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  • programming question about numbers

    - by Syom
    it's a task, on which i think during whole day. i have four integer numbers a, b, c, d, and ineger x[1,40]. i must write a program, which can find the values of {a,b,c,d}, for which one of following equations is true for any (x<=40, x=1) x=a or x=b or x=a+b or x=a+b+c+d or x+a=c+d or x+a+b=c+d or ... x+a+b+c=d or ... it is very difficult to explain what i want to say. maybe the example will be helpful. example: if x=17, by {a=1,b=2,c=5,d=15} i can write x+a+b=c+d whole question is to present any x[1,40] by {a,b,c,d}. hope that you understand what i want to say, and thanks in advance

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  • VB dataset issue

    - by Gabriel
    Hi. The idea was to create a message box that stores my user name, message, and post datetime into the database as messages are sent. Soon came to realise, what if the user changed his name? So I decided to use the user id (icn) to identify the message poster instead. However, my chunk of codes keep giving me the same error. Says that there are no rows in the dataset ds2. I've tried my Query on my SQL and it works perfectly so I really really need help to spot the error in my chunk of codes here. Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Dim name As String Dim icn As String Dim message As String Dim time As String Dim tags As String = "" Dim strConn As System.Configuration.ConnectionStringSettings strConn = ConfigurationManager.ConnectionStrings("ufadb") Dim conn As SqlConnection = New SqlConnection(strConn.ToString()) Dim cmd As New SqlCommand("Select * From Message", conn) Dim daMessages As SqlDataAdapter = New SqlDataAdapter(cmd) Dim ds As New DataSet cmd.Connection.Open() daMessages.Fill(ds, "Messages") cmd.Connection.Close() If ds.Tables("Messages").Rows.Count > 0 Then Dim n As Integer = ds.Tables("Messages").Rows.Count Dim i As Integer For i = 0 To n - 1 icn = ds.Tables("Messages").Rows(i).Item("icn") Dim cmd2 As New SqlCommand("SELECT name FROM Member inner join Message ON Member.icn = Message.icn WHERE message.icn = @icn", conn) cmd2.Parameters.AddWithValue("@icn", icn) Dim daName As SqlDataAdapter = New SqlDataAdapter(cmd2) Dim ds2 As New DataSet cmd2.Connection.Open() daName.Fill(ds2, "PosterName") cmd2.Connection.Close() name = ds2.Tables("PosterName").Rows(0).Item("name") message = ds.Tables("Messages").Rows(i).Item("message") time = ds.Tables("Messages").Rows(i).Item("timePosted") tags = time + vbCrLf + name + ": " + vbCrLf + message + vbCrLf + tags Next txtBoard.Text = tags Else txtBoard.Text = "nothing to display" End If End Sub Help will be very much appreciated as I have been on this simple problem for 2 days.

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  • VS 2010 Doesn't recognize Middleware DLLs

    - by Amit
    Hi I have VS 2010 Ultimate installed on Win 7 Enterprise (32 bit). In my middleware I have some DLLS referred. If i try to build the solution, some of the DLLs are not getting recogninized and the solution will not build. The same solution builds fine on VS 2008. Any Idea why this happens?

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  • Outlook Folder Browse Dialog???

    - by Ike
    Hello there, I'm hoping someone could help me with a quick point in the right direction. ALL I NEED is the Outlook folder browser dialog call. I am developing some plugins for Outlook using C# and this is a crucial part for both plugins. Hopefully, it is like a standard DialogResult that passes back folder information (selected folder) so that I can use this info for further processing. Can anyone help me? Thanks in advance.

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  • OpenCv Error ( unhandeld exeption) after execute

    - by hamza
    Hi , i m using VS2010 i m trting to make a gray image more bright , the code did compile normaly but no change in the seconde picture , and an error message ( undhadled exeception .. .. ) showed up after that the execute is done showed up here is a peace of my code : int main(int argc, _TCHAR* argv[]) { IplImage *img = cvLoadImage("mra.jpg"); if (!img) { printf("Error: Couldn't open the image file.\n"); return 1; } //IplImage* new_image = getlargersize(img); double Min , Max ; Min = Max = 0 ; Max_Min (img , &Min , &Max); cout<<"the max value in the picture is :"<<Min<<" and the minimum value is :"<<Max<<endl ; IplImage* img2 = eclaircir(Min ,Max ,img); cvNamedWindow("Image:", CV_WINDOW_AUTOSIZE); cvNamedWindow("Image2:", CV_WINDOW_AUTOSIZE); cvShowImage("Image2:", img2); cvShowImage("Image:", img); cvWaitKey(0); cvDestroyWindow("Image2:"); cvDestroyWindow("Image:"); cvReleaseImage(&img2); cvReleaseImage(&img); return 0; } void Max_Min(IplImage* temp , double *min , double *max ){ CvScalar pix ; for (int i = 0 ; i < temp->height ; i++){ for (int j = 0 ; j < temp->width ; j++){ pix = cvGet2D(temp , i , j); if ( pix.val[0] >= *max ){ *max = pix.val[0]; } if ( pix.val[0] <= *min){ *min = pix.val[0]; } } } } IplImage* eclaircir (double min , double max , IplImage* image){ double temp = max - min ; CvScalar pix ; for (int i = 0 ; i < image->height ; i++){ for (int j = 0 ; j < image->width ; j++){ pix = cvGet2D(image , i , j); pix.val[0] = ( pix.val[0] - min)*255 ; pix.val[0] = pix.val[0]/temp ; cvSet2D(image , i , j , pix ); } } return image ; } thanks

