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Articles indexed in March 2010

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  • Adding a calculated field to a Query at run time.

    - by JamesB
    I'm getting data using a query in Delphi, and would like to add a calculated field to the query before it runs. The calculated field is using values in code as well as the query so I can't just calculate it in SQL. I know I can attach an OnCalcFields Event to actually make the calculation, but the problem is after adding the calculated field there are no other fields in the query... I did some digging and found that all of the field defs are created but the actual fields are only created if DefaultFields then CreateFields Default Fields is specified procedure TDataSet.DoInternalOpen; begin FDefaultFields := FieldCount = 0; ... end; Which would indicate that if you add fields you only get the fields you added. I would like all the fields in the query AS WELL AS the ones I Add. Is this possible or do I have to add all the fields I'm using as well?

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  • Clearing Only inner text and not the childnodes

    - by Ravisha
    I have an xml as below < Image>ImageValue11 <Type>png<Type> <Value>ImageValue11</ Value> </ Image> Here ImageValue1 is present in two places.I want to remove innerText for Image node which is the parent.For which i am usign below code XmlNode customImageNode = imagedoc.SelectSingleNode("//Image"); customImageNode.InnerText = string.empty; But this is clearing the child nodes as well.Please let me know how to clear this test off .Looking for a generic solution.

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  • Sending a Soap Header with a WSDL Soap Request with PHP

    - by Josh Smeaton
    I'm extremely new to SOAP and I'm trying to implement a quick test client in PHP that consumes a ASP.NET web service. The web service relies on a Soap Header that contains authorization parameters. Is it possible to send the auth header along with a soap request when using WSDL? My code: php $service = new SoapClient("http://localhost:16840/CTI.ConfigStack.WS/ATeamService.asmx?WSDL"); $service->AddPendingUsers($users, 3); // Example webservice [SoapHeader("AuthorisationHeader")] [WebMethod] public void AddPendingUsers(List<PendingUser> users, int templateUserId) { ateamService.AddPendingUsers(users, templateUserId, AuthorisationHeader.UserId); } How would the auth header be passed in this context? Or will I need to do a low lever __soapCall() to pass in the header? Also, am I invoking the correct soap call within PHP?

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  • How do you manage private queue permissions on a windows server 2008 cluster?

    - by David
    On windows server 2003 there was an option to allow a resource to interact with the desktop, this allowed you to run computer management mmc snap-in on the virtual name of the cluster, allowing you to manage permissions of the private message queues on the cluster. Windows Server 2008 failover clustering has removed that checkbox, so applications can no longer interact with the desktop. My question is then how does one go about managing private queue permissions on the clustered (the virtual name) server?

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  • Mouse and touchpad move at different speeds

    - by Juan Manuel
    I have a compaq 610 running windows 7, and I use a USB mouse on it. The pointer speed is different for the mouse and the touchpad, so when I go to a meeting and take the notebook but not the mouse, the pointer moves too slow using the touchpad and I have to manually adjust it (of course when I return, I have to slow it down because the mouse would move the pointer too fast). Is there any way to fix this, or to have this setting separate for both devices?

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  • How do I find a file that begins with a phraze in Windows Search?

    - by plasmuska
    Hi Guys, What is the syntax for searching a file with file name that STARTS with a certain phrase? Example: I have two files: 60933 blahblah.xls PZ 60933 blahblah.xls I would like to search only for the first one but Windows Search always returns two results. I have tried these but none of them seem to work: filename:60933 filename:^60933* filename:60933..xls My setup: Windows XP Pro CZ, Windows Search 4, files are located on indexed network share.

