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• What's the next big thing after LINQ?

  - by Leniel Macaferi

  I started using LINQ (Language Integrated Query) when it was still in beta, more specifically Microsoft .NET LINQ Preview (May 2006). Almost 4 years have passed and here we are using LINQ in a lot of projects for the most diverse tasks. I even wrote my final college project based on LINQ. You see how I like it. LINQ and more recently PLINQ (Parallel LINQ) give our jobs a great boost when it comes to more programming power and less lines of code leading us to more expressive and readable code. I keep thinking what could be the next big language improvement for C# after LINQ. I know there are some promissing language features coming as Code Contracts, etc, but nothing having the impact that LINQ had. What do you think could be the next big thing?

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• Intellij Grails and Git

  - by WaZ

  I want to backup my code using smart Git. As a start I am a bit confused, IntelliJ has created two folders for my GRails project: these reside in 1) C:\Documents and Settings\me\.grails\1.2.1\projects and 2) C:\Documents and Settings\me\IdeaProjects\ The 1) contains a plugins folder which contains directories and files of plugins I am using inside my project. Do I have to include both 1) and 2) directories inside GIT? If yes what can I ignore? If no which of the files do I have to include Thanks, Much appreciated, WB

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• javaEE application layout

  - by arthurdent510

  I've been tasked with writing a new webapp in javaEE, which will be a first for me. I'm familar with the java language, but all of my previous projects have been in .net. So I've downloaded netbeans and I'll probably be using Hibernate, and started digging in. My question is, what's the best way to lay out a javaEE app? Should all data access go through netbeans? I was told to use webservices as much as possible so it's easy to pull data in and out of the system, and I've read through tutorials that create webservices in a seperate web application, as compared to the javaEE enterprise application. Is that really the way it's supposed to work? Just trying to wrap my head around this as compared to what I'm used to in .net. Thanks!

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• How to import classes into other classes within the same file in Python

  - by Chris

  I have the file below and it is part of a django project called projectmanager, this file is projectmanager/projects/models.py . Whenever I use the python interpreter to import a Project just to test the functionality i get a name error for line 8 that FileRepo() cannot be found. How Can I import these classes correctly? Ideally what I am looking for is each Project to contain multiple FileRepos which each contain and unknown number of files. Thanks for any assistance in advance. #imports from django.db import models from django.contrib import admin #Project is responsible for ensuring that each project contains all of the folders and file storage #mechanisms a project needs, as well as a unique CCL# class Project(models.Model): ccl = models.CharField(max_length=30) Techpacks = FileRepo() COAS = FileRepo() Shippingdocs = FileRepo() POchemspecs = FileRepo() Internalpos = FileRepo() Finalreports = FileRepo() Batchrecords = FileRepo() RFPS = FileRepo() Businessdev = FileRepo() QA = FileRepo() Updates = FileRepo() def __unicode__(self): return self.ccl #ProjectFile is the file object used by each FileRepo component class ProjectFile(models.Model): file = models.FileField(uploadto='ProjectFiles') def __unicode__(self): return self.file #FileRepo is the model for the "folders" to be used in a Project class FileRepo(models.Model): typeOf = models.CharField(max_length=30) files = models.ManyToManyField(ProjectFile) def __unicode__(self): return self.typeOf

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• WinSCP equivalent for Linux/Ubuntu

  - by Shashank

  I'm shifting most of my projects to a Linux machine, and one of the things that I miss is WinSCP. I've found other answers saying that nautilus, FileZilla etc. can be used for SFTP, but something that I loved about WinSCP was that it has two panes (FileZilla's got that) and I could start synchronization from any directory. Unison or Rsync could work, but I'd have to create a folder pair every time I want to sync two folders. Is there an SFTP client for Linux that has a two-paned view and allows ad-hoc synchronization? Thanks!

