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  • PInvokeStackImbalance C# call to unmanaged C++ function

    - by user287498
    After switching to VS2010, the managed debug assistant is displaying an error about an unbalanced stack from a call to an unmanaged C++ function from a C# application. The usuals suspects don't seem to be causing the issue. Is there something else I should check? The VS2008 built C++ dll and C# application never had a problem, no weird or mysterious bugs - yeah, I know that doesn't mean much. Here are the things that were checked: The dll name is correct. The entry point name is correct and has been verified with depends.exe - the code has to use the mangled name and it does. The calling convention is correct. The sizes and types all seem to be correct. The character set is correct. There doesn't seem to be any issues after ignoring the error and there isn't an issue when running outside the debugger. C#: [DllImport("Correct.dll", EntryPoint = "SuperSpecialOpenFileFunc", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi, ExactSpelling = true)] public static extern short SuperSpecialOpenFileFunc(ref SuperSpecialStruct stuff); [StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)] public struct SuperSpecialStruct { public int field1; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)] public string field2; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 20)] public string field3; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 10)] public string field4; public ushort field5; public ushort field6; public ushort field7; public short field8; public short field9; public uint field10; public short field11; }; C++: short SuperSpecialOpenFileFunc(SuperSpecialStruct * stuff); struct SuperSpecialStruct { int field1; char field2[256]; char field3[20]; char field4[10]; unsigned short field5; unsigned short field6; unsigned short field7; short field8; short field9; unsigned int field10; short field11; }; Here is the error: Managed Debugging Assistant 'PInvokeStackImbalance' has detected a problem in 'Managed application path'. Additional Information: A call to PInvoke function 'SuperSpecialOpenFileFunc' has unbalanced the stack. This is likely because the managed PInvoke signature does not match the unmanaged target signature. Check that the calling convention and parameters of the PInvoke signature match the target unmanaged signature.

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  • What is a RECURSIVE Function in PHP?

    - by Imran
    Can anyone please explain a recursive function to me in PHP (without using Fibonacci) in layman language and using examples? i was looking at an example but the Fibonacci totally lost me! Thank you in advance ;-) Also how often do you use them in web development?

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  • Login function runs different between local and server

    - by quangnd
    Here is my check login function: protected bool checkLoginStatus(String email, String password) { bool loginStatus = false; bool status = false; try { Connector.openConn(); String str = "SELECT * FROM [User]"; SqlCommand cmd = new SqlCommand(str, Connector.conn); SqlDataAdapter da = new SqlDataAdapter(cmd); DataSet ds = new DataSet(); da.Fill(ds, "tblUser"); //check valid foreach (DataRow dr in ds.Tables[0].Rows) { if (email == dr["Email"].ToString() && password == Connector.base64Decode(dr["Password"].ToString())) { Session["login_status"] = true; Session["username"] = dr["Name"].ToString(); Session["userId"] = dr["UserId"].ToString(); status = true; break; } } } catch (Exception ex) { } finally { Connector.closeConn(); } return status; } And call it at my aspx page: String email = Login1.UserName.Trim(); String password = Login1.Password.Trim(); if (checkLoginStatus(email, password)) Response.Redirect(homeSite); else lblFailure.Text = "Invalid!"; I ran this page at localhost successful! When I published it to server, this function only can run if email and password correct! Other, error occured: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) I tried open SQL Server 2008 Configuration Manager and enable SQL Server Browser service (Logon as:NT Authority/Local Service) but it stills error. (note: here is connection string of openConn() at Localhost (run on SQLEXpress 2005) connectionString="Data Source=MYLAPTOP\SQLEXPRESS;Initial Catalog=Spider_Vcms;Integrated Security=True" /> ) At server (run on SQL Server Enterprise 2008) connectionString="Data Source=SVR;Initial Catalog=Spider_Vcms;User Id=abc;password=123456;" /> anyone have an answer for my problem :( thanks a lot!

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  • Turn Function or Stored Procedure Result into "live" Result for LINQ

    - by Alex
    Is it possible to turn result sets obtained in LINQ through a stored procedure or function call into a "live" set of objects of which I can retrieve Foreign Key related objects? If, for example, my stored procedure returns a set of rows (= LINQ objects) of type "Contact", then I can't seem to obtain Contact.BillingAddress (which is related by Foreign Key). Any idea how to make this work?

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  • Perform a function at a specific time in VB.NET

    - by Shardul
    Hi, I am writing a small app to automatically connect my PC to the internet at a certain time.. I am using rasdial.exe for it... Private Sub SetIt_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click Dim windir As String = Environment.GetEnvironmentVariable("WINDIR") Shell(windir & "\system32\rasdial.exe", AppWinStyle.NormalNoFocus) End Sub My question is how to make the shell function run at a specified time or after a certain interval?? Regards, Shardul

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  • SQl function in android

    - by rui.pereira
    Cursor cursor = db.rawQuery("SELECT COUNT(rat) FROM "+ TABLE_NAME_EXTRA +" apkid=\""+apkid, null); cursor.moveToFirst(); int somatotal = cursor.getInt(0); I'm trying to do a SQL function like count and sum, but this code returns a exception saying "emptyvalues". anyone know why?

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  • working as expectedJQuery load function with fading effects not working as expected

    - by Roland
    I have the following scenario jQuery('#content').fadeOut('slow',function(){ jQuery('#content').load("detail.php?product="+imgID+"&category="+cat); jQuery('#content').fadeIn('fast'); }); My problem however is that all the effects happen and when the effects are done, then only the contents of the PHP file loads into content, is there a better way so that the content is not slow in loading

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  • Unix crypt() function in smalltalk/pharo

    - by jdinuncio
    Hello, I want to encode passwords for UNIX accounts using the crypt function. I'm using pharo 1.0. I tried to install the crypto package from squeakmap, but it gaves me an error and the package seem to get partially installed (categories without class). How can I get my password crypted? I'm willing to invoke external code, if it is required (and there's a package in SqueakMap that makes the trick in pharo). Thanks.

