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• Simple CSS Scale-Nine Layout

  - by rfkrocktk

  After all these years, I still haven't learned CSS layout, so bear with me. I'm trying to create a container with rounded corners that I generated in Photoshop. The background of the container is white, so I have eight images: top-left-corner, top, top-right-corner, right, bottom-right-corner, bottom, bottom-left-corner, and left. The edges have a drop shadow around them so yes, I do need 8 sides. How would I lay this out in CSS? I tried and failed miserably to do it with a table + CSS. How would I do it using divs?

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• In html 5, how to positioning a div element on top of a canvas element?

  - by Unraised

  Hi. Can anyone help me: I'm trying to put a div (say, 10px by 10px) element on top (in front) of a canvas element (say 500px by 500px) in html. I have tried changing the z-index of each, to no avail. Does anybody have any ideas, or is it one of those things that you can't really do? I already know how to do absolute positioning and everything, the div element just hangs out in the background behind the canvas element. I need a way to bring it to the front and the canvas element to the back. Thanks!

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• WPF Custom Buttons below ListBox Items

  - by Ryan

  WPF Experts - I am trying to add buttons below my custom listbox and also have the scroll bar go to the bottom of the control. Only the items should move and not the buttons. I was hoping for some guidance on the best way to achieve this. I was thinking the ItemsPanelTemplate needed to be modified but was not certain. Thanks My code is below <!-- List Item Selected --> <LinearGradientBrush x:Key="GotFocusStyle" EndPoint="0.5,1" StartPoint="0.5,0"> <LinearGradientBrush.GradientStops> <GradientStop Color="Black" Offset="0.501"/> <GradientStop Color="#FF091F34"/> <GradientStop Color="#FF002F5C" Offset="0.5"/> </LinearGradientBrush.GradientStops> </LinearGradientBrush> <!-- List Item Hover --> <LinearGradientBrush x:Key="MouseOverFocusStyle" StartPoint="0,0" EndPoint="0,1"> <LinearGradientBrush.GradientStops> <GradientStop Color="#FF013B73" Offset="0.501"/> <GradientStop Color="#FF091F34"/> <GradientStop Color="#FF014A8F" Offset="0.5"/> <GradientStop Color="#FF003363" Offset="1"/> </LinearGradientBrush.GradientStops> </LinearGradientBrush> <!-- List Item Selected --> <LinearGradientBrush x:Key="LostFocusStyle" EndPoint="0.5,1" StartPoint="0.5,0"> <LinearGradientBrush.RelativeTransform> <TransformGroup> <ScaleTransform CenterX="0.5" CenterY="0.5"/> <SkewTransform CenterX="0.5" CenterY="0.5"/> <RotateTransform CenterX="0.5" CenterY="0.5"/> <TranslateTransform/> </TransformGroup> </LinearGradientBrush.RelativeTransform> <GradientStop Color="#FF091F34" Offset="1"/> <GradientStop Color="#FF002F5C" Offset="0.4"/> </LinearGradientBrush> <!-- List Item Highlight --> <SolidColorBrush x:Key="ListItemHighlight" Color="#FFE38E27" /> <!-- List Item UnHighlight --> <SolidColorBrush x:Key="ListItemUnHighlight" Color="#FF6FB8FD" /> <Style TargetType="ListBoxItem"> <EventSetter Event="GotFocus" Handler="ListItem_GotFocus"></EventSetter> <EventSetter Event="LostFocus" Handler="ListItem_LostFocus"></EventSetter> </Style> <DataTemplate x:Key="CustomListData" DataType="{x:Type ListBoxItem}"> <Border BorderBrush="Black" BorderThickness="1" Margin="-2,0,0,-1"> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="{Binding RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type ListBoxItem}}, Path=ActualWidth}" /> </Grid.ColumnDefinitions> <Label VerticalContentAlignment="Center" BorderThickness="0" BorderBrush="Transparent" Foreground="{StaticResource ListItemUnHighlight}" FontSize="24" Tag="{Binding .}" Grid.Column="0" MinHeight="55" Cursor="Hand" FontFamily="Arial" FocusVisualStyle="{x:Null}" KeyboardNavigation.TabNavigation="None" Background="{StaticResource LostFocusStyle}" MouseMove="ListItem_MouseOver" > <Label.ContextMenu> <ContextMenu Name="editMenu"> <MenuItem Header="Edit"/> </ContextMenu> </Label.ContextMenu> <TextBlock Text="{Binding .}" Margin="15,0,40,0" TextWrapping="Wrap"></TextBlock> </Label> <Image Tag="{Binding .}" Source="{Binding}" Margin="260,0,0,0" Grid.Column="1" Stretch="None" Width="16" Height="22" HorizontalAlignment="Center" VerticalAlignment="Center" /> </Grid> </Border> </DataTemplate> </Window.Resources> <Window.DataContext> <ObjectDataProvider ObjectType="{x:Type local:ImageLoader}" MethodName="LoadImages" /> </Window.DataContext> <ListBox ItemsSource="{Binding}" Width="320" Background="#FF021422" BorderBrush="#FF1C4B79" > <ListBox.Resources> <SolidColorBrush x:Key="{x:Static SystemColors.HighlightBrushKey}">Transparent</SolidColorBrush> <Style TargetType="{x:Type ListBox}"> <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Disabled" /> <Setter Property="ItemTemplate" Value="{StaticResource CustomListData }" /> </Style> </ListBox.Resources> </ListBox>

