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• WPF - Grid - updating Row and Column number attached properties on child controls each time a new Ro

  - by ig105

  I have a WPF Grid with a XAML similar to this: <Grid width=200 Height=200 > <Grid.ColumnDefinitions > <ColumnDefinition Width="1*" /> <ColumnDefinition Width="2*" /> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" MinHeight="24" /> </Grid.RowDefinitions> <TextBlock Text="Name" Grid.Row="0" Grid.Column="0"/> <TextBox Grid.Row="0" Grid.Column="1" /> <TextBlock Text="Age" Grid.Row="1" Grid.Column="0"/> <TextBox Grid.Row="1" Grid.Column="1" /> </Grid> I need to add a new row in between existing 2 rows of data, but my worry is that when I add a new row, I will need to manually update Grid.Row attached property in each of the controls that appear in rows below the newly added row. Is there a smarter way of doing this? may be to set Row/Column numbers relative to adjacent Rows/Columns ? Cheers.

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• Compiler optimization causing the performance to slow down

  - by aJ

  I have one strange problem. I have following piece of code: template<clss index, class policy> inline int CBase<index,policy>::func(const A& test_in, int* srcPtr ,int* dstPtr) { int width = test_in.width(); int height = test_in.height(); double d = 0.0; //here is the problem for(int y = 0; y < height; y++) { //Pointer initializations //multiplication involving y //ex: int z = someBigNumber*y + someOtherBigNumber; for(int x = 0; x < width; x++) { //multiplication involving x //ex: int z = someBigNumber*x + someOtherBigNumber; if(soemCondition) { // floating point calculations } *dstPtr++ = array[*srcPtr++]; } } } The inner loop gets executed nearly 200,000 times and the entire function takes 100 ms for completion. ( profiled using AQTimer) I found an unused variable double d = 0.0; outside the outer loop and removed the same. After this change, suddenly the method is taking 500ms for the same number of executions. ( 5 times slower). This behavior is reproducible in different machines with different processor types. (Core2, dualcore processors). I am using VC6 compiler with optimization level O2. Follwing are the other compiler options used : -MD -O2 -Z7 -GR -GX -G5 -X -GF -EHa I suspected compiler optimizations and removed the compiler optimization /O2. After that function became normal and it is taking 100ms as old code. Could anyone throw some light on this strange behavior? Why compiler optimization should slow down performance when I remove unused variable ? Note: The assembly code (before and after the change) looked same.

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• How to draw line inside a scatter plot

  - by ruffy

  I can't believe that this is so complicated but I tried and googled for a while now. I just want to analyse my scatter plot with a few graphical features. For starters, I want to add simply a line. So, I have a few (4) points and like in this plot [1] I want to add a line to it. http://en.wikipedia.org/wiki/File:ROC_space-2.png [1] Now, this won't work. And frankly, the documentation-examples-gallery combo and content of matplotlib is a bad source for information. My code is based upon a simple scatter plot from the gallery: # definitions for the axes left, width = 0.1, 0.85 #0.65 bottom, height = 0.1, 0.85 #0.65 bottom_h = left_h = left+width+0.02 rect_scatter = [left, bottom, width, height] # start with a rectangular Figure fig = plt.figure(1, figsize=(8,8)) axScatter = plt.axes(rect_scatter) # the scatter plot: p1 = axScatter.scatter(x[0], y[0], c='blue', s = 70) p2 = axScatter.scatter(x[1], y[1], c='green', s = 70) p3 = axScatter.scatter(x[2], y[2], c='red', s = 70) p4 = axScatter.scatter(x[3], y[3], c='yellow', s = 70) p5 = axScatter.plot([1,2,3], "r--") plt.legend([p1, p2, p3, p4, p5], [names[0], names[1], names[2], names[3], "Random guess"], loc = 2) # now determine nice limits by hand: binwidth = 0.25 xymax = np.max( [np.max(np.fabs(x)), np.max(np.fabs(y))] ) lim = ( int(xymax/binwidth) + 1) * binwidth axScatter.set_xlim( (-lim, lim) ) axScatter.set_ylim( (-lim, lim) ) xText = axScatter.set_xlabel('FPR / Specificity') yText = axScatter.set_ylabel('TPR / Sensitivity') bins = np.arange(-lim, lim + binwidth, binwidth) plt.show() Everything works, except the p5 which is a line. Now how is this supposed to work? What's good practice here?

