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  • UI not redrawing after display powered off on Win 7

    - by oltman
    Some portions of my application's interface are not getting refreshed after Windows 7 powers down the display. More specifically, I'm swapping out images, User Controls, and a button's content while the display is powered off and after it has been restarted, and this isn't being reflected in the UI until I minimize and restore the window or move it to one of the screen's edges. I've tried calling the Window's InvalidateVisual() method when the app was in a state where it needed to redraw, and that didn't solve the problem. I have only been able to reproduce this issue on Windows 7. Any ideas?

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  • User defined top level control in XAML

    - by luke
    A normal UserControl looks like this in XAML: <UserControl x:Class="mynamespace.foo" ...namespaces...> <!-- content --> </UserControl> I'd like to be able to define my own top level object, along the lines of: <MyControl x:Class="mynamespace.mycontrol" ...namespaces...> <!-- content --> </UserControl> Where MyControl derives from a UserControl itself. Of course the compiler complains about "MyControl" not being found. Is there a way around this?

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  • Problem with binding from style

    - by Maurizio Reginelli
    I have this block of xaml and I made a ViewModel which contains a property called MyBrush. I would like to set the grid background to that property but this block doesn't work. Could you tell me how can I do that? <Style x:Key="myKey" TargetType="myType"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="myType"> <Grid Background="{Binding RelativeSource={RelativeSource Self}, Path=MyBrush}"> ...

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  • Ruby on Rails testing: How can I test or at the very least see a form_for's error_messages_for?

    - by williamjones
    I'm working on creating a tests, and I can't figure out why the creation of a model from a form_for is failing in the test but works in real browsers. Is there a straightforward way for me to see what the problems are in the model creation? Even better would be, is there a straightforward way for me to test the error outputs that I access via error_messages_for? In that case, I'd like to also add in tests that make sure that malformed forms are outputting the correct errors.

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  • Get rid of XAML Window from Taskbar

    - by griegs
    If I have a XAML window that I show with ShowDialog, is there a way to make it (not) appear in the taskbar? The problem is that I can set the window to be topmost but if that window opens another dialog and I set that also to be topmost, I can put the second behind the first by clicking in the taskbar. This tends to confuse users.

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  • Is it possible to vertical align listitem marker in a flowdocument?

    - by Oggy
    I want to to align listitem marker to the top, default is alignment to the bottom of the first block. My faulty code: <Grid> <FlowDocumentScrollViewer> <FlowDocument> <List MarkerStyle="Decimal"> <ListItem> <BlockUIContainer> <Grid> <Rectangle Height="100" Fill="HotPink" /> <TextBlock VerticalAlignment="Center" HorizontalAlignment="Center">Picture</TextBlock> </Grid> </BlockUIContainer> <Paragraph>TextTextTextTextTextTextText</Paragraph> </ListItem> </List> </FlowDocument> </FlowDocumentScrollViewer> </Grid>

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  • Splitting build cross the network?

    - by Dandikas
    Is there a known solution for splitting build process cross the network machines? Use case: We are an average software development company. We own around 50 development workstations (Quad Core 2.66Ghz, 4 GB ram, 200 GB raid). No need to tell that at any single moment not every machine is loaded to the max. There are 5 to 15 projects running simultaneously at any single moment. Obviously all of them are continuously build on server, than deployed to proper environment. Single project build is taking from 3 to 15 minutes. The problem: Whenever we build 5 projects in a row the last project is going to be ready after around 25 - 50 minutes. Building in parallel does not solve the problem (build is only a part of the game, than you need to deploy, run tests etc.) YES the correct solution is to add another build server, but "That involves buying new Expensive hardware, and we already spent a lot!". Yea, right(damn them)! Anyway. What about splitting build among developers workstation? Lets say whenever we need to build project "A" we check 5 workstations and start build on all that are not overloaded. The build can be canceled by a developer if he really needs all the power of his machine as long as there is at least 1 machine that is still building. After build is finished deployment can be performed to a proper environment (hosted on some server, not on workstation :) ). The bigger the company the more this makes sense to me. Anyone tried something like this? Are there any good practices? Any helpful software? (90% of the projects are .net C#)