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• what does an * (star) mean in front of a CSS rule?

  - by Bill Caswell

  I'm new to CSS and am using the Yahoo YUI libraries in a project. I am learning as fast as possible, but apologize in advance if this is too rookie of a question. Can anyone help me understand the following CSS that I came across in the layout manager CSS: I have been unable to figure out what the * (star) does to the rules (styles) in the following CSS??? .yui-skin-sam .yui-layout .yui-layout-unit div.yui-layout-bd { border:1px solid #808080; border-bottom:none; border-top:none; *border-bottom-width:0; *border-top-width:0; background-color:#f2f2f2; text-align:left; } Thanks in advance, Bill

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• WPF parent-child window: binding reference problem

  - by LukePet

  I have a WPF Window that open a modal child window to load some data. Both window have a own viewmodel, now I have this problem: after I close the child window it seems still running in background! To close the child window I set DialogResult from viewmodel command; now, if I create a new data and then I edit it from parent window (with the child window closed before), the child window still capture the property changed event for the properties previously bind. How can avoid this? I would clear every reference with data when I close modal window. Which is the best practise to do it?

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• Changing UITabBarController More Item Colors

  - by Avalanchis

  I have a UITabBarController with a "More" tab whose color scheme I would like to modify. Navigation Controller Nav Bar Colors I've been able to change the background color of the "More" tab's UINavigationController by subclassing the UITabBarController and adding the following code to the ViewDidLoad method: UINavigationController *moreController = self.moreNavigationController; moreController.navigationBar.tintColor = [UIColor redColor]; I would also like to change the Nav controller's text color but have not been able to determine how to accomplish this. Table View Highlight Colors I'd like to disable or change the highlight color for the "More" tab's UITableView. I don't want to disable the ability to select, I just want to change or remove the blue highlight color. I see where I can change the SelectedTextColor property for a UITableViewCell's texLabel, but I'm unsure how or when this needs to be set given I'm not the table view's datasource. Edit View Nav Bar Color When the Edit button is selected, the nav bar at the top reverts to the basic blue color. Is there any way to access this nav bar to change its tint color?

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• TFS and shared projects in multiple solutions

  - by David Stratton

  Our .NET team works on projects for our company that fall into distinct categories. Some are internal web apps, some are external (publicly facing) web apps, we also have internal Windows applications for our corporate office users, and Windows Forms apps for our retail locations (stores). Of course, because we hate code reuse, we have a ton of code that is shared among the different applications. Currently we're using SVN as our source control, and we've got our repository laid out like this: - = folder, | = Visual Studio Solution -SVN - Internet | Ourcompany.com | Oursecondcompany.com - Intranet | UniformOrdering website | MessageCenter website - Shared | ErrorLoggingModule | RegularExpressionGenerator | Anti-Xss | OrgChartModule etc... So.. The OurCompany.com solution in the Internet folder would have a website project, and it would also include the ErrorLoggingModule, RegularExpressionGenerator, and Anti-Xss projects from the shared directory. Similarly, our UniformOrdering website solution would have each of these projects included in the solution as well. We prefer to have a project reference to a .dll reference because, first of all, if we need to add or fix a function in the ErrorLoggingModule while working on the OurCompany.com website, it's right there. Also, this allows us to build each solution and see if changes to shared code break any other applications. This should work well on a build server as well if I'm correct. In SVN, there is no problem with this. SVN and Visual Studio aren't tied together in the way TFS's source control is. We never figured out how to work this type of structure in TFS when we were using it, because in TFS, the TFS project was always tied to a Visual Studio Solution. The Source Code repository was a child of the TFS Project, so if we wanted to do this, we had to duplicate the Shared code in each TFS project's source code repository. As my co-worker put it, this "breaks every known best practice about code reuse and simplicity". It was enough of a deal breaker for us that we switched to SVN. Now, however, we're faced with truly fixing our development processes, and the Application Lifecycle Management of TFS is pretty close to exactly what we want, and how we want to work. Our one sticking point is the shared code issue. We're evaluating other commercial and open source solutions, but since we're already paying for TFS with our MSDN Subscriptions, and TFS is pretty much exactly what we want, we'd REALLY like to find a way around this issue. Has anybody else faced this and come up with a solution? If you've seen an article or posting on this that you can share with me, that would help as well. As always, I'm open to answers like "You're looking at it all wrong, bonehead, HERE'S the way it SHOULD be done.

