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  • How does fork() return for child process

    - by EpsilonVector
    I know that fork() returns differently for the son and father processes, but I'm unable to find information on how this happens. How does the son process receive the return value 0 from fork? And what is the difference in regards to the call stack? As I understand it, for the father it goes something like this: father process--invokes fork--system_call--calls fork--fork executes--returns to--system_call--returns to--father process. What happens in the son side?

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  • dximagetransform.matrix, absolutely position child elements not rotating in IE 8 standards mode

    - by davydka
    I've looked all over for more information on this, and would like to know why it happens. Here's the code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> </head> <body> <div style="position:absolute; top:200px; left:200px; height:200px; width:200px; border:1px solid black; filter: progid:DXImageTransform.Microsoft.Matrix(sizingMethod='auto expand', M11=0.9886188373396114, M12=-0.15044199698646263, M21=0.15044199698646263, M22=0.9886188373396114);"> <div style="position:absolute; top:10px; left:10px; border:1px solid darkblue;"> I do not rotate in IE 8. </div> </div> </body> </html> The problem is that absolutely or relatively positioned elements within a div that has been rotated using MS's dximagetransform.matrix do not inherit the transformation in IE 8. IE 6 & 7 render correctly, and I can solve the IE8 problem by triggering compatibility mode, but I'd rather not do that. Does anyone have any experience with this? I'm using css3 transform on other browsers and using dximagetransform.matrix to achieve this effect in IE. EDIT: Added the opening html tag. Problem still exists. http://i45.tinypic.com/nf4gmq.png

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  • PHP find first of occurrence of string

    - by mike
    I have a string of data like below and I've been struggling trying to figure out how to split it up so that I can use it efficiently. "United States FirstName: Mike LastName: Wolf City: Chicago" I need to split up the string in to substrings and the list may not always be in the same order. For example it could vary like below: "United States City: Chicago FirstName: Mike LastName: Wolf" "United States FirstName: City: Chicago Mike LastName: Wolf" I need to find which parameter comes first after 'United States'. It could be 'City:', 'FirstName:' or 'LastName:'. And, I also need to know the start position of the first parameter. Thanks in advance!

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  • Why is ExecuteFunction method only available through base.ExecuteFunction in a child class of Object

    - by Matt
    I'm trying to call ObjectContext.ExecuteFunction from my objectcontext object in the repository of my site. The repository is generic, so all I have is an ObjectContext object, rather than one that actually represents my specific one from the Entity Framework. Here's an example of code that was generated that uses the ExecuteFunction method: [global::System.CodeDom.Compiler.GeneratedCode("System.Data.Entity.Design.EntityClassGenerator", "4.0.0.0")] public global::System.Data.Objects.ObjectResult<ArtistSearchVariation> FindSearchVariation(string source) { global::System.Data.Objects.ObjectParameter sourceParameter; if ((source != null)) { sourceParameter = new global::System.Data.Objects.ObjectParameter("Source", source); } else { sourceParameter = new global::System.Data.Objects.ObjectParameter("Source", typeof(string)); } return base.ExecuteFunction<ArtistSearchVariation>("FindSearchVariation", sourceParameter); } But what I would like to do is something like this... public class Repository<E, C> : IRepository<E, C>, IDisposable where E : EntityObject where C : ObjectContext { private readonly C _ctx; // ... public ObjectResult<E> ExecuteFunction(string functionName, params[]) { // Create object parameters return _ctx.ExecuteFunction<E>(functionName, /* parameters */) } } Anyone know why I have to call ExecuteFunction from base instead of _ctx? Also, is there any way to do something like I've written out? I would really like to keep my repository generic, but with having to execute stored procedures it's looking more and more difficult... Thanks, Matt

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  • create parent child array from inline data in php

    - by abhie
    actually i have simple problem but i forget how to solve it.. :D i have data on table with following format 01 Johson 01 Craig 01 Johson 02 Daniel 01 Johson 03 Abbey 02 Dawson 01 Brown 02 Dawson 02 Agust 03 Brick 01 Chev 03 Brick 01 Flinch so i want it to become an array like this 01 Johson => 01 Craig ``````````````02 Daniel ```````````````03 Abey ` etc... how to iterate trough the data and make it array like that... i'm newby in PHP :))

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  • UIScrollView only works if the child views aren't hit