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  • Listing time every second as a Bash script

    - by Caleb
    Hello all, first time here as I've finally started to learn programming. Anyway, I'm just trying to print the time in nanoseconds every second here, and I have this: #!/usr/bin/env bash while true; do date=(date +%N) ; echo $date ; sleep 1 ; done Now, that simply yields a string of date's, which isn't what I want. My learning has been rather messy, so I hope you'll excuse me for this if it's really simple. Also, I did manage to fine this, that worked on the prompt: while true ; do date +%N ; sleep 1 ; done But that obviously doesn't work as a script.

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  • How to restart a wcf server from within a client?

    - by djerry
    Hey guys, I'm using Wcf for server - client communication. The server will need to run as a service, so there's no GUI. The admin can change settings using the client program and for those changes to be made on server, it needs to restart. This is my server setup NetTcpBinding binding = new NetTcpBinding(SecurityMode.Message); Uri address = new Uri("net.tcp://localhost:8000"); //_svc = new ServiceHost(typeof(MonitoringSystemService), address); _monSysService = new MonitoringSystemService(); _svc = new ServiceHost(_monSysService, address); publishMetaData(_svc, "http://localhost:8001"); _svc.AddServiceEndpoint(typeof(IMonitoringSystemService), binding, "Monitoring Server"); _svc.Open(); MonitoringSystemService is a class i'm using to handle client - server comm. It looks like this: [CallbackBehavior(ConcurrencyMode = ConcurrencyMode.Reentrant)] [ServiceBehavior(InstanceContextMode = InstanceContextMode.Single, MaxItemsInObjectGraph = 2147483647)] public class MonitoringSystemService : IMonitoringSystemService {} So i need to call a restart method on the client to the server, but i don't know how to restart (even stop - start) the server. I hope i'm not missing any vital information. Thanks in advance.

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  • Why does this IF statement fail?

    - by ChosenOne
    If variable path is empty, and editor.Text is not empty, the SaveFileDialog should be displayed. Now, why on earth is this damn thing failing??? I have tried this with many different variations of code with the same result: FAIL: if(path.Length >= 1) // path contains a path. Save changes instead of creating NEW file. { File.WriteAllText(path, content); } else { // no path defined. Create new file and write to it. using(SaveFileDialog saver = new SaveFileDialog()) { if(saver.ShowDialog() == DialogButtons.OK) { File.WriteAllText(saver.Filename, content); } } } At the top of code file I have: path = String.Empty; So why the heck it this failing every single time, even after trying all of the below variations? if(path.Length > 1) // path contains a path. Save changes instead of creating NEW file. { File.WriteAllText(path, content); } else { // no path defined. Create new file and write to it. using(SaveFileDialog saver = new SaveFileDialog()) { if(saver.ShowDialog() == DialogButtons.OK) { File.WriteAllText(saver.Filename, content); } } } and if(String.IsNullOrEmpty(path)) // path contains a path. Save changes instead of creating NEW file. { File.WriteAllText(path, content); } else { // no path defined. Create new file and write to it. using(SaveFileDialog saver = new SaveFileDialog()) { if(saver.ShowDialog() == DialogButtons.OK) { File.WriteAllText(saver.Filename, content); } } } and if(String.IsNullOrWhiteSpace(path)) // path contains a path. Save changes instead of creating NEW file. { File.WriteAllText(path, content); } else { // no path defined. Create new file and write to it. using(SaveFileDialog saver = new SaveFileDialog()) { if(saver.ShowDialog() == DialogButtons.OK) { File.WriteAllText(saver.Filename, content); } } } This is making me very angry. How could this fail? Setting a break point reveals that path is definitely null/"".

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  • how can i store value in button at runtime?