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• Exporting to PNG from Adobe Illustrator cutting off edges

  - by Luther Baker

  I created a 40px x 40px image in Adobe Illustrator CS4. I saved as an .ai file and then tried to export as a PNG. Adobe Illustrator automatically crops the background and tightens the export to a rect around all the objects which if fine. In this case, I am not working edge to edge so my image is not quite 40px wide. But, unfortunately, Illustrator is not exporting the entire image. I end up with an image that is 34px wide. Indeed, the icon I draw starts on the left hand side but the right edge of my object cut off. Any ideas why this is happening? I can't imagine Illustrator CS4 can't correctly to export to PNG.

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• WPF: how to find an element in a datatemplate from an itemscontrol

  - by EV

  Hi, I have the following problem: the application is using the custom itemscontrol called ToolBox. The elements of a toolbox are called toolboxitems and are custom contentcontrol. Now, the toolbox stores a number of images that are retrieved from a database and displayed. For that I use a datatemplate inside the toolbox control. However, when I try to drag and drop the elements, I don't get the image object but the database component. I thought that I should then traverse the structure to find the Image element. here's the code: Toolbox: public class Toolbox : ItemsControl { private Size defaultItemSize = new Size(65, 65); public Size DefaultItemSize { get { return this.defaultItemSize; } set { this.defaultItemSize = value; } } protected override DependencyObject GetContainerForItemOverride() { return new ToolboxItem(); } protected override bool IsItemItsOwnContainerOverride(object item) { return (item is ToolboxItem); } } ToolBoxItem: public class ToolboxItem : ContentControl { private Point? dragStartPoint = null; static ToolboxItem() { FrameworkElement.DefaultStyleKeyProperty.OverrideMetadata(typeof(ToolboxItem), new FrameworkPropertyMetadata(typeof(ToolboxItem))); } protected override void OnPreviewMouseDown(MouseButtonEventArgs e) { base.OnPreviewMouseDown(e); this.dragStartPoint = new Point?(e.GetPosition(this)); } public String url { get; private set; } protected override void OnMouseMove(MouseEventArgs e) { base.OnMouseMove(e); if (e.LeftButton != MouseButtonState.Pressed) { this.dragStartPoint = null; } if (this.dragStartPoint.HasValue) { Point position = e.GetPosition(this); if ((SystemParameters.MinimumHorizontalDragDistance <= Math.Abs((double)(position.X - this.dragStartPoint.Value.X))) || (SystemParameters.MinimumVerticalDragDistance <= Math.Abs((double)(position.Y - this.dragStartPoint.Value.Y)))) { string xamlString = XamlWriter.Save(this.Content); MessageBoxResult result = MessageBox.Show(xamlString); DataObject dataObject = new DataObject("DESIGNER_ITEM", xamlString); if (dataObject != null) { DragDrop.DoDragDrop(this, dataObject, DragDropEffects.Copy); } } e.Handled = true; } } private childItem FindVisualChild<childItem>(DependencyObject obj) where childItem : DependencyObject { for (int i = 0; i < VisualTreeHelper.GetChildrenCount(obj); i++) { DependencyObject child = VisualTreeHelper.GetChild(obj, i); if (child != null && child is childItem) return (childItem)child; else { childItem childOfChild = FindVisualChild<childItem>(child); if (childOfChild != null) return childOfChild; } } return null; } } here is the xaml file for ToolBox and toolbox item: <Style TargetType="{x:Type s:ToolboxItem}"> <Setter Property="Control.Padding" Value="5" /> <Setter Property="ContentControl.HorizontalContentAlignment" Value="Stretch" /> <Setter Property="ContentControl.VerticalContentAlignment" Value="Stretch" /> <Setter Property="ToolTip" Value="{Binding ToolTip}" /> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type s:ToolboxItem}"> <Grid> <Rectangle Name="Border" StrokeThickness="1" StrokeDashArray="2" Fill="Transparent" SnapsToDevicePixels="true" /> <ContentPresenter Content="{TemplateBinding ContentControl.Content}" Margin="{TemplateBinding Padding}" SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" ContentTemplate="{TemplateBinding ContentTemplate}"/> </Grid> <ControlTemplate.Triggers> <Trigger Property="IsMouseOver" Value="true"> <Setter TargetName="Border" Property="Stroke" Value="Gray" /> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style> <Style TargetType="{x:Type s:Toolbox}"> <Setter Property="SnapsToDevicePixels" Value="true" /> <Setter Property="Focusable" Value="False" /> <Setter Property="Template"> <Setter.Value> <ControlTemplate> <Border BorderThickness="{TemplateBinding Border.BorderThickness}" Padding="{TemplateBinding Control.Padding}" BorderBrush="{TemplateBinding Border.BorderBrush}" Background="{TemplateBinding Panel.Background}" SnapsToDevicePixels="True"> <ScrollViewer VerticalScrollBarVisibility="Auto"> <ItemsPresenter SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" /> </ScrollViewer> </Border> </ControlTemplate> </Setter.Value> </Setter> <Setter Property="ItemsPanel"> <Setter.Value> <ItemsPanelTemplate> <WrapPanel Margin="0,5,0,5" ItemHeight="{Binding Path=DefaultItemSize.Height, RelativeSource={RelativeSource AncestorType=s:Toolbox}}" ItemWidth="{Binding Path=DefaultItemSize.Width, RelativeSource={RelativeSource AncestorType=s:Toolbox}}" /> </ItemsPanelTemplate> </Setter.Value> </Setter> </Style> </ResourceDictionary> Example usage: <Toolbox x:Name="NewLibrary" DefaultItemSize="55,55" ItemsSource="{Binding}" > <ItemsControl.ItemTemplate> <DataTemplate> <StackPanel> <Image Source="{Binding Path=url}" /> </StackPanel> </DataTemplate> </ItemsControl.ItemTemplate> </Toolbox> The object that I get is a database object. When using a static resource I get the Image object. How to retrieve this Image object from a datatemplate? I though that I could use this tutorial: http://msdn.microsoft.com/en-us/library/bb613579.aspx But it does not seem to solve the problem. Could anyone suggest a solution? Thanks!