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  • Comunidades de pr&aacute;tica

    - by fernando.galdino
    Este ano eu comecei a fazer um mestrado em Gestão de Projetos na Uninove, aqui em São Paulo. E um dos temas de pesquisa que irei desenvolver é sobre comunidades de prática. Basicamente, são comunidades criadas pelas pessoas que objetivam a expandir o conhecimento sobre determinado assunto. Um exemplo desse tipo de comunidade seria, por exemplo, os grupos de usuários Java. Essas comunidades podem se desenvolver nas mais variadas formas: dentro de empresas, fora das empresas com profissionais de diversas companhias, dentro de empresas com colaboração com usuários de outras empresas. Atualmente, muitos desses grupos acabam usando recursos oferecidos na Internet (grupos, fóruns, emails) para se comunicarem. Eu, por exemplo, cuidei de um grupo desses, por cerca de um ano, na época em que trabalhei na IBM. Quem tiver conhecimento de comunidades desse tipo, e quiser colaborar com meu estudo, entre em contato. Tenho especial interesse em coletar experiências desses grupos, principalmente ajudando a desenvolver o conhecimento dentro das empresas.

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  • QT:QString to char conversion

    - by mawia
    hi! all, I was tryin to convert a QSting to char* type but by following methods,but those does'nt seem to work. // QLineEdit *line=new QLineEdit();{just to describe what is line here} QString temp=line->text(); char *str=(char *)malloc(10); QByteArray ba=temp.toLatin1(); strcpy(str,ba.data()); can you elobrate the possible flaw with this method ,or tell alternative method.

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  • Why do InterruptedExceptions clear a thread's interrupted status?

    - by Hanno Fietz
    If a thread is interrupted while inside Object.wait() or Thread.join(), it throws an InterruptedException, which resets the thread's interrupted status. I. e., if I have a loop like this inside a Runnable.run(): while (!this._workerThread.isInterrupted()) { // do something try { synchronized (this) { this.wait(this._waitPeriod); } } catch (InterruptedException e) { if (!this._isStopping()) { this._handleFault(e); } } } the thread will continue to run after calling interrupt(). This means I have to explicitly break out of the loop by checking for my own stop flag in the loop condition, rethrow the exception, or add a break. Now, this is not exactly a problem, since this behaviour is well documented and doesn't prevent me from doing anything the way I want. However, I don't seem to understand the concept behind it: Why is a thread not considered interrupted anymore once the exception has been thrown? A similar behaviour also occurs if you get the interrupted status with interrupted() instead of isInterrupted(), then, too, the thread will only appear interrupted once. Am I doing something unusual here? For example, is it more common to catch the InterruptedException outside the loop? (Even though I'm not exactly a beginner, I tagged this "beginner", because it seems like a very basic question to me, looking at it.)

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  • How to display only necessary information from xml

    - by fakson
    I have xml table: <?xml version="1.0" encoding="UTF-8"?> <table> <user> <id>1</id> <info> <more> <nick>John</nick> <adress>blabla</adress> </more> <more> <nick>Mike</nick> <adress>blablabla</adress> <tel>blablabla</tel> </more> </info> </user> <user> <id>2</id> <info> <more> <nick>Fake</nick> <adress>blablabla</adress> <tel>blablabla</tel> </more> </info> </user> </table> And i need to read data from it. I made such parser. <?php $xml = simplexml_load_file("test.xml"); echo $xml->getName() . "<br /><br />"; echo '<hr />'; foreach ($xml->children() as $child1){ //echo $child1->getName() . ": " . $child1 . "<br />"; //el foreach($child1->children() as $child2){ if ((string)$child2 == '2') { echo "<strong>" .$child2 . "</strong><br />"; foreach($child2->children() as $child3){ echo "<strong>".$child3->getName()."</strong>:" . $child3 . "<br />"; foreach($child3->children() as $child4){ echo $child4->getName() . ": " . $child4 . "<br />"; } } } } echo '<hr />'; echo '<br />'; } ?> I want to make search in xml file, for example get all information about user with id 2, i try to realize it with if function but i get only id. What is wrong?. Any suggestions??