    - by SHASHANK
    Hello all I have a problem i have some dynamic button.and i want to store integer value in that. and get that value on that click event of that button how can i achieve it thanks in advance shashank DataView dv = new DataView(dtCat, "PK_CATEGORY_ID IN(" + categoryIds.ToString() + "0)", "PK_CATEGORY_ID", DataViewRowState.CurrentRows); foreach (DataRowView rr in dv) { //MessageBox.Show(rr[0].ToString() + "------------" + rr[1].ToString()); Button b2 = new Button(); //b2.Name = rr[0].ToString(); b2.Name = ""; b2.Height = 200; b2.Width = 200; b2.Margin = new Thickness(0, -100, 0, 0); b2.HorizontalAlignment = HorizontalAlignment.Left; b2.Content = rr[1].ToString(); b2.Background = System.Windows.Media.Brushes.Pink; b2.Click += new RoutedEventHandler(b2_Click); btncanvas.Children.Add(b2); Canvas.SetLeft(b2, b2.Width * i); i = i + 1; MessageBox.Show(rr[0].ToString()); b2.Tag = rr[0].ToString(); } void b2_Click(object sender, RoutedEventArgs e) { Button clicked = (Button)sender; categoryname = clicked.Name; }

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  • How to launch ATG application from Eclipse?

    - by didxga
    How to integrate ATG framework with eclipse so that i can run ATG application from eclipse and debug it using eclipse debugging plugins ? which development tools do you use when developing ATG application? Thanks in advance for any helps from you. Regards!

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  • How do I stop ValueConverters from firing when swapping the content of a ContentControl

    - by DanM
    I thought what I was doing was right out of the Josh Smith MVVM handbook, but I seem to be having a lot of problems with value converters firing when no data in the view-model has changed. So, I have a ContentControl defined in XAML like this: <ContentControl Grid.Row="0" Content="{Binding CurrentViewModel}" /> The Window containing this ContentControl references a resource dictionary that looks something like this: <ResourceDictionary ...> <DataTemplate DataType="{x:Type lib_vm:SetupPanelViewModel}"> <lib_v:SetupPanel /> </DataTemplate> <DataTemplate DataType="{x:Type lib_vm:InstructionsPanelViewModel}"> <lib_v:InstructionsPanel /> </DataTemplate> </ResourceDictionary> So, basically, the two data templates specify which view to show with which view-model. This switches the views as expected whenever the CurrentViewModel property on my window's view-model changes, but it also seems to cause value converters on the views to fire even when no data has changed. It's a particular problem with IMultiValueConverter classes, because the values in the value array get set to DependencyProperty.UnsetValue, which causes exceptions unless I specifically check for that. But I'm getting other weird side effects too. This has me wondering if I shouldn't just do everything manually, like this: Instantiate each view. Set the DataContext of each view to the appropriate view-model. Give the ContentControl a name and make it public. Handle the PropertyChanged event for the window. In the event handler, manually set the Content property of the ContentControl to the appropriate view, based the CurrentViewModel (using if statements). This seems to work, but it also seems very inelegant. I'm hoping there's a better way. Could you please advise me the best way to handle view switching so that value converters don't fire unnecessarily?

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  • Using the same style in many listviews

    - by Erik
    I want to use the same style in many listviews. And in my style i have defined the gridview columns also. But when i try to run, it throws an exception: View can't be shared by more than one ListView. How can i solve this?

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  • Trying to get a better understanding of SelectedValuePath and IsSynchronizedWithCurrentItem