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  • c# Resize Function

    - by Tyler
    So my logic is flawed and I need a better and correct way to resize an image in my c# app I need a function similar to this setup public void ResizeImageForWeb(string OriginalFile, string NewFile, int MaxWidth, int MaxHeight, int Quality) { // Resize Code } Basically, I'm a web designer lost trying to programming a desktop app.

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  • how to write a function to output unconstant loop with PHP

    - by tunpishuang
    here is the function description test($argv) $argv is an array , for example $argv=array($from1,$to1,$from2,$to2.....); array items must be even. $argv=array(1,2,4,5) : this will output values like below: 1_4 1_5 2_4 2_5 the number of arrray $argv's is not constant. maybe 3 or 4 levels of loop will be outputed. i know this will used RECURSIVE , but i don't know exatly how to code.

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  • haskell recursive function

    - by snorlaks
    Hello, Please help me with writing function which takes two arguments : list of ints and index (int) and returns list of integers with negative of value on specified index position in the table MyReverse :: [Int]-Int-[Int] for example myReverse [1,2,3,4,5] 3 = [1,2,-3,4,5] if index is bigger then length of the list or smaller then 0 return the same list. Thanks for help

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  • javascript function is not getting called onclick of hx:commandButton

    - by Sunny Mate
    When I click on the hx:commandButton the method should get called but the method is not getting called. My code is as follows: function test() { alert('ss'); return "true"; } and method calling is : <hx:commandExButton type="submit" value="Search" styleClass="action2" id="searchButton" onclick="return test();" action="#{pc_WorkInProgressUserGrid.doSearchButtonAction}" immediate="true"> </hx:commandExButton> Any suggestion would be helpful.

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  • virtual function

    - by hitech
    class a { virtual void foo(void) ; }; class b : public a { public: virtual void foo(void) { cout<< "class b"; } }; int main ( ) { class a *b_ptr = new b ; b_ptr->foo(); } please guide me why the b_ptr-foo() will not call the foo() function of the class b?

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  • php search function

    - by Luke
    I am attempting to create a search function for user profiles on my site. $search= $_POST['search']; $res=mysql_query("SELECT * FROM ".TBL_USERS." WHERE username LIKE '$search%'"); This is the code I use. This will only work if you search something that matches the start of the result. Is there any way I can return values that have what i type as part of the username regardingless of upper or lower cases? Thankyou

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  • C : crypt function

    - by kiruthika
    Hi all, I have used the crypt function in c to encrypt the given string. I have written the following code, #include<stdio.h> #include<unistd.h> int main() { printf("%s\n",crypt("passwd",1000)); } But the above code threw an error ,"undefined reference to `crypt'". What is the problem in the above code. Thanks in advance.

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  • Javascript AJAX function not working in IE?

    - by Sam152
    I have this code: function render_message(id) { var xmlHttp; xmlHttp=new XMLHttpRequest(); xmlHttp.onreadystatechange=function() { if(xmlHttp.readyState==4) { document.getElementById('message').innerHTML=xmlHttp.responseText; document.getElementById('message').style.display=''; } } var url="include/javascript/message.php"; url=url+"?q="+id; xmlHttp.open("GET",url,true); xmlHttp.send(null); } For some reason it does not work in IE and an error is being reported on this line "document.getElementById('message').innerHTML=xmlHttp.responseText;" with an "Unknown Runtime Error". Can anyone help? Edit: The code being added to the div is valid code ect. Here is the response: <div style="margin-left:auto;margin-right:auto;width:400px;"> <img src="/forum/img/avatars/2.gif" width="90" height="89" style="float:left;"> <div style="margin-left:100px;"> <span style="font-size:16pt;">Sam152</a></span><br> <span style="font-size:10pt;text-transform:uppercase;font-weight:bold;">From Sam152</span><br> <span style="font-size:10pt;font-weight:bold;">Recieved April 17, 2009, 9:44 am</span><br> <br><br> </div> </div> <div style="margin-left:auto;margin-right:auto;width:400px;"> asd</div> <div style="margin-left:auto;margin-right:auto;width:400px;text-align:right;padding-top:10px;"> <span onClick="requestPage('http://www.gametard.com/include/scripts/delete_message.php?id=14');document.getElementById('message14').style.display='none';document.getElementById('message').style.display='none';" class="button">Delete</span> <span onClick="document.getElementById('message').style.display='none';" class="button">Close</span> <span onClick="document.getElementById('to').value ='Sam152';document.getElementById('to').style.color ='#000';document.getElementById('newmessage').style.display='';" class="button">Reply</span> </div>

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  • c++ how to write code for atoi and find in a function called getTriplet()

    - by Gerri
    Hello I am trying to write code for a function called Triplet getTriplet() and I must use find and atoi in this fuction to call the array[3] = {0, 1, 2} and find the "," and find the "()" in the program? I am so lost. I have read and read and cannot locate any informatin which really touches on the subjects enough to give me an understanding of what I am suppose to do. Please help if you can! Thanks in advance.

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  • PL/SQL Logical Operators evaluate whole function

    - by Chris
    I know in C like languages logical operators are evaluated one at a time so: false && really_expensive_function() is doesn't result in the function being called (I can't remember the CS name for this). Does the same happen in PL/SQL or do I need to break the IF parts out to separate blocks?

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