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• HELP: deploying applications that use LINQ to Entities.

  - by Luiscencio

  HI COMUNITY!!!! I want to use L2E since it s very convenient to my company's apps, I created a demo project, the demo does run on every machine but when I, lets say, press a button that has some code that uses the entity I get this error: specified store provider cannot be found in the configuration, or is not valid. note that I get this error only on machines that does not have VS2008 installed, on these machines (the ones with VS2008) the demo works well. any advice is appreciated. I am using MySql server with Mysql Conector 6.3 and the model is created with ADO.Net entitiy model. EDIT here is the complete error trace: See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box. ************** Exception Text ************** System.ArgumentException: The specified store provider cannot be found in the configuration, or is not valid. ---> System.ArgumentException: Unable to find the requested .Net Framework Data Provider. It may not be installed. at System.Data.Common.DbProviderFactories.GetFactory(String providerInvariantName) at System.Data.EntityClient.EntityConnection.GetFactory(String providerString) --- End of inner exception stack trace --- at System.Data.EntityClient.EntityConnection.GetFactory(String providerString) at System.Data.EntityClient.EntityConnection.ChangeConnectionString(String newConnectionString) at System.Data.EntityClient.EntityConnection..ctor(String connectionString) at System.Data.Objects.ObjectContext.CreateEntityConnection(String connectionString) at System.Data.Objects.ObjectContext..ctor(String connectionString, String defaultContainerName) at Projects.projectsEntities..ctor() at Projects.frmProjecstMain.btnGenerarProyectoDeGarantias_Click(Object sender, EventArgs e) at System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e) at System.Windows.Forms.ToolStripButton.OnClick(EventArgs e) at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e) at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e) at System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met) at System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met) at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ScrollableControl.WndProc(Message& m) at System.Windows.Forms.ToolStrip.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.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) ************** Loaded Assemblies ************** mscorlib Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3603 (GDR.050727-3600) CodeBase: file:///c:/WINDOWS/Microsoft.NET/Framework/v2.0.50727/mscorlib.dll ---------------------------------------- Projects Assembly Version: 1.0.0.0 Win32 Version: 1.0.0.0 CodeBase: file:///C:/Documents%20and%20Settings/jessica.carreon/Local%20Settings/Apps/2.0/1MLH514G.07M/RGBATG69.8AR/proj..tion_b0cb148e1dc400e0_0001.0000_738d35d08c548573/Projects.exe ---------------------------------------- System.Windows.Forms Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Windows.Forms/2.0.0.0__b77a5c561934e089/System.Windows.Forms.dll ---------------------------------------- System Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System/2.0.0.0__b77a5c561934e089/System.dll ---------------------------------------- System.Drawing Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Drawing/2.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll ---------------------------------------- MySql.Data Assembly Version: 6.3.0.0 Win32 Version: 6.3.0.0 CodeBase: file:///C:/Documents%20and%20Settings/jessica.carreon/Local%20Settings/Apps/2.0/1MLH514G.07M/RGBATG69.8AR/proj..tion_b0cb148e1dc400e0_0001.0000_738d35d08c548573/MySql.Data.DLL ---------------------------------------- System.Data Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_32/System.Data/2.0.0.0__b77a5c561934e089/System.Data.dll ---------------------------------------- System.Transactions Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_32/System.Transactions/2.0.0.0__b77a5c561934e089/System.Transactions.dll ---------------------------------------- System.Xml Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3082 (QFE.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Xml/2.0.0.0__b77a5c561934e089/System.Xml.dll ---------------------------------------- System.Data.Entity Assembly Version: 3.5.0.0 Win32 Version: 3.5.30729.1 built by: SP CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Data.Entity/3.5.0.0__b77a5c561934e089/System.Data.Entity.dll ---------------------------------------- System.Core Assembly Version: 3.5.0.0 Win32 Version: 3.5.30729.1 built by: SP CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Core/3.5.0.0__b77a5c561934e089/System.Core.dll ---------------------------------------- System.Configuration Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Configuration/2.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll ---------------------------------------- System.EnterpriseServices Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_32/System.EnterpriseServices/2.0.0.0__b03f5f7f11d50a3a/System.EnterpriseServices.dll ---------------------------------------- Microsoft.VisualBasic Assembly Version: 8.0.0.0 Win32 Version: 8.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/Microsoft.VisualBasic/8.0.0.0__b03f5f7f11d50a3a/Microsoft.VisualBasic.dll ---------------------------------------- ************** JIT Debugging ************** To enable just-in-time (JIT) debugging, the .config file for this application or computer (machine.config) must have the jitDebugging value set in the system.windows.forms section. The application must also be compiled with debugging enabled. For example: <configuration> <system.windows.forms jitDebugging="true" /> </configuration> When JIT debugging is enabled, any unhandled exception will be sent to the JIT debugger registered on the computer rather than be handled by this dialog box. here is the app.config: <?xml version="1.0" encoding="utf-8"?> <configuration> <configSections> </configSections> <connectionStrings> <add name="Projects.Properties.Settings.projectsConnectionString" connectionString="server=file-server;user id=root;database=projects" providerName="MySql.Data.MySqlClient" /> <add name="Projects.Properties.Settings.projectsBELO" connectionString="server=benitoldesk;user id=root;Password=ADMIN;persist security info=True;database=projects" providerName="MySql.Data.MySqlClient" /> <add name="projectsEntities" connectionString="metadata=res://*/projects.csdl|res://*/projects.ssdl|res://*/projects.msl;provider=MySql.Data.MySqlClient;provider connection string=&quot;server=file-server;User Id=root;database=projects;password=admin44ss04i)j0;Persist Security Info=True&quot;" providerName="System.Data.EntityClient" /> </connectionStrings> <appSettings> <add key="SecurityKey" value="Benito Lopez Dominguez" /> <add key="ClientSettingsProvider.ServiceUri" value="" /> </appSettings> <system.web> <membership defaultProvider="ClientAuthenticationMembershipProvider"> <providers> <add name="ClientAuthenticationMembershipProvider" type="System.Web.ClientServices.Providers.ClientFormsAuthenticationMembershipProvider, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" serviceUri="" /> </providers> </membership> <roleManager defaultProvider="ClientRoleProvider" enabled="true"> <providers> <add name="ClientRoleProvider" type="System.Web.ClientServices.Providers.ClientRoleProvider, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" serviceUri="" cacheTimeout="86400" /> </providers> </roleManager> </system.web> </configuration>