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• Intellisense in header files

  - by David

  I just right now "migrated" from C# to C++/CLR. First I was annoyed, that I had to write all class' declarations twice (into .h and .cpp). Then I figured out, that I could place the code also into the h-files - it compiles at least. Well, I deleted all cpp's of my classes and now I realized, VS won't give me any Intellisense when I work on my h-files. I guess I should not place my code in the hfiles (the code won't be reused in other projects for sure), but I find it terrible to adjust all method declarations at two places... Plus I have to switch back and forth to see what modifier my method etc. and it is not nicely all in one place like in C# (with it's pros and cons). I'm sorry this is a newbie question, but I just wanted to make sure that there isn't any possibility to enable intellisense for hfiles. Or at least to learn, that I am completely on the wrong path... Thanks, David

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• Exceptions using CruiseControl.NET

  - by Andy

  I recently updated to CC.NET 1.5 and I'm now getting some strange exceptions. On one project I get: - ThoughtWorks.CruiseControl.Core.CruiseControlException: Source control operation failed: svn: Can't create a character converter from native encoding to 'UTF-8' This happens when CC is checking a subversion repository for any mods. If I run the actual command line CC says is failing it works and returns an empty XML (there are no mods). Some other projects also fail to check mods with another "Source control operation failed" exception but no further info. Again the command is an "svn log" which when run from command line works ok. I'm using subversion 1.4.5 client side and my source repository exists on a separate box than my build server. Anyone got any ideas?

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• Unable to find static resource in runtime even while designer can see it

  - by xumix

  So i have this markup: <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:Werp.MigrationHelper"> <Style TargetType="{x:Type UserControl}" x:Key="WizardPageControl" x:Name="WizardPageControl"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type UserControl}"> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="10" /> <ColumnDefinition Width="475" /> <ColumnDefinition Width="10" /> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition Height="10" /> <RowDefinition Height="410"/> <RowDefinition Height="50" /> <RowDefinition Height="10" /> </Grid.RowDefinitions> <StackPanel Orientation="Vertical" Name="MainContent" Grid.Row="1" Grid.Column="1"> <ContentPresenter Content="{TemplateBinding Content}"/> </StackPanel> <StackPanel Grid.Column="1" Grid.Row="2" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Bottom" Margin="0,0,0,10" Height="30"> <Button Name="BackButton" Width="50" xml:space="preserve">&lt; _Back</Button> <Button Name="NextButton" Width="50" Margin="10,0,0,0" xml:space="preserve" IsDefault="True">_Next &gt;</Button> <Button Name="CancelButton" Width="50" Margin="10,0,0,0" IsCancel="True">_Cancel</Button> <Button Name="FinishButton" IsEnabled="True" Width="50" Margin="10,0,0,0">_Finish</Button> </StackPanel> </Grid> </ControlTemplate> </Setter.Value> </Setter> </Style> </ResourceDictionary> <Application xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <Application.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="Resources\WizardPageControl.xaml" /> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> </Application.Resources> </Application> <UserControl x:Class="Werp.MigrationHelper.WizardPageControl" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:local="clr-namespace:Werp.MigrationHelper" mc:Ignorable="d"> </UserControl> Then I try to use it: <PageFunction xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:Werp.MigrationHelper" x:Class="Werp.MigrationHelper.WizardPage1" x:TypeArguments="local:WizardResult" KeepAlive="True" WindowTitle="Wizard Page 1" > <local:WizardPageControl Style="{StaticResource ResourceKey=WizardPageControl}"> <local:WizardPageControl.Content> qweqweqweqweq </local:WizardPageControl.Content> </local:WizardPageControl> </PageFunction> The VS designer show everything Ok, but in runtime i get System.Windows.Markup.XamlParseException occurred Message='Provide value on 'System.Windows.StaticResourceExtension' threw an exception.' Line number '4' and line position '5'. Source=PresentationFramework LineNumber=4 LinePosition=5 StackTrace: at System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri) at System.Windows.Markup.WpfXamlLoader.LoadBaml(XamlReader xamlReader, Boolean skipJournaledProperties, Object rootObject, XamlAccessLevel accessLevel, Uri baseUri) at System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream) at System.Windows.Application.LoadComponent(Object component, Uri resourceLocator) at Werp.MigrationHelper.WizardPage1.InitializeComponent() in d:\Home\Docs\Visual Studio 2008\Projects\csharp\wizardpage1.xaml:line 1 at Werp.MigrationHelper.WizardPage1..ctor(WizardData wizardData) in D:\home\Docs\Visual Studio 2008\Projects\csharp\WizardPage1.xaml.cs:line 12 InnerException: Message=Cannot find resource named 'WizardPageControl'. Resource names are case sensitive. Source=PresentationFramework StackTrace: at System.Windows.StaticResourceExtension.ProvideValue(IServiceProvider serviceProvider) at MS.Internal.Xaml.Runtime.ClrObjectRuntime.CallProvideValue(MarkupExtension me, IServiceProvider serviceProvider) InnerException: Whats the prolem??