    - by rasx
    The following XAML produces a run-time Binding error when I click on an item in the ListBox: <Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:sys="clr-namespace:System;assembly=mscorlib" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" x:Class="WpfApplication1.MainWindow" x:Name="Window" Title="MainWindow" Width="640" Height="480"> <Window.Resources> <x:Array x:Key="strings" Type="{x:Type sys:String}"> <sys:String>one</sys:String> <sys:String>two</sys:String> <sys:String>three</sys:String> <sys:String>four</sys:String> </x:Array> </Window.Resources> <Grid> <ListBox DataContext="{StaticResource strings}" IsSynchronizedWithCurrentItem="True" ItemsSource="{Binding}" SelectedValuePath="{Binding /Length}"> <ListBox.ItemTemplate> <DataTemplate> <Grid> <Grid.Resources> <Style TargetType="{x:Type Label}"> <Setter Property="Background" Value="Yellow"/> <Setter Property="Margin" Value="0,0,4,0"/> <Setter Property="Padding" Value="0"/> </Style> </Grid.Resources> <Grid.ColumnDefinitions> <ColumnDefinition/> <ColumnDefinition/> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition/> <RowDefinition/> </Grid.RowDefinitions> <!-- Row 0 --> <Label Grid.Column="0" Grid.Row="0">String:</Label> <TextBlock Grid.Column="1" Grid.Row="0" Text="{Binding}"/> <!-- Row 1 --> <Label Grid.Column="0" Grid.Row="1">Length:</Label> <TextBlock Grid.Column="1" Grid.Row="1" Text="{Binding Length, Mode=Default}"/> </Grid> </DataTemplate> </ListBox.ItemTemplate> </ListBox> </Grid> </Window> This is the run-time Binding error message: System.Windows.Data Error: 39 : BindingExpression path error: '3' property not found on 'object' ''String' (HashCode=1191344027)'. BindingExpression:Path=3; DataItem='String' (HashCode=1191344027); target element is 'ListBox' (Name=''); target property is 'NoTarget' (type 'Object') I would like the selected value of the ListBox to be the Length of the selected String object. What is wrong with my SelectedValuePath Binding syntax? Are there any related issues with IsSynchronizedWithCurrentItem?

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  • Evenly distibuted scatterViewItems that dont overlap

    - by Christo Fur
    Hi I have an app that creates a variable number of ScatterviewItems based on which tagged object is placed on the surface table. The ScatterViewItems are added programatically to the ScatterView based on info looked up in a DB The Scatterview does a good job of displaying this info However, I would like them to be evenly distributed across the table and not have any items overlapping Any ideas how to do that?

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  • Is there a Java Package for testing RESTful APIs?

    - by Zachary Spencer
    I'm getting ready to dive into testing of a RESTful service. The majority of our systems are built in Java and Eclipse, so I'm hoping to stay there. I've already found rest-client (http://code.google.com/p/rest-client/) for doing manual and exploratory testing, but is there a stack of java classes that may make my life easier? I'm using testNG for the test platform, but would love helper libraries that can save me time. I've found http4e (http://www.ywebb.com/) but I'd really like something FOSS.

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  • How to prevent parallel builds per build configuration across multiple Build Agents

    - by vanslly
    I have many build configurations in TeamCity, each servicing a large project. In the past if a build is kicked off the Build Agent could be busy for up to 20min! In order to improve throughput I installed a second Build Agent on the same machine such that if a build run is kicked off by say Build Agent 1 and it is busy for 20min and someone from another project makes a change then Build Agent 2 can do the build for the other project without needing to wait on the current build run to finish. All was well until two successive check-ins resulted in both Build Agents running a build for a single build configuration in parallel. Since some resources are shared, IIS directories & databases, I don't want a single build configuration to run on both Build Agents in parallel. How can I ensure a build isn't triggered if a build is currently running for that build configuration on a different build agent? One way seems to involve environmental variables and ensuring a 50/50 split by Build Agent in terms of build configuration compatibility, but that seems a little clunky.

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  • Entity Framework - refresh objects from database

    - by Nebo
    I'm having trouble with refreshing objects in my database. I have an two PC's and two applications. On the first PC, there's an application which communicates with my database and adds some data to Measurements table. On my other PC, there's an application which retrives the latest Measurement under a timer, so it should retrive measurements added by the application on my first PC too. The problem is it doesn't. On my application start, it caches all the data from database and never get new data added. I use Refresh() method which works well when I change any of the cached data, but it doesn't refresh newly added data. Here is my method which should update the data: public static Entities myEntities = new Entities(); public static Measurement GetLastMeasurement(int conditionId) { myEntities.Refresh(RefreshMode.StoreWins, myEntities.Measurements); return (from measurement in myEntities.Measurements where measurement.ConditionId == conditionId select measurement).OrderByDescending(cd => cd.Timestamp).First(); } P.S. Applications have different connection strings in app.config (different accounts for the same DB).

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