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• Testing VSTO Applications?

  - by Matthew Sposato

  I'm developing an Word 2007 VSTO application in VS2008. The part of the application that interacts with VSTO is difficult to test. VSTO objects behave differently than most class libraries. Their state and behaviors depend on how the user is interacting with Word, where they clicked, what's around the insertion point, etc. Mock objects could work in some scenarios, but they don't capture many of the subtleties of the VSTO objects. Anyone have any experience with testing VSTO based application they can share?

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• How to debug node.js applications

  - by Fabian Jakobs

  How do I debug a node.js server application? Right now I'm mostly using alert debugging with print statements like this: sys.puts(sys.inspect(someVariable)); There must be a better way to debug. I know that google Chrome has a command line debugger. Is this debugger available for node.js as well?

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• Good GUI Design Tool to mock up iPhone & Android applications

  - by Peter Delaney

  I am about to embark on developing a mobile application for both the iPhone and the Android based phone. I have most of my gui mock ups written down on a white board and some in my head. I need to put them down on paper so I can relay my designs to others in my team. I was wondering what the best on-line gui mockup tool I could use? I have a lot of experience with Visio and I truly like it. I want a tool that would be web based so I could collaborate with others on the team. Does anyone have a suggestion for an easy gui mockup tool that I could use?

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• How does GCC compile applications that reference a static library

  - by technobrat

  I've read that the gcc compiler can perform certain optimization when compiling an application that references a static library, for instance - it will "pull" in only that code from the static library that the application depends upon. This helps keep the size of the application's executable to a minimum if portions of the static library are not being used by the app. 1) Is this true? 2) How does GCC know what code from the static library the application is actually using? Does it only look t the header files that are included (directly and indirectly) in the application and then pull code accordingly? Or does it actually look at what methods from the static library are being called?

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• Documenting applications - automation / semi-automation for screenshots?

  - by bguiz

  For me one of the biggest bores of being a developer is writing user documentation. (I am referring to the stuff that gets exported into PDF files files that ship with the product, not comments in code here). The task off adding or updating new bits of text to the existing documentation is OK. However having to take screenshots of select screens can be quite a tedious process. Is there a way to automate or even semi-automate the process of taking screenshots? The main requirement is the ability to crop images such that they contain only the window, including window manager areas (such as the title bar). The secondary requirement is that any format is OK, so long as it can be exported to PDF. EDIT: Any more biters?

