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  • Rails: Getting rid of "X is invalid" validation errors

    - by DJTripleThreat
    I have a sign-up form that has nested associations/attributes whatever you want to call them. My Hierarchy is this: class User < ActiveRecord::Base acts_as_authentic belongs_to :user_role, :polymorphic => true end class Customer < ActiveRecord::Base has_one :user, :as => :user_role, :dependent => :destroy accepts_nested_attributes_for :user, :allow_destroy => true validates_associated :user end class Employee < ActiveRecord::Base has_one :user, :as => :user_role, :dependent => :destroy accepts_nested_attributes_for :user, :allow_destroy => true validates_associated :user end I have some validation stuff in these classes as well. My problem is that if I try to create and Customer (or Employee etc) with a blank form I get all of the validation errors I should get plus some Generic ones like "User is invalid" and "Customer is invalid" If I iterate through the errors I get something like: user.login can't be blank User is invalid customer.whatever is blah blah blah...etc customer.some_other_error etc etc Since there is at least one invalid field in the nested User model, an extra "X is invalid" message is added to the list of errors. This gets confusing to my client and so I'm wondering if there is a quick way to do this instead of having to filer through the errors myself.

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  • Rails: Getting rid of generic "X is invalid" validation errors

    - by DJTripleThreat
    I have a sign-up form that has nested associations/attributes whatever you want to call them. My Hierarchy is this: class User < ActiveRecord::Base acts_as_authentic belongs_to :user_role, :polymorphic => true end class Customer < ActiveRecord::Base has_one :user, :as => :user_role, :dependent => :destroy accepts_nested_attributes_for :user, :allow_destroy => true validates_associated :user end class Employee < ActiveRecord::Base has_one :user, :as => :user_role, :dependent => :destroy accepts_nested_attributes_for :user, :allow_destroy => true validates_associated :user end I have some validation stuff in these classes as well. My problem is that if I try to create and Customer (or Employee etc) with a blank form I get all of the validation errors I should get plus some Generic ones like "User is invalid" and "Customer is invalid" If I iterate through the errors I get something like: user.login can't be blank User is invalid customer.whatever is blah blah blah...etc customer.some_other_error etc etc Since there is at least one invalid field in the nested User model, an extra "X is invalid" message is added to the list of errors. This gets confusing to my client and so I'm wondering if there is a quick way to do this instead of having to filer through the errors myself.

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  • QUiLoader and ignored dynamic properties

    - by Googie
    I'm loading the .ui file, where one of the widgets (QComboBox) has a dynamic property (http://qt-project.org/doc/qt-5/properties.html#dynamic-properties). The UI file looks like this: <?xml version="1.0" encoding="UTF-8"?> <ui version="4.0"> <class>PopulateScriptConfig</class> <widget class="QWidget" name="PopulateScriptConfig"> <property name="geometry"> <rect> <x>0</x> <y>0</y> <width>400</width> <height>300</height> </rect> </property> <property name="windowTitle"> <string>Form</string> </property> <layout class="QVBoxLayout" name="verticalLayout"> <item> <widget class="QGroupBox" name="langGroup"> <property name="title"> <string>Language</string> </property> <layout class="QVBoxLayout" name="verticalLayout_3"> <item> <widget class="QComboBox" name="langCombo"> <property name="ScriptingLangCombo" stdset="0"> <bool>true</bool> </property> </widget> </item> </layout> </widget> </item> <item> <widget class="QGroupBox" name="codeGroup"> <property name="title"> <string>Implementation</string> </property> <layout class="QVBoxLayout" name="verticalLayout_2"> <item> <widget class="QPlainTextEdit" name="codeEdit"/> </item> </layout> </widget> </item> </layout> </widget> <resources/> <connections/> </ui> The important part is: <widget class="QComboBox" name="langCombo"> <property name="ScriptingLangCombo" stdset="0"> <bool>true</bool> </property> </widget> I'm loading the file with QUiLoader::load(). Note, that I have extended the QUiLoader class, but only to access createWidget() method, where I can query each widget like this: QWidget* UiLoader::createWidget(const QString& className, QWidget* parent, const QString& name) { QWidget* w = QUiLoader::createWidget(className, parent, name); qDebug() << w->dynamicPropertyNames(); return w; } As a result I see empty list displayed, so it seems like the dynamic property is completly ignored. Any ideas? P.S. I've made sure that I load correct file. 3 times.