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• Binding ElementName

  - by zvi

  Hello First Sorry for my English. I wanted to ask why ElementName does not work the first case, and work in the second. I give the two sections of code . the firts not work <Button Name="button1" Width="100" > <Button.LayoutTransform> <ScaleTransform x:Name="ttt" ScaleX="3" ScaleY="6"/> </Button.LayoutTransform> <Button.Triggers> <EventTrigger RoutedEvent="Path.Loaded"> <EventTrigger.Actions> <BeginStoryboard> <Storyboard RepeatBehavior="Forever"> <DoubleAnimation Storyboard.Target="{Binding ElementName=ttt}" Storyboard.TargetProperty="ScaleX" From="10" To="5" Duration="0:0:1" /> </Storyboard> </BeginStoryboard> </EventTrigger.Actions> </EventTrigger> </Button.Triggers> Button </Button> But it does work <Button Name="button1" Width="100" > <Button.LayoutTransform> <ScaleTransform x:Name="ttt" ScaleX="3" ScaleY="6"/> </Button.LayoutTransform> <Button.Triggers> <EventTrigger RoutedEvent="Path.Loaded"> <EventTrigger.Actions> <BeginStoryboard> <Storyboard RepeatBehavior="Forever"> <DoubleAnimation Storyboard.Target="{Binding ElementName=button1}" Storyboard.TargetProperty="Width" From="100" To="50" Duration="0:0:1" /> </Storyboard> </BeginStoryboard> </EventTrigger.Actions> </EventTrigger> </Button.Triggers> Button </Button> I know I can use Storyboard.TargetName .

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• WPF toolbar disappearing on resize

  - by user1122909

  On my main form I have a toolbar with a number of buttons. Once the parent form is resized down by dragging it so that the entire toolbar with all its buttons no longer fits in the width of the window, the whole toolbar disappears. Is there a way I can make it so that as you resize it, when you get to the width of the toolbar the inner controls of the form stop resizing and stay displayed, just cut off where the window has resized to? Code is <Grid > <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" /> <RowDefinition Height="*" /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="*" /> </Grid.ColumnDefinitions> <ToolBar Grid.Row="1" Height="50" Name="tbMainToolbar" VerticalAlignment="Top" MinWidth="900" > <ToolBar.Background> <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1"> <GradientStop Color="White" Offset="0.0" /> <GradientStop Color="#DCEBFF" Offset="0.25" /> <GradientStop Color="#99CCFF" Offset="0.75" /> <GradientStop Color="#99CCFF" Offset="1.0" /> </LinearGradientBrush> </ToolBar.Background> <DockPanel LastChildFill="True"> <Button Name="btnApproved" DockPanel.Dock="Left" Click="btnToolbar_Click" CommandParameter="APPROVED" Style="{StaticResource ToolbarButtonDisplay}" HelperClasses:ButtonProperties.Image="..\..\Resources\Images\APPROVEU.GIF" Content="Approve"> </Button> ... and so forth for about 20 buttons

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• Flex 3 - Scroll bar issue

  - by Emma

  Im currently learning Flex, and Im having the hardest time getting scroll bars to work. In short Im pretty much just making a giant form for users to fill out, contained within a viewstack component, the user will type up information in one view, and it will be displayed in the other. But right now in the first canvas i have components that run of the screen and flex doesnt seem to automate a scroll bar, so i added in 'verticalScrollPolicy="on"' to my canvas, now while it gives me a scroll bar, it gives me an empty scroll bar, I still cannot move it up or down, meaning components are still trapped off the bottom of my screen. Im I missing something amazingly simple? Edit - Sorry, Im using Adobe Flex Builder 3, and the components it lets you drag in. http://img12.imageshack.us/img12/218/problem1f.jpg This is a picture of the problem, and i guess relavent code would be. <mx:Application xmlns:mx="adobe.com/2006/mxml"; layout="absolute" width="830" height="835"> <mx:ViewStack x="10" y="72" id="viewstack1" width="790" height="751" > <mx:Canvas label="Design Mode" width="100%" height="100%" verticalScrollPolicy="on" horizontalScrollPolicy="on" > (Components inside) </mx:Canvas> Sorry if Im using this site wrong, still very new