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  • Div positioning problem related to Relative and Absolute positioning

    - by abszero
    Hello everyone. The problem I am running into is related to a footer I have absolutely positioned at the bottom of the page. Everything is fine until the copy on the page begins to extend further down the page which then causes my content wells to extend down, behind, the footer. Is there anyway I can force my content wells to 'push' the footer down the page? Here is the relevant html: <div id="page"> <div id="page_container"> <div id="header"></div> <div id="nav"></div> <div id="main_content"> <div id="left_column"></div> <div id="right_column"></div> </div> </div> </div> <div id="footer"> <div id="footer_container"> </div> </div> And the relevant CSS #page {width:100%;margin:0 0 10px 0; text-align:center;} #page_container {width:743px;height:auto !important;height:100%;margin:0 auto;min-height:100%;text-align:center;overflow:hidden;border:2px solid #000;} #header {width:100%;background:url('../images/header.jpg');height:87px;clear:both; margin-top: -2px;} #nav {width:100%;height:29px;float:left; text-align:left; border-bottom: solid 2px #000; border-top: solid 2px #000;} #main_content {width:100%;float:left; text-align:left; background-color:#fff; border-bottom: solid 2px #000; border-left: solid 2px #000; border-right: solid 2px #000;} #footer {width:100%; position:absolute;margin-top:10px; bottom: 0; background:url('../images/footer_bg.jpg');height:133px;text-align:center;} #footer_container{width:746px;height:133px; text-align:left; display:inline-block;} #left_column {width:230px; float:left; text-align:left; background-color:#fff; margin-top:5px;} #right_column {width:490px; float:right; text-align:left; background-color:#fff;margin-top:5px; padding:10px;} Thanks for any help you might be able to give!

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  • Prevent deferred creation of controls.

    - by Scott Chamberlain
    Here is a test framework to show what I am doing, just create a new project add a tabbed control, on tab 1 put a button on tab 2 put a check box (default names) and paste this code for its code public partial class Form1 : Form { private List<bool> boolList = new List<bool>(); BindingSource bs = new BindingSource(); public Form1() { InitializeComponent(); boolList.Add(false); bs.DataSource = boolList; checkBox1.DataBindings.Add("Checked", bs, ""); } bool updating = false; private void button1_Click(object sender, EventArgs e) { updating = true; boolList[0] = true; bs.ResetBindings(false); Application.DoEvents(); updating = false; } private void checkBox1_CheckedChanged(object sender, EventArgs e) { if (!updating) MessageBox.Show("CheckChanged fired outside of updating"); } } The issue is if you run the program and look at tab 2 then press the button on tab 1 the program works as expected, however if you press the button on tab 1 then look at tab 2 the event for the checkbox will not fire untill you look at tab 2. The reason for this is the controll on tab 2 is not in the "created" state, so its binding to change the checkbox from unchecked to checked does not happen until after the control has been "Created". checkbox1.CreateControl() does not do anything because according to MSDN CreateControl does not create a control handle if the control's Visible property is false. You can either call the CreateHandle method or access the Handle property to create the control's handle regardless of the control's visibility, but in this case, no window handles are created for the control's children. I tried getting the value of Handle(there is no CreateHandle for Button) but still the same result. Any suggestions other than have the program quickly flash all of my tabs that have data-bound check boxes when it first loads?

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  • SQL Server Efficiently dropping a group of rows with millions and millions of rows

    - by Net Citizen
    I recently asked this question: http://stackoverflow.com/questions/2519183/ms-sql-share-identity-seed-amongst-tables (Many people wondered why) I have the following layout of a table: Table: Stars starId bigint categoryId bigint starname varchar(200) But my problem is that I have millions and millions of rows. So when I want to delete stars from the table Stars it is too intense on SQL Server. I cannot use built in partitioning for 2005+ because I do not have an enterprise license. When I do delete though, I always delete a whole category Id at a time. I thought of doing a design like this: Table: Star_1 starId bigint CategoryId bigint constaint rock=1 starname varchar(200) Table: Star_2 starId bigint CategoryId bigint constaint rock=2 starname varchar(200) In this way I can delete a whole category and hence millions of rows in O(1) by doing a simple drop table. My question is, is it a problem to have hundreds of thousands of tables in your SQL Server? The drop in O(1) is extremely desirable to me. Maybe there's a completely different solution I'm not thinking of?

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  • Why can't I log in with "claimid.com" as an OpenID?

