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  • Best Practise/Subjective: Implement a finite state automaton in OOP

    - by poeschlorn
    Hi guys, I am thinking about implementing a programm with finite state automaton in an OOP language like Java or C++. What would you think is the best way to implement this with a manageable amount of available states, regarding to good software design? Is it good to implement for each state an own class? If yes, how to do the bridge between two states? Thanks for any comment!

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  • Toolbar items in sub-nib

    - by roe
    This question has probably been asked before, but my google-fu must be inferior to everybody else's, cause I can't figure this out. I'm playing around with the iPhone SDK, and I'm building a concept app I've been thinking about. If we have a look at the skeleton generated with a navigation based app, the MainWindow.xib contains a navigation controller, and within that a root-view controller (and a navigation bar and toolbar if you play around with it a little). The root-view controller has the RootViewController-nib associated with it, which loads the table-view. So far so good. To add content to the tool bar and to the navigation bar, I'm supposed to add those to in the hierarchy below the Root View Controller (which works, no problem). However, what I can't figure out is, this is all still within the MainWindow.xib (or, at runtime, nib). How would I define a xib in order for it to pick up tool bar items from that? I want to do (the equivalent of, just reusing the name here) RootViewController *controller = [[RootViewController alloc] initWithNibName:nil bundle:nil]; [self.navigationController pushViewController:controller animated:YES]; [controller release]; and have the navigation controller pick-up on the tool bar items defined in that nib. The logical place to put it would be in the hierarchy under File's Owner (which is of type RootViewController), but it doesn't appear to be possible. Currently, I'm assigning these (navigationItem and toolbarItems) manually in the viewDidLoad method, or define them in the MainWindow.xib directly to be loaded when the app initializes. Any ideas? Edit I guess I'll try to explain with a picture. This is the Interface Builder of the main window, pretty much as it comes out of the wizard to create a navigation based project. I've added a toolbar item for clarity though. You can see the navigation controller, with a toolbar and a navigation bar, and the root view controller. Basically, the Root View Controller has a bar button item and a navigation item as you can see. The thing is, it's also got a nib associated with it, which, when loaded will instantiate a view, and assign it to the view outlet of the controller (which in that nib is File's Owner, of type RootViewController, as should be). How can I get the toolbar item, and the navigation item, into the other nib, the RootViewController.nib so I can remove them here. The RootViewController.nib adds everything else to the Root View Controller, why not these items? The background for this is that I want to simply instantiate RootViewController, initialize it with its own nib (i.e. initWithNibName:nil shown above), and push it onto the navigation controller, without having to add the navigation/toolbar items in coding (as I do it now).

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  • Databinding items to Canvas

    - by Jo-wen
    I have a userControl that contains a canvas. I would like to databind items to it so they are positioned automagically. Here's a great example that shows how to databind items on a canvas, but I want it to work on my specific userControl. (I believe it's not possible to specify a userControl in a ItemsPanelTemplate)

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  • Find items is SSRS by Id

    - by chief7
    How do you find items in SSRS by ID? I tried to use the id returned by another find result, a new guid to string and small random string all of which return the same error: The ID field has a value that is not valid. --- Microsoft.ReportingServices.Diagnostics.Utilities.InvalidElementException: The ID field has a value that is not valid. Here is the code: var request = new FindItemsRequest { Conditions = new[] { new SearchCondition { Name = "ID", Value = "test"} }, Folder = "/" }; return _ssrsService .FindItems(request) .Items I'm using SSRS 2005.

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  • Animating list items with jQuery

    - by Giles B
    Hi Guys, Im trying to find the best way of animating a list of items one by one. So for example I have a UL with 7 items in it and when my trigger element is clicked I want each item to fade in one below the other with a slight delay between each item. Any ideas would be most appreciated. Thanks

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  • ajaxToolkit:DropDownExtender where is items ?

    - by nCdy
    <asp:TextBox ID="TextBox5" runat="server" Height="30px" Width="68px"></asp:TextBox> <ajaxToolkit:DropDownExtender ID="TextBox5_DropDownExtender" runat="server" DynamicServicePath="" Enabled="True" TargetControlID="TextBox5"> </ajaxToolkit:DropDownExtender> //this.TextBox5_DropDownExtender ???? YearList.Items.Add(DateTime.Today.AddYears(-i).ToString("yyyy")); Question : where is items for this DropDownExtender ?