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• Problems with Aero Glass in Delphi 7 applications

  - by Cralias

  Hi everyone! I'm trying to remake some of my older projects to support Aero Glass. Although it's kinda easy to enable glass frame, I've encountered some major problems. I used this code: var xVer: TOSVersionInfo; hDWM: THandle; DwmIsCompositionEnabled: function(pbEnabled: BOOL): HRESULT; stdcall; DwmExtendFrameIntoClientArea: function(hWnd: HWND; const pxMarInset: PRect): HRESULT; stdcall; bEnabled: BOOL; xFrame: TRect; // ... xVer.dwOSVersionInfoSize := SizeOf(TOSVersionInfo); GetVersionEx(xVer); if xVer.dwMajorVersion >= 6 then begin hDWM := LoadLibrary('dwmapi.dll'); @DwmIsCompositionEnabled := GetProcAddress(hDWM, 'DwmIsCompositionEnabled'); @DwmExtendFrameIntoClientArea := GetProcAddress(hDWM, 'DwmExtendFrameIntoClientArea'); if (@DwmIsCompositionEnabled <> nil) and (@DwmExtendFrameIntoClientArea <> nil) then begin DwmIsCompositionEnabled(@bEnabled); if bEnabled then begin xRect := Rect(-1, -1, -1, -1); DwmExtendFrameIntoClientArea(FrmMain.Handle, @xRect); end; end; FreeLibrary(hDWM); end; So I got the pretty glass window now. Due to black being transparent color now (kinda stupid choice, why couldn't it be pink) anything that is clBlack becomes transparent, too. It means all labels, edits, button texts... even if I set text to some other color at design time, DWM still makes them that color AND transparent. Well, my question would be - whether it's possible to solve this somehow?

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• Application/Server dependency mapping

  - by David Stratton

  I'm just curious as to whether such as tool exists (free, open source, or commercial but for a reasonable price) before I build it myself. We're looking for a simple solution to simplify taking web apps online and offline when a server is undergoing maintenance. The idea is that we be able to mark a server as unavailable, and then mark all dependent (direct and indirect) as offline. Our first proof-of-concept is running, and we created an aspx page that lists various applications that have an App_Offline.html file with a friendly "Down for Maintenance" message in a GridView. In the GridView, each app has a LinkButton that, when clicked, either renames the App_Offline.htm to App_Offline.html or vice-versa to take the app online and offline. The next step is to set up all of our dependencies. For example, our store locater would be dependent on our web services, which in turn are dependent on our SQL Server. (that's a simple example. We can easily have several layers, or one app dependent on multiple servers, etc.) In this example, if the SQL server goes down, we would need to drill down recursively to find all apps that depend on it, and then turn them off and on by renaming the App_Offline file appropriately. I realize this will be relatively simple to build, but could be complex to manage. I'm sure we're not the first team to think of this concept, and I'm wondering if there are any open source tools, or if any of you have done something similar and can help us avoid pitfalls. Edit - Update I found the category of software I'm looking for. it's called CMDB - (Configuration Management Database), and it's generally more of a Network Admin type tool than a developer tool. I found some open source products in this category, but none written in .NET. I had considered moving this question to ServerFault.com when I realized I was looking for a netowrk Admin type tool, but since I'm looking for code and a modifiable solution I'll keep the question here.

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• deploying applications that use LINQ to Entities.

  - by Luiscencio

  HI COMUNITY!!!! I want to use L2E since it s very convenient to my company's apps, I created a demo project, the demo does run on every machine but when I, lets say, press a button that has some code that uses the entity I get this error: specified store provider cannot be found in the configuration, or is not valid. note that I get this error only on machines that does not have VS2008 installed, on these machines (the ones with VS2008) the demo works well. any advice is appreciated.

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• Visual Sourcesafe, sharing: commits to wrong location

  - by Snake

  I have a project under my management. It has the following structure: $/Code/MainSolution $/Code/Branches I want to branch the MainSolution in $/Code/Branches So I do it, (it works perfectly), I set a working folder for that project and do a 'get latest'. But when I open that solution in Visual Studio 2005 it identifies every file as new (+ sign in front of the file) and when I commit it it goes to $/Data/NameOfTheBranch Why does it do that? Why doesn't it follow MY rules?

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• MSI Launch Condition to Detect Office 2010 Applications

  - by Amitd

  Hi guys, I was trying to create a setup project using VS2008. Is there anyway to detect if a particular Office 2010 application is installed or not? (as a prerequisite) .eg: i want to detect if Powerpoint 2010 is installed on client machine . I was trying to use windows installer search option in lauch condition but unable to find what is component id of powerpoint 2010? Are there any more ways to detect the same? (can be programmatic)

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• Running multiprocess applications from MATLAB

  - by Jacob

  I've written a multitprocess application in VC++ and tried to execute it with command line arguments with the system command. It runs, but only on one core --- any suggestions? Update:In fact, it doesn't even see the second core. I used OpenMP and used omp_get_max_threads() and omp_get_thread_num() to check and omp_get_max_threads() seems to be 1 when I execute the application from MATLAB but it's 2 (as is expected) if I run it from the command window.

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• WPF Binding a visual brush's visual to a different window.

  - by highone

  I need a rectangle in my settings window to display a scaled down version of of the main window. This is the non-working code that I have right now. Is it possible to do what I want to do? <Rectangle.Fill> <VisualBrush Stretch="Uniform" Visual="{Binding ElementName=local:MainWindow}" /> </Rectangle.Fill>

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• MKPinAnnotationView in iphone Applications?