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• To get the parent node of a treeview in the TreeViewDragDropTarget in Silverlight

  - by Ramya

  Hi, I have created a TreeViewDragDropTarget like this, <controlsToolKit:TreeViewDragDropTarget msWindows:DragDrop.AllowDrop="False" ItemDroppedOnTarget="TreeViewDragDropTarget_ItemDroppedOnTarget" ItemDragCompleted="TreeViewDragDropTarget_ItemDragCompleted" AllowedSourceEffects="Copy"> <controlsToolKit:TreeViewDragDropTarget.Resources> <common:HierarchicalDataTemplate x:Key="hierarchicalTemplate" ItemsSource="{Binding ChildNode}"> <TextBlock Text="{Binding MainText, Mode=TwoWay}" TextWrapping="Wrap"/> </common:HierarchicalDataTemplate> </controlsToolKit:TreeViewDragDropTarget.Resources> <controls:TreeView x:Name="MainTreeView" BorderThickness="1" ItemTemplate="{StaticResource hierarchicalTemplate}" Background="Transparent" Cursor="Hand" BorderBrush="{x:Null}" VerticalAlignment="Top"/> </controlsToolKit:TreeViewDragDropTarget> All I am doing is dropping some text into the nodes of the treeview. I want to find the parent node of the drop target. How do I do it?