    - by dny238
    I have a scroll view that doesn't scroll right, I've simplified the code for below. It draws the view and some horizontal buttons that i add more stuff to in the real code. If you drag the whitespace between the buttons the view scrolls. If you happen to put your finger on a button, it won't scroll. After a related suggestion, I tried to add the delaysContentTouches = YES line, but it doesn't seem to make a difference. http://stackoverflow.com/questions/650437/iphone-uiscrollview-with-uibuttons-how-to-recreate-springboard What am I doing wrong? TIA, Rob Updated the code - (void)viewDidLoad { l = [self landscapeView]; [self.view addSubview:l]; [l release]; } - (UIScrollView *) landscapeView { // LANDSCAPE VIEW UIScrollView *landscapeView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, 320, 325)]; landscapeView.backgroundColor = [UIColor whiteColor]; landscapeView.delaysContentTouches = YES; NSInteger iMargin, runningY, n; iMargin = 3; runningY = iMargin; for (n = 1; n <= 38; n++) { //add day labels UIButton *templabel = [[UIButton alloc] initWithFrame:CGRectMake(iMargin,runningY,320 - ( 2 * iMargin),20)]; templabel.backgroundColor = [UIColor grayColor]; [landscapeView addSubview:templabel]; [templabel release]; runningY = runningY + 30; } landscapeView.contentSize = CGSizeMake( 320, runningY); return landscapeView; }

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  • NHibernate returning duplicate object in child collections when using Fetch

    - by UpTheCreek
    When doing a query like this (using Nhibernate 2.1.2): ICriteria criteria = session.CreateCriteria<MyRootType>() .SetFetchMode("ChildCollection1", FetchMode.Eager) .SetFetchMode("ChildCollection2", FetchMode.Eager) .Add(Restrictions.IdEq(id)); I am getting multiple duplicate objects in some cartesian fashion. E.g. if ChildCollection1 has 3 elements, and ChildColection2 has 2 elements then I get results with each element in ChildColection1 one duplicated, and each element in ChildColection2 triplicated! This was a bit of a WTF moment for me... So how to do this correctly? Is using SetFetchMode like this only supported when specifying one collection? Am I just using it wrong (I've seen some references to results transformers, but imagined this would be simplier). Is this something that's different in NH3? Update: As per Felice's suggestion, I tried using the DistinctRootEntity transformer, but this is still returning duplicates. Code: ICriteria criteria = session.CreateCriteria<MyRootType>() .SetFetchMode("ChildCollection1", FetchMode.Eager) .SetFetchMode("ChildCollection2", FetchMode.Eager) .Add(Restrictions.IdEq(id)); criteria.SetResultTransformer(Transformers.DistinctRootEntity); return criteria.UniqueResult<MyRootType>();

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  • How to use NSPredicate to catch child objects?

    - by Konstantin
    I'm new to core data and try to get all children objects of various types with one query. Say there's an "Animal" type as parent and "Cat", "Dog" and "Bird" as children. I'd like to get both cats and dogs, but not Birds in single query returned as Animal objects. Is it possible?

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  • jQuery validation plugin - show only the first error at errorContainer

    - by ookla
    Hi there, I have this: function validateEmail(){ // ############################### $("#contato_form").validate({ errorContainer: "#wrapperError", errorLabelContainer: "#wrapperError span.error", debug:true, rules: { nome: { required:true }, email: { required:true }, mensagem: { required:true } }, messages: { nome: { required:'Informe seu nome.' }, email: { required:'Informe um endereço email válido.' }, mensagem: { required:'Por favor, escreva sua mensagem.' } }, submitHandler: function() { $.ajax({ type: "POST", url: "http://www.mydomain.com/sendemail.php", data: ({nome: $("input#nome").val(), email: $("input#email").val(), mensagem: $("textarea#mensagem").val()}), success: function(msg){ $('div#enviado').html(' ').append(msg); } }); } }); } When I submit. I got this error message: Informe seu nome.Informe um endereço email válido.Por favor, escreva sua mensagem. How can I get only the first error no that errorContainer? Once the first input is ok, then the next error and so on.. Thanks

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  • Flex AdvancedDataGrid with Grouping, how do I get objects to appear under first GroupingField if the

    - by shadenite
    I am using an AdvancedDataGrid with two GroupingFields. The dataProvider has a list of objects with these two field values, but occasionally the second field value can be null. When it loads, the AdvancedDataGrid UI has a root folder (first GroupingField) and some additional subfolders (second GroupingField). This is all good. However, the objects with a null value for the second GroupingField, just get placed in a subfolder with no label. I want the objects with a null second GroupingField value to appear as leaf nodes beneath the root folder (first GroupingField) minus the blank subfolder. A good way to picture this would be a file explorer. Is there a good way to do this? Make the folder icon disappear maybe after expanding this node through actionscript? ParentFolder SubFolder Leaf Object Leaf Object SubFolder Leaf Object Leaf Object Leaf Object

