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  • django many to many validation when add()

    - by Julien
    Hi i have a Category model with parent/child self relation For primary category and sub categories : class Place(models.Model): name = models.CharField(_("name"), max_length=100) categories = models.ManyToManyField("Category", verbose_name=_("categories")) class Category(models.Model): name = models.CharField(_("name"), max_length=100) parent = models.ForeignKey('self', blank=True, null=True, related_name='child_set') i need to prevent orphans, to prevent this kind of errors (in admin web interface) c_parent = Category(name='Restaurant') c_parent.save() c_child = Category(name="Japanese restaurant", parent=c_parent) c_child.save() place1 = Place (name="Planet sushi") place1.save() place1.categories.add(c_parent) place1.categories.add(c_child) So now we have a new Place called "Planet sushi", it's a Restaurant (root category), and a Japanese Restaurant (sub category) but i want to prevent this kind of things : place2 = Place (name="Tokyofood") place2.save() place2.categories.add(c_child) because parent is not set, or is not the correct parent category where can i do form validation for the admin ? and other forms (because any user can add a new place and will have to choose correct categories for)

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  • visual studio 2010 add reference version missing

    - by Noel
    In VS2008 when I add a reference to a dll e.g log4Net I get the following in csproj <Reference Include="log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=1b44e1d426115821, processorArchitecture=MSIL"> <SpecificVersion>False</SpecificVersion> <HintPath>..\..\lib\log4net\log4net.dll</HintPath> </Reference> In VS2010 when I add a reference to a dll for the first time e.g log4Net I get the following in csproj (i.e no version number etc) <Reference Include="log4net"> <HintPath>..\..\lib\log4net\log4net.dll</HintPath> </Reference> If I remove reference and add a second time the same details as in VS2008 is there (Version etc) Anyone know why version number etc not present the first time I add a reference and why it is present on secound time reference added?

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  • Calling a Add-in function from Excel's VBA

    - by graham
    I am using an Excel Add-in for an Erlangs: http://abstractmicro.com/erlang/helppages/ref-erlbblockage.htm I try to call the Erlang-B function within the Add-in from within VBA thus: Function Erl(Erlangs As Double, Capacity As Double) Erl = Application.WorksheetFunction.ErlbBlockage(Capacity, Erlangs) End Function ...but it doesn't work. I get #VALUE! returned in the Excel cell. I think it is because the function is not part of standard Excel (it is in the Add-in). So how do I call it?

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  • How to add exception in this jquery code?

    - by metal-gear-solid
    How to add exception in this jquery code? $(function() { $("table tr:nth-child(even)").addClass("striped"); }); this code is applying on all tables. but for specfic pages i don't want strip effect. I've differnt body id on each page. I want to know how to add exception for a id. $(function() { $("table tr:nth-child(even)").addClass("striped"); //I want to add exception to not to add striped class to only to page with <body id="nostrip"> });

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  • How to add information to about screen of my cocoa app in Mac Os X

    - by Unicorn
    Hi All, I am pretty new in developing cocoa applications. I have developed a small UI application using cocoa. I wanted to add some information on about screen, currently it shows the app name and version which is 1.00. Can any one help me how i can add some information in about screen, is it possible to add information programmatically instead of hard coding it ? Any help will be appreciated.

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  • How to add new field(s) to the contact?

    - by user328302
    I want to add a Custom field to the ContactsContract content provider. I'm trying to build a Voip application and would like to add a SIP address(name@domain) field to it. What MIME type will I need to associate with it? Also I want to add a group address field which will have a list of group addresses in it (name@domain, name@domain,...). Wich MIME type will I have to associate with this type of field. I also want to add custom fields to the Call History like a session ID and SIP address(name@domain) field. How can I customize the call history? It'll be great if someone can give me an example.

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  • how to add a "Please select" to a dropdown box

    - by oo
    i have the following code in an asp.net mvc view. <% = Html.DropDownList("Filter", new SelectList(Model.Items, "Id", "Name", 0), new { @id = "Filter", @class = "autoComplete1" })%> i want to add an element at the top of the dropdown as the first item that says, "Please select". do i have to add that into my Model.Items or is there a way i can add that element into the view and ignore the selection of that first element ??