    - by radu-negrila
    Hi, I need to implement a relying party for Open ID in a load balanced environment. Following the suggestions found here I have tried passing null to the OpenIdRelyingParty constructor. The results are somehow not consistent. If I use www.myopenid.com as a provider it works. If I use www.claimid.com as a provider I get the following exception: ProtocolException - No OpenID endpoint found. This exception is thrown on the CreateRequest method call even in a non balanced environment (my local workstation). Any idea what can I do to make it work for both providers ?

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  • Async Socket Listener on separate thread - VB.net

    - by TheHockeyGeek
    I am trying to use the code from Microsoft for an Async Socket connection. It appears the listener runs in the main thread locking the GUI. I am new at both socket connections and multi-threading all at the same time. Having a hard time getting my mind wrapped around this all at once. The code used is at http://msdn.microsoft.com/en-us/library/fx6588te.aspx Using this example, how can I move the listener to its own thread? Public Shared Sub Main() ' Data buffer for incoming data. Dim bytes() As Byte = New [Byte](1023) {} ' Establish the local endpoint for the socket. Dim ipHostInfo As IPHostEntry = Dns.GetHostEntry(Dns.GetHostName()) Dim ipAddress As IPAddress = ipHostInfo.AddressList(1) Dim localEndPoint As New IPEndPoint(ipAddress, 11000) ' Create a TCP/IP socket. Dim listener As New Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp) ' Bind the socket to the local endpoint and listen for incoming connections. listener.Bind(localEndPoint) listener.Listen(100)

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  • warning BC40056: Namespace or type specified in the Imports 'MS.Internal.Xaml.Builtins' doesn't cont

    - by Heinzi
    I have a WPF VB.NET project in Visual Studio 2008. For some reason, Visual Studio thinks that it needs to add an Imports MS.Internal.Xaml.Builtins to every auto-generated XAML partial class (= the nameOfXamlFile.g.vb files), resulting in the following warning: warning BC40056: Namespace or type specified in the Imports 'MS.Internal.Xaml.Builtins' doesn't contain any public member or cannot be found. Make sure the namespace or the type is defined and contains at least one public member. Make sure the imported element name doesn't use any aliases. I can remove the Imports line, but, since this is an auto-generated file, it reappears every time that the project is rebuilt. This warning message is annoying and clutters my error list. Is ther something that can be done about it? Or is it a known bug?

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  • Flex: Create custom stroke on LineSeries?

    - by John Isaacks
    You can easily set a stroke on a line series like this: <mx:LineSeries yField="apple"> <mx:lineStroke> <mx:Stroke color="0x6699FF" weight="4" alpha=".8" /> </mx:lineStroke> </mx:LineSeries> This will set alpha for the entire stroke to .8 But I want to be able to set a different alpha on the stoke for each plot based on something in the dataProvider. For example the yField in the lineSeries is "Apple" which is how it knows where to plot for the lineSeries. I want to be able to add something like alphaField which tells it what to set the stroke alpha for each plot. so if my dataProvider was: <result month="Jan-04"> <apple>81768</apple> <alpha>1</alpha> </result> <result month="Feb-04"> <apple>51156</apple> <alpha>1</alpha> </result> <result month="Mar-04"> <apple>51156</apple> <alpha>.5</alpha> </result> And I set alphaField="alpha" then I would have a solid stroke from plot 0 to plot 1 and then a 50% alpha stroke from plot 1 to plot 2. How can I do this??? I am looking in the commitProperties() and updateDisplayList() methods of LineSeries and have no idea what would need to be added/changed to make this? I am pretty sure, this class has to use Graphics.lineTo() to draw each plot, so basically it would need to "get" the current alphaField value somehow, and apply a Graphics.lineStyle() with the correct alpha before drawing each line. Thanks!! UPDATE I have gotten much closer to my answer. When I extend LineRenderer I override updateDisplayList() which calls GraphicsUtilities.drawPolyLine() I extend GraphicsUtilities and override the method drawPolyLine() as this is where the line is actually drawn. I can call lineStyle() in here and change the alpha of the line... I still have 1 thing I cannot figure out, from within the drawPolyLine() method how can I access that data that dictates what the alpha should be? Thanks!!!!

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