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  • AD - Using UserPrincipal.FindByIdentity and PrincipalContext with nested OU - C#

    - by Solid Snake
    Here is what I am trying to achieve: I have a nested OU structure that is about 5 levels deep. OU=Portal,OU=Dev,OU=Apps,OU=Grps,OU=Admin,DC=test,DC=com I am trying to find out if the user has permissions/exists at OU=Portal. Here's a snippet of what I currently have: PrincipalContext domain = new PrincipalContext( ContextType.Domain, "test.com", "OU=Portal,OU=Dev,OU=Apps,OU=Grps,OU=Admin,DC=test,DC=com"); UserPrincipal user = UserPrincipal.FindByIdentity(domain, myusername); PrincipalSearchResult<Principal> group = user.GetAuthorizationGroups(); For some unknown reason, the value user generated from the above code is always null. However, if I were to drop all the OU as follows: PrincipalContext domain = new PrincipalContext( ContextType.Domain, "test.com", "DC=test,DC=com"); UserPrincipal user = UserPrincipal.FindByIdentity(domain, myusername); PrincipalSearchResult<Principal> group = user.GetAuthorizationGroups(); this would work just fine and return me the correct user. I am simply trying to reduce the number of results as opposed to getting everything from AD. Is there anything that I am doing wrong? I've googled for hours and tested various combinations without much luck. Any help is appreciated. Thanks. Dan

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  • MVVM Prism Nested Regions Can't Find Child Regions

    - by Garry Clark
    I have a Menu (Telerik RadMenu) that has nested regions defined in the Shell. In my modules I will register the modules menu or toolbar items with these regions. Everything works fine for the root regions, but when I try and add something to a child region, such as the File region on the Menu, I get the error "The exception message was: The region manager does not contain the FileMenuRegion region." However like I said if I change this code regionManager.Regions[RegionNames.FileMenuRegion].Add(menuItem); to this regionManager.Regions[RegionNames.MainMenuRegion].Add(menuItem); everything works fine. Below is the XAML for my menu so you can see the region names and how they are constructed. Any help would greatly be appreciated as this is bewildering and driving me crazy. Menu <telerikNavigation:RadMenu x:Name="menuMain" DockPanel.Dock="Top" prismrgn:RegionManager.RegionName="{x:Static i:RegionNames.MainMenuRegion}" telerik:StyleManager.Theme="{Binding Source={StaticResource settings}, Path=Default.CurrentTheme}"> <telerikNavigation:RadMenuItem Header="{x:Static p:Resources.File}" prismrgn:RegionManager.RegionName="{x:Static i:RegionNames.FileMenuRegion}"> <telerikNavigation:RadMenuItem Header="{x:Static p:Resources.Exit}" Command="{Binding ExitCommand}"> <telerikNavigation:RadMenuItem.Icon> <Image Source="../Resources/Close.png" Stretch="None" /> </telerikNavigation:RadMenuItem.Icon> </telerikNavigation:RadMenuItem> </telerikNavigation:RadMenuItem> </telerikNavigation:RadMenu>

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  • Problem with ScriptManager.RegisterStartupScript in WebControl nested in UpdatePanel