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  • Checking a set of listbox items against a text box vb.net

    - by Shane Fagan
    Hi all I have this code to check if an item from a textbox is in a listbox and its giving me the error at the bottom. Any ideas what im doing wrong? I copied it from another part of my project and it was working for that part so I cant see whats wrong. If LocationsSearchTextBox.Text <> "" And LocationListBox.Items.Count > 0 Then tempInt = 0 While (tempInt < ClientListBox.Items.Count) If LocationListBox.Items(tempInt).ToString.Contains(LocationsSearchTextBox.Text) = False Then LocationListBox.Items.RemoveAt(tempInt) End If tempInt += 1 End While End If System.ArgumentOutOfRangeException was unhandled Message="InvalidArgument=Value of '2' is not valid for 'index'. Parameter name: index" ParamName="index" Source="System.Windows.Forms" StackTrace: at System.Windows.Forms.ListBox.ObjectCollection.get_Item(Int32 index) at AuctioneerProject.Viewing.LocationsSearchTextBox_KeyPress(Object sender, KeyPressEventArgs e) in C:\Users\admin\Desktop\Auctioneers\AuctioneerProject\AuctioneerProject\Viewing.vb:line 301 at System.Windows.Forms.Control.OnKeyPress(KeyPressEventArgs e) at System.Windows.Forms.Control.ProcessKeyEventArgs(Message& m) at System.Windows.Forms.Control.ProcessKeyMessage(Message& m) at System.Windows.Forms.Control.WmKeyChar(Message& m) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.TextBoxBase.WndProc(Message& m) at System.Windows.Forms.TextBox.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg) at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData) at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context) at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context) at System.Windows.Forms.Application.Run(ApplicationContext context) at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.OnRun() at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.DoApplicationModel() at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.Run(String[] commandLine) at AuctioneerProject.My.MyApplication.Main(String[] Args) in 17d14f5c-a337-4978-8281-53493378c1071.vb:line 81 at System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args) at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args) at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly() at System.Threading.ThreadHelper.ThreadStart_Context(Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart() InnerException:

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  • Sort specific items of an array first

    - by Matt Huggins
    I have a ruby array that looks something like this: my_array = ['mushroom', 'beef', 'fish', 'chicken', 'tofu', 'lamb'] I want to sort the array so that 'chicken' and 'beef' are the first two items, then the remaining items are sorted alphabetically. How would I go about doing this?

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  • How to manage state in REST

    - by user317050
    I guess this question will sound familiar, but I am yet another programmer baffled by REST. I have a traditional web application which goes from StateA to StateB and so on If the user goes to (url of) StateB, I want to make sure that he has visited StateA before. Traditionally, I'd do this using session state. Since session state is not allowed in REST, how do I achieve this?

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  • Windows Azure role is state full or not

    - by taimoor-haider
    According to MSDN, an azure service can conatins any number of worker roles. According to my knowledge a worker role can be recycled at any time by Windows Azure Fabric. If it is the true, then: Worker role should be state less OR Worker role should persist its state to Windows Azure storage services. But i want to make a service which conatains client data and do not want to use Azure storage service. How I can accomplish this?

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  • WPF: ComboBox Max Items?

    - by Jonathan Allen
    What is the maximum number of items you can put in a WPF ComboBox before it starts suffering serious performance degration? (Assume bare-bones XP business-class computer.) What is the maximum number of items you can put in a WPF ComboBox before a typical user will start complaining?

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  • get city, state or zip from a string in python

    - by Joe
    I'd like to be able to parse out the city, state or zip from a string in python. So, if I entered Boulder, Co 80303 Boulder, Colorado Boulder, Co 80303 ... any variation of these it would return the city, state or zip. This is all going to be user inputted data and inputted in one text field.

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  • Asp Dot Net : IHttpModule + m_context.Server.Transfer = session state error

    - by tinky05
    I have an IHttpModule that implements IRequiresSessionState. The session state is at "on" on the page directive and I also added it to the web.config. In the method "OnBeginRequest" in the IHttpModule, I make a Server.Transfer but I get the error : Session state can only be used when enableSessionState is set to true, either in a configuration file or in the Page directive. When I access the page directly or with a Response.Redirect, there is no error. Any idea?

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  • SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed

    - by Vikash
    I am using Authlogic-Connect for third party logins. After running appropriate migrations, Twitter/Google/yahoo logins seem to work fine but the facebook login throws exception: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed The dev log shows OpenSSL::SSL::SSLError (SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed): app/controllers/users_controller.rb:37:in `update' Please suggest..

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  • C# invisible items in combobox

    - by Lai
    Hi, I'm loading Strings to a Combobox - cboIndexLanguage.Items.Add("ThisLanguage") i would like to make several of these items invisible. does anyone knows how to do it? Thanks For Advance,

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  • get city state from google map

    - by apueee
    I'm using google map api for showing location. In that i case i need option to get city sate zip from google map marker. In map , user can move the marker to position it after drag finished it will return the city, state and zip. I have successfully get the lat and lng but how can i get the city , state and zip. please help me as soon as possible..

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