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• hint and textview with right gravity and a singleline

  - by codeScriber

  I've opened a bug but i was wondering if anyone encountered this issue and knows a workaround. If you define a text view with a hint inside it, give it right gravity (android:gravity="right") then if you define android:singleLine=true or android:maxLines="1" or android:scrollHorizonatally="true" you don't see the hint. removing the right gravity returns the hint to the left side, removing all the tree params i mentioned above puts the hint on the right side. i want my hint on the right, but i need a single horizontal line... here's the sample layout that doesn't show the hint: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:padding="5dp"> <EditText android:layout_width="fill_parent" android:layout_gravity="center_vertical|right" android:layout_height="wrap_content" android:layout_margin="6dp" android:textSize="16sp" android:paddingRight="5dp" android:id="@+id/c" android:gravity="right" android:hint="hello!!!" android:scrollHorizontally="true" android:maxLines="1" android:singleLine="true"/> </LinearLayout> i checked on 1.6 and 2.1 emulators and it reproduces 100%, i'm prettysure it's a bug, i don't see the connection between single line and the hint.... what's more the hint got it's own layout in the TextView (mLayout and mHintLayout both exists, in onDraw if the text length is 0 mHintLayout if mHint is not null is used).

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• Silverlight Data Binding for Collection in Stack Panel

  - by Blake Blackwell

  I'm new to Silverlight, so I don't have a complete grasp of all the controls at my disposal. What I would like to do is use databinding and a view model to maintain a collection of items. Here is some mock code for what I'd like to do: Model public class MyItem { public string DisplayText { get; set; } public bool Enabled { get; set; } } ViewModel public class MyViewModel : INotifyPropertyChanged { private ObservableCollection<MyItem> _myItems = new ObservableCollection<MyItem>(); public ObservableCollection<MyItem> MyItems { get { return _myItems; } set { _myItems = value NotifyPropertyChanged(this, "MyItems"); } } } View <Grid x:Name="LayoutRoot" Background="White"> <StackPanel ItemsSource="{Binding MyItems}"> <StackPanel Orientation="Horizontal"> <CheckBox "{Binding Enabled, Mode=TwoWay}"></CheckBox> <TextBlock Text="{Binding DisplayText, Mode=TwoWay}" /> </StackPanel> </StackPanel> </Grid> So my end goal would be that every time I add another MyItem to the MyItems collection it would create a new StackPanel with checkbox and textblock. I don't have to use a stack panel but just thought I'd use that for this sample.

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• Trouble with custom WPF Panel-derived class

  - by chaiguy

  I'm trying to write a custom Panel class for WPF, by overriding MeasureOverride and ArrangeOverride but, while it's mostly working I'm experiencing one strange problem I can't explain. In particular, after I call Arrange on my child items in ArrangeOverride after figuring out what their sizes should be, they aren't sizing to the size I give to them, and appear to be sizing to the size passed to their Measure method inside MeasureOverride. Am I missing something in how this system is supposed to work? My understanding is that calling Measure simply causes the child to evaluate its DesiredSize based on the supplied availableSize, and shouldn't affect its actual final size. Here is my full code (the Panel, btw, is intended to arrange children in the most space-efficient manner, giving less space to rows that don't need it and splitting remaining space up evenly among the rest--it currently only supports vertical orientation but I plan on adding horizontal once I get it working properly): protected override Size MeasureOverride( Size availableSize ) { foreach ( UIElement child in Children ) child.Measure( availableSize ); return availableSize; } protected override System.Windows.Size ArrangeOverride( System.Windows.Size finalSize ) { double extraSpace = 0.0; var sortedChildren = Children.Cast<UIElement>().OrderBy<UIElement, double>( new Func<UIElement, double>( delegate( UIElement child ) { return child.DesiredSize.Height; } ) ); double remainingSpace = finalSize.Height; double normalSpace = 0.0; int remainingChildren = Children.Count; foreach ( UIElement child in sortedChildren ) { normalSpace = remainingSpace / remainingChildren; if ( child.DesiredSize.Height < normalSpace ) // if == there would be no point continuing as there would be no remaining space remainingSpace -= child.DesiredSize.Height; else { remainingSpace = 0; break; } remainingChildren--; } extraSpace = remainingSpace / Children.Count; double offset = 0.0; foreach ( UIElement child in Children ) { //child.Measure( new Size( finalSize.Width, normalSpace ) ); double value = Math.Min( child.DesiredSize.Height, normalSpace ) + extraSpace; child.Arrange( new Rect( 0, offset, finalSize.Width, value ) ); offset += value; } return finalSize; }

