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• Setting up boost filesystem

  - by brit

  I've been having serious problems trying to set up boost. I must have installed and uninstalled the libraries a dozen times. In my most recent attempt, I followed these instructions: Download the zip and unzip it. Get the prebuilt jam executable and unzip it. Put that directory in your path. (Edit Path by using Control Panel...System..Advanced....Environemnt Variables) Open Visual Studio command prompt. Browse to boost directory. Run: bjam "-sTOOLS=vc-8_0" install The main reason I'm trying to use boost is for boost/filesystem yet nothing is working. I know this question has been asked before, but it only resulted in more errors.. Please Help!

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• Drawing a continuous rectangle

  - by JAYMIN

  Hi..i m currently working on visual c++ 2008 express edition.. in my project i have a picturebox which contains an image, now i have to draw a rectangle to enaable the user to select a part of the image.. I have used the "MouseDown" event of the picturebox and the below code to draw a rectangle: Void pictureBox1_MouseDown(System::Object^ sender, Windows::Forms::MouseEventArgs^ e) { Graphics^ g = pictureBox1-CreateGraphics(); Pen^ pen = gcnew Pen(Color::Blue); g-DrawRectangle( pen , e-X ,e-Y,width,ht); } now in the "DrawRectangle" the arguments "width" and "ht" are static, so the above code results in the drawing of a rectangle at the point where the user presses the mouse button on the image in picturebox... i want to allow the user to be able to drag the cursor and draw a rectangle of size that he wishes to.. Plz help me on this.. Thanx..

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• How to remove a tab attribute in ASP .NET AJAX Toolkit using Regular Expression

  - by Nassign

  I have tried to remove the following tag generated by the AJAX Control toolkit. The scenario is our GUI team used the AJAX control toolkit to make the GUI but I need to move them to normal ASP .NET view tag using MultiView. I want to remove all the __designer: attributes Here is the code <asp:TextBox ID="a" runat="server" __designer:wfdid="w540" /> <asp:DropdownList ID="a" runat="server" __designer:wfdid="w541" /> ..... <asp:DropdownList ID="a" runat="server" __designer:wfdid="w786" /> I tried to use the regular expression find replace in Visual Studio using: Find: :__designer\:wfdid="w{([0-9]+)}" Replace with empty space Can any regular expression expert help?

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• Getting "Object is read only" error when setting ClientCredentials in WCF

  - by Paul Mrozowski

  I have a proxy object generated by Visual Studio (client side) named ServerClient. I am attempting to set ClientCredentials.UserName.UserName/Password before opening up a new connection using this code: InstanceContext context = new InstanceContext(this); m_client = new ServerClient(context); m_client.ClientCredentials.UserName.UserName = "Sample"; As soon as the code hits the UserName line it fails with an "Object is read-only" error. I know this can happen if the connection is already open or faulted, but at this point I haven't called context.Open() yet. I have configured the Bindings (which uses netTcpBinding) to use Message as it's security mode, and MessageClientCredentialType is set to UserName. Any ideas?

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• My code works in Debug mode, but not in Release mode.

  - by Nima

  Hi, I have a code in Visual Studio 2008 in C++ that works with files just by fopen and fclose. Everything works perfect in Debug mode. and I have tested with several datasets. But it doesn't work in release mode. It crashes all the time. I have turned off all the optimizations, also there is no dependency to anything(in the linker), and also I have set these: Optimization: Disabled(/Od) Keep Unreferenced Data. Do Not Remove Redundant Optimize for Windows98: NO I still keep wondering how it should not work under these circumstances. What else should I turn off to let it works as in debug mode? I think if it works in release mode but not in debug mode, it might be a coding fault but the other way looks weird. isn't it? I appreciate any help. --Nima

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• C1083 : Permission denied on .sbr files