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  • clicking browser back button is opening a link in the previous page.

    - by Jebli
    I am using the below code protected void lnk_Click(object sender, EventArgs e) { try { string strlink = ConfigurationManager.AppSettings["link"].ToString().Trim(); StringBuilder sb = new StringBuilder(); sb.Append("<script type = 'text/javascript'>"); sb.Append("window.open('"); sb.Append(strlink); sb.Append("');"); sb.Append("</script>"); ClientScript.RegisterStartupScript(this.GetType(), "script", sb.ToString()); } } In the page there are two links. When i click the first link it opens a window in a new page. I do this by using the above code. I am clicking the second link in the page and navigating to another page. Now i am clicking the browser back button. Supprisingly its opening the first link. How clicking back button is opening the link in the page. I am using c# .net 2005. Please help. Thanks. Regards,enter code here Radha A

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  • How do I append Word templates to a new document in VB.NET?

    - by Tom
    I'm poking around to see if this app can be done. Basically the end user needs to create a bunch of export documents that are populated from a database. There will be numerous document templates (.dot) and the end result will be the user choosing templates x y and z to include for documentation, click a button and have the app create a new Word document, append the templates, and then populate the templates with the appropriate data. The reason it needs to be done in Word as opposed to something like Crystal Reports is that the user may customize some fields before printing the documents as it can vary from export to export. Is this possible to do through VB.NET (VS 2010)? I assume it is but I'm having difficulty tracking down a solution. Or alternatively is there a better solution? Here's what I have so far (not much I know) Import Microsoft.Office.Interop Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim oWord As Word.Application Dim oDoc As Word.Document oWord = CreateObject("Word.Application") oWord.Visible = False oDoc = oWord.Documents.Add 'Open templates x.dot, y.dot, z.dot 'Append above templates to new document created 'Populate new document oWord.Visible = True End Sub End Class Thanks.

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  • Active Directory Membership Provider - how to expand on this?

    - by Jaxidian
    I'm working on getting an MVC app up and running via AD Membership Provider and I'm having some issues figuring this out. I have a base configuration setup and working when I login as [email protected] + password. <connectionStrings> <add name="MyConnString" connectionString="LDAP://domaincontroller/OU=Product Users,DC=my,DC=domain,DC=com" /> </connectionStrings> <membership defaultProvider="MyProvider"> <providers> <clear /> <add name="MyProvider" connectionStringName="MyConnString" connectionUsername="my.domain.com\service_account" connectionPassword="biguglypassword" type="System.Web.Security.ActiveDirectoryMembershipProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" /> </providers> </membership> However, I'd LIKE to do some other things and I'm not sure how to go about them. Login without typing the domain (i.e. the "@my.domain.com"). I realize that this could only work if I limit myself to just one domain - that's fine. Organize users in up to N different OUs within a single OU. As you can tell from my current connection string, I'm authenticating users in my Product Users OU. I would LIKE to create OUs for various companies within this OU and put the users into those OUs. How can I authenticate across all of these different OUs? I'm trying to figure out how the Active Directory Membership Provider ties in with the Profile and Role providers. Are there AD versions of those too or am I stuck with SQL, home-grown, or finding something somebody else has coded up? Many thanks!!

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  • DesignTime support for SharePoint 2007 Application Pages in VS2008

    - by JSC
    Is there design time support in VS2008 for SharePoint Application Pages? I've wrote an SPService and I want to develop an UI for the properties who are necessary for running this SPService. But I can't manage to get design time support in VS2008. I'm creating an custom ASPX which inherits from GlobalAdminPage and has the "_admin/admin.master" masterpage. Thanx in advance!