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• Qt vs .NET - plz no n00bs who don't know wtf they're talking about [closed]

  - by Pirate for Profit

  Man in all these Qt vs. .NET discussions 90% these people don't know WTF they're talking about. Trying to get a real comparison chart going before we embark on a major fucking project. And yes I'm drunk, and yes I use cocaine. Event Handling In Qt the event handling system you just emit signals when something cool happens and then catch them in slots, for instance emit valueChanged(int percent, bool something); and void MyCatcherObj::valueChanged(int p, bool ok){} blocking them and disconnecting them when needed, doing it across threads... once you get the hang of it, it just seems a lot more natural and intuitive than the way the .NET event handling is set up (you know, object sender, CustomEventArgs e). And I'm not just talking about syntax, because in the end the .NET delegate crap is the bomb. I'm also talking about in more than just reflection (because, yes, .NET obviously has much stronger reflection capabilities). I'm talking about in the way the system feels to a human being. Qt wins hands down i m o. Basically, the footprints make more sense and you can visualize the project easier without the clunky event handling system. I wish I could it explain it better. The only thing is, I do love some of the ease of C# compared to C++ and .NET's assembly architecture. That is a big bonus for modular projects, which are a PITA to do in C++. Database Ease of Doing Crap Also what about datasets and database manipulations. I think .net wins here but I'm not sure. Threading/Conccurency How do you guys think of the threading? In .NET, all I've ever done is make like a list of master worker threads with locks. I like QConcurrentFramework, you don't worry about locks or anything, and with the ease of the signal slot system across threads it's nice to get notified about the progress of things. Memory Usage Also what do you think of the overall memory usage comparison. Is the .NET garbage collector pretty on the ball and quick compared to the instantaneous nature of native memory management? Or does it just let programs leak up a storm and lag the computer then clean it up when it's about to really lag? However, I am a n00b who doesn't know what I'm talking about, please school me on the subject.

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• WPF DataGrid RowDataBound?

  - by SiN

  Ok this is driving me mad, I feel like a total Newbie. I'm using WPF's DataGrid control from Dynamic Data Display with .NET 3.5. Link on Codeplex here I want an equivalent to the classic GridView's RowDataBound event, and I can't find any. I tried working with LoadingRow, but it fires every time I scroll. I'm trying to change the background color of certain cells in my grid based on a database values. I'm new to WPF. Should I be using the XAML binding?

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• F# vs Haskell vs Lisp - which language to learn?

  - by empi

  I've heard a lot about functional programming languages and I'm willing to learn one. I guess it will be mostly for fun, however, I hope it will improve my programming skills. I have mostly C#/.NET background, so my first choice is to learn F# (because of .NET and familiarity with Visual Studio). On the on other hand, I wonder if F# has features like Lisp macros or Haskell higher order functions. Could you compare F#, Haskell and Lisp? Which one will be the language of your choice?

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• How to resize width of a Jquery dialog after initialization

  - by Draco

  Hi, I'm trying to change the width of a JQuery dialog after it has been initialized. Here is my initialization: $(function() { $("#dialogContainer").dialog({ title: 'Some title', resizable: false, bgiframe: true, overlay: { opacity: 0.3, background: "white" }, position: [200, 200], autoOpen: false, height: 150, width: 'auto' modal: true, buttons: { 'ok': function() { $(this).dialog('close'); } } }); }); And this is what I am doing to change the width of it in some other function: $("#dialogBox").dialog('option','width',700); But this doesn't work. The width of the dialog is the width of the paragraph that's first displayed in it. Was I suppose to do anything else? Here is the html for the dialog: <div id = 'dialogContainer'> <p id = 'message'></p> </div>

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• Visibility.Collapse does not work in WPF