    - by Chris
    Hello, I am having what I believe should be a fairly simple problem, but for the life of me I cannot see my problem. The problem is related to ScriptManager.RegisterStartupScript, something I have used many times before. The scenario I have is that I have a custom web control that has been inserted into a page. The control (and one or two others) are nested inside an UpdatePanel. They are inserted onto the page onto a PlaceHolder: <asp:UpdatePanel ID="pnlAjax" runat="server"> <ContentTemplate> <asp:PlaceHolder ID="placeholder" runat="server"> </asp:PlaceHolder> ... protected override void OnInit(EventArgs e){ placeholder.Controls.Add(Factory.CreateControl()); base.OnInit(e); } This is the only update panel on the page. The control requires some initial javascript be run for it to work correctly. The control calls: ScriptManager.RegisterStartupScript(this, GetType(), Guid.NewGuid().ToString(), script, true); and I have also tried: ScriptManager.RegisterStartupScript(Page, Page.GetType(), Guid.NewGuid().ToString(), script, true); The problem is that the script runs correctly when the page is first displayed, but does not re-run after a partial postback. I have tried the following: Calling RegisterStartupScript from CreateChildControls Calling RegisterStartupScript from OnLoad / OnPreRender Using different combinations of parameters for the first two parameters (in the example above the Control is Page and Type is GetType(), but I have tried using the control itself, etc). I have tried using persistent and new ids (not that I believe this should have a major impact either way). I have used a few breakpoints and so have verified that the Register line is being called correctly. The only thing I have not tried is using the UpdatePanel itself as the Control and Type, as I do not believe the control should be aware of the update panel (and in any case there does not seem to be a good way of getting the update panel?). Can anyone see what I might be doing wrong in the above? Thanks :)

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  • Nested UIScrollView-iPhone photos application

    - by abhishek trivedi
    Hi, I have been facing the same nested UIScrollView problem for long time.I tried some open source codes like Scrolling madness ,three-20 and others but all fails finaly.I am trying to make a photo Viewer application same as iPhone.For that I have created the structure like this:- 1)one View controller. 2)on view of view controller one UIScrollView (i.e inner/parent scroll view) as a child. 3)on inner/parent scroll view number of child scroll views(i.e. outer/child scroll views) ,each represents one page of photos application. 4)On each scroll view one image View on which i am displaying my image. So what I want is when user scrolls the outer scroll view it should scroll horizontally with all the child views so I will get the look and feel of paging in photos application.Also when user is on one specific image(i.e. child/outer scroll view) he should be able to zoom in/out,swipes and perform single/double tapping.I was able to make it work in sdk 2.1,but it dosnt work since sdk 3.0.Please tell me the idea behind your project.Means which scroll view you are subclassing ,in which view to detect touches.How this completely child - parent relation should be. If possible provide any sample code also.

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  • Getting Nested Object Property Value Using Reflection

    - by Kumar
    I have the following two classes: public class Address { public string AddressLine1 { get; set; } public string AddressLine2 { get; set; } public string City { get; set; } public string State { get; set; } public string Zip { get; set; } } public class Employee { public string FirstName { get; set; } public string MiddleName { get; set; } public string LastName { get; set; } public Address EmployeeAddress { get; set; } } I have an instance of the employee class as follows: var emp1Address = new Address(); emp1Address.AddressLine1 = "Microsoft Corporation"; emp1Address.AddressLine2 = "One Microsoft Way"; emp1Address.City = "Redmond"; emp1Address.State = "WA"; emp1Address.Zip = "98052-6399"; var emp1 = new Employee(); emp1.FirstName = "Bill"; emp1.LastName = "Gates"; emp1.EmployeeAddress = emp1Address; I have a method which gets the property value based on the property name as follows: public object GetPropertyValue(object obj ,string propertyName) { var objType = obj.GetType(); var prop = objType.GetProperty(propertyName); return prop.GetValue(obj, null); } The above method works fine for calls like GetPropertyValue(emp1, "FirstName") but if I try GetPropertyValue(emp1, "Address.AddressLine1") it throws an exception because objType.GetProperty(propertyName); is not able to locate the nested object property value. Is there a way to fix this?