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• Using a Control Template for all controls across the application

  - by samar

  Hi, I have a control template in one of my pages and i am assigning this template to my textbox's Validation.ErrorTemplate property. The following code would give you a better view. <ControlTemplate x:Key="ValidationErrorTemplate"> <StackPanel Orientation="Horizontal" HorizontalAlignment="Right"> <AdornedElementPlaceholder/> <Image Name="ValidizorImage" Stretch="None" Source="validizor.gif" ToolTip="{Binding [0].ErrorContent}" ToolTipService.InitialShowDelay="0" ToolTipService.ShowDuration="60000"/> </StackPanel> </ControlTemplate> The above template sets the image at the end of the textbox which is having the error. This template is used as below. <TextBox Grid.Column="5" Grid.Row="1" x:Name="txtemail" Grid.ColumnSpan="3" Margin="0,1,20,1" Validation.ErrorTemplate="{StaticResource ValidationErrorTemplate}" /> My question here is I want to move this control template outside of this page so that i can use it across the application. I tried putting the exact same code of the control template in a user control say "ErrorUC" and using it as below TextBox1.SetResourceReference (System.Windows.Controls.Validation.ErrorTemplateProperty, new ErrorUC()); On running the above code i learnt that "AdornedElementPlaceholder" can be used only in templates and not in user controls. If i comment the same i am not getting the desired result. Can anyone please help! Thanks in advance! Regards, Samar

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• Datalist itemcommand design?

  - by Surya sasidhar

  hi, in my application i am using datalist to display the images, i put properties of repeatcolumn=4 and reapeatdirection=horizontal. It is displaying good when there r more than or 4 images if there r only one or two or three images the gap between images r too long. if i have only one image the image displayed in datalist in the middle of the datalist. how can i solve this problem. i think you people understand my problem this is my datalist source code... datalist width="100%" <ItemTemplate > <table width="100%" > <tr> <td > <asp:ImageButton ID="imgeFrien" runat ="Server" Width="110px" Height ="100px" CommandName ="Image" CommandArgument ='<%# Eval("userid") %>' ImageUrl ='<%# "~/Userimages/"+ Eval("myimage") %>' /> </td> </tr> <tr> <td > <asp:Label ID="lblFrieNam" runat ="Server" Font-Names ="verdana" Text ='<%# Eval("username") %>'></asp:Label> </td> </tr> </table> </ItemTemplate> </asp:DataList>

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• how to make the user add and delete in android

  - by user3678019

  i have 1 activity .. and in this activity i have 2 web view next to each other , i would like to add , ADD and Delete Button that can add one more web view next to the last web view , and the delete wish will delete any of the web view the user choose . and i want to make the user but it in the order he want like webview 1 first then webview 2 second how can i do this this is mu main.xml <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="test.zezo.test.Main$PlaceholderFragment" > <HorizontalScrollView android:id="@+id/horizontalScrollView2" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_alignParentLeft="true" android:layout_alignParentRight="true" android:layout_alignParentTop="true" > <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" > <WebView android:id="@+id/webView1" android:layout_width="350dp" android:layout_height="match_parent" android:layout_alignParentLeft="true" /> <WebView android:id="@+id/webView22" android:layout_width="350dp" android:layout_height="match_parent" android:layout_toRightOf="@+id/webView1" android:layout_alignParentLeft="true" /> </LinearLayout> </HorizontalScrollView> and this is a part of my main.java webView = (WebView) findViewById(R.id.webView1); String url = "http://google.com"; webView.getSettings().setJavaScriptEnabled(true); webView.loadUrl(url); webView.setWebChromeClient(new WebChromeClient()); webView.setWebViewClient(new WebViewClient()); WebView webView22 = (WebView)findViewById(R.id.webView22); webView22.getSettings().setJavaScriptEnabled(true); webView22.loadUrl("google.com); webView22.setWebChromeClient(new WebChromeClient()); webView22.setWebViewClient(new WebViewClient()); so how can i do the ADD and DELETE and re Order Buttons to it and one more thing it should be save so when he reopen the app it will be the same as after he add or delete or re order

