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• Windows Workflow Foundation 4 (WF4) Delay

  - by Russ Clark

  I'm working with the the Release Candidate of Visual Studio 2010 using Wf4 to write a new workflow for approving resource requests. In my workflow, I would like for a request to expire after a few days if no approval has been made for the request. We did this in WF 3.5 (Visual Studio 2008) by adding a Delay timer into an EventDrivenActivity parallel to the EventDrivenActivity that was awaiting an approver to come and approve the request. If the Delay expired before an approval was made, the EventDrivenActivity would terminate the request. Does anyone know if there is a similar mechanism for doing this in WF4?

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• How to create DSN for SQL Server using C# ?

  - by Pavan Kumar

  using Microsoft.Win32; using System.Runtime.InteropServices; [DllImport("ODBCCP32.dll")] private static extern bool SQLConfigDataSource(IntPtr parent, int request, string driver, string attributes); private void btnDsn_Click(object sender, EventArgs e) { string str = "SERVER=MYDBSERVER\0DSN=MYDSN\0DESCRIPTION=MYDSNDESC\0DATABASE=master\0TRUSTED_CONNECTION=YES"; SQLConfigDataSource((IntPtr)0, 4, "SQL Server ",str); } Reference : http://social.msdn.microsoft.com/Forums/en-US/vscrystalreports/thread/441811b9-c4e9-4d15-97a3-7b92d2c9f318 Can anybody help me remove the following errors?? Error 1 Expected class, delegate, enum, interface, or struct C:\Documents and Settings\Pavan\My Documents\Visual Studio 2008\Projects\CopyDatabase\CopyDatabase\Synchronize.cs 17 23 CopyDatabase Error 2 The name 'SQLConfigDataSource' does not exist in the current context C:\Documents and Settings\Pavan\My Documents\Visual Studio 2008\Projects\CopyDatabase\CopyDatabase\Synchronize.cs 67 13 CopyDatabase

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• Where is the Bonjour COM library?

  - by Twelve47

  I've downloaded and installed the Bonjour SDK for Windows on my Win7 64bit machine. I've tried to build both of the the projects in C:\Program Files\Bonjour SDK\Samples\CS. However they both reference Bonjour, causing me to get the following build error 'Cannot load type library for reference "Bonjour". Library not registered.' Bonjour appears to be installed properly as I can run the Bonjour Printer Wizard and it appears to work properly. Any idea why Visual Studio can't find the Library? I'm using Visual Studio 2008 by the way.

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• TextMate suddenly highlighting all text dark red...?

  - by AP257

  I'm using TextMate on Snow Leopard, don't know much about how it works. After I hit an unknown keyboard shortcut, it suddenly decided to highlight almost all text in my Python files dark red - making all my Python virtually unreadable! I must have accidentally pressed a shortcut - but I've no idea what I did or how to turn it off, and can't find any relevant help in the manual or form. Even just 'turn off all highlighting' would do. Anyone know how to turn this highlighting off? Bit desperate!

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• Works using Django development server, but throws import error with Apache using mod_wsgi

  - by Raj

  I have a Django project that works fine with the development server that comes with it. No errors are produced at all when I use "django manage.py runserver" and the app works fine, but when I try to use it with mod_wsgi and Apache the browser displays "Internal Server Error" with a 500 error code and it generates an import error in the Apache error log. Here's the error in the log: ImportError: No module named registration I'm using the Django registration module which is located in a path like this: /opt/raj/photos/registration I know that the registration app is in the path because I can fire up a Python shell, import sys, and get a list of paths using sys.path. Here are some of the paths output from Python shell: sys.path ['', '/opt/raj/pyamf', '/opt/raj', '/opt/raj/pictures', '/opt/raj/pictures /registration', '/usr/lib/python2.6',....] Any thoughts would be appreciated.

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• Eye Detection Problem In Opencv

  - by iva123

  Hi, I'm trying to convert this c code(http://nashruddin.com/OpenCV_Eye_Detection) to the python code, but in c style, he used cvROI thing, since ROI functions are not supported by python-opencv, I tried cvGetSubRect so Here is the eye detection part of the code : eye_region = cvGetSubRect(image,cvRect(face.x,int(face.y + (face.height/4)),face.width,int(face.height/2))) eyes = cvHaarDetectObjects(eye_region,eyeCascade,memo,1.15,3,0,cvSize(25,15)) for e in eyes: cvRectangle(image, cvPoint( int(e.x), int(e.y)), cvPoint(int(e.x + e.width), int(e.y + e.height)), CV_RGB(0, 255, 0), 1, 8, 0) return image; When I run this code, It draws rectangles irrelevant places. I thought, eye_region coordinates are wrong, and tried some coordinates, but it didn't work. Any idea ? Note :Face detection method works very well, and it's code is same with the eye detection method.