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  • Convert a (nested)HTML unordered list of links to PHP array of links

    - by Klark
    Hi, I have a regular, nested HTML unordered list of links, and I'd like to scrape it with PHP and convert it to an array. The original list looks something like this: <ul> <li><a href="http://someurl.com">First item</a> <ul> <li><a href="http://someotherurl.com/">Child of First Item</a></li> <li><a href="http://someotherurl.com/">Second Child of First Item</a></li> </ul> </li> <li><a href="http://bogusurl.com">Second item</a></li> <li><a href="http://bogusurl.com">Third item</a></li> <li><a href="http://bogusurl.com">Fourth item</a></li> </ul> Any of the items can have children. (The actual screen scraping is not a problem, I can do that.) I'd like to turn this into a PHP array, of just the links, while keeping the hierarchical nature of the list. Any ideas? I've looked at using htmlsimpledom and phpQuery, which both use jQuery like syntax. But, I can't seem to get the syntax right. Thanks.

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  • Nested table height in TCPDF

    - by Kuroki Kaze
    Is it possible to make nested table fit height of its parent cell in TCPDF? My code: <?php require_once('tcpdf/config/lang/eng.php'); require_once('tcpdf/tcpdf.php'); $pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false); $pdf->setPrintHeader(false); $pdf->setPrintFooter(false); $pdf->SetFont('times', 'BI', 8); $pdf->AddPage(); $pdf->writeHTML('<table> <tr><td bgcolor="gray"> Angoisse et vif espoir, sans humeur factieuse.<br/> Plus allait se vidant le fatal sablier,<br/> Plus ma torture était âpre et délicieuse;<br/> Tout mon coeur s’arrachait au monde familier</td> <td bgcolor="lightgray">Second</td> <td bgcolor="gray">Third</td> <td> <table style="height: 100%"> <tr bgcolor="blue" style="height: 30%"><td bgcolor="yellow" style="height: 30%">Ichi</td></tr> <tr bgcolor="white" style="height: 30%"><td bgcolor="cyan" style="height: 30%">Ni</td></tr> <tr bgcolor="blue" style="height: 30%"><td bgcolor="yellow" style="height: 30%">San</td></tr> </table> </td></tr> </table>'); $pdf->Output('example_002.pdf', 'I'); ?> I want table in last cell to fill it entirely. Is there any way to do this?

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  • LINQ to SQL: filter nested objects with soft deletes

    - by Alex
    Hello everyone, I'm using soft deleting in my database (IsDeleted field). I'm actively using LoadWith and AssociateWith methods to retrieve and filter nested records. The thing is AssociateWith only works with properties that represents a one-to-many relationship. DataLoadOptions loadOptions = new DataLoadOptions(); loadOption.LoadWith<User>(u = > u.Roles); loadOption.AssociateWith<User>(u = > u.Roles.Where(r = > !r.IsDeleted)); In the example above I just say: I want to retrieve users with related (undeleted) roles. But when I have one-to-one relationship, e.g. Document - File (the only one file is related to the document) I'm unable to filter soft deleted object: DataLoadOptions loadOptions = new DataLoadOptions(); loadOption.LoadWith<Document>(d = > d.File); // the next certainly won't work loadOption.AssociateWith<File>(f = > !f.IsDeleted); So, is there any idea how to filter records within the one-to-one relationship? Thanks!

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  • BindAttribute, Exclude nested properties for complex types