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  • Including javascript files from other projects inside the same solution

    - by gnomixa
    I have a project called WebResources where I have all the JS files that I intend to use in 2 other projects (all three projects sit in the same solution). I just spent 2 hours playing around with the file paths and VS just doesn't see the JS file (unless I specify the full path with the drive letter). Is there a trick to including javascript files relatively from other projects? My file structure is something like: Project1 Default.aspx Project2 WebResourcesProject /js testToInclude.js No matter how I try to include testToInclude.js inside Default.aspx, VS doesn't see it. Any ideas?

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  • High precision event timer

    - by rahul jv
    #include "target.h" #include "xcp.h" #include "LocatedVars.h" #include "osek.h" /** * This task is activated every 10ms. */ long OSTICKDURATION; TASK( Task10ms ) { void XCP_FN_TYPE Xcp_CmdProcessor( void ); uint32 startTime = GetQueryPerformanceCounter(); /* Trigger DAQ for the 10ms XCP raster. */ if( XCPEVENT_DAQ_OVERLOAD & Xcp_DoDaqForEvent_10msRstr() ) { ++numDaqOverload10ms; } /* Update those variables which are modified every 10ms. */ counter16 += slope16; /* Trigger STIM for the 10ms XCP raster. */ if( enableBypass10ms ) { if( XCPEVENT_MISSING_DTO & Xcp_DoStimForEvent_10msRstr() ) { ++numMissingDto10ms; } } duration10ms = (uint32)( ( GetQueryPerformanceCounter() - startTime ) / STOPWATCH_TICKS_PER_US ); } What would be the easiest (and/or best) way to synchronise to some accurate clock to call a function at a specific time interval, with little jitter during normal circumstances, from C++? I am working on WINDOWS operating system now. The above code is for RTAS OSEK but I want to call a function at a specific time interval for windows operating system. Could anyone assist me in c++ language ??

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  • VS 2005 Class Diagram View format

    - by Jebli
    Hi, I have generated class diagram by gight clicking and selecting generate class diagram usign VS 2005. There are nearly 300 class in my project . The class diagram that i have created is not in expanded view. I have to manually expand the class diagrams to view the members. Is there any way to expand the classdiagrams that are created . Regards, Jebli.

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  • where does a novice begin with error logging in asp.net c# ?

    - by korben
    i'm a novice teaching myself asp.net in c# via trial and error learn by doing, unfortunately this means lots of errors! i have a custom errors page now that is basically a 404 so that site visitors don't get that ugly application error message .NET throws, but i WOULD like to be able to see what's going wrong myself as people use the site. so i'm looking to build or learn from a fairly basic error logging c# class, that will send the same information given in a browser when hitting a .NET error, send this into a TXT file and email me the error at the same time would be great i don't know where to even begin, can someone give me some pointers? an open source class that does this already that i could plugin and play with would work as well. otherwise some links or guidance on where to start reading would be great too. i sort of have a mental block on understand msdn info-dump pages though, i'm hoping to find some articles on real people talking about implementing the same thing themselves or something like that please note i'm not looking to use some extensive or complicated third party service for this, i'm hoping to learn from the process of implementing a concise customized one

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  • CCNet exception during build of vs2010 project

    - by sonee
    We have two build machines. Lately, we've migrated our projects to vs2010 from vs2005. But the problem is that one of the machines occurs error during build. Another machine works well, but just one machine shows error. The differences between the machines are os and computer spec. The machine which is working well is installed windows server 2003 and the other is windows7. the error message is unhandled exception: System.NullReferenceException: Microsoft.VisualStudio.Shell.ThreadHelper.InvokeOnUIThread(InvokableBase invokable) Microsoft.VisualStudio.Shell.ThreadHelper.Invoke(Action action)Microsoft.VisualStudio.Project.VS.Implementation.VSShellServices.InvokeOnUIThread(Action method) Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.ApartmentMarshaler.Invoke(Action method) Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.VCConfigBuildJob.BuildCompleted(BuildSubmission ar) Microsoft.VisualStudio.Project.Contracts.Implementation.BuildProjectBase.BuildCompletedCallbackManager.BuildCompleted(BuildSubmission buildSubmission) Microsoft.Build.Execution.BuildSubmission.<CheckForCompletion>b__0(Object state) System.Threading.QueueUserWorkItemCallback.WaitCallback_Context(Object state) System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx) System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem() System.Threading.ThreadPoolWorkQueue.Dispatch() System.Threading._ThreadPoolWaitCallback.PerformWaitCallback() Curiously enough, when I run building project in command line on the machine which occurs error, it works well. The machine just shows error when launched by ccnet. I've installed latest version of ccnet to all machines. Is there anybody who faced like this problem?

