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• Telerik RADGrid - linq and updating

  - by Dave

  Hi Telerik's RADGrid, basing on their example on http://demos.telerik.com/aspnet-ajax/grid/examples/dataediting/programaticlinqupdates/defaultcs.aspx Problem: I can insert and delete, however updating doesn't work. No error trapped. Data just doesn't change. From the code below it looks like Telerik Grid is doing some kung-fu behind the…

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• .NET C#: WebBrowser control Navigate() does not load targeted URL

  - by Dave

  Hey guys, I'm trying to programmatically load a web page via the WebBrowser control with the intent of testing the page & it's JavaScript functions. Basically, I want to compare the HTML & JavaScript run through this control against a known output to ascertain whether there is a problem. However, I'm having trouble simply creating…

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• Sort latitude and longitude coordinates into clockwise ordered quadrilateral

  - by Dave Jarvis

  Problem Users can provide up to four latitude and longitude coordinates, in any order. They do so with Google Maps. Using Google's Polygon API (v3), the coordinates they select should highlight the selected area between the four coordinates. Solutions and Searches http://www.geocodezip.com/map-markers_ConvexHull_Polygon.asp…

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• Need additional help with binding multiple CommandParameters using MultiBinding

  - by Dave

  I need to have a command handler for a ToggleButton that can take multiple parameters, namely the IsChecked property of said ToggleButton, along with a constant value, which could be a string, byte, int... doesn't matter. I found this great question on SO and followed the answer's link and read up on MultiBinding and…

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• Creating a "crossover" function for a genetic algorithm to improve network paths

  - by Dave

  Hi, I'm trying to develop a genetic algorithm that will find the most efficient way to connect a given number of nodes at specified locations. All the nodes on the network must be able to connect to the server node and there must be no cycles within the network. It's basically a tree. I have a function that can…

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• Migrate from MySQL to PostgreSQL on Linux (Kubuntu)

  - by Dave Jarvis

  A long time ago in a galaxy far, far away... Trying to migrate a database from MySQL to PostgreSQL. All the documentation I have read covers, in great detail, how to migrate the structure. I have found very little documentation on migrating the data. The schema has 13 tables (which have been migrated successfully)…

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• Binding not writing to datasource on .NET Compact Framework Form -- works on Full Framework

  - by Dave Welling

  I have a problem with a bound user control writing back to it's datasource on a NetCF forms application. The application is too complex to post code, so I made a toy version to show you. I create a form, usercontrol with a combobox, a class (testBind) and another class (TestLookup). I bind a property of the…

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• UIActionSheet position on landscape and portrait

  - by Dave

  UIActionSheet positioning is not centered when I open it in landscape mode. If I set bounds or change the frame. The contents inside the UIActionSheet which is a subview changes but the actual sheet remains in the same place which looks very awkward. How do I move the UIActionSheet along with it's subview to…

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• Databinding to ObservableCollection in a different UserControl?

  - by Dave

  Question re-written on 2010-03-24 I have two UserControls, where one is a dialog that has a TabControl, and the other is one that appears within said TabControl. I'll just call them CandyDialog and CandyNameViewer for simplicity's sake. There's also a data management class called Tracker that manages…

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• iPod/iPhone OpenGL ES UIView flashes when updating

  - by Dave Viner

  I have a simple iPhone application which uses OpenGL ES (v1) to draw a line based on the touches of the user. In the XCode Simulator, the code works perfectly. However, when I install the app onto an iPod or iPhone, the OpenGL ES view "flashes" when drawing the line. If I disable the line drawing,…

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• Visual Studio 2008 maintenance mode - I can't remember my installation source drive letter!!!

