everything is set up the same way. Here are the 3 classes I have. BallActivity.java Ball.java BallThread.java package com.brick.breaker; import android.app.Activity; import android.os.Bundle; import android.view.Window; import android.view.WindowManager; public class BallActivity extends Activity { private Ball ball; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN); ball = new Ball(this); setContentView(ball); } @Override protected void onPause() { // TODO Auto-generated method stub super.onPause(); setContentView(null); ball = null; finish(); } } package com.brick.breaker; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.view.SurfaceHolder; import android.view.SurfaceView; public class Ball extends SurfaceView implements SurfaceHolder.Callback { private BallThread ballThread = null; private Bitmap bitmap; private float x, y; private float vx, vy; public Ball(Context context) { super(context); // TODO Auto-generated constructor stub bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.ball); x = 50.0f; y = 50.0f; vx = 10.0f; vy = 10.0f; getHolder().addCallback(this); ballThread = new BallThread(getHolder(), this); } protected void onDraw(Canvas canvas) { update(canvas); canvas.drawBitmap(bitmap, x, y, null); } public void update(Canvas canvas) { checkCollisions(canvas); x += vx; y += vy; } public void checkCollisions(Canvas canvas) { if(x - vx < 0) { vx = Math.abs(vx); } else if(x + vx > canvas.getWidth() - getBitmapWidth()) { vx = -Math.abs(vx); } if(y - vy < 0) { vy = Math.abs(vy); } else if(y + vy > canvas.getHeight() - getBitmapHeight()) { vy = -Math.abs(vy); } } public int getBitmapWidth() { if(bitmap != null) { return bitmap.getWidth(); } else { return 0; } } public int getBitmapHeight() { if(bitmap != null) { return bitmap.getHeight(); } else { return 0; } } public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { // TODO Auto-generated method stub } public void surfaceCreated(SurfaceHolder holder) { // TODO Auto-generated method stub ballThread.setRunnable(true); ballThread.start(); } public void surfaceDestroyed(SurfaceHolder holder) { // TODO Auto-generated method stub boolean retry = true; ballThread.setRunnable(false); while(retry) { try { ballThread.join(); retry = false; } catch(InterruptedException ie) { //Try again and again and again } break; } ballThread = null; } } package com.brick.breaker; import android.graphics.Canvas; import android.view.SurfaceHolder; public class BallThread extends Thread { private SurfaceHolder sh; private Ball ball; private Canvas canvas; private boolean run = false; public BallThread(SurfaceHolder _holder,Ball _ball) { sh = _holder; ball = _ball; } public void setRunnable(boolean _run) { run = _run; } public void run() { while(run) { canvas = null; try { canvas = sh.lockCanvas(null); synchronized(sh) { ball.onDraw(canvas); } } finally { if(canvas != null) { sh.unlockCanvasAndPost(canvas); } } } } public Canvas getCanvas() { if(canvas != null) { return canvas; } else { return null; } } } Here is a picture that shows the outcome of these classes. I've tried to figure this out but since I am pretty new to Android development I thought I could ask for help. Does any one know what is causing the ball to be draw like that? The code is pretty much the same as the one in the link and I have tried to experiment to find a solution but no luck. Thx in advance for any help=)

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• Reading HTTP server push streams with Python

  - by Sam

  I'm playing around trying to write a client for a site which provides data as an HTTP stream (aka HTTP server push). However, urllib2.urlopen() grabs the stream in its current state and then closes the connection. I tried skipping urllib2 and using httplib directly, but this seems to have the same behaviour. Is there a way to get the stream to stay open, so it can be checked each program loop for new contents, rather than waiting for the whole thing to be redownloaded every few seconds, introducing lag?

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• keeping xmphp bot always online

  - by Gunjan

  I created a simple xmpp bot in PHP which connects to google talk server. I basically modified the cli_longrun example. When I run the script in browser the bot comes online and stays online for a while even after I close the tab on which the script was running (as it is just an infinite loop listening for events on the stream). But after a while the bot becomes offline. The question is how do I keep the bot always online. One way I can think of is to run a cron that would disconnect the earlier one and start a new session. But is there a better approch?

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• Automating Visual Studio 2010 from a console app

  - by JoelFan

  I am trying to run the following code (which I got from here). The code just creates a new "Output" pane in Visual Studio and writes a few lines to it. Public Sub WriteToMyNewPane() Dim win As Window = _ DTE.Windows.Item(EnvDTE.Constants.vsWindowKindOutput) Dim ow As OutputWindow = win.Object Dim owPane As OutputWindowPane Dim cnt As Integer = ow.OutputWindowPanes.Count owPane = ow.OutputWindowPanes.Add("My New Output Pane") owPane.Activate() owPane.OutputString("My text1" & vbCrLf) owPane.OutputString("My text2" & vbCrLf) owPane.OutputString("My text3" & vbCrLf) End Sub Instead of running it as a Macro, I want to run it as an independent console application that connects to a currently running instance of Visual Studio 2010. I'm having a hard time figuring out how to set the value of DTE. I think I may need to call GetActiveObject, but I'm not sure how. Any pointers?