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• Set form MinWidth and MinHeight based on child property

  - by Jon Mitchell

  I'm writing an application in WPF using the MVVM pattern. In my application I've got an IPopupWindowService which I use to create a popup dialog window. So to show a ViewModel in a popup window you'd do something like this: var container = ServiceLocator.Current.GetInstance<IUnityContainer>(); var popupService = container.Resolve<IPopupWindowService>(); var myViewModel = container.Resolve<IMyViewModel>(); popupService.Show((ViewModelBase)myViewModel); This is all well and good. What I want to do is be able to set the MinHeight and MinWidth on the View bound to myViewModel and have the popup window use those settings so that a user cannot make the window smaller than its contents will allow. At the moment when the user shrinks the window the contents stops resizing but the window doesn't. EDIT: I map my Views to my ViewModels in ResourceDictionarys like so: <DataTemplate DataType="{x:Type ViewModels:MyViewModel}"> <Views:MyView /> </DataTemplate> And my popup view looks like this: <Window x:Class="TheCompany.Cubit.Shell.Views.PopupWindowView" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" SizeToContent="WidthAndHeight" WindowStartupLocation="CenterOwner"> <DockPanel x:Name="panelContent"> <StackPanel HorizontalAlignment="Right" DockPanel.Dock="Bottom" Orientation="Horizontal" Visibility="{Binding RelativeSource={RelativeSource AncestorType=Window},Path=ButtonPanelVisibility}"> <Button Width="75" IsDefault="True" x:Uid="ViewDialog_AcceptButton" Click="OnAcceptButtonClick" Margin="4">OK</Button> <Button Width="75" IsCancel="True" x:Uid="ViewDialog_CancelButton" Click="OnCancelButtonClick" Margin="0,4,4,4">Cancel</Button> </StackPanel> <ContentPresenter Content="{Binding}" /> </DockPanel>

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• Run JavaScript code at ASP.NET page load

  - by vaibhav

  I have a radiobox <asp:RadioButtonList CssClass="list" Style="width: 150px" ID="rdo_RSD_ExcerciseRoT" runat="server" Font-Bold="false" RepeatDirection="Horizontal" RepeatLayout="Table" TextAlign="Left" > <asp:ListItem Text="Yes" onclick="en();" Value="Y"></asp:ListItem> <asp:ListItem Text="No" onclick="dis();" Value="N" Selected="True"></asp:ListItem> </asp:RadioButtonList> AS you may see second listitem is selected by default. But issue is, when my page is getting load dis() is not getting called. I want to run dis() on page load too. I tried google, some blogs suggest the use of Page.RegisterStartupScript Method. But I dont exactly know what is the problem and why we should use this above mentioned method. I would appreciate if someone please tell me why this function is not getting called and how to call it. Edit: I am giving Javascript code also, if it helps. <script type="text/javascript"> function dis() { ValidatorEnable(document.getElementById('<%=RequiredFieldValidator32.ClientID%>'), false); } function en() { ValidatorEnable(document.getElementById('<%=RequiredFieldValidator32.ClientID%>'), true); } </script>

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• Android "first time" app user tutorial

