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• Silverlight 3 + DataGrid.SelectedItems Question

  - by user208662

  Hello, I am binding a collection of MyItem class instances to a DataGrid. The MyItem class has a property called "IsSelected". This property can get changed programmatically. How do I propogate that change back to the UI such that if this value is true, the row associated with MyItem is highlighted (selected) and if it is false, the row associated with MyItem is not highlighted? Thank you,

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• useUnsafeHeaderParsing in winndows service application

  - by j d

  have a VS2005 windows service where i have the need to use 'useUnsafeHeaderParsing' as per documentation from MSDN. as this is a library used within my windows service, i do not have a web.config to add httpwebrequest element and set useUnsafeHeaderParsing to true. How would i go about achieving this in code. I tried link text and link text but that was a no show.

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• "The operation has timed out" when trying to send email

  - by user1718859

  protected void Button1_Click(object sender, EventArgs e) { try { SmtpClient sm = new SmtpClient(); MailMessage ms = new MailMessage(); ms.To.Add(new MailAddress(TextBox1 .Text )); ms.Subject = TextBox2.Text; ms.Body = TextBox3.Text; ms.IsBodyHtml = true; sm.Send(ms); } catch (Exception el) { Response.Write(el.Message); } }

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• Regular Expression to match a string

  - by Adam Witko

  Hi, I've got two possible string inputs that my application will receive, and if it matches the following two strings, I need it regex.ismatch() to return true: "User * has logged out" "User * has joined" I'm not that good at regex and just can't figure out how to go about matching the above. Any help would be great!!!

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• Java: Writing a DOM to an XML file (formatting issues)

  - by Vhaerun

  I'm using org.w3c XML API to open an existing XML file. I'm removing some nodes , and I'm adding others instead . The problem is that the new nodes that are added are written one after another , with no newline and no indentation what so ever. While it's true that the XML file is valid , it is very hard for a human to examnine it. Is there anyway to add indentation , or at least a newline after each node ?

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• Does return value of matlab function depends on how it's called?

  - by user198729

  A = imread(filename, fmt) [X, map] = imread(...) The above is in the synopsis part of imread,which seems to say the return value of matlab function depends on how it's called?Is that true?

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• [C#] Apparently it's important to use Int32 instead of int when messing with DLLImport stuff?

  - by Rudi

  In C#, when messing with that system DLLImport/(unmanaged?) code stuff, I read somewhere it's important to use Int32 exact type instead of int. Is this true? And can someone please elaborate on why it's important to do this?

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• NUnit, is it possible to continue executing test after Assert fails?

  - by m.bagattini

  In a test that contains some asserts, for example: Assert.AreEqual(1,1); Assert.AreEqual(2,1); Assert.AreEqual(2,2); is it possible to let the test keep running after it fails at some point? In the example, first condition is true, second fails and the test stops. I'd like to evaluate also the following condition.

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• validates_associated not honoring :if

  - by James Ferguson

  I'm totally blocked on this. See this pastie for sample code: http://pastie.org/990040 The first test will fail. The user model validates an associated address model, but is only supposed to do it if a flag is true. In practice it does it all the time. What is going on?

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• How to access the first value from an object in C#3.0

  - by Newbie

  How can I access the first value from object t = (object) wsf.LinEst(y.ToArray(), x.ToArray(), false, true); The output is object[1..5, 1..2]} [1, 1]: 0.17134831460674155 [1, 2]: 0.0 [2, 1]: 0.019612696690686725 [2, 2]: -2146826246 [3, 1]: 0.95020429009193053 [3, 2]: 0.82746057986828336 [4, 1]: 76.328205128205056 [4, 2]: 4.0 [5, 1]: 52.261235955056179 [5, 2]: 2.7387640449438226 I need to get only [1,1] 's value i.e. 0.17134831460674155 How to get that. The linEst return an object only. I am using C#3.0 Thanks Thanks

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• DIV Vs TABLE. Which one is best ?

  - by Ayyappan.Anbalagan

  My team members don’t support the use of tables. they div is much faster then div.Is that true??

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• Any reasons not to gzip?

  - by Haroldo

  I remember someone telling me that gzipped content is not cached on some browsers? is this true? Are there any other reasons why I shouldn't gzip my content (pages, javascript and css files) with htaccess?