    - by David Board
    I have a 'Stream' model: public class Stream { public int ID { get; set; } [Required] [StringLength(50, ErrorMessage = "Stream name cannot be longer than 50 characters.")] public string Name { get; set; } [Required] [DataType(DataType.Url)] public string URL { get; set; } [Required] [Display(Name="Service")] public int ServiceID { get; set; } public virtual Service Service { get; set; } public virtual ICollection<Event> Events { get; set; } public virtual ICollection<Monitor> Monitors { get; set; } public virtual ICollection<AlertRule> AlertRules { get; set; } } For the 'create' view for this model, I have made a view model to pass some additional information to the view: public class StreamCreateVM { public Stream Stream { get; set; } public SelectList ServicesList { get; set; } public int SelectedService { get; set; } } Here is my create post action: [HttpPost] [ValidateAntiForgeryToken] public ActionResult Create([Bind(Include="Stream, Stream.Name, Stream.ServiceID, SelectedService")] StreamCreateVM viewModel) { if (ModelState.IsValid) { db.Streams.Add(viewModel.Stream); db.SaveChanges(); return RedirectToAction("Index", "Service", new { id = viewModel.Stream.ServiceID }); } return View(viewModel); } Now, this all works, apart from the [Bind(Include="Stream, Stream.Name, Stream.ServiceID, SelectedService")] bit. I can't seem to Include or Exclude properties within a nested object.

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  • Nested multithread operations tracing

    - by Sinix
    I've a code alike void ExecuteTraced(Action a, string message) { TraceOpStart(message); a(); TraceOpEnd(message); } The callback (a) could call ExecuteTraced again, and, in some cases, asynchronously (via ThreadPool, BeginInvoke, PLINQ etc, so I've no ability to explicitly mark operation scope). I want to trace all operation nested (even if they perform asynchronously). So, I need the ability to get last traced operation inside logical call context (there may be a lot of concurrent threads, so it's impossible to use lastTraced static field). There're CallContext.LogicalGetData and CallContext.LogicalSetData, but unfortunately, LogicalCallContext propagates changes back to the parent context as EndInvoke() called. Even worse, this may occure at any moment if EndInvoke() was called async. http://stackoverflow.com/questions/883486/endinvoke-changes-current-callcontext-why Also, there is Trace.CorrelationManager, but it based on CallContext and have all the same troubles. There's a workaround: use the CallContext.HostContext property which does not propagates back as async operation ended. Also, it does'nt clone, so the value should be immutable - not a problem. Though, it's used by HttpContext and so, workaround is not usable in Asp.Net apps. The only way I see is to wrap HostContext (if not mine) or entire LogicalCallContext into dynamic and dispatch all calls beside last traced operation. Help, please!

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  • Linq Query to Update Nested Array Items?

    - by Brett
    I have an object structure generated from xsd.exe. Roughly, it consists of 3 nested arrays: protocols, sources and reports. The xml looks like this: <protocols> <protocol> <source> <report /> <report /> </source> <source> <report /> <report /> </source> </protocol> <!-- more protocols --> </protocols> I need to update a single "Report" within the data structure. A brute force algorithm is shown below. I know that this could be done using XDocument and Linq, but I'd prefer to update the data structure and then serialize the structure back to disk. Thoughts? Brett bool updated = false; foreach (ProtocolsProtocol protocol in protocols.Protocol) { if (updated) break; foreach (ProtocolsProtocolSource source in protocol.Source) { if (updated) break; for (int i = 0; i < source.Report.Length; i++) { ProtocolsProtocolSourceReport currentReport = source.Report[i]; if (currentReport.Id == report.Id) { currentReport.Attribute1 = report.Attribute1; currentReport.Attribute2 = report.Attribute2; updated = true; break; } } } }

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  • ASP MVC: Submitting a form with nested user controls

    - by Nigel
    I'm fairly new to ASP MVC so go easy :). I have a form that contains a number of user controls (partial views, as in System.Web.Mvc.ViewUserControl), each with their own view models, and some of those user controls have nested user controls within them. I intended to reuse these user controls so I built up the form using a hierarchy in this way and pass the form a parent view model that contains all the user controls' view models within it. For example: Parent Page (with form and ParentViewModel) -->ChildControl1 (uses ViewModel1 which is passed from ParentViewModel.ViewModel1 property) -->ChildControl2 (uses ViewModel2 which is passed from ParentViewModel.ViewModel2 property) -->ChildControl3 (uses ViewModel3 which is passed from ViewModel2.ViewModel3 property) I hope this makes sense... My question is how do I retrieve the view data when the form is submitted? It seems the view data cannot bind to the ParentViewModel: public string Save(ParentViewModel viewData)... as viewData.ViewModel1 and viewData.ViewModel2 are always null. Is there a way I can perform a custom binding? Ultimately I need the form to be able to cope with a dynamic number of user controls and perform an asynchronous submission without postback. I'll cross those bridges when I come to them but I mention it now so any answer won't preclude this functionality. Many thanks.