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  • Multithreading A Function in VB.Net

    - by Ben
    I am trying to multi thread my application so as it is visible while it is executing the process, this is what I have so far: Private Sub SendPOST(ByVal URL As String) Try Dim DataBytes As Byte() = Encoding.ASCII.GetBytes("") Dim Request As HttpWebRequest = TryCast(WebRequest.Create(URL.Trim & "/webdav/"), HttpWebRequest) Request.Method = "POST" Request.ContentType = "application/x-www-form-urlencoded" Request.ContentLength = DataBytes.Length Request.Timeout = 1000 Request.ReadWriteTimeout = 1000 Dim PostData As Stream = Request.GetRequestStream() PostData.Write(DataBytes, 0, DataBytes.Length) Dim Response As WebResponse = Request.GetResponse() Dim ResponseStream As Stream = Response.GetResponseStream() Dim StreamReader As New IO.StreamReader(ResponseStream) Dim Text As String = StreamReader.ReadToEnd() PostData.Close() Catch ex As Exception If ex.ToString.Contains("401") Then TextBox2.Text = TextBox2.Text & URL & "/webdav/" & vbNewLine End If End Try End Sub Public Sub G0() Dim siteSplit() As String = TextBox1.Text.Split(vbNewLine) For i = 0 To siteSplit.Count - 1 Try If siteSplit(i).Contains("http://") Then SendPOST(siteSplit(i).Trim) Else SendPOST("http://" & siteSplit(i).Trim) End If Catch ex As Exception End Try Next End Sub Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim t As Thread t = New Thread(AddressOf Me.G0) t.Start() End Sub However, the 'G0' sub code is not being executed at all, and I need to multi thread the 'SendPOST' as that is what slows the application.

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  • Link error for user defined class type template parameter

    - by isurulucky
    Hi, I implemented a Simple STL map in C++. Factored out the comparison as a type as I was instructed to, then implemented the comparison as shown below: template <typename T> int KeyCompare<T>::operator () (T tKey1, T tKey2) { if(tKey1 < tKey2) return -1; else if(tKey1 > tKey2) return 1; else return 0; } here, tKey1 and tKet2 are the two keys I'm comparing. This worked well for all the basic data types and string. I added a template specialization to compare keys of a user defined type named Test and added a specialization as follows: int KeyCompare<Test>::operator () (Test tKey1, Test tKey2) { if(tKey1.a < tKey2.a) return -1; else if(tKey1.a > tKey2.a) return 1; else return 0; } when I run this, I get a linking error saying SimpleMap.obj : error LNK2005: "public: int __thiscall KeyCompare::operator()(class Test,class Test)" (??R?$KeyCompare@VTest@@@@QAEHVTest@@0@Z) already defined in MapTest.obj SimpleMap.obj : error LNK2005: "public: __thiscall KeyCompare::~KeyCompare(void)" (??1?$KeyCompare@VTest@@@@QAE@XZ) already defined in MapTest.obj SimpleMap.obj : error LNK2005: "public: __thiscall KeyCompare::KeyCompare(void)" (??0?$KeyCompare@VTester@@@@QAE@XZ) already defined in MapTest.obj MapTest.cpp is the test harness class in which I wrote the test case. I have used include guards as well, to stop multiple inclusions. Any idea what the matter is?? Thank you very much!!

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  • Do I have to remove VS 2010 beta1 in order to get a web app to work on asp.net 2.0?

    - by Galilyou
    I think the title is enough :). I have VS 2010 beta1 installed, and I wish to run an asp.net mvc application on my local IIS. The problem is, the asp.net 4.0 runtime is selected by default for all the web sites, when I try to change it to asp.net 2.0, I get the following error message: I click yes, then ok, and when I get back to the ASP.NET tab of my site's properties, I see the 4.0 version is selected back again! Do I have to remove VS 2010 in order to get this to work? (hopefully not) Ps: I'm using windows XP and IIS 5.1

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  • Is there a strategy to back-port C# code?

    - by ianmayo
    Hi all, I intend using the Argotic framework in support of a .Net Atom server. Unfortunately my target server (over which I have no control) only has .Net 1.1 - any the Argotic library is only in .Net 2 and 3.5. So, I now need to back-port the code to 1.1. Can anybody provide any strategic tips for this undertaking? I'm aware of the merits of using Unit Tests to verify the ported code (here). should I be looking for automated tools? should I just import the code into VS2003 .Net 1.1 project and work through the compiler warnings? Any tips appreciated. cheers, Ian

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  • Strongly typed `enum`s in VS10?

    - by Motti
    This question pointed to a wiki page for C++0x support which lists Strongly typed enums as Partially supported in VS10. However this creates a compilation error: enum class boolean { no, yes, maybe }; Any idea what constitutes partial support when the basic syntax isn't accepted?

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