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• Build Issue with multi module project

  - by vijay.shad

  Hi, I have a multi module web project. Four modules of the project are packaged as jar and added as dependency to the fifth module, which is packaged as war. When it is time to deploy the application i just run package on the war project and my war is created with all the dependencies. Now there is a problem. One of the my module have heavy changes. Now when i created war for my projects these changes was not reflected in the output war file(the jar in lib folder of war has still the old code). Can you please point the things i am missing from the release process? Why the old code is being packaged with the war? Can you please point some good resource for real file build process using maven? Regards, Vijay

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• Installing Win32 shared SxS policy via WiX 3.0 MSM fails for 2nd app

  - by dr-stevep

  I am attempting to author a merge module for use by multiple application installers to install a Win32 Shared SxS Assembly and its associated Policy. I'm using WiX 3.0 to generate the MSM and test MSIs. So far it works fine for the first app installer that runs … but the second app installer fails because the Policy file already exists (HRESULT: 0x800700B7). What requirement(s) for correct Win32 Shared SxS Policy installation am I missing? I have submitted WiX bug 3005301 for this (https://sourceforge.net/tracker/?func=detail&atid=642714&aid=3005301&group_id=105970) and posted VS2008 projects that reproduce the problem. URL: ftp.digital-rapids.com/upload/SteveP/ User: drc-support Password: drc-support Link: ftp://drc-support:[email protected]/upload/SteveP/ wix-Bugs-3005201.rar contains a VS2008 solution that builds the MSM and MSIs that reproduce the issue. (~3MB) wix-Bugs-3005301_Output.rar contains the generated MSM, MSI, and wixpdb files (~40MB)

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• Most popular classroom, bootcamp, or online training for ASP.NET 3.5

  - by Curtis White

  What are the most popular and highest quality training sources for ASP.NET 3.5. I am interested in both "boot camp" class room training and online self-paced training. I am interested in both training that can be applied to certification but also non certification based training in the following areas: ASP.NET 3.5, AJAX, and web security. The training should be geared to real world projects and not memorization. I am most interested to hear from Microsoft MVP's on the matter and those who personally have attended or scheduled such training.

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• jquery-Ajax call on tornado handlers waits for pervious ajax call to return

  - by harshh

  Hey All. I recently started testing TornadoWeb for a home-project, which uses jquery getJSON function to call my tornado handlers. And found something strange, which i seek an explanation for. I fire an ajax request for Handler1 on tornado, and in some cases request for Handler2 is initiated before Handler1 returns. It appears from development-server logs, and firebug console-debugging, that Handler2 request waits for Handler1 request to finish, and then return. So basically, XHR call is waiting for earlier XHRs. They are supposed to be asynchronous/non-blocking right?? Or am i missing something. You can check the test-case environment called testtornado at http://github.com/harshh/Harsh-Projects/ with main.py as server triggering file. I would appreciate help from anyone who can throw some light on this.

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• How do I upgrade my Crystal Report libraries in a .NET 3.5 project to CR XI R2?

  - by Stuart B

  Our project currently uses Crystal Reports for Visual Studio 2008. We need to upgrade to XI R2, but I'm having problems doing so. Here are the steps I followed: Install Crystal Reports XI R2. Collect updated assemblies from the GAC. I did this because I couldn't find version XI libraries in the "Add References..." dialog. I verified that these assemblies were of version 11.5.*. The libraries I gathered were: CrystalDecisions.CrystalReports.Engine CrystalDecisions.Enterprise.Framework CrystalDecisions.Enterprise.InfoStore CrystalDecisions.ReportSource CrystalDecisions.Shared CrystalDecisions.Windows.Forms Replace all references in my projects to version 10.5 Crystal libraries with references to the newer assemblies. Everything builds fine, but when I try to instantiate a ReportDocument, I get this error: The type initializer for 'CrystalDecisions.CrystalReports.Engine.ReportDocument' threw an exception. Is there anything I'm missing? Will this just not work?

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• How to import modules that are used in both the main code and a module correctly?