  - by speps

  Hello, I am using Visual Studio 2005 (with SP1) and I am getting weird errors concerning .sbr files. These files, as I read on MSDN, are intermediate files for BSCMAKE to generate a .bsc file. The errors I get are, for example (on different builds) : 11string.cpp : fatal error C1083: Impossible d'ouvrir le fichier généré(e) par le compilateur : '.\debug\String.sbr' : Permission denied 58type.cpp : fatal error C1083: Impossible d'ouvrir le fichier généré(e) par le compilateur : '.\Debug/Type.sbr' : Permission denied Translation : cannot open compiler intermediate file It seems to be consistent (I have at least 5 or 6 examples like this) with a .cpp file being compiled twice in the same project, respectively : 11String.cpp *some warnings, 2 lines* 11String.cpp 58Type.cpp *some warnings and other files compiled, a lot of lines* 58Type.cpp I already checked the .vcproj files for duplicate entries and it does not seem to be the problem. I would appreciate any help regarding this issue. Deactivating the build of .bsc files seems to be a workaround but maybe someone has better information than this. Thanks.

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• How to capture actions taken on Windows Media Player

  - by bluenile

  Hi, I want to programmtically detect the state of movie currently being played in Windows Media Player. i..e if the movie is maximized I need to find that it is maximized and put the word "MAXIMIZED" in text file, if the movie is paused I need to capture PAUSED in text file, if movie is stopped I need to capture STOPPED in text file. The capturing needs to happen in the background i.e. totally transparent to end user as the user takes action while watching the movie on Windows Media player I am planning to achieve this using Visual Basic 6.0 Kindly provide me inputs / pointers on how to go about this. Thanks

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• Boost 1.4.0, "assert" identifier not found

  - by Adam Haile

  I'm trying to compile an old project that was originally written for linux on windows. It uses boost 1.4.0, and whenever I compile it throws error C3961: "assert" : identifier not found. I'm using Visual Studio 208 SP1 When I drill down into assert.hpp it includes this: # include <assert.h> // .h to support old libraries w/o <cassert> - effect is the same # define BOOST_ASSERT(expr) assert(expr) BOOST_ASSERT is actually what's failing, and VS doesn't seem to recognize assert() even though assert.h is obviously included. As far as I can tell, all the fails are in files that are part of boost, not my own code, but it throws about 1200 of them. Any ideas how to fix this?

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• How to change *.ico for button in running mode?

  - by karikari

  I am currently doing visual c++ for an Internet Explorer toolbar button. I have a registration script file (*.rgs) that defines or maybe register the features of my button inside the Windows registry. My objective is, I want my button to change its *.ico image, based on certain conditions process from my *.cpp file. My problem is, I don't understand, how can I somehow change the *.ico file for my button in real time, during my application is running? For example, IF f = 1, ico_file = green.ico; ELSE ico_file = red.ico; Any idea, that you guys can point to me, how can I change the *.ico file for my Internet Explorer toolbar button while the IE is running.

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• Click Once doesn't create StartMenu entry and Shortcut on Windows 7 x64

  - by MadBoy

  I've application that I deploy to share with ClickOnce so other users can install it and use it on their own machines. It worked fine till i noticed that when i install this app on my own machine (Windows 7 x 64) it doesn't add StartMenu (even thou it installs correctly and I have it in Control Panel / Programs). I didn't had that problem when my development machine was Windows XP. Application also deploys fine on other Windows XP computers. Also during installation (when i rerun setup) even thou I already have Net Framework 3.5 it always wants to install one (it starts that and terminates few seconds later - probably installer sees that it's already there). I can run application straigit from share just a bit of pain to do it. Are there some special settings I should do? Or some patches? I have Visual Studio 2008 and system with all optional updates installed. Application is written in C# and uses NET 3.5.

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• What is the most efficient way to find missing semicolons in VS with C++?