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  • add gtk.widget in a gnome Applet

    - by dominos
    Hi, I have a question : I write a little gnome applet, and when we click on a button i want to add a gtk.widget under the "gnome-panel" like the calendar of the clock-applet. But I don't know how to do this. It's my code : listButton = gtk.Button(_("lastest")) self.listTwitt = gtk.TreeView() mainLayout = gtk.VBox() mainLayout.pack_start(listButton) mainLayout.pack_start(self.listTwitt) self.applet.add(mainLayout) With this code, when i click on the button, the list shows up in the gnome panel : it's because I add it in the mainLayout. So how do I add it under the "gnome-panel". Thanks

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  • Add a file in a folder with bash

    - by CuriousGeorge
    I have figured out how to remove bad files in my folders but I am wanting to know how to add certain named files to that folder. I want to add something like address.xml I have this and can remove the bad files. for addxml in $(find $DIRECTORY/$directoryname -name address.xml); do rm -v $addxml done I am trying to learn how later down the code I can add a file from another folder no where near the folders that are being edited.

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  • Jump to 'git add -i' patch command (5) directly

    - by felixge
    How can I get "git add -i" to start up in patch mode directly without having to type "5" + Enter? I know about "git add -p", but it's not the same as it doesn't show me a list of files to select from first. This is very annoying because I'd like to jump between "git add -i" and "git commit" very quickly to turn my dirty tree into some nice looking commits.

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  • Google add sence reference

    - by mepo
    My client have a google add sense account and one add campaign with several adds under it. Clients needs to identify the Incoming users who comes through clicking each add. Client uses Drupal PHP site. Is there a possibility to track incoming users who comes through google adds.

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  • Add Controls to GroupBox which was created dynamically

    - by phil13131
    I add GroupBoxes to an ItemsControl dynamically using: string name_ = "TestName", header_ = "TestHeader" GroupBox MyGroupBox = new GroupBox { Name = name_, Header= header_, Width = 240, Height = 150, Foreground=new SolidColorBrush(Color.FromArgb(255, 0, 0, 0)) }; MyItemsControl.Items.Add(MyGroupBox); Now I need to add content to this GroupBox, like a few TextBlocks created like: TextBlock MyTextBlock = new TextBlock {Text = "test"}; But I can't figure out how to do that. Normally to a Grid or something like that I would just use .Children.Add(MyTextBlock), but that doesn't work here. Also I have to be able to remove specific Items from the ItemsControl again (best would be by the name of the Item, name_ in this example).

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  • using "Reference3 Interface" to add desired references to a project

    - by BDotA
    I found this: http://msdn.microsoft.com/en-us/library/vslangproj80.reference3%28VS.80%29.aspx what I have in mind is that many of the references that we add to our project are on a network drive and there are TON of them. Adding references to the project by right clicking on the References in the porject and choosing add reference is a pain. so I was wondering if I can take advantage of something like what I posted the link to it and have a small program,add-in,macro, etc! that we can give it a list of the references that I want and it will add them to the project.

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  • Create numbers within an array that add up to a set amount

    - by RussellDias
    I'm fairly new to PHP - programming in general. So basically what I need to accomplish is, create an array of x amount of numbers (created randomly) who's value add up to n: Lets say, I have to create 4 numbers that add up to 30. I just need the first random dataset. The 4 and 30 here are variables which will be set by the user. Essentially something like x = amount of numbers; n = sum of all x's combined; create x random numbers which all add up to n; $row = array(5, 7, 10, 8) // these add up to 30 Also, no duplicates are allowed. I need the values with an array. I have been messing around with it sometime, however, my knowledge is fairly limited. Any help will be greatly appreciated. Cheers

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  • How to add a web service reference in a DLL

    - by dan
    I'm creating a DLL with a reference to web services (I don't have the choice to do so) but I have to add web service references to the project that uses the DLL for it to work. Example, I have the DLL called API.DLL that calls a web service called WebService.svc that I want to use in a project called WinForm. First, I have to add a "Service Reference" to WebService.svc in API.DLL. Then, I add a reference API.DLL to WinForm but it doesn't work unless I also add a service reference to WebService.svc in WinForm. What can I do to avoid that last step?

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  • Add SQL Azure database to Azure Web Role and persist data with entity framework code first.