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  • extract specific element from nested elements using lxml html

    - by Dan.StackOverflow
    Hi all I am having some problems that I think can be attributed to xpath problems. I am using the html module from the lxml package to try and get at some data. I am providing the most simplified situation below, but keep in mind the html I am working with is much uglier. <table> <tr> <td> <table> <tr><td></td></tr> <tr><td> <table> <tr><td><u><b>Header1</b></u></td></tr> <tr><td>Data</td></tr> </table> </td></tr> </table> </td></tr> </table> What I really want is the deeply nested table, because it has the header text "Header1". I am trying like so: from lxml import html page = '...' tree = html.fromstring(page) print tree.xpath('//table[//*[contains(text(), "Header1")]]') but that gives me all of the table elements. I just want the one table that contains this text. I understand what is going on but am having a hard time figuring out how to do this besides breaking out some nasty regex. Any thoughts?

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  • refactor LINQ TO SQL custom properties that instantiate datacontext

    - by Thiago Silva
    I am working on an existing ASP.NET MVC app that started small and has grown with time to require a good re-architecture and refactoring. One thing that I am struggling with is that we've got partial classes of the L2S entities so we could add some extra properties, but these props create a new data context and query the DB for a subset of data. This would be the equivalent to doing the following in SQL, which is not a very good way to write this query as oppsed to joins: SELECT tbl1.stuff, (SELECT nestedValue FROM tbl2 WHERE tbl2.Foo = tbl1.Bar), tbl1.moreStuff FROM tbl1 so in short here's what we've got in some of our partial entity classes: public partial class Ticket { public StatusUpdate LastStatusUpdate { get { //this static method call returns a new DataContext but needs to be refactored var ctx = OurDataContext.GetContext(); var su = Compiled_Query_GetLastUpdate(ctx, this.TicketId); return su; } } } We've got some functions that create a compiled query, but the issue is that we also have some DataLoadOptions defined in the DataContext, and because we instantiate a new datacontext for getting these nested property, we get an exception "Compiled Queries across DataContexts with different LoadOptions not supported" . The first DataContext is coming from a DataContextFactory that we implemented with the refactorings, but this second one is just hanging off the entity property getter. We're implementing the Repository pattern in the refactoring process, so we must stop doing stuff like the above. Does anyone know of a good way to address this issue?

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  • JQuery Validation Plugin: Prevent validation issue on nested form

    - by Majid
    I have a form on which I use validation. This form has a section for photo upload. Initially this section contains six elements with the following code: <img class="photo_upload" src="image/app/photo_upload.jpg"> I have bound a function to the click event for the class of photo_upload. This function replaces the image with a minimal form with this code: Copy code <form onsubmit="startUploadImage();" target="control_target" enctype="multipart/form-data" method="post" action="index.php"> <input type="hidden" value="add_image" name="service"> <input type="hidden" value="1000000" name="MAX_FILE_SIZE"> <input type="file" size="10" name="photo" id="photo_file_upload"><br> <button onclick="javascript:cancel_photo_upload();return false;">Cancel</button> </form> So, essentially, after the image is clicked, I'd have a new form nested in my original, validated form. Now, when I use this new form and upload an image, I receive an error (repeated three times) saying: validator is undefined http://host.com/path/index.php Line 286 What is going on here? My guess is this Submit event bubbles up to the outer form As we have validation on that form, validation is triggered, Validation tries to find the form triggering it, Since we have not bound validation to the inner form it returns 'undefined' Now, is my assessment correct? Whether it is or not, how can I solve this issue?