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  • counter_cache rails a child creation should increment the count intwo different models based on cond

    - by aditi-syal
    Hi, I have 3 models Recommendation Job Qualification Recommendation model has two fields as work_type and work_id(foreign key for job/qualification based on work_type as "J"/"Q") I am facing problem in using counter_cache I have done this in recommendation.rb belongs_to :job , :counter_cache = true, :foreign_key = "work_id" belongs_to :qualification , :counter_cache = true, :foreign_key = "work_id" and in job and qualification model files has_many :recommendations , :conditions = {:work_type = "J"} has_many :recommendations , :conditions = {:work_type = "Q"} Both Job and Qualification Models have a column as recommendations_count The problem is every time an object of recommendation is created count is increased in the both the models Please help me with this Thanks

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  • Find ListBox from its child?

    - by Shimmy
    How do I extract the parent container of a ListBoxItem? In the following example I can go till the ListBoxItem, higher than that I get Nothing: <ListBox Name="lbAddress"> <ListBox.ItemTemplate> <DataTemplate> <Button Click="Button_Click"/> </DataTemplate> </ListBox.ItemTemplate> </ListBox> Private Sub Button_Click(sender As Button, e As RoutedEventArgs) Dim lbAddress = GetAncestor(Of ListBox) 'Result: Nothing End Sub Public Shared Function GetAncestor(Of T)(reference As DependencyObject) As T Dim parent = GetParent(reference) While parent IsNot Nothing AndAlso Not parent.GetType.Equals(GetType(T)) parent = GetVisualAncestor(Of T)(parent) End While If parent IsNot Nothing Then _ Return If(parent.GetType Is GetType(T), parent, Nothing) Return Nothing End Sub Public Function GetParent(reference As DependencyObject) As DependencyObject Dim parent As DependencyObject = Nothing If TypeOf reference Is FrameworkElement Then parent = DirectCast(reference, FrameworkElement).Parent ElseIf TypeOf reference Is FrameworkContentElement Then parent = DirectCast(reference, FrameworkContentElement).Parent End If Return If(parent, VisualTreeHelper.GetParent(reference)) End Function

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  • ValidateCredentials() returns FALSE on First Call but TRUE on Subsequent Calls

    - by Nick Gotch
    I'm using the following code to authenticate users on my web service: using (PrincipalContext context = new PrincipalContext(ContextType.Domain, domain)) { return context.ValidateCredentials(userName, password); } The obstacle I'm running into is that the first call to ValidateCredentials() is returning false but subsequent calls return true. I placed a breakpoint at this line and in the Intermediate window I see the same results: first call returns false, second returns true, even though nothing was changed (by me) between calls. The 'domain' is String.Empty but I've also tried it with the actual domain name and get the same results. I'm not that versed in network administration so any help would be appreciated,

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  • WCF XmlSerializer assembly not speeding up first request

    - by Matt Dearing
    I am generating proxy classes to a clients java webservice wsdls and xsd files with svcutil. The first call made to each service proxy class takes a very long time. I was hoping to speed this up by generating the XmlSerializers assembly myself (based on the article How to: Improve the Startup Time of WCF Client Applications using the XmlSerializer), but when I do the first call to each service still takes the same amount of time. Here are the steps I am following: //generate strong name key file sn -k Blah.snk //generate the proxy class file svcutil blah.wsdl blah2.wsdl blah3.wsdl ... base.xsd blah.xsd ... /UseSerializerForFaults /ser:XmlSerializer /n:*,SomeNamespace /out:Blah.cs //compile the class into an assembly signing it with the strong name key file csc /target:library /keyfile:Blah.snk /out:Blah.dll Blah.cs //generate the XmlSerializer code this will give us Blah.XmlSerializers.dll.cs svcutil /t:xmlSerializer Blah.dll //compile the xmlserializer code into its own dll using the same key to sign it and referencing the original dll csc /target:library /keyfile:Blah.snk /out:Blah.XmlSerializers.dll Blah.XmlSerializers.dll.cs /r:Blah.dll I then create a standard Console application that references both Blah.dll and Blah.XmlSerializers.dll. I will then try something like: //BlahProxy is one of the generated service proxy classes BlahProxy p = new BlahProxy(); //this call takes 30ish seconds p.SomeMethod(); BlahProxy p2 = new BlahProxy(); //this call takes < 1 second p2.SomeMethod(); //BlahProx2y is one of the generated service proxy classes BlahProxy2 p3 = new BlahProxy2(); //this call takes 30ish seconds p3.SomeMethod(); BlahProxy2 p4 = new BlahProxy2(); //this call takes < 1 second p4.SomeMethod(); I know that the problem is not server side because I don't see the request made in Fiddler until around 29 seconds. Subsequent calls to each service take < 1 second, so thats why I was hoping the main slow down was the .net runtime generating the xmlserializer code itself, compiling it and loading the assembly. I figured this would be the reason the first call to each service is slow and the rest are fast. Unfortunatley, me generating the code myself is not speeding anything up. Does anyone see what I am doing wrong?