  - by EGHDK

  I'm trying to create an opening tutorial that consists of four panes for my application, but since I'm new to Android, I want to make sure I'm considering all of my options before marking this task as "complete". I know of three ways, I can only really accomplish one. There are no requirements for this tutorial, but some "wanted features" would be a sliding action to each pane would be nice as well as the image and the bottom (navigation circles) not moving and the title on top not moving. One Way 4 separate activities and 4 separate layouts The red circled items are textViews that are centered horizontally and pushed off the top. The white circled items are imageViews that are centered horizontally and vertically. The purple circled are imageViews that are centered horizontally and pushed off the bottom. Second Way 4 fragments on one activity Fragments were difficult to learn, but the more I read about them/see tutorials on them, they seem to only really be used for tablets. Would it be a valid way to accomplish this? Third Way ViewPager? http://android-developers.blogspot.com/2011/08/horizontal-view-swiping-with-viewpager.html I've never used this before, but I know it's an option. Final Question Which way is used more often/what's the proper way to implement this? Is there any way to only have the middle part (the image) slide in, but the title (top) and the navigation images (bottom) just change once the image slides in?

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• vertical align of some inline-block divs with different content

  - by Jan Möller

  i want to center some inline-block divs. I want to create a responsive design, so if the screen size is too small, the horizontal elements should be under each other. How can i center them vertical, so they are side by side without a difference in height? (See fiddle). Moveover those elements should be verticaly centered, if the screen size is too small. http://jsfiddle.net/5dpRs/52/ CSS .repeat { display:inline-block; border-style:solid; border-width:2px; height:50px; width:50px; } #content { border-style:solid; border-width:2px; text-align:center; } HTML <div id="content"> <div class="repeat"> <p>hello</p> </div> <div class="repeat"> </div> </div> Thank you :)

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• Codeigniter: Simple ajax submit not working

  - by Kevin Brown

  jQuery: $('#welcome-message').submit(function() { // inside event callbacks 'this' is the DOM element so we first // wrap it in a jQuery object and then invoke ajaxSubmit $(this).ajaxSubmit({}); $(this).fadeTo(400, 0, function () { // Links with the class "close" will close parent $(this).slideUp(400); }); return false; }); Controller: function welcome_message() { if(isset($_POST['welcome_message'])) { $this-_my_private_function(); } } private function _my_private_function() { $id = $this->session->userdata('id'); $profile['welcome_message'] = '0'; $this->db->update('be_user_profiles',$profile, array('user_id' => $id)); redirect('home', 'location'); } html: <?php print form_open('home/welcome_message',array('class'=>'horizontal','id'=>'welcome-message'))?> <p> Before you can complete the assessment, you need to complete your profile. Once that's done you'll be ready! After you have completed the assessment, you will be able to view the results from your profile. </p> <input type="checkbox" value="0" name="welcome_message" checked="false"> Don't show me this again </input> <p> <input class="button submit" type="submit" class="close-box" value="Close" /> </p> <?php print form_close()?> This should be working. My hypothesis is that the data isn't being passed to the function...but I really have no idea! It works when I visit the function in the url.

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• How do you keep text from wrapping in an NSTableView using NSAttributedString

  - by Justin

  I have an NSTableView that has 2 columns, one for an icon and the other for two lines of text. In the second column, the text column, I have some larger text that is for the name of an item. Then I have a new line and some smaller text that describes the state of the item. When the name becomes so large that it doesn't fit on one line it wraps (or when you shrink the window down so small that it causes the names to not fit on a single line). row1=============== | image |  some name   | | image |   idle               | row2================ | image |  some name really long name   | <- this gets wrapped pushing 'idle' out of the view | image |   idle               | =================== My question is, how could I keep the text from wrapping and just have the NSTableView display a horizontal scroll-bar once the name is too large to fit?