  - by Deniz

  Let's assume I have a main script, main.py, that imports another python file with 'import coolfunctions' and another: 'import chores' Now, suppose coolfunctions also uses stuff from chores, hence I declare 'import chores' inside coolfunctions. Since both main.py, and coolfunctions import chores ~ is this redundant? Is there any other way of doing this? Am I doing it correctly? I'm confused about how python projects should be structured in general. I have a "conf.py" file, that I import for a bunch of variables ~ is this a module or not? I load this conf file in multiple places as well.

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• I can't build C# class library by MonoDevelop on Mac OS X

  - by wataradio

  When building following simple C# class library, using System; namespace MyProject { public class MyClass { public MyClass () { } } } I encountered following error message: /Library/Frameworks/Mono.framework/Versions/2.6.4/lib/mono/2.0/Microsoft.Common.targets: Error: You must specify DestinationFolder or DestinationFiles attribute. at Microsoft.Build.Tasks.Copy.Execute () [0x00000] in <filename unknown>:0 Anyone having the same problem? Somethig I tried: This error is solved if I change my project file format "MSBuild (Visual Studio 2008)" to "MonoDevelop 1.0" (Preferences Load/Save Project file format to use when creating new projects) There is no problem when building console app project. Only library project is the problem. There is no problem on Ubuntu and SUSE My Environments: MonoDevelop 2.2.2 Mono 2.6.4 Mac OS X 10.6.3

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• cross-compiling autoconf-based tools with mingw on Mac OS X

  - by paleozogt

  I'd like to cross-compile some open-source libraries (libiconv, gettext, glib2) for windows using mingw on Mac OS X. I've installed mingw on Mac with MacPorts. But now I'm not sure what to give to the configure script so that it will work. The cross-compilation tutorials I've seen all talk about makefiles, but no one mentions what to give autoconf-based projects. I'm configuring like this: ./configure --prefix=/opt/local/i386-mingw32 --host=i586-mingw32msvc but it doesn't seem to take. While the configure will pass, running "make" will give this error: i686-apple-darwin9-gcc-4.0.1: no input files I thought the "--host" argument to configure was supposed to tell it to use the mingw compiler? I'm not sure what's going on here.

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• Best practices for organizing .NET P/Invoke code to Win32 APIs

  - by Paul Sasik

  I am refactoring a large and complicated code base in .NET that makes heavy use of P/Invoke to Win32 APIs. The structure of the project is not the greatest and I am finding DllImport statements all over the place, very often duplicated for the same function, and also declared in a variety of ways: The import directives and methods are sometimes declared as public, sometimes private, sometimes as static and sometimes as instance methods. My worry is that refactoring may have unintended consequences but this might be unavoidable. Are there documented best practices I can follow that can help me out? My instict is to organize a static/shared Win32 P/Invoke API class that lists all of these methods and associated constants in one file... (The code base is made up of over 20 projects with a lot of windows message passing and cross-thread calls. It's also a VB.NET project upgraded from VB6 if that makes a difference.)

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• HowTo set Icon to Qt Application, created with Qt Visual Studio Add-in?

  - by mosg

  Hello. Here is what I have: Visual Studio 2008 (on 32-bit Windows XP) Qt libraries 4.6.2 for Windows (VS 2008, 194 MB) Visual Studio Add-in (44 MB) After I installed all the software, I created simple Qt Application project, with Visual Studio: menu File | New | Project... and Qt4 Projects | Qt Application. Build it, and here is the question: how to set application icon to my compiled exe file? I need to see specified ICO in explorer! Old method with MyProject.pro not interested!!! Create a .ico file with both 16x16 and 32x32-pixel versions of the icon (you can do this in Visual Studio). Create a .rc file containing the following text: IDI_ICON1 ICON DISCARDABLE "myIcon.ico" Add the following to your .pro file RC_FILE = myFile.rc Run qmake. Thanks.

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• Rails 3 Flash Uploader

  - by klynch

  I am trying to get Uploadify working with Rails 3. However, I can't insert the middleware with the correct arguments. This is the Rails 2 way: ActionController::Dispatcher.middleware.insert_before( ActionController::Session::CookieStore, FlashSessionCookieMiddleware, ActionController::Base.session_options[:key] ) This is what I have so far for Rails 3: Rails.application.config.middleware.insert_before( Rails.application.config.session_store, FlashSessionCookieMiddleware, Rails.application.config.session_options[:key] ) However, this gives: kevin$hephaestus:$exposure [1035 | 0]% rake middleware (in /Users/kevin/Projects/exposure) rake aborted! protected method `session_options' called for #<Rails::Application::Configuration:0x101eb28d0> (See full trace by running task with --trace) zsh: exit 1 rake middleware When I comment out the session_options argument, the middleware is successfully inserted, but it can't do what it is supposed to. Any suggestions?