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• Where are constant NSStrings allocated?

  - by Andrew Toulouse

  I understand that constant CStrings are allocated statically, rather than on the heap. I also noticed that constant NSStrings have an infinite retain count. Does it hold true that constant NSStrings are also allocated statically, rather than on the heap?

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• Preg_match if a string beginns with "00"{number} or "+"{number}

  - by streetparade

  Hy i have to test if a string begins with 00 or with + Say i have the string 0090 or +41 if the string begins with 0090 return true, elseif string begins with +90 replace the + with 00 else return false The last two digits can be from 0-9 How do i do that in php? I hope i could explain my question clear?

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• Help me with LINQ to entities query, please

  - by plotnick

  I need to build a query to the entities to get records including: AssetWeapon, PersonOut number of records with IsIn = True, number of records with IsIn = False, name of the month of StartTime, Records should be grouped by AssetWeapon thank you guys!

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• Are multiple forms on a single page supported in asp.net 3.5?

  - by Dom

  I just wanted to confirm if this was true or not - I remember reading somewhere that it was now possible, but after an hour of googling i cant find any definitive proof. Thanks!

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• quiz ; does this compile and if so what does it return (I know the answer)

  - by pm100

  found this typo recently if (name.find('/' != string::npos)) I was amazed that it even compiles at -Wall -Werror (didnt try with -pedantic) so coffee quiz - does it eval to true or false

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• Default parameters in ActionScript 3.0

  - by camusgroup

  I have a function, for example function test(p1:int=7,p2:Boolean=true,p3:uint=0xffff00,p4:Number=55.5) { //instructions } How to change only p4, for example, and parameters p1,p3,p3 was still default? Next time I want to change for example only p2, and parameters p1,p3,p4 was still default? etc.

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• I call session_start() the script hangs and nothing happens

  - by shovon

  I am running php5, however as soon as I call session_start() the script hangs and nothing happens. Is anyone else experiencing this problem, or am I doing something incorrectly? I am using session_start() on index.php and for some reason sometimes it'll fail. No warnings, no errors, no notices, not even after prepending error_reporting(E_ALL) and ini_set('display_errors', TRUE) before session_start() do I see anything, it just plain dies.

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• CodeIgniter: is $_POST already clean for db input?

  - by Shishant

  Hello, This is my first app with CI and I want to know whether $_POST is clean and can I directly insert the data into db? I have enabled $config['global_xss_filtering'] = TRUE; Thank You.

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• quick java question

  - by mark

  hi, im currently learning stacks in java and have a quick question. what will the following code display if the stack is empty? my guess would be "true"? System.out.println(st.isEmpty());

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• Scrollbar moves back after WM_VSCROLL

  - by user146780

  I have a window with its own H and V scrolling. I'm handling the event like this: case WM_VSCROLL: SetScrollPos(hWnd, SB_VERT, (int)HIWORD(wParam), TRUE); break; all I want is for the position of the scroll bar to stay once I release my mouse but what it's doing is just going back to the top after. What am I doing wrong? Thanks

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• Does this behavior exist in all major databases?

  - by user198729

  mysql> select 0.121='0.121'; +---------------+ | 0.121='0.121' | +---------------+ | 1 | +---------------+ Does it hold for other database that number='number' is true?

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• AS3 - Can I know if a class implements an interface (or is a subclass of another class) ?

  - by lk

  With this code function someFunction(classParam:Class):Boolean { // how to know if classParam implements some interface? } i.e. Comparing classParam with IEventDispatcher interface: someFunction(EventDispatcher) // returns true someFunction(Object) // returns false I know it can't be done with is operator. But, is there a way to do it? Is there a way to know if a class implements some interface? (or is a subclass of another class?)

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• C++ Edit Box Text Change

  - by user1218395

  Is their any cases in C++ Like these case WM_COMMAND: switch(LOWORD(wParam)) That happen when you change the text of a edit Box, I need to call a function when i change in edit box and store the value of the edit box into a Integer. case EditCD: //ID of your edit { if (HIWORD(wParam) == EN_CHANGE) MessageBox(hwnd, "Text!", "Test!", MB_OK); return TRUE; } Doesnt work did i do it wrong?

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