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• What is inside Windows SDK?

  - by AKN

  For developing programs for windows, we need windows SDK. I understand that this SDK is what helps to create windows and handle window events and all that. I suppose it also enables us to manipulate with files and registries. (Does the same SDK is the reason for thread creation and handling?) All that is fine! I would like to know what are the files and libraries that come as a part of this SDK. Also does it come when I install the OS or when I install editors like Visual studio? Sometimes I see links to windows SDK separately as such. Is it same as the one that I get when installing Visual Studio or has something more than that.

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• TFS and Project portal sync

  - by Tigran

  Just installed TFS 2008. Created a project with portal site. When I create a bug in TFS from Visual Studio I'd like to see that bug in the web portal. And the other way around. When I add a task in the web portal I'd like to see that in Visual Studio. It's as if the web portal is not connected to TFS. I'm using the MSF for Agile Software Development template. I just saw Team System Web Access. That's what I want in addition to the other pages Sharepoint portal provides. For example the Wiki page and calendar view. So one place to see all tasks lists and assign task and see other project related pages. Maybe be able to has the tasks due dates come up on the calendar. Many thanks

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• SSIS DTSX File Repair Tool

  - by Eric Ness

  I'm working with an SSIS 2005 file that crashes Visual Studio 2005 on my workstation. This happens when I open the data flow diagram and Visual Studio attempts to validate the package. I can open it successfully on another computer though. The package itself is fairly simple and only has two control flow tasks and maybe ten tasks in the data flow. I'm wondering if there is a tool that goes through the XML in the dtsx file and repairs any issues or if this is even necessary. The dtsx file is about 171 kB and it seems like there's a lot in it considering what a simple package it is.

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• Scala isn't allowing me to execute a batch file whose path contains spaces.Same Java code does.What

  - by Geo

  Here's the code I have: var commandsBuffer = List[String]() commandsBuffer ::= "cmd.exe" commandsBuffer ::= "/c" commandsBuffer ::= '"'+vcVarsAll.getAbsolutePath+'"' commandsBuffer ::= "&&" otherCommands.foreach(c => commandsBuffer ::= c) val asArray = commandsBuffer.reverse.toArray val processOutput = processutils.Proc.executeCommand(asArray,true) return processOutput otherCommands is an Array[String], containing the following elements: vcbuild /rebuild path to a .sln file vcVarsAll contains the path to Visual Studio's vcvarsall.bat. It's path is C:\tools\microsoft visual studio 2005\vc\vcvarsall.bat. The error I receive is: 'c:\Tools\Microsoft' is not recognized as an internal or external command, operable program or batch file.. The processutils.Proc.executeCommand has the following implementation: def executeCommand(params:Array[String],display:Boolean):(String,String) = { val process = java.lang.Runtime.getRuntime.exec(params) val outStream = process.getInputStream val errStream = process.getErrorStream ... } The same code, executed from Java/Groovy works. What am I doing wrong?

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• SqlPlus on mac osx 10.6 doesn't work

  - by lesce

  When i try to run this #sqlplus system@orcl it gives me this error SQL*Plus: Release 10.1.0.3.0 - Production on Tue Apr 20 02:24:41 2010 Copyright (c) 1982, 2004, Oracle. All rights reserved. Enter password: ERROR: ORA-12154: TNS:could not resolve the connect identifier specified the oracle server is working , I can connect through SQLDeveloper My .profile looks like this export PATH=/opt/local/bin:/opt/local/sbin:$PATH # Setting PATH for Python 3.1 # The orginal version is saved in .profile.pysave PATH="/Library/Frameworks/Python.framework/Versions/3.1/bin:${PATH}" DYLD_LIBRARY_PATH=/Users/lesce/instantclient export TNS_ADMIN=/Users/lesce/instantclient export ORACLE_SID="orcl" export DYLD_LIBRARY_PATH export PATH=$PATH:/Users/lesce/instantclient tnsnames.ora ORCL = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl) ) ) listener.ora SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (SID_NAME = PLSExtProc) (ORACLE_HOME = /Users/oracle/oracle/product/10.2.0/db_1) (PROGRAM = extproc) ) (SID_DESC = (SID_NAME = orcl) (ORACLE_HOME = /Users/oracle/oracle/product/10.2.0/db_1) ) ) LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0)) ) ) My SqlDeveloper configuration username : sys role : sysdba connection type : basic hostname : localhost port : 1521 sid : orcl