  - by Dr. Monkey

  What are the best strategies for finding that missing semicolon that's causing the error? Are there automated tools that might help. I'm currently using Visual Studio 2008, but general strategies for any environment would be interesting and more broadly useful. Background: Presently I have a particularly elusive missing semicolon (or brace) in a C++ program that is causing a C2143 error. My header file dependencies are fairly straightforward, but still I can't seem to find the problem. Rather than post my code and play Where's Wally (or Waldo, depending on where you're from) I thought it would be more useful to get some good strategies that can be applied in this and similar situations. As a side-question: the C2143 error is showing up in the first line of the first method declaration (i.e. the method's return type) in a .cpp file that includes only its associated .h file. Would anything other than semicolons or braces lead to this behaviour?

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• /clr option in c++

  - by muhammad-aslam

  hello friendzz plz give me a solution for this error "fatal error C1190: managed targeted code requires a '/clr' option" HOw can i resolve this problem?? My configuration is .. Visual studio 2008 windows 7 Here is the code (i got by using net resources) using using namespace System; using namespace System::IO; int main() { // Create a reference to the current directory. DirectoryInfo* di = new DirectoryInfo(Environment::CurrentDirectory); // Create an array representing the files in the current directory. FileInfo* fi[] = di-GetFiles(); Console::WriteLine(S"The following files exist in the current directory:"); // Print out the names of the files in the current directory. Collections::IEnumerator* myEnum = fi-GetEnumerator(); while (myEnum-MoveNext()) { FileInfo* fiTemp = __try_cast(myEnum-Current); Console::WriteLine(fiTemp-Name); } } PLZZZZZZZZ

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• How to debug and detect hang issue

  - by igor

  I am testing my application (Windows 7, WinForms, Infragistics controls, C#, .Net 3.5). I have two monitors and my application saves and restores forms' position on the first or second monitors. So I physically switched off second monitor and disabled it at Screen Resolution on the windows display settings form. I need to know it is possible for my application to restore windows positions (for those windows that were saved on the second monitor) to the first one. I switched off second monitor and press Detect to apply hardware changes. Then Windows switched OFF the first monitor for a few seconds to apply new settings. When the first monitor screen came back, my application became unresponsive. My application was launched in debug mode, so I tried to navigate via stack and threads (Visual Studio 2008), paused application, started and did not find any thing that help me to understand why my application is not responsive. Could somebody help my how to detect the source of issue.

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• VSS: How do I recover from "File <foo> has been destroyed, and cannot be rebuilt."?

  - by Eniac

  We're running Visual SourceSafe 6.0 (build 8163). In one project, there's an old label I want to do a Get on, but a few files have been added and destroyed since that label was created. Now everytime I try to do a Get on the label - for each destroyed file - I get the warning "File has been destroyed and cannot be rebuilt, do you want to continue?", (which seems completely stupid, since the destroyed files never existed before the label was set). I've tried adding files with the same name, but that didn't help. I also tried deleting (not destroying) those added files, but that didn't help either. I really want to be rid of the warning, since the home-cooked building app we use to build all the projects doesn't handle this error/warning, and hence can't Get the label requested and build that project. Help! (and no, running VSS is not by choice, trust me, I was hoping never to see it again after the first time I was forced to use it, which was ten years ago)

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• Assignments failing

  - by Andrei Krotkov

  I'm debugging part of a large project in Visual Studio 2005, and stepping through the code line by line. int speed = this->values.speed; int ref = this->values.ref_speed; After stepping past the first line, values.speed has a value of 61, but for some reason, speed is getting assigned the value 58. After the second line, values.ref_speed has a value of 58, but ref gets assigned the value 30. When paused, you can see that the original values are in fact 61 and 58 respectively, but the values getting stored are different. What is causing this behaviour?

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• Matching tag in HTML keyboard shortcut

  - by kape123

  Is there a shortcut in Visual Studio (2008) that will allow me to jump to matching HTML tag... as CTRL+] does for matching braces when you are in code view? Example: <table> <tr> <td> </td> </tr> </table|> Cursor is on closing table tag and I would like to press something like CTRL+] to jump to opening table tag. Any ideas?