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• Install a vimball from the command line.

  - by Robert Massaioli

  As this post points out you can install Vimballs using the normal: vim somevimball.vba :so % :q But if you want to install a from the command line how do you do it? I ran a 'man vim' and it seems like the best "from source install" option was the '-S' option so I tried to install haskellmode with it: wget 'http://projects.haskell.org/haskellmode-vim/vimfiles/haskellmode-20090430.vba' vim -S haskellmode-20090430.vba and that failed to work. It gave me the following error: Error detected while processing function vimball#Vimball: line 10: (Vimball) The current file does not appear to be a Vimball! press ENTER or type command to continue It should be noted that using the first method I was able to successfully install the vimball. I have tried the second method on a few other vimballs and it has failed every time. Is there a way to install a vimball from the command line? It seems like a useful sort of task. Oh, and I am running the following version of vim: Version: 2:7.2.330-1ubuntu3 Thanks.

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• Packaging a Bundle with a static library

  - by 4thSpace

  I have a static library that includes some xibs. These will basically be the same across projects. I'd like to include the xibs as part of the library. I can include their veiwcontrollers, reference these controllers in the calling project but then there isn't a xib to load. When I right click the xib in the library project, it can't be part of the target. I thought about creating a CFPluginBundle but that creates a new project. I'd loose all of my IBOutlet and IBAction references. What is the best way to reuse xibs that also have outlets and actions to specific controllers?

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• ConnectionKit & iPhone SDK

  - by Wilco

  I'm still getting my feet wet with the iPhone SDK, but I'm wondering if it would be possible to get the ConnectionKit framework working for an iPhone app. I know it was developed for the desktop OS, so I'm not sure what sort of dependencies it has and whether or not it could be shoehorned into the iPhone OS. In my case, I would like to use its FTP functionality, though having access to this entire framework could prove useful for future projects as well. Any ideas or experience trying this? In case it helps, here's the official ConnectionKit site: http://opensource.utr-software.com/connection/

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• How to prevent HTTP 304 in Django test server

  - by Augusto Men

  I have a couple of projects in Django and alternate between one and another every now and then. All of them have a /media/ path, which is served by django.views.static.serve, and they all have a /media/css/base.css file. The problem is, whenever I run one project, the requests to base.css return an HTTP 304 (not modified), probably because the timestamp hasn't changed. But when I run the other project, the same 304 is returned, making the browser use the file cached by the previous project (and therefore, using the wrong stylesheet). Just for the record, here are the middleware classes: MIDDLEWARE_CLASSES = ( 'django.middleware.common.CommonMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.middleware.transaction.TransactionMiddleware', ) I always use the default address http://localhost:8000. Is there another solution (other than using different ports - 8001, 8002, etc.)?

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• How to integrate pep8.py in Eclipse?

  - by DZPM

  A little background: PEP 8 is the Style Guide for Python Code. It contains the conventions all python programmers should follow. pep8.py is a (very useful) script that checks the code formating of a given python script, according to PEP 8. Eclipse is a great IDE. With the Pydev extension, it that can be used to develop Python I run pep8.py manually when I'm scripting, but with bigger projects I prefer to use Eclipse. It would be really useful to integrate pep8.py in Eclipse/Pydev, so it can be run automatically in all the files in the project, and point to the lines containing the warnings. Maybe there is an obvious way to do it, but I haven't found it yet. Question is: How to integrate pep8.py in Eclipse?

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• Visual Studio Performance when editing XAML/Silverlight files

  - by driAn

  When I work on Silverlight projects within Visual Studio 2008, I regularly notice that the XAML editor hangs for up to 10 seconds. This because Visual Studio consumes 100% CPU during that timeframe. Any ideas how I could fix that? I assume this is some kind of background compiling for itellisense or something similiar. It happens during editing, multiple times an hour, without me doing any special actions. System: Server 2008 Std Visual Studio 2008 SP1 latest updates... I wonder if anyone else experienced this issue. Any help would be appreciated.

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