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• Using TFSBuild to publish ClickOnce files that include prerequisites

  - by icancsharp

  I have declared an MSBuild tag in my TFSBuild project in order to publish ClickOnce files for my project. WSE 3.0 and .Net 3.0 are both pre-requisites for the application, so in Visual Studio I have ticked those as pre-requisites. When I build from Visual Studio, it creates a setup.exe file that I can publish to my web site. When you browse to this setup.exe file it installs WSE3.0 and .Net 3.0 and then continues to install my application, which works well. If I get TFS to create the click once files using the MSBuild tag in the TFSBuild file, it creates the setup.exe file, which I can publish to my website in the same way (along with all the other ClickOnce files). When I browse to setup.exe now, however, the prerequisites don't get installed and therefore my program does not run. Does anyone know how to get TFS to build a correct setup.exe file that properly bootstraps my prerequisites?

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• Get window handle from window class name

  - by Einar Egilsson

  I'm trying to get a window handle on a child window in my process and the only information I have is the window class name. Are there any win32 functions I can use for that? I'm doing this from C#. A bit more detail: This is a Visual Studio plugin, written in C#. So my process is visual studio, which has lots of windows. One of them has a window class "VsTipWindow". I don't know the immediate parent window of that window, all I have is the class name. Is there any way for me to get the window handle from just that?

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• Make SQL Server Reporting Services use metric measurements

  - by marc_s

  I'm newly getting into creating and programming reports using SQL Server Reporting Services. One thing that bugs me right off the bat: I can't seem to find an easy way to tell the BIDS (Business Intelligence Dev Studio, a.k.a. Visual Studio) to use the metric system for measurements - you know - millimeters, centimeters etc., instead of inches and so on. I was trying to figure out whether that's a setting inside Visual Studio (and if so: where is it??), or whether this depends on the Reporting services instance we're going against (and again: if so, where the heck can I change that???). There must be a way to change this!! Except for the US, no one in the world is still measuring in inches..... c'mon - the world at large has long since adopted the metric system! Don't tell me Microsoft makes me go back into the dark ages.....

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• GWT Post build command in Eclipse

  - by Henrik

  I am starting getting used to Eclipse, but I have much more experience with Visual Studio. In Visual Studio it is possible to run auto commands after the build has finished. Now I am creating a GWT project and several other projects at once in one solution (or workspace) in Eclipse. Some files which are compiled with the GWT project needs to be copied to another location when they have been compiled. I am currently doing this manually and would like to do it automatically. I am not doing it often, since the project works fine in debug mode (...?gwt.codesvr=localhost:9997). But where is the location for executing a post build command for a GWT project in eclipse? Is it possible?

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• .Net Array or IList<T> from NumPy array in IronPython?

  - by Barry Wark

  Imagine I have a .Net application that supports user extensions in the form of Python modules by embedding IronPython. Using Ironclad, I can allow users to make use of the NumPy and SciPy packages from within their modules. How good is the interop provided by Ironclad? My question is: can I use a NumPy array of type T provided by the user's module in the rest of my app that requires an IList<T>? Edit To clarify, IronPython exposes any Python enumerable of objects of type T as an IEnumerable<T> or an IList<T>. I'm not sure if NumPy arrays fit in this category. I would rather not have to call .tolist() on the NumPy array as the arrays may be quite large.

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• Using pyodbc to insert rows into a MS Access MDB, how do I escape the paramaters?

  - by MDBGuy

  Hi, I'm using pyodbc to talk to a legacy Access 2000 .mdb file. I've got a cursor, and am trying to execute this: c.execute("INSERT INTO [Accounts] ([Name], [TypeID], [StatusID], [AccountCat], [id]) VALUES (?, ?, ?, ?, ?)", [u'test', 20, 10, 4, 2]) However, doing so results in pyodbc.Error: ('HYC00', '[HYC00] [Microsoft][ODBC Microsoft Access Driver]Optional feature not implemented (106) (SQLBindParameter)') I understand I can simply change the question marks to the literal values, but in my experience proper escaping of strings across databases is... not pretty. PHP and mysql team up to bring mysql_real_escape_string and friends, but I can't seem to find pyodbc's function for escaping values. If you could let me know what the recommended way of inserting this data (from python) is, that'd be very helpful. Alternatively, if you have a python function to escape the odbc strings, that would also be great. Thanks for the help.