    - by MagnusKarlsson
    In my last post I went for a warts n all approach to set up a web role on Azure. In this post I’ll describe how to add an SQL Azure database to the project. This will be described with an as minimal as possible amount of code and screen dumps. All questions are welcome in the comments area. Please don’t email since questions answered in the comments field is made available to other visitors. As an example we will add a comments section to the site we used in the previous post (Länk här). Steps: 1. Create a Comments entity and then use Scaffolding to set up controller and view, and add ConnectionString to web.config. 2. Create SQL Azure database in Management Portal and link the new database 3. Test it online!   1. Right click Models folder, choose add, choose “class…” . Name the Class Comment. 1.1 Replace the Code in the class with the following: using System.Data.Entity; namespace MvcWebRole1.Models { public class Comment {    public int CommentId { get; set; }    public string Name { get; set; }      public string Content { get; set; } } public class CommentsDb : DbContext { public DbSet<Comment> CommentEntries { get; set; } } } Now Entity Framework can create a database and a table named Comment. Build your project to assert there are no build errors.   1.2 Right click Controllers folder, choose add, choose “class…” . Name the Class CommentController and fill out the values as in the example below.     1.3 Click Add. Visual Studio now creates default View for CRUD operations and a Controller adhering to these and opens them. 1.3 Open Web.config and add the following connectionstring in <connectionStrings> node. <add name="CommentsDb” connectionString="data source=(LocalDB)\v11.0;Integrated Security=SSPI;AttachDbFileName=|DataDirectory|\CommentsDb.mdf;Initial Catalog=CommentsDb;MultipleActiveResultSets=True" providerName="System.Data.SqlClient" />   1.4 Save All and press F5 to start the application. 1.5 Go to http://127.0.0.1:81/Comments which will redirect you through CommentsController to the Index View which looks like this:     Click Create new. In the Create-view, add name and content and press Create.   1: // 2: // POST: /Comments/Create 3:  4: [HttpPost] 5: public ActionResult Create(Comment comment) 6: { 7: if (ModelState.IsValid) 8: { 9: db.CommentEntries.Add(comment); 10: db.SaveChanges(); 11: return RedirectToAction("Index"); 12: } 13:  14: return View(comment); 15: } 16:    The default View() is Index so that is the View you will come to. Looking like this: 1: // 2: // GET: /Comments/ 3: 4: public ActionResult Index() 5: { 6: return View(db.CommentEntries.ToList()); 7: } Resulting in the following screen dump(success!):   2. Now, go to the Management portal and Create a new db.   2.1 With the new database created. Click the DB icon in the left most menu. Then click the newly created database. Click DASHBOARD in the top menu. Finally click Connections strings in the right menu to get the connection string we need to add in our web.debug.config file.   2.2 Now, take a copy of the connection String earlier added to the web.config and paste in web.debug.conifg in the connectionstrings node. Replace everything within “ “ in the copied connectionstring with that you got from SQL Azure. You will have something like this:   2.3 Rebuild the application, right click the cloud project and choose “Package…” (if you haven’t set up publishing profile which we will do in our next blog post). Remember to choose the right config file, use debug for staging and release for production so your databases won’t collide. You should see something like this:   2.4 Go to Management Portal and click the Web Services menu, choose your service and click update in the bottom menu.   2.5 Link the newly created database to your application. Click the LINKED RESOURCES in the top menu and then click “Link” in the bottom menu. You should get something like this. 3. Alright then. Under the Dashboard you can find the link to your application. Click it to open it in a browser and then go to ~/Comments to try it out just the way we did locally. Success and end of this story!

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  • Test Strategy for Addins

    - by Amit
    I was wondering if someone from the forum, can help me in uderstanding the type of Testing that will be performed, I mean a Test Strategy, we need to test things like Add-ins. Also need to know how can I reply to the person who has replied to my question, I kow its a bit not so mature quesiton, but if someone can explain. Regards Amit

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  • VBNet2008 Transfer DATAREADER rows to CrystalReport DataSet1.xsd

    - by lennie
    Hi Good Guys, I need your help. Please help me as I am a newbie using VB.NET. I have been asked to transfer DATAREADER rows into Crystal Report DATASET1.XSD Here are the coding Private Sub BtnTransfer() dim strsql as string = "Select OrderID, OrderDate from ORDERS" dim DS as new dataset1 '<---crysal report dataset1.xsd dim DR as SqlDataReader dim RW as DataRow = DS.Tables(0).NewRow sqlconn = new sqlconnection(ConnString) sqlcmd = new sqlCommand(strSql, sqlconn) sqlcmd.Connection.open() DR = sqlcmd.ExecuteReader(CommandBehaviour.CloseConnection) Do while DR.READ RW("OrderID") = DR("OrderID") RW("OrderDate") = DR(OrderDate") DS.Tables(0).Rows.ADD(RW) Loop End sub

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