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  • How to have Moose return a child class instance instead of its own class, for polymorphism

    - by alex8657
    I want to create a generic class, whose builder would not return an instance of this generic class, but an instance of a dedicated children class. As Moose does automatic object building, i do not get to understand if this something possible, and how to create a Moose class with Moose syntax and having this behaviour Eg: The user asks: $file = Repository-new(uri='sftp://blabla') .... and is returned an Repository::_Sftp instance User would use $file as if it is a Repository instance, without the need to know the real subclass (polymorphism)

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  • Error executing child request for handler in plugin

    - by user1348351
    I'm using nop commerce open source. I wanted to show the recently add products in home page. so what I did is I activated plugin Nop JCarousel in the admin panel. But if I select "Recently view product" as a Data source type it is working fine.But if I select "recently add product" Data source type there is error coming up. it says Server Error in '/' Application. Method not found: 'Nop.Core.IPagedList`1<Nop.Core.Domain.Catalog.Product> Nop.Services.Catalog.IProductService.SearchProducts(Int32, Int32, System.Nullable`1<Boolean>, System.Nullable`1<System.Decimal>, System.Nullable`1<System.Decimal>, Int32, System.String, Boolean, Int32, System.Collections.Generic.IList`1<Int32>, Nop.Core.Domain.Catalog.ProductSortingEnum, Int32, Int32, Boolean, System.Collections.Generic.IList`1<Int32> ByRef, Boolean)'. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.MissingMethodException: Method not found: 'Nop.Core.IPagedList`1<Nop.Core.Domain.Catalog.Product> Nop.Services.Catalog.IProductService.SearchProducts(Int32, Int32, System.Nullable`1<Boolean>, System.Nullable`1<System.Decimal>, System.Nullable`1<System.Decimal>, Int32, System.String, Boolean, Int32, System.Collections.Generic.IList`1<Int32>, Nop.Core.Domain.Catalog.ProductSortingEnum, Int32, Int32, Boolean, System.Collections.Generic.IList`1<Int32> ByRef, Boolean)'. Source Error: Line 3: @foreach (var widget in Model) Line 4: { Line 5: @Html.Action(widget.ActionName, widget.ControllerName, widget.RouteValues) Line 6: } Any idea on how to solve this?

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  • Changing URI suffix in Joomla when adding child php pages

    - by Sleem
    I have added a new directory in my joomla website: http://sitedomain.tld/xxx/ then I have added index.php in that directory here is the code define( '_JEXEC', 1 ); define('JPATH_BASE', '..' ); define( 'DS', DIRECTORY_SEPARATOR ); require_once ( '../includes/defines.php' ); require_once ( '../includes/framework.php' ); //JDEBUG ? $_PROFILER->mark( 'afterLoad' ) : null; /** * CREATE THE APPLICATION * * NOTE : */ $mainframe =& JFactory::getApplication('site'); $template_name = $mainframe->getTemplate();; $mainframe->initialise(); JPluginHelper::importPlugin('system'); /** * ROUTE THE APPLICATION * * NOTE : */ $mainframe->route(); // authorization $Itemid = JRequest::getInt( 'Itemid'); $mainframe->authorize($Itemid); // trigger the onAfterRoute events //JDEBUG ? $_PROFILER->mark('afterRoute') : null; //$mainframe->triggerEvent('onAfterRoute'); /** * DISPATCH THE APPLICATION * * NOTE : */ $option = JRequest::getCmd('option'); //$mainframe->dispatch($option); // trigger the onAfterDispatch events //JDEBUG ? $_PROFILER->mark('afterDispatch') : null; //$mainframe->triggerEvent('onAfterDispatch'); /** * RENDER THE APPLICATION * * NOTE : */ $mainframe->render(); /** * RETURN THE RESPONSE */ var_dump($document->getHeadData()); echo JResponse::toString($mainframe->getCfg('gzip')); sdwdwd wdwd When I view this page in the browser, all the dynamic links like CSS, JS and images were suffixed by the /xxx/ path which make them broken ! How can I drop this suffix or how do I change this suffix from /xxx to / to it points to the original files location? I have tried setting the JDocument::setBase and also tried to play with the JURI object and changed its _path and _uri without any change Thanks