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  • [javascript - jQuery] creating nested array's on the fly

    - by adardesign
    What i am trying to do is to loop this HTML and get an nested array of this HTML values that i want to grab. This script is just part of a whole function. html <div class="configureData"> <div title="Large"> <a href="yellow" title="true" rel="$55.00" name="sku22828"></a> <a href="green" title="true" rel="$55.00" name="sku224438"></a> <a href="Blue" title="true" rel="$55.00" name="sku22222"></a> </div> <div title="Large"> <a href="yellow" title="true" rel="$55.00" name="sku22828"></a> <a href="green" title="true" rel="$55.00" name="sku224438"></a> <a href="Blue" title="true" rel="$55.00" name="sku22222"></a> </div> <div title="Large"> <a href="yellow" title="true" rel="$55.00" name="sku22828"></a> <a href="green" title="true" rel="$55.00" name="sku224438"></a> <a href="Blue" title="true" rel="$55.00" name="sku22222"></a> </div> </div> javascript // this is part of a script..... parseData:function(dH){ dH.find(".configureData div").each(function(indA, eleA){ colorNSize.tempSizeArray[indA] = [eleA.title,[],[],[],[]] $(eleZ).find("a").each(function(indB, eleB){ colorNSize.tempSizeArray[indA][indB+1] = eleC.title }) }) }, I expect the end array should look like this. [ ["large", ["yellow", "green", "blue"], ["true", "true", "true"], ["$55", "$55","$55"] ], ["Medium", ["yellow", "green", "blue"], ["true", "true", "true"], ["$55", "$55","$55"] ] ] // and so on....

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  • JQUERY - jQuery UI Nested Sortables 2 - help getting it working

    - by nobosh
    Hello, I'm interested in using the following JQUERY - http://lucaswoj.com/2010/01/jquery-ui-nested-sortables-2/ However, I can't seem to get a demo instance of the plugin work. Here's the code I'm using: <script type="text/javascript"> $('#findit').nestedSortable({}); </script> <div > <ul id="findit"> <li> List Item Content <ul></ul> <li> <li> List Item Content 2 <ul></ul> <li> <li> List Item Content 3 <ul></ul> <li> <li> List Item Content 4 <ul></ul> <li> <ul> </div> Any ideas? Thanks

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  • How do I process a nested list?

    - by ddbeck
    Suppose I have a bulleted list like this: * list item 1 * list item 2 (a parent) ** list item 3 (a child of list item 2) ** list item 4 (a child of list item 2 as well) *** list item 5 (a child of list item 4 and a grand-child of list item 2) * list item 6 I'd like to parse that into a nested list or some other data structure which makes the parent-child relationship between elements explicit (rather than depending on their contents and relative position). For example, here's a list of tuples containing an item and a list of its children (and so forth): [('list item 1',), ('list item 2', [('list item 3',), [('list item 4', [('list item 5'),]] ('list item 6',)] I've attempted to do this with plain Python and some experimentation with Pyparsing, but I'm not making progress. I'm left with two major questions: What's the strategy I need to employ to make this work? I know recursion is part of the solution, but I'm having a hard time making the connection between this and, say, a Fibonacci sequence. I'm certain I'm not the first person to have done this, but I don't know the terminology of the problem to make fruitful searches for more information on this topic. What problems are related to this so that I can learn more about solving these kinds of problems in general?