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• MouseMotion Sensor Method Call

  - by user321894

  I have a soon-to-be due assignment due in computer science. I have encountered a problem, for which no matter how long I study the API's of the class and superclasses, I can not figure out. Suppose I wish to design a sort of "Breakout game" where the mouse motion controls the motion of a block that is used to bounce a ball, which then destroys multi colored bricks. How do you specifically make the block "listen" to the mouse? The below code is what I have attempted to achieve the desired results. /** Breakout Program*/ public class Breakout extends GraphicsProgram implements MouseMotionListener { ... /** The Paddle Itself */ private GRect paddle = new GRect(0, HEIGHT-PADDLEBOTTOM_OFFSET, PADDLEWIDTH, PADDLEHEIGHT); ... /** Run the Breakout program. */ public void run() { paddle.setFillColor(Color.BLACK); paddle.setFilled(true); add(paddle); paddle.addMouseListener(this); ... } /** Move the horizontal middle of the paddle to the x-coordinate of the mouse position - * -but keep the paddle completely on the board. */ public void mouseMoved(MouseEvent e) { GPoint p= new GPoint(e.getPoint()); double x = p.getX(); paddle.setLocation(x, HEIGHT-PADDLEBOTTOM_OFFSET); } } Any clarification on why/what I am doing incorrectly would be helpful, thanks.

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• Can this auto-stretcing scenario be realized undex XHTML/CSS?

  - by Vilx-

  I want two horizontal areas in my webpage. The first one is the menu. It's on the top. Unfortunately I don't know its size, and it might change in response to user actions. Below the menu is the main area which should stretch at least as far as the bottom of the window (if there is little content) or beyond (if there is a lot of content. To illustrate with ASCII art: +----------------------------------------------------+ | This area resizes vertically depending on contents | +----------------------------------------------------+ | This area stretches to the bottom of the window, | | but can be even larger if necessary. Note: this | | should be a separate area because it will contain | | children with height:100% as well. | | | +----------------------------------------------------+ Can this be done? Can it be done with Javascript? Added: To put things in perspective and avoid confusion, think of it this way: the top menu is generated by myself, but the bottom area is an IFrame which I want to fill the rest of the page. This is what it eventually comes down to anyway in my case.

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• dynamically created controls and postback

  - by Mark

  Hi all, I have created dynamic controls (Radiobuttonlists) in an asp.net page (c#). I create them after a button click like this. RadioButtonList rbl = new RadioButtonList(); c2.Controls.Add(rbl); //Set properties of rbl rbl.RepeatLayout = RepeatLayout.Flow; rbl.ID = string.Format("rbl{0}", item.QuestionID); rbl.RepeatDirection = RepeatDirection.Horizontal; rbl.Items.Add(new ListItem("True", "1")); rbl.Items.Add(new ListItem("False", "0")); rbl.Items.Add(new ListItem("?", "-1")); Now the problem arises when I click the submit button, the controls are lost. I know it's better to actually put the controls in page_init event. but is there no workaround so I can still initiate my controls after button click? And is it good to first create button, then add it to control collection and then set its properties? Thankd in advance Kind regards, Mark

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• Incorrect sizing of a JPanel in a JScrollPane In Java 1.5

  - by Coder

  Hi, I am making an image loading component which consists of a JPanel containing a JScrollPane, which in turn contains another JPanel. What this component does is allows images to be dropped on top of it, after which point the image is loaded and the inner most JPanel is set to the size of the image dropped. This in turn causes the scroll bars to show up and the user can scroll the image. This all works fine. The problem comes in when i try to auto-shrink the image to the maximum visible area in the outer JPanel. In this case i do a uniform scale of the image to be less than or equal to the width and height of the outer JPanel. What happens now is that both the horizontal and vertical scroll bars show up indicating the the inner JPanel is bigger than the visible area (which should not be the case). I verified that the image is scale to the proper dimensions(ie. the maximum width and height is respected). I also verified that if i decrease the maximum height by 3 pixels, then no scroll bars appear. What i believe the problem is, is that panel.getWidth() and panel.getHeight() don't actually return the visible area (maximum area) that sub components can take up. Ie. there is likely some more width and height taken up by the border around the JPanel or something like that. My question is, how do i get around this problem. Functionally all i want is to determine the maximum size a JPanel can be in a JScrollPane, then set the panel to that size and paint an image over top of it and be assured that the scroll bars of the scroll pane will not show up. Right now the scroll bars are set to AS_NEEDED. Thanks!