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• jQuery AJAX converting variable string to html styled text

  - by sadmicrowave

  I've got an AJAX transmission of a variable string in my primary coding language (Visual FoxPro 9) that looks like this: AjaxResponse = CREATEOBJECT("Custom") lcMessage = "<li class='hello'>Hello</li>" AjaxResponse.AddProperty("Reply", lcMessage) Response.ContentType = "text/html" Response.Write(AjaxResponse.Reply) While using the jQuery function .ajax() I've created a success: function that looks like this: $.ajax({ url: 'index?Proc=GetUuserHistory', dataType: "html", success: function(data){ $("div#history-text").text(data); }; }); My problem is that the text inserting into 'div#history-text' is unformatted and contains the li tags still. I've tried substituting the .text for .prepend, .append, and .html with no luck...is there a way to convert this string back to html format after its been received using Ajax?

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• DeprecationWarning when pushing to Mercurial repo

  - by Josh Nankin

  I'm trying to serve a merurial repository with apache, and when I try to push to the repo I see this in the apache error.log. On the client side I get a 500 error. How do I get this to go away???? [Sun Jun 06 14:43:25 2010] [error] [client 192.168.1.8] /var/lib/python-support/python2.6/mercurial/hgweb/common.py:24: DeprecationWarning: BaseException.message has been deprecated as of Python 2.6 [Sun Jun 06 14:43:25 2010] [error] [client 192.168.1.8] self.message = message [Sun Jun 06 14:43:25 2010] [error] [client 192.168.1.8] /var/lib/python-support/python2.6/mercurial/hgweb/hgweb_mod.py:104: DeprecationWarning: BaseException.message has been deprecated as of Python 2.6 [Sun Jun 06 14:43:25 2010] [error] [client 192.168.1.8] if not inst.message: [Sun Jun 06 14:43:25 2010] [error] [client 192.168.1.8] /var/lib/python-support/python2.6/mercurial/hgweb/hgweb_mod.py:106: DeprecationWarning: BaseException.message has been deprecated as of Python 2.6 [Sun Jun 06 14:43:25 2010] [error] [client 192.168.1.8] return '0\\n%s\\n' % inst.message,

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• Using Accelerometer in Wiimote for Physics Practicals

  - by Omar

  I have to develop some software in my school to utilize the accelerometer in the Wiimote for recording data from experiments, for example finding the acceleration and velocity of a moving object. I understand how the accelerometer values will be used but I am sort of stuck on the programming front. There is a set of things that I would like to do: Live streaming of data from the Wiimote via bluetooth Use the accelerometer values to find velocity and displacment via integration Plot a set of results Avoid the use of the infrared sensor on the Wiimote Please can anyone give me their thoughts on how to go about this. Also it would be great if people could direct me to existing projects that utizlise the wiimote. Also can someone suggest what would be the best programming language to use for this. My current bet is on using Visual basic. Any sort of help is greatly appretiated.

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• Where can I define Conditional compilation constants for Delphi Prism?

  - by Martijn

  I've just ported a Web service from Delphi.NET 2006 to Delphi Prism 2009 (running in the Visual Studio 2008 IDE). But I can't find where I'm supposed to set (or unset) the conditional compilation constants! Am I blind, has this option been left out, or is it just not supported in VS? [edit: thanks to Mohammed Nasman for the link] MSDN tells me to set them using the Project Designer. First, it took me a while to figure out that the Project menu is only visible when the Solution is selected (and not the web service project). Then, there's still no way to set conditional compilation constants in the Project Designer! I just can't find a way to get to the Project Options in an ASP.NET project... Is it really not possible?

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• How to build a data flow?

  - by salvationishere

  I am running Visual Studio 2008, the SSIS Tutorial described on: http://msdn.microsoft.com/en-us/library/ms167106.aspx I finished all of the tasks but am getting following errors: Error 1 Validation error. Extract Sample Currency Data: Extract Sample Currency Data: input column "CurrencyAlternateKey" (123) has lineage ID 55 that was not previously used in the Data Flow task. Lesson 1.dtsx 0 0 Error 2 Validation error. Extract Sample Currency Data SSIS.Pipeline: input column "CurrencyAlternateKey" (123) has lineage ID 55 that was not previously used in the Data Flow task. Lesson 1.dtsx 0 0 Can you tell what I need to do to make this build without errors?