  - by nitin

  Visibility.Collapse doesnt work in my case. below is the XAML. If i try to hide the lblCountry and cmbCountry a white space is shown between zip and practice fields. There is no option to hide an entire row of a Grid. <Grid> <Canvas Name="canDemographic" > </Canvas> <Grid HorizontalAlignment="Center" VerticalAlignment="Center"> <Grid.ColumnDefinitions> <ColumnDefinition Width="auto"/> <ColumnDefinition Width="auto"/> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition Height="40"/> <RowDefinition Height="40" /> <RowDefinition Height="40" /> <RowDefinition Height="40" /> <RowDefinition Height="40" /> <RowDefinition Height="40"/> <RowDefinition Height="40"/> <RowDefinition Height="40"/> <RowDefinition Height="40"/> <RowDefinition Height="40"/> <RowDefinition Height="40"/> <RowDefinition Height="40"/> <RowDefinition Height="40"/> </Grid.RowDefinitions> <TextBlock Width="800" Height="50" Grid.Column="0" Grid.Row="1" Grid.ColumnSpan="2" VerticalAlignment="Center" HorizontalAlignment="Center" FontFamily="Arial" FontSize="30" FontWeight="Bold" Visibility="Collapsed"> Please review or enter your user information details: </TextBlock> <TextBlock Width="200" Height="30" Grid.Column="0" Grid.Row="2" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold"> *First Name: </TextBlock> <TextBlock Width="200" Height="30" Grid.Column="0" Grid.Row="3" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold" Text=" Middle Name:"></TextBlock> <TextBlock Width="200" Height="30" Grid.Column="0" Grid.Row="4" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold"> *Last Name: </TextBlock> <TextBlock Name="tbEmail" Width="200" Height="30" Grid.Column="0" Grid.Row="12" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold"> *Email Address: </TextBlock> <TextBlock Width="200" Height="30" Grid.Column="0" Grid.Row="5" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold"> *Address1: </TextBlock> <TextBlock Width="200" Height="30" Grid.Column="0" Grid.Row="6" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold" Text=" Address2:"></TextBlock> <TextBlock Width="200" Height="30" Grid.Column="0" Grid.Row="7" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold"> *City: </TextBlock> <TextBlock Width="200" Height="30" Grid.Column="0" Grid.Row="8" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold"> *State: </TextBlock> <TextBlock Width="200" Height="30" Grid.Column="0" Grid.Row="9" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold"> *Zip: </TextBlock> <TextBlock Name="lblCountry" Width="200" Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="10" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold" Text=" *Country:" Visibility="Collapsed"="></TextBlock> <TextBlock Width="200" Height="30" Grid.Column="0" Grid.Row="11" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold" Text=" Practice/Affiliation:"></TextBlock> <!-- Input fields --> <TextBox Name="txtFirstName" Width="200" Height="30" Grid.Column="1" Grid.Row="2" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold" MaxLength="20" TextChanged="txtFirstName_TextChanged" IsEnabled="True" /> <TextBox Name="txtMiddleName" Width="200" Height="30" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold" Grid.Column="1" Grid.Row="3" MaxLength="10" IsEnabled="True" /> <TextBox Name="txtLastName" Width="200" Height="30" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold" Grid.Column="1" Grid.Row="4" MaxLength="20" TextChanged="txtLastName_TextChanged" /> <TextBox Name="txtEmail" Width="200" Height="30" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold" Grid.Column="1" Grid.Row="12" MaxLength="100"/> <TextBox Name="txtAddress1" Width="200" Height="30" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold" Grid.Column="1" Grid.Row="5" MaxLength="100" TextChanged="txtAddress1_TextChanged" /> <TextBox Name="txtAddress2" Width="200" Height="30" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold" Grid.Column="1" Grid.Row="6" MaxLength="100"/> <TextBox Name="txtCity" Width="200" Height="30" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold" Grid.Column="1" Grid.Row="7" MaxLength="50" TextChanged="txtCity_TextChanged" /> <TextBox Name="txtState" Width="200" Height="30" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold" Grid.Column="1" Grid.Row="8" MaxLength="50" TextChanged="txtState_TextChanged" /> <TextBox Name="txtZip" Width="200" Height="30" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold" Grid.Column="1" Grid.Row="9" MaxLength="50" TextChanged="txtZip_TextChanged" /> <ComboBox Name="cmbCountry" Width="200" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold" Grid.Column="0" Grid.Row="10" Grid.ColumnSpan="2" SelectionChanged="cmbCountry_SelectionChanged" ItemsSource="{Binding}" Visibility="Collapsed" /> <TextBox Name="txtPractice" Width="200" Height="30" VerticalAlignment="Center" HorizontalAlignment="Left" FontFamily="Arial" FontSize="18" FontWeight="Bold" Grid.Column="1" Grid.Row="11" MaxLength="50"/> </Grid> <Button Name="btnExit" Height="30" VerticalAlignment="Bottom" Width="100" HorizontalAlignment="Left" Margin="21,0,0,12" BorderThickness="1" FontFamily="arial" Background="LightGray" FontSize="12pt" FontWeight="Bold" Click="btnExit_Click">Back</Button> <Button Name="btnNext" Height="30" VerticalAlignment="Bottom" Width="100" HorizontalAlignment="Right" Margin="0,0,21,12" BorderThickness="1" FontFamily="arial" Background="LightGray" FontSize="12pt" FontWeight="Bold" Click="btnNext_Click" IsEnabled="False" >Next</Button> </Grid> </ScrollViewer>

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• Mac Quick Look Preview in an NSView or NSImage?