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• Website downloader library

  - by Midhat

  I need to put a little project together for myself, and I need some functionality to download a page for offline viewing. Is there a library that will download a given page and its embedded images, and edit the img tags to reflect the local locations of the images. I know there are a lot of website downloaders out there, but I cant find something that i can use directly in my code. I have some basic scripts done in python, so Python is very welcome. but pretty much any language will do.

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• SAP .NET Connector

  - by mehmet6parmak

  Hi all, I need to connect to SAP and do a simple update but it will be the first time for me connecting to SAP and i know almost nothing. After some search on web i learned that there is an API which works only in visual studio 2003 (SAP .NET Connector). But i have a win7 .net 3.5 sp1 system. Is there any free way to connect to SAP using visual studio 2008 on the system above? (Free means without additional payment, we have an SAP account) Thanks...

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• how to specify the Build Engine Version when using VcBuild.exe on the command line.

  - by r9r9r9

  I create a c# class library project named: testVcBuild, then use vcbuild.exe to build the project in the command line like: C:\Program Files\Microsoft Visual Studio 9.0\VC\vcpackages>vcbuild testVcBuild.csproj "Debug|Win32" the out put shows: Microsoft (R) Visual C++ Project Builder - Command Line Version 9.00.21022 Copyright (C) Microsoft Corporation. All rights reserved. Microsoft (R) Build Engine Version 2.0.50727.4927 [Microsoft .NET Framework, Version 2.0.50727.4927] Copyright (C) Microsoft Corporation 2005. All rights reserved. I found that the vcbuild.exe always call the "C:\Windows\Microsoft.NET\Framework\v2.0.50727\Csc.exe /noconfig .." the problem is how can I change the Framework version to v3.5? I found my project works fine with the v3.5 but it's broken in the v2.0.50727. I try to use msbuild.exe instead of vcbuild.exe, everything goes well, I just don't understand how can I make it with the vcbuild.exe? win7+vs2005+vs2008 installed.

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• What are some popular Git layout strategies?

  - by CodexArcanum

  A fellow developer recently showed me a blog post with a nice visual representation of a git layout. He implied that this particular strategy was gaining a lot of popularity, but numerous searches here and through the Google have yet to turn up the blog post. The gist of it was that you had a trunk for main development, and a "side-trunk" for immediate customer-driven bug fixes. Main development had a branch, which was merged to trunk periodically for major releases, and then you had feature branches. There was a lovely diagram that clearly showed all this. Since I'd like to learn git better, I'd love to have that diagram available as an aide. It'd also be useful as a visual for trying to convince coworkers to switch to git. Does anyone happen to know what I'm talking about and can provide a link?

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• The type already contains a definition for 'Zehut'

  - by iTayb

  The problem exists in my editme.aspx page. Error 1 The type 'editme' already contains a definition for 'Zehut' C:\Documents and Settings\Itay.ITAYB-5A14B8105\My Documents\Visual Studio 2008\WebSites\WebSite2\editme.aspx.cs 110 20 C:\...\WebSite2\ Error 3 Ambiguity between 'editme.Zehut' and 'editme.Zehut(object, System.Web.UI.WebControls.ServerValidateEventArgs)' C:\Documents and Settings\Itay.ITAYB-5A14B8105\My Documents\Visual Studio 2008\WebSites\WebSite2\editme.aspx.cs 44 13 C:\...\WebSite2\ I can't understand where there is a second Zehut method. This is the only zehut method in the whole file. Here is the code: http://pastebin.com/xzDcg1RB It happened just out of the blue. It worked fine for a month or so.