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  • Catching a nested-in-template exception [C++]

    - by Karol
    Hello, I have a problem with writing a catch clause for an exception that is a class nested in a template. To be more specific, I have a following definition of the template and exception: /** Generic stack implementation. Accepts std::list, std::deque and std::vector as inner container. */ template < typename T, template < typename Element, typename = std::allocator<Element> > class Container = std::deque > class stack { public: class StackEmptyException { }; ... /** Returns value from the top of the stack. Throws StackEmptyException when the stack is empty. */ T top() const; ... } I have a following template method that I want exception to catch: template <typename Stack> void testTopThrowsStackEmptyExceptionOnEmptyStack() { Stack stack; std::cout << "Testing top throws StackEmptyException on empty stack..."; try { stack.top(); } catch (Stack::StackEmptyException) { // as expected. } std::cout << "success." << std::endl; } When I compile it (-Wall, -pedantic) I get the following error: In function ‘void testTopThrowsStackEmptyExceptionOnEmptyStack()’: error: expected type-specifier error: expected unqualified-id before ‘)’ token === Build finished: 2 errors, 0 warnings === Thanks in advance for any help! What is interesting, if the stack implementation was not a template, then the compiler would accept the code as it is.

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  • Validation of viewstate MAC failed with nested master page

    - by just_name
    After I use a nested master page ,I face the following problem : Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster. and sometimes Invalid related information [ViewStateException: Invalid viewstate. Client IP: 127.0.0.1 Port: User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20100101 Firefox/17.0 ViewState: 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...] [HttpException (0x80004005): Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.] System.Web.UI.ViewStateException.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError) +116 System.Web.UI.ViewStateException.ThrowMacValidationError(Exception inner, String persistedState) +13 System.Web.UI.ObjectStateFormatter.Deserialize(String inputString) +220 System.Web.UI.ObjectStateFormatter.System.Web.UI.IStateFormatter.Deserialize(String serializedState) +5 System.Web.UI.Util.DeserializeWithAssert(IStateFormatter formatter, String serializedState) +37 System.Web.UI.HiddenFieldPageStatePersister.Load() +202 System.Web.UI.Page.LoadPageStateFromPersistenceMedium() +106 System.Web.UI.Page.LoadAllState() +43 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3905 System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +262 System.Web.UI.Page.ProcessRequest() +79 System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +21 System.Web.UI.Page.ProcessRequest(HttpContext context) +109 ASP.frm_items2_aspx.ProcessRequest(HttpContext context) in c:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\a961040e\19f53d4c\App_Web_frm_items2.aspx.cdcab7d2.nkfrbsfi.0.cs:0 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +399 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +76 I use this Tool to fix this problem but in vain !! I don't know even the root cause of this problem !!

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  • nested insert exec work around

    - by stackoverflowuser
    i have 2 stored procedures usp_SP1 and usp_SP2. Both of them make use of insert into #tt exec sp_somesp. I wanted to created a 3rd stored procedure which will decide which stored proc to call. something like create proc usp_Decision ( @value int ) as begin if (@value = 1) exec usp_SP1 -- this proc already has insert into #tt exec usp_somestoredproc else exec usp_SP2 -- this proc too has insert into #tt exec usp_somestoredproc end Later realized I needed some structure defined for the return value from usp_Decision so that i can populate the SSRS dataset field. So here is what i tried: within usp_Decision created a temp table and tried to do "insert into #tt exec usp_SP1". Didn't work out. error "insert exec cannot be nested" within usp_Decision tried passing table variable to each of the stored proc and update the table within the stored procs and do "select * from ". That didnt work out as well. Table variable passed as parameter cannot be modified within the stored proc. Pls. suggest what can de done?

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  • Unable to access value of nested array element

    - by John Conde
    I'm having an issue getting the value of a nested array element. Here's what I've got: print_r($environment); // Outputs Array ( [0] => Array ( ['parameter'] => Vibration ['conditions'] => 204 ['method'] => D ) [1] => Array ( ['parameter'] => Immersion ['conditions'] => 104 ['method'] => B ) [2] => Array ( ['parameter'] => Shock ['conditions'] => 213 ['method'] => I ) [3] => Array ( ['parameter'] => Humidity ['conditions'] => 106 ['method'] => - ) ) print_r($environment[0]); // Outputs Array ( ['parameter'] => Vibration ['conditions'] => 204 ['method'] => D ) echo $environment[0]['parameter']; // Nothing Maybe I've been looking at this for too long. Any ideas would be greatly appreciated.

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