  - by Niko Matsakis

  I am looking for a way (public or otherwise) to get an NSView, NSImage, CGImageRef, etc that shows the QuickLook preview for a file. Essentially the equivalent of QLThumbnailImageCreate() but for the preview. The public APIs I can find do not support this. They allow the creation of a thumbnail image or a QLPreviewPanel. The panel does in fact display the quick look preview, but I cannot get access to the preview's appearance to embed it in other views, nor can I display multiple previews at once. For background, I am writing an app where users can embed links to other files that should be displayed inline, kind of like an <img> tag in HTML. For images like JPGs and PDFs it's easy to figure out what to display. I thought that for other formats I would use Quick Look to generate a nice visual representation of the file's contents. This way the set of formats supported by my application would be easily extensible (just download new Quick Look generators).

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• Constant opacity with glBlendFunc on iPhone

  - by Jeff Johnson

  What glBlendFunc should I use to ensure that the opacity of my drawing is always the same? When I use glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA) and multiple images are drawn on top of each other, the result is more and more opaque until it's completely opaque after a certain number of imgaes. The closest I have come is to use glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA) which maintains a constant opacity no matter how many images are on top of each other, although there is a slight variation in opacity if the images overlap each other. Any other render states I should consider trying? Any other ideas? I am making a drawing app for my kid and I don't want the images (brush) they draw to cover up the background. Heres the closest I've got: I want to have it so that the overlap part of the circles is the same color and opacity as the center part of the circle. I am using cocos2d iphone v. 0.99

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• Android TableRow RelativeLayout Issue

  - by phogel

  I have the following <TableRow xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/admin_row" android:layout_width="fill_parent" android:layout_height="wrap_content" android:gravity="center_horizontal"> <RelativeLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="horizontal" android:background="@color/silver"> I dynamically populate the table but with the relative layout colored silver it only spans about 3/4 of the table row. If I put a LinearLayout with horizontal orientation it spans completely but if I change it to vertical the same problem occurs. I need a relative layout in the table row because I need to something like this: Value Detail MoreDetail. Any ideas on getting the relative layout to span the table row?

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• C# How can I tell if an IEnumerable is Mutable?

  - by Logan

  I want a method to update certain entries of an IEnumerable. I found that doing a foreach over the entries and updating the values failed as in the background I was cloning the collection. This was because my IEnumerable was backed by some LINQ-SQL queries. By changing the method to take a List I have changed this behavior, Lists are always mutable and hence the method changes the actual objects in the list. Rather than demand a List is passed is there a Mutable interface I can use? // Will not behave as consistently for all IEnumerables public void UpdateYesterday (IEnumerable<Job> jobs) { foreach (var job : jobs) { if (job.date == Yesterday) { job.done = true; } } }

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• Add Table to FlowDocument In Code Behind

  - by urema

  Hi, I have tried this..... _doc = new FlowDocument(); Table t = new Table(); for (int i = 0; i < 7; i++) { t.Columns.Add(new TableColumn()); } TableRow row = new TableRow(); row.Background = Brushes.Silver; row.FontSize = 40; row.FontWeight = FontWeights.Bold; row.Cells.Add(new TableCell(new Paragraph(new Run("I span 7 columns")))); row.Cells[0].ColumnSpan = 6; _doc2.Blocks.Add(t); But everytime I go to view this document the table never shows.....although the border image and document title that I add to this document before adding this table outputs fine. Thanks in advance, U.

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• Multiple INET sockets (mulple IP's too) connected to UNIX sockets

  - by Andrew

  HOST = same host all the time, accepts multiple connection. I have a dedicated server and I will buy extra IP's. Socket 1 connects to HOST:PORT, from IP-1 Socket 2 connects to HOST:PORT, from IP-1 Socket 3 connects to HOST:PORT, from IP-1 Socket 4 connects to HOST:PORT, from IP-2 Socket 5 connects to HOST:PORT, from IP-2 Socket 6 connects to HOST:PORT, from IP-2 After creating all sockets I want to access them easy as UNIX sockets from PHP. /sys/socket1 /sys/socket2 /sys/socket3 /sys/socket4 /sys/socket5 /sys/socket6 I want the sockets to work in background (like daemon) and I want to be able to connect from PHP to any of this sockets and RECV/SEND whatever I want. I saw "socat" and I think that's the solution for me, please tell me how to use socat, or how to do it other way. Thankyou!