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• NHibernate Tutorial Run-Time Error: HibernateException

  - by Kashif

  I'm a newbie at NHibernate so please go easy on me if I have asked a stupid question... I am following the tutorial for NHibernate posted here and am getting a run-time error of type "HibernateException" The code in question looks like this: using System; using System.Collections.Generic; using System.Linq; using System.Text; using FirstSolution; using NHibernate.Cfg; using NHibernate.Tool.hbm2ddl; using NUnit.Framework; namespace FirstSolution.Tests { [TestFixture] public class GenerateSchema_Fixture { [Test] public void Can_generate_schema() { var cfg = new Configuration(); cfg.Configure(); cfg.AddAssembly(typeof(Product).Assembly); new SchemaExport(cfg).Execute(false, true, false); } } } The line I am getting the error at is: cfg.AddAssembly(typeof(Product).Assembly); The inner-most exception is: The IDbCommand and IDbConnection implementation in the assembly System.Data.SqlServerCe could not be found And here's my stack trace: at NHibernate.Connection.ConnectionProvider.ConfigureDriver(IDictionary`2 settings) at NHibernate.Connection.ConnectionProvider.Configure(IDictionary`2 settings) at NHibernate.Connection.ConnectionProviderFactory.NewConnectionProvider(IDictionary`2 settings) at NHibernate.Tool.hbm2ddl.SchemaExport.Execute(Action`1 scriptAction, Boolean export, Boolean justDrop) at NHibernate.Tool.hbm2ddl.SchemaExport.Execute(Boolean script, Boolean export, Boolean justDrop) at FirstSolution.Tests.GenerateSchema_Fixture.Can_generate_schema() in C:\Users\Kash\Documents\Visual Studio 2010\Projects\FirstSolution\FirstSolution\GenerateSchema_Fixture.cs:line 23 at HibernateUnitTest.Form1.button1_Click(Object sender, EventArgs e) in C:\Users\Kash\Documents\Visual Studio 2010\Projects\FirstSolution\HibernateUnitTest\Form1.cs:line 23 at System.Windows.Forms.Control.OnClick(EventArgs e) at System.Windows.Forms.Button.OnClick(EventArgs e) at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ButtonBase.WndProc(Message& m) at System.Windows.Forms.Button.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg) at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData) at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context) at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context) at System.Windows.Forms.Application.Run(Form mainForm) at HibernateUnitTest.Program.Main() in C:\Users\Kash\Documents\Visual Studio 2010\Projects\FirstSolution\HibernateUnitTest\Program.cs:line 18 at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args) at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args) at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly() at System.Threading.ThreadHelper.ThreadStart_Context(Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart() I've made sure that System.Data.SqlServerCe has been referenced and that its Copy Local property is set to True. The error persists, however. Your help would be appreciated. Thanks.

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• StyleCop 4.4 works inside VS.NET 2010 but not MSBuild command line

  - by Steve Michelotti

  We are seeing extremely strange results where StyleCop will correctly report violations when run from within Visual Studio 2010. However, when we run msbuild on the command line (e.g., "MSBuild.exe mySolution.sln") it reports "No violations encountered" when clearly there are the same violations as when we ran it within Visual Studio. Is this a bug in the latest release of StyleCop? Or in the 2010 integration? Is there anything you can tell me about possible differences with StyleCop executing from within VS.NET versus MSBuild command line? Thanks.

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• Install TurboGears on windows xp

  - by coder

  I've been trying to get TurboGears installed on Windows by following this site. I've installed virtualenv but when I execute the command "virtualenv --no-site-packages testproj", I get the following message: New python executable in testproj\Scripts\python.exe Traceback (most recent call last): File "C:\Python26\Scripts\virtualenv-script.py", line 8, in load_entry_point('virtualenv==1.4.5', 'console_scripts', 'virtualenv')() File "C:\Python26\lib\site-packages\virtualenv-1.4.5-py2.6.egg\virtualenv.py", line 529, in main use_distribute=options.use_distribute) File "C:\Python26\lib\site-packages\virtualenv-1.4.5-py2.6.egg\virtualenv.py", line 612, in create_environment site_packages=site_packages, clear=clear)) File "C:\Python26\lib\site-packages\virtualenv-1.4.5-py2.6.egg\virtualenv.py", line 837, in install_python stdout=subprocess.PIPE) File "C:\Python26\lib\subprocess.py", line 621, in __init__ errread, errwrite) File "C:\Python26\lib\subprocess.py", line 830, in _execute_child startupinfo) WindowsError: [Error 14001] This application has failed to start because the application configuration is incorrect. Reinstalling the application may fix this problem Can someone help me debug this ? If any one knows a better tutorial to install turbogears, please let me know.

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