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• .NET AxWebBrowser can't open page "Navigation to the webpage was canceled" error

  - by Erdnod

  Oh, I am stuck again on this quiet annoying problem. I am trying to do a little automated browsing using the axWebBrowser component and it worked before. Now all of a sudden I get the following message when I try to browse to a page. Navigation to the webpage was canceled What you can try: Refresh the page. I totally disabled my firewall, ran VS2008 in Administrator mode, I even installed IE8 all to no avail. By the way IE8 doesn't work either. I don't know if the problem is related but all I get when I put a URL into IE8 is this message. Internet Explorer cannot display the webpage I don't so much mind that, I just really need to get my visual studio axWebBrowser working.

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• How to build a C++ Dll wrapper that catches all exceptions?

  - by bart de vries

  Like the title says, we’re looking for a way to catch all exceptions from a piece of C++ code, and wrap this in a dll. This way we can shield of the application that uses this dll, from any errors occurring in this dll. However, this does not seem possible with C++ under Windows. Example: void function() { try { std::list<int>::iterator fd_it; fd_it++; } catch(...) {} } The exception that occurs is not caught by the standard C++ try/catch block, nor by any SEH translator function set by _set_se_translator(). Instead, the DLL crashes, and the program that uses the DLL is aborted. We compiled with Visual C++ 2005, with the option /SHa. Does anyone know if it’s possible in C++/Win32 to catch these kind of problems and make a rocksolid DLL wrapper?

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• Is there a tool to navigate targets and properties 's definition?

  - by Nam Gi VU

  I'm working on a bundle of MSBuild script files and many many times I have the need of locating the definition of a called target or a property being used. At the moment, I have to search to the target/property 's name text and view the file containing that text - only then I can read the definition of the target/property I'm looking for. This remind me of the feature of class/variable navigation of Visual Studio: we can choose "Go to definition" or "Find references" when select a class name or a variable. Is there a similar way to work with MSBuild target/property/item? Hope to hear from all of you! Nam.

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• Browser displays page without styles for a short moment (visual glitch)

  - by Pierre

  I have observed that, very infrequently, Internet Explorer (7 or 8, it does not matter) displays our web pages (www.epsitec.ch) a short time without applying the CSS. The layout appears completely broken, with everything displayed sequentially from top to bottom. When the page has finished loading, everything finally gets displayed properly. Our web pages do not use any fancy scripting, just two javascript inclusions for QuantCast and Google Analytics, done at the end of the page. By the way, we already had the issue before adding the QuantCast script. The CSS gets linked in the <head> section: <head> <title>Crésus Comptabilité</title> <link rel="icon" href="/favicon.ico" type="image/x-icon" /> <link rel="shortcut icon" href="http://www.epsitec.ch/favicon.ico" /> <link href="../../style.css" rel="stylesheet" type="text/css" /> ... </head> and then follows static HTML up to the final chunk which includes the JavaScript: ... <div id="account"> <a class="deselect" href="/account/login">Identifiez-vous</a> <script type="text/javascript"> _qoptions={qacct:"..."}; </script> <script type="text/javascript" src="http://edge.quantserve.com/quant.js"> </script> <noscript> <img src="..." style="display: none;" border="0" height="1" width="1"/> </noscript> </div> <div id="contact"> <a href="/support/contact">Contactez-nous</a> </div> <div id="ending"><!-- --></div> </div> <script type="text/javascript"> ... </script> <script type="text/javascript"> var pageTracker = _gat._getTracker("..."); pageTracker._initData(); pageTracker._trackPageview(); </script> </body> As this is a very short visual glitch, I have no idea what provokes it. Worse, I cannot reproduce it and it appears only on seldom occasions. How can I further investigate the cause of the glitch? Are there any best practices I should be aware of?

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