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• WPF ToolBar Separator shrinks to nothing when inside a StackPanel

  - by qntmfred

  Given the very simple wpf app <Window x:Class="Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1" Height="300" Width="800"> <Grid> <ToolBar Height="50" > <MenuItem Header="Test1" /> <MenuItem Header="Test2" /> <StackPanel Orientation="Horizontal"> <Separator /> <MenuItem Header="Test3" /> <MenuItem Header="Test4" /> <MenuItem Header="Test5" /> </StackPanel> </ToolBar> </Grid> </Window> The Separator element shrinks to nothing. If I put the Separator just before the StackPanel begins, it will show up. Why does this happen? Is there a style setting that can be applied somewhere to avoid this?

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• Hyperlink in Silverlight AccordionItem HeaderTemplate

  - by Charlie Brown

  I have created a HeaderTemplate for my accordions where I want to display a text block on one side of the header and a hyperlink on the right side. The display is working correctly, but the click event is not called when the user clicks, I'm guessing b/c the header itself is trapping the click for expand/contract. <layoutToolkit:Accordion> <layoutToolkit:AccordionItem IsSelected="True"> <layoutToolkit:AccordionItem.HeaderTemplate> <DataTemplate> <StackPanel Orientation="Horizontal" Height="20"> <TextBlock Margin="0,0,700,0">Cancel Postcards</TextBlock> <HyperlinkButton Content="Next Call" Foreground="Blue" Click="NextCancel_Click" /> </StackPanel> </DataTemplate> </layoutToolkit:AccordionItem.HeaderTemplate> ..... more code .... Is there a way to get the hyperlink to respond to events without practically creating a new control?

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• Android: Why my user Interface does not get drawn when I Inflate the resource layout file?

  - by Einiosaurus

  First of all, I'm a newbie on Android programming, so please be detailed in your answers. I have a layout main.xml file with format similar to <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android = "http://schemas.android.com/apk/res/android" android:orientation = "vertical" android:layout_width = "fill_parent" android:layout_height = "fill_parent"> <LinearLayout xmlns:android = "http://schemas.android.com/apk/res/android" android:orientation = "horizontal"   android:layout_width = "fill_parent" android:layout_height = "fill_parent"> <EditText android:id="@+id/a" android:layout_width="fill_parent" android:layout_height="wrap_content" /> <TextView android:id="@+id/xSquared" android:layout_width = "fill_parent" android:layout_height = "wrap_content" android:text = "@string/equationPart1" /> </LinearLayout> <LinearLayout ... </LinearLayout> </LinearLayout> In my Java source file, I inflate the UI using command: setContentView(R.layout.main); public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } However, when I run the emulator, the UI does not show up like what I expect. Instead, it just display a simple EditText text box. I wonder what is going wrong. Is it because I put a layout inside another layout? I don't think there is any problem with that right?

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• IE7 modal dialog scrollbars overlap content

  - by cdmckay

  Here's the offending code. To test it, save it in a file called "test.html" and click the button in the top-left corner. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <title>Blarg</title> <style type='text/css'> body { margin: 20px; } #test { background: red; height: 2000px; } </style> </head> <body> <div id="test"><input type='button' onclick="javascript:window.showModalDialog('test.html', window, 'dialogWidth: 300px; resizable: yes;');" /></div> </body> </html> If I open the page in normal IE7 window, it works fine. However, if I open it in an IE7 modal dialog, it draws the vertical scrollbar on top of the margin. What's even worse, because it draws the scrollbar on top of the margin, it also causes a horizontal scrollbar to be drawn. How do I work around this? I absolutely must use the IE modal dialog, I'm not at liberty to change that.