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• User Mode Linux - Installing a module error

  - by Zach

  I am trying to run 'make' on a module in User Mode Linux to install a simple makefile. Here is my make file: obj-m := hello.o KDIR := /lib/modules/$(shell uname -r)/build PWD := $(shell pwd) default: $(MAKE) -C $(KDIR) SUBDIRS=$(PWD) modules When I run this in User Mode Linux I get the following error: make[1]: Entering directory /lib/modules/2.6.28/build' make[1]: *** No rule to make targetmodules'. Stop. make[1]: Leaving directory `/lib/modules/2.6.28/build' make: * [default] Error 2 The problem is that no files are present under /lib/modules/. There's no directory for 2.6.28 or build. From what I've read, these should be symlinks to /usr/src, but under /usr/src, I don't see any files under that either.

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• How to rebuild openssh 5.2p1 after changing configure.ac

  - by Arthur Ulfeldt

  I needed to add AM_PATH_CHECK to configure.am I then try to run the usual sequence of autotools commands to rebuild all the makefiles and whatnot: aclocal automake -ac autoheader autoreconf ./configure make and here my lack of understanding of autotools showes up because this release of openssh has no Makefile.am??? now what do I do? if i try to ignore this and build anyway configure dies with this lovely error: checking whether OpenSSL's PRNG is internally seeded... yes ./configure: line 18275: syntax error near unexpected token `PROG_LS,' ./configure: line 18275: `OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)' caused by this line in configure.ac: OSSH_PATH_ENTROPY_PROG(PROG_LS, ls) Is this actually caused by my changes to configure.ac? what can I do to regenerate the required files to allow configure to work? if i take my changes out and dont run aclocal then it works???

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• How to call ejabberdctl from PHP (Apache)

  - by Adil

  Hi, I am trying to call ejabberdctl from PHP but i keep getting an error code of 3 (Failed RPC connection to the node ejabberd@localhost: nodedown). My PHP script contains the following code to add friends : exec('sudo /opt/ejabberd-2.1.2/bin/ejabberdctl add_rosteritem adil.baig40122310029739 godudu.com chburaska0822431111022397 godudu.com chburaska0822431111022397 Friends both', $output, $retCode); exec('sudo /opt/ejabberd-2.1.2/bin/ejabberdctl add_rosteritem chburaska0822431111022397 godudu.com adil.baig40122310029739 godudu.com adil.baig40122310029739 Friends both', $output, $retCode); I have also added ejabberdctl to /etc/sudoers like so : # Custom entry for ejabberdctl, so it can be used via PHP www-data ALL= NOPASSWD: /opt/ejabberd-2.1.2/bin/ejabberdctl I have also added the ejabberd bin directory to /etc/environment, like so : PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/opt/ejabberd-2.1.2/bin" source /etc/environment Everytime i run the PHP script $retCode (the exec return code) returns 3, but if i run the same php file from the command line it works. Help!

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• How do I build mDNSResponder?

  - by Alex

  I have tried checking out the mDNSResponder source from Apple's SVN host, with the thought of compiling it and tweaking it. This failed miserably. Here is the last line of the output of cd trunk SRCROOT=. make I get the same error for several tags in the SVN tree, so I'm not sure if there is something on my end wrong? The following build commands failed: mDNSResponder: CompileC mDNSResponder.build/mDNSResponder.build/Objects-normal/i386/mDNSMacOSX.o /Users/myname/Desktop/mDNSResponder/trunk/mDNSMacOSX/mDNSMacOSX.c normal i386 c com.apple.compilers.gcc.4_2 PhaseScriptExecution "Run Script" /Users/myname/Desktop/mDNSResponder/trunk/mDNSMacOSX/mDNSResponder.build/mDNSResponder.build/Script-D284BE6C0ADD80740027CCDF.sh mDNSResponder debug: CompileC "mDNSResponder.build/mDNSResponder debug.build/Objects-normal/i386/mDNSMacOSX.o" /Users/myname/Desktop/mDNSResponder/trunk/mDNSMacOSX/mDNSMacOSX.c normal i386 c com.apple.compilers.gcc.4_2 Build Some: PhaseScriptExecution "Run Script" "/Users/myname/Desktop/mDNSResponder/trunk/mDNSMacOSX/mDNSResponder.build/Development/Build Some.build/Script-FF045B6A0C7E4AA600448140.sh" (4 failures)

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• Why is my GetNextChar() in my DecoderFallbackBuffer Specialization Repeatedly Getting Called?

  - by Canoehead

  I need to produce my own DecoderFallback and DecoderFallbackBuffer classes to implement some custom stream decoding. I have found that the stream reader making use of it is calling GetNextChar() repeatedly even when my specilizaed DecoderFallbackBuffer.Remaining property returns 0 to indicate that there no more characters to return. The end result is that the stream reader gets into an infinite loop. Why is this happening?

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• Debug C# Windows Service

  - by Goober

  Scenario I've got a windows service written in C#. I've read all the google threads on how to debug it, but I still can't get it to work. I've run "PathTo.NetFramework\InstallUtil.exe C:\MyService.exe"........It said the install was successful, however when I run "Services.msc", The service isn't displayed at all, anywhere. If I go into Task Manager, there is a process called "MyService.vshost.exe".....pretty sure that's not it, because it's a service, not a process........Any suggestions and/or help? Greatly appreciated. Other I'm running VS2008.

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