  - by Dave

  I've searched high and low for this and can't find the answer anywhere. I installed VS2008, but my drive letters are all mapped differently now, and of course I need to add a component to my current installation (VC++). But since I don't know which drive letter it was installed from, and since I…

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• MKMapView - viewForAnnotation not called while loading more results

  - by Dave

  I have a search enabled map view. When user hits search, my custom annotations are added to the map view. The search returns 20 results with a 'load more' link. When I hit load more, more annotations should be added to map view. The problem is - annotations gets added to the map view but is not…

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• UIActionSheet positioning problem

  - by Dave

  I need to display a pop with a UISwitch and a Done button when user taps on a button and save the state of the switch when the done button in the pop up is tapped. So I use UIActionSheet to do this - sheet = [[UIActionSheet alloc] initWithTitle:@"Switch Setting" …

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• Minimax algorithm: Cost/evaluation function?

  - by Dave

  Hi guys, A school project has me writing a Date game in C++ (example at http://www.cut-the-knot.org/Curriculum/Games/Date.shtml) where the computer player must implement a Minimax algorithm with alpha-beta pruning. Thus far, I understand what the goal is behind the algorithm in terms of…

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• A help system for a PHP web app

  - by Dave

  Hi, As our new web app gets more complicated, so the need for help docs increases. I am not talking about documenting code, I am literally talking about application help. So myapp/help, or for example, enabling context help from a particular point in the app with a link such as…

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• Latitude/Longitude Qt4 widget?

  - by Dave

  What is the best starting point for a Qt4 widget for entering Latitude/Longitude in DD:MM:SS format (degrees, minutes, seconds)? Customize a QLineEdit? A series of spin boxes?

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• What output and recording ports does the Java Sound API find on your computer?

  - by Dave Carpeneto

  Hi all - I'm working with the Java Sound API, and it turns out if I want to adjust recording volumes I need to model the hardware that the OS exposes to Java. Turns out there's a lot of variety in what's presented. Because of this I'm humbly asking that anyone able to help me…

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• Databinding between UserControls?

  - by Dave

  I've got a situation where one of my UserControls would like to display a list of strings in a droplist, and the ItemsSource is set to another UserControl's ObservableCollection. The consumer of this data has its droplist defined in XAML like this: <ComboBox Grid.Column="1"…

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• ListView + MultipleSelect + MVVM = ?

  - by Dave

  If I were to say "the heck with it!", I could just give my ListView with SelectionMode="Multiple" a name, and be able to get all of the selected items very easily. But I'm trying to stick to MVVM as much as possible, and I want to somehow databind to an ObservableCollection…

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• creating a Grails application in IntelliJ IDEA 9.0.x fails to prompt for "create-app"

  - by dave

  When I create a Grails application in IntelliJ 9 on Snow Leopard I am not prompted to create an application. IntelliJ finished the wizard and creates an empty project that is not a Grails application. I have tried two different Apple computers (MacBook Pro and Mac Pro) it…

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• UIKeyBoard resize on orientation change to landscape

  - by Dave

  This is very rookie question. I have a UIToolBar at the bottom which is supposed to animatedly move up and down with key board when the UIKeyBoard is displayed. I got that working with the help of UIKeyBoard Notifications. The view we are talking about has split view…

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• C# WPF fill datagrid or listview from XML file

  - by Dave

  I have a well formed XML file I would like to fill a datagrid with. I would prefer using the AutoGenerate feature of WFPToolKit datagrid, but could hard code the columns in. The trouble I am having is getting the xml file contents into a datagrid. I had it…

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• Auto-Deploy SSRS reports with TFS

  - by Dave

  Hi, Can anyone explain how to create a custom build to deploy reporting services reports with TFS? Is it possible? If so then how... Samples or articles will be greatly appreciated. Thanks

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• serializing type definitions?

  - by Dave

  I'm not positive I'm going about this the right way. I've got a suite of applications that have varying types of output (custom defined types). For example, I might have a type called Widget: Class Widget Public name as String End Class Throughout…

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• Strange crashes when using MPMoviePlayerController in iPad and iPad simulator with iOS 4.2.

  - by Dave L

  I'm getting crashes when trying to play a movie using MPMoviePlayerController on the iPad and in the iPad simulator using iOS 4.2. I am building using xcode 3.2.5 and the 4.2 SDK. When running on an iPad using iOS 3.2 or in the iPad simulator 3.2, the same…

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