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• String or binary data would be truncated -- Heisenberg problem

  - by harpo

  When you get this error, the first thing you ask is, which column? Unfortunately, SQL Server is no help here. So you start doing trial and error. Well, right now I have a statement like: INSERT tbl (A, B, C, D, E, F, G) SELECT A, B * 2, C, D, E, q.F, G FROM tbl ,othertable q WHERE etc etc Note that Some values are modified or linked in from another table, but most values are coming from the original table, so they can't really cause truncation going back to the same field (that I know of). Eliminating fields one at a time eventually makes the error go away, if I do it cumulatively, but — and here's the kicker — it doesn't matter which fields I eliminate. It's as if SQL Server is objecting to the total length of the row, which I doubt, since there are only about 40 fields in all, and nothing large. Anyone ever seen this before? Thanks. UPDATE: I have also done "horizontal" testing, by filtering out the SELECT, with much the same result. In other words, if I say WHERE id BETWEEN 1 AND 100: Error WHERE id BETWEEN 1 AND 50: No error WHERE id BETWEEN 50 AND 100: No error I tried many combinations, and it cannot be limited to a single row.

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• Image overlapping in widget

  - by Hunt

  I am trying to create a widget in android in which when I click over image the image gets changed with a new one -- kind of toggle image. But when I click over it, the image overwrites over the old one rather then replacing the new one. I don't know whether this is the way the widget works or am I doing something wrong. My images are semi-transparent so in case one overrides another one can see the image which is being overlapped. This is the code that I have written in OnReceive by overriding it: @Override public void onReceive(Context context, Intent intent){ if (intent.getAction().equals(iAlertConstant.ACTION_WIDGET_UPDATE_FROM_WIDGET)) { RemoteViews remoteViews = new RemoteViews(context.getPackageName(),R.layout.mywidget); remoteViews.setImageViewResource(R.id.btnOnOff,R.drawable.offbtn); ComponentName thisWidget = new ComponentName(context, EmergencyWidget.class); AppWidgetManager.getInstance(context).updateAppWidget(thisWidget, remoteViews); } else super.onReceive(context, intent); } Layout <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:background="@drawable/widget_background" android:paddingLeft="10.0dip" android:paddingTop="8.0dip" android:paddingRight="10.0dip" android:paddingBottom="8.0dip" android:layout_width="fill_parent" android:layout_height="72dp" android:layout_marginLeft="10.0dip" android:layout_marginTop="10.0dip" android:layout_marginRight="10.0dip" android:id="@+id/emergencyWidget" android:orientation="horizontal"> <ImageView android:background="@drawable/offbtn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="7dp" android:layout_marginLeft="4dp" android:layout_marginRight="4dp" android:layout_gravity="right" android:id="@+id/btnOnOff" /> </LinearLayout>

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• Artifacts when trying to draw background grid without anti-aliasing in a QGraphicsScene

  - by estan

  Hi folks, I'm trying to draw a background grid in the drawBackground() function of my QGraphicsScene subclass: void Scene::drawBackground(QPainter *painter, const QRectF &rect) { const int gridSize = 50; const int realLeft = static_cast<int>(std::floor(rect.left())); const int realRight = static_cast<int>(std::ceil(rect.right())); const int realTop = static_cast<int>(std::floor(rect.top())); const int realBottom = static_cast<int>(std::ceil(rect.bottom())); // Draw grid. const int firstLeftGridLine = realLeft - (realLeft % gridSize); const int firstTopGridLine = realTop - (realTop % gridSize); QVarLengthArray<QLine, 100> lines; for (qreal x = firstLeftGridLine; x <= realRight; x += gridSize) lines.append(QLine(x, realTop, x, realBottom)); for (qreal y = firstTopGridLine; y <= realBottom; y += gridSize) lines.append(QLine(realLeft, y, realRight, y)); //painter->setRenderHint(QPainter::Antialiasing); painter->setPen(QPen(QColor(220, 220, 220), 0.0)); painter->drawLines(lines.data(), lines.size()); // Draw axes. painter->setPen(QPen(Qt::lightGray, 0.0)); painter->drawLine(0, realTop, 0, realBottom); painter->drawLine(realLeft, 0, realRight, 0); } However, unless I turn on anti-aliasing, moving items around will sometimes leave artifacts in the grid (areas where it's not drawn). It seems it mostly happens at low zoom levels, when the view is zoomed out a bit. Any ideas what I might be doing wrong here? I'd really don't want to turn anti-aliasing on since the lines are strictly horizontal and vertical, and I'd like them to be as crisp as possible. Any help is much appriciated, Regards, Elvis

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• How to create nested ViewComponents in Monorail and NVelocity?