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  • recursive function to get all the child categories

    - by user253530
    Here is what I'm trying to do: - i need a function that when passed as an argument an ID (for a category of things) will provide all the subcategories and the sub-sub categories and sub-sub-sub..etc. - i was thinking to use a recursive function since i don't know the number of subcategories their sub-subcategories and so on so here is what i've tried to do so far function categoryChild($id) { $s = "SELECT * FROM PLD_CATEGORY WHERE PARENT_ID = $id"; $r = mysql_query($s); if(mysql_num_rows($r) > 0) { while($row = mysql_fetch_array($r)) echo $row['ID'].",".categoryChild($row['ID']); } else { $row = mysql_fetch_array($r); return $row['ID']; } } If i use return instead of echo, i won't get the same result. I need some help in order to fix this or rewrite it from scratch

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  • Stop VCL Child Controls from Inheriting Parent Popup Menu

    - by Anagoge
    I have a Delphi 2007 VCL TPanel with a TPopupMenu assigned to it. There are some TEdit controls on the panel. The edits inherit the popup menu of the parent panel. I want to not allow this popup inheriting, so the edits will show the default Windows TEdit popup menu with Copy, Cut, Paste, etc., but have not found a way to do it yet. There doesn't appear to be a "ParentPopupMenu" type property to set which controls inherit it from the parent component.

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  • How to move child element from one parent to another using jQuery

    - by Kapslok
    I am using the jQuery DataTables plugin. I would like to move the search box (.dataTables_filter) and number of records to display dropdown (.dataTables_length) from their parent element (.dataTables_wrapper) to another div on my page without losing any registered javascript behavior. For instance the search box has a function attached to the 'keyup' event and I want to keep that intact. The DOM looks like this: <body> <div id="parent1"> <div class="dataTables_wrapper" id="table1_wrapper"> <div class="dataTables_length" id="table1_length"> <select size="1" name="table1_length"> <option value="10">10</option> <option value="25">25</option> <option value="50">50</option> <option value="100">100</option> </select> </div> <div class="dataTables_filter" id="table1_filter"> <input type="text" class="search"> </div> <table id="table1"> ... </table> </div> </div> <div id="parent2"> <ul> <li><a href="#">Link A</a></li> <li><a href="#">Link B</a></li> <li><a href="#">Link C</a></li> </ul> </div> </body> This is what I would like the DOM to look like after the move: <body> <div id="parent1"> <div class="dataTables_wrapper" id="table1_wrapper"> <table id="table1"> ... </table> </div> </div> <div id="parent2"> <div class="dataTables_filter" id="table1_filter"> <input type="text" class="search"> </div> <div class="dataTables_length" id="table1_length"> <select size="1" name="table1_length"> <option value="10">10</option> <option value="25">25</option> <option value="50">50</option> <option value="100">100</option> </select> </div> <ul> <li><a href="#">Link A</a></li> <li><a href="#">Link B</a></li> <li><a href="#">Link C</a></li> </ul> </div> </body> I've been looking at the .append(), .appendTo(), .prepend() and .prependTo() functions but haven't had any luck with these in practice. I've also looked at the .parent() and .parents() functions, but can't seem to code a workable solution. I have also considered changing the CSS so that the elements are absolutely positioned - but to be frank the page is setup with fluid elements all over, and I really want these elements to be floated in their new parents. Any help with this is much appreciated.

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  • Update last child id in parent table using mysql

    - by Sam Saffron
    Given the following tables: Topic id, last_updated_child_id Response id, topic_id, updated_at How do I update the Topic table so the last_updated_child_id is equal to the latest response id (based on date). So for example given: Topic id last_updated_child_id -- ----------------------- 1 null 2 null 3 null Response id topic_id updated_at -- ---- ---- 1 1 2010 2 1 2012 3 1 2011 4 2 2000 I would like to execute an UPDATE statement that would result in the Topic table being: id last_updated_child_id -- ----------------------- 1 2 2 4 3 null Note: I would like to avoid temp tables if possible and am happy for a MySQL specific solution.

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