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• Telerik Object reference not set to an instance of an object

  - by Duncan

  Hi, I have a main form which contains multiple worker threads. These threads raise events which update Telerik controls on the main form. The event handlers contain code which check if InvokeRequired and BeginInvoke where required. At random interval I am receiving the following exception, and have no idea on how where to find this? I was wondering if the following is understandable to anyone to point me in the right direction. Thanks in advance System.Reflection.TargetInvocationException was unhandled Message="Exception has been thrown by the target of an invocation." Source="mscorlib" StackTrace: at System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) at System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] arguments, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks) at System.Delegate.DynamicInvokeImpl(Object[] args) at System.Windows.Forms.Control.InvokeMarshaledCallbackDo(ThreadMethodEntry tme) at System.Windows.Forms.Control.InvokeMarshaledCallbackHelper(Object obj) at System.Threading.ExecutionContext.runTryCode(Object userData) at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData) at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Windows.Forms.Control.InvokeMarshaledCallback(ThreadMethodEntry tme) at System.Windows.Forms.Control.InvokeMarshaledCallbacks() at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ScrollableControl.WndProc(Message& m) at Telerik.WinControls.RadControl.WndProc(Message& m) at Telerik.WinControls.UI.RadStatusStrip.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 MyFX.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: System.NullReferenceException Message="Object reference not set to an instance of an object." Source="Telerik.WinControls" StackTrace: at Telerik.WinControls.Layouts.ContextLayoutManager.LayoutQueue.RemoveOrphans(RadElement parent) at Telerik.WinControls.Layouts.ContextLayoutManager.LayoutQueue.Add(RadElement e) at Telerik.WinControls.RadElement.InvalidateArrange(Boolean recursive) at Telerik.WinControls.RadElement.InvalidateArrange() at Telerik.WinControls.RadElement.Measure(SizeF availableSize) at Telerik.WinControls.Layouts.ImageAndTextLayoutPanel.MeasureOverride(SizeF availableSize) at Telerik.WinControls.RadElement.MeasureCore(SizeF availableSize) at Telerik.WinControls.RadElement.Measure(SizeF availableSize) at Telerik.WinControls.Layouts.ContextLayoutManager.UpdateLayout() at Telerik.WinControls.Layouts.ContextLayoutManager.UpdateLayoutCallback(ILayoutManager manager)

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• Should I learn C?

  - by Justin Standard

  Original Question: Should I Learn C? In the theme of the stackoverflow podcast, here's a fun question: should I learn C? I expect Jeff & Joel will have something to say on this. Some info on my background: Primarily a Java programmer on "enterprisy" systems. Favorite languages: python, scheme 7 years programming experience A very small amount of C++ experience, practically no C experience No immediate "need" to learn C So should I learn C? If so, why? If not, why? C or Assembly? Lots of folks recomending Assembler, so add on question: Is it better to learn C or Assembler? If Assembler, which one? Recommended assemblers so far: Motorolla 68000 Intel Assembler (does he mean x86?) MASM32

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• Delphi connection to OpenEdge Progress-4GL Database

  - by Cesar Marrero

  Folks: Has anyone had success connecting to a Progress-4GL database with Delphi?   I've been unable to establish any connection with the ODBC driver provided by the vendor (Progress OpenEdge 10.1C Driver). I've entered (what I believe are) the right parameters, but keep on getting an error whenever I test the connection: "[DataDirect][ODBC Progress OpenEdge Wire Protocol driver] Socket closed." Background: I've been tasked to re-design a 13-year-old application, but the original programmer did not provide any supporting documents, passwords, configuration setup, etc. (I'm on my own)!   To make things worse, online help and useful documentation about Progress is scarce (I had never heard about this database until now). I want to examine the existing data, maybe create an ERD to familiarize myself with the schema, but I can't even access the data outside of the OpenEdge code. Any help is appreciated!

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• IE GIF/PNG Transparency issue with jQuery

  - by Andrew

  Ok, this is pretty weird... Here's the page in question: http://s289116086.onlinehome.us/lawjournaltv/index.php The main blue callout background was originally a PNG, but when I applied some jQuery trickery to it (click the numbers in the top right to see what I mean), an ugly white border appeared where the transparency should be. See this screenshot from IE8: http://skitch.com/darkdriving/n62bu/windows-xp-professional I figured I could sacrifice the quality/flexibility of a PNG and just resaved each of the backgrounds as GIFs and set the matte color to white (for now). Well, I was proven wrong because IE is treating the GIF transparency the same as the original PNGs. I've read here that the issue with PNGs, Javascript, and IE has something to do with multiple filters can't be applied to one image, but shouldn't GIFs be exempt from this because they lack the Alpha Channel? Is there any way to make this page look similar in IE to Firefox or Webkit browsers? Thanks in advance!

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