  - by rob_g

  I have been asked to update the menu on a website we maintain. The website uses Castle Windors Monorail and NVelocity as the template. The menu is currently rendered using custom made subclasses of ViewComponent, which render li elements. At the moment there is only one (horizontal) level, so the current mechanism is fine. I have been asked to add drop down menus to some of the existing menus. As this is the first time I have seen Monorail and NVelocity, I'm a little lost. What currently exists: <ul> #component(MenuComponent with "title=Home" "hover=autoselect" "link=/") #component(MenuComponent with "title=Videos" "hover=autoselect") #component(MenuComponent with "title=VPS" "hover=autoselect" "link=/vps") #component(MenuComponent with "title=Add-Ons" "hover=autoselect" "link=/addons") #component(MenuComponent with "title=Hosting" "hover=autoselect" "link=/hosting") #component(MenuComponent with "title=Support" "hover=autoselect" "link=/support") #component(MenuComponent with "title=News" "hover=autoselect" "link=/news") #component(MenuComponent with "title=Contact Us" "hover=autoselect" "link=/contact-us") </ul> Is it possible to have nested MenuComponents (or a new SubMenuComponent) something like: <ul> #component(MenuComponent with "title=Home" "hover=autoselect" "link=/") #component(MenuComponent with "title=Videos" "hover=autoselect") #blockcomponent(MenuComponent with "title=VPS" "hover=autoselect" "link=/vps") #component(SubMenuComponent with "title="Plans" "hover=autoselect" "link=/vps/plans") #component(SubMenuComponent with "title="Operating Systems" "hover=autoselect" "link=/vps/os") #component(SubMenuComponent with "title="Supported Applications" "hover=autoselect" "link=/vps/apps") #end #component(MenuComponent with "title=Add-Ons" "hover=autoselect" "link=/addons") #component(MenuComponent with "title=Hosting" "hover=autoselect" "link=/hosting") #component(MenuComponent with "title=Support" "hover=autoselect" "link=/support") #component(MenuComponent with "title=News" "hover=autoselect" "link=/news") #component(MenuComponent with "title=Contact Us" "hover=autoselect" "link=/contact-us") </ul> I need to draw the sub menu (ul and li elements) inside the overridden Render method on MenuComponent, so using nested ViewComponent derivatives may not work. I would like a method keep the basically declarative method for creating menus, if at all possible.

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• Making a table in a scrolling div resizable?

  - by Mason Jones

  I've got a table in a div, with a vertical scrollbar on the div to allow the table to be longer than the div can hold. Works fine. But I'd like to allow the user to resize the div vertically if they want to be able to view more of the table. I've been playing with the jQueryUI resizable interaction, but it doesn't seem to quite do what I want; at least, not so far. I've tried making the wrapper div resizable, but the behavior's erratic. If I have the style "height:20em; overflow:auto;" on it, then I can resize the table horizontally, but not vertically. If I remove the overflow, then the table flows outside the div of course. If I remove the height, then the table is actually resizable, but it is initially drawn at full height. Anyone know of a way to specify an initial height, but allow it to be resized larger than that? If I make the table resizable rather than the div, then I can resize the table horizontally within the div but I can't increase the height of the displayed table. Which makes sense, of course, but I thought I'd mention it. Also, is there a way to make the resize "handle" the corner between the horizontal and vertical scrollbars? Right now it's a sort of invisible handle in the bottom-right of the table. Thanks for any thoughts.

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