  - by Srinivas G

  Hi, I developed an application related with google maps in iphone, here i want callout without tapping pin,means when pin shows in the map itself it will show the callout.I tried with MKPinAnnotationView..but it is not showing.. could any one suggest me how to show call out without tapping the pin in MKMapView; Thanks & Regards

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• Advertising with Java ME applications?

  - by Wonil

  Hello, I know AdMob is not for Java ME. Do you know any other advertising method with Java ME application?

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• Data Access Layer with Enterprise Library in Mobile Applications

  - by l2mt

  How can I use Enterprise Library to do a Data Access Layer in c# for Sql CE and .NET Compact Framework? I haven't found clear examples. I would like to learn Enterprise Library but any example will be appreciated.

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• Any good, visual HTML5 Editor or IDE?

  - by ActionFactory

  Hi All, Well it looks like Dreamweaver CS5 will try to smoother the HTML5 thing for a few more years (weeks actually). Seems like the next rung down is right to Notepad! Anyone know a good HTML5 editor with a visual/preview/style leaning? Eclispe with some pluggin? (Seems like the market will be begging for it soon.) Thanks

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• Configuring asp.net web applications. Best practices

  - by Andrew Florko

  Hello everybody, There is a lot of configurable information for a web-site: UI messages Number of records used in pagination & other UI parameters Cache duration for web-pages & timeouts Route maps & site structure ... There are many approaches to store all this information also: AppSettings (web.config) Custom sections (web.config) External xml/text files referred from web.config Internal static class(es) of constants Database table(s) ... What approaches do you usually choose for your tasks & what approaches do you find unsuitable? Thank you in advance!

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• Visual Studio T4 vs CodeSmith

  - by Jake

  I've been using CodeSmith for the past 2 years and love what it does for me. However, I also know about T4 which is built in to Visual Studio and can do some pretty cool stuff too. Based on conversations with friends T4 in VS2010 T4 is going to be even better. So the question is: do I keep riding the CodeSmith bus or is it time to start converting all of my templates to T4?

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• scripting capbability in open source iphone applications

  - by Naveen

  The appstore does not allow your app out of a sandbox or allow it an interpreter. But is there any issue with distributing open source iphone apps that have scripting capabilities ?

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• fundamentals about cracked iphone applications

  - by thndrkiss

  Hi, I am new to iphone stuff. Should a iphone or ipod touch SHOULD be jailbreak-ed for installing a cracked iphone application ?

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• Using of html5 <video> tag in web-based applications for iPhone

  - by Alexander Sharov

  As you know iPhone plays video content from < video tags in full-screen mode via internal media player. Here I have several questions: 1) is it possible to show custom text over video playing? something like subtitles appeared during movie playback. I tried several solutions like http://blog.gingertech.net/2008/12/12/attaching-subtitles-to-html5-video/, but seems they are not working in iPhone case. Ideally, I want to add some div over media player and show necessary information there. 2) is there any way to disable controls of iPhone media player. Seams it is not metter if you add "controls" attrinbute to < video tag or don't add, iPhone always switch on controls for media player. The goal for me is do not allow to user to change playback possition(user should see full movie from start to finish. Of course user can stop the video, but he can't rewind a record) Thanks for your help.

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• WPF Applications Size Vs Winforms App Size

  - by jmayor

  Does WPF compiled code is bigger or smaller than Winform compiled code? Does WPF generates more code behind that Winform does? I have a Winform App and I want to make a new version on WPF. Customers get the updates of this app by dowloading it. So my question is, If I make the application now on WPF just using the same screens how bigger can it be the compiled solution compared to the WinForm version.

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• Java EE suitablity for a social network using Cassandra datastore ??

  - by Marcos

  We are in the process of making some important technology decisions for a social networking application. We're planning to have Cassandra(a NoSQL database to support efficient data storage). We would be using Hector(a Java client) to interact with Cassandra. 1.) Would Java EE be a good choice over PHP for a social networking application in terms of performance, scalabilty & complexities? 2.) Another possible implementation strategy, Is it suitable to have backend alone in Java and rest in PHP? 3.) What differences(as compared to PHP) it makes in terms of costs at various stages of application development, deployment and maintenance ? 4.) What are the things to keep in mind as we move along with Java development& deployment(as we are relatively new to the Java background) ? 5.) If you could list some major production deployments of similar type(social network) applications in Java. Thank you!

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• Silverlight Visual Studio XAML Design view not working

  - by Piyush

  I have installed visual studio 2008 sp1, silverlight tools, silverlight sdk, silverlight toolkit 2009 but still when I open silverlight application silverlight tools are not showing on my tool window as well as silverlight XAML Design view(color code formate) is not working. Whole xaml code is coming in black color.

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