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• Draw Rectangle with XNA

  - by mazzzzz

  Hey guys, I was working on game, and wanted to highlight a spot on the screen when something happens, I created a class to do this for me, and found a bit of code to draw the rectangle static private Texture2D CreateRectangle(int width, int height, Color colori) { Texture2D rectangleTexture = new Texture2D(game.GraphicsDevice, width, height, 1, TextureUsage.None, SurfaceFormat.Color);// create the rectangle texture, ,but it will have no color! lets fix that Color[] color = new Color[width * height];//set the color to the amount of pixels in the textures for (int i = 0; i < color.Length; i++)//loop through all the colors setting them to whatever values we want { color[i] = colori; } rectangleTexture.SetData(color);//set the color data on the texture return rectangleTexture;//return the texture } Problem is that the code above is called every update, (60 times a second), and it was not written with optimization in mind, I have no clue how else to write a code to do this though. It needs to be extremely fast (the code above freezes the game, which has only skeleton code right now).. Any suggestions. Note: Any new code would be great (WireFrame/Fill are both fine). I would like to be able to specify color. Something to point in the right direction would be great, Thanks, Max

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• Error Message, "The Controls collection cannot be modified because the control contains code blocks"

  - by Gogster

  I'm receiving this error on a page that previously worked fine, in fact the only change I've made to the page recently was to add another asp:TextBox and asp:RequiredFieldValidator control. The page already had numerous ASP.NET controls on it, so I cannot see why these extra controls would make a difference, anyway I shall post the code below and hopefully you can see what the error is: <%@ Control Language="C#" AutoEventWireup="true" CodeFile="MeetingGenerator.ascx.cs" Inherits="usercontrols_MeetingGenerator" %> <%@ Register TagPrefix="cc1" Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" %> <asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager> <div style="width:498px;height:425px;background-color:#033b2a;text-align:center;padding-top:20px;"> <asp:Label ID="lblDone" CssClass="done" runat="server"></asp:Label> <asp:Panel id="pnlAddReport" runat="server"> <div> <img src="../images/banners/add-meeting.png" alt="Add Report" /> </div> <p> <asp:ValidationSummary ID="ValidationSummary" CssClass="validationsummary" runat="server" /> <asp:TextBox ID="txtTitle" BorderStyle="None" CssClass="watermark" Width="250px" Height="22px" runat="server"></asp:TextBox> <cc1:TextBoxWatermarkExtender ID="TextBoxWatermarkExtender1" TargetControlID="txtTitle" WatermarkCssClass="watermark" WatermarkText=" Meeting title" runat="server"></cc1:TextBoxWatermarkExtender> <asp:RequiredFieldValidator ID="rfvTitle" ControlToValidate="txtTitle" Text="" ErrorMessage="Please enter the title" Display="None" InitialValue="" runat="server"></asp:RequiredFieldValidator> <asp:RequiredFieldValidator ID="rfvTitle1" ControlToValidate="txtTitle" Text="" ErrorMessage="Please enter the title" Display="None" InitialValue=" Meeting title" runat="server"></asp:RequiredFieldValidator> </p> <p> <asp:TextBox ID="txtDate" BorderStyle="None" CssClass="watermark" Width="250px" Height="22px" runat="server"></asp:TextBox> <cc1:CalendarExtender ID="ceDate" TargetControlID="txtDate" Format="dd/MM/yyyy" runat="server"> </cc1:CalendarExtender> <cc1:TextBoxWatermarkExtender ID="TextBoxWatermarkExtender2" TargetControlID="txtDate" WatermarkCssClass="watermark" WatermarkText=" Meeting Date" runat="server"></cc1:TextBoxWatermarkExtender> <asp:RequiredFieldValidator ID="rfvDate" ControlToValidate="txtDate" Text="" ErrorMessage="Please select the meeting date" Display="None" InitialValue="" runat="server"></asp:RequiredFieldValidator> <asp:RequiredFieldValidator ID="rfvDate1" ControlToValidate="txtDate" Text="" ErrorMessage="Please select the meeting date" Display="None" InitialValue=" Meeting Date" runat="server"></asp:RequiredFieldValidator> </p> <p> <asp:TextBox ID="txtMeetingTime" BorderStyle="None" Width="250px" Height="22px" MaxLength="5" runat="server"></asp:TextBox> <cc1:TextBoxWatermarkExtender ID="tweMeetingTime" TargetControlID="txtMeetingTime" WatermarkCssClass="watermark" WatermarkText=" Time (HH:MM)" runat="server"></cc1:TextBoxWatermarkExtender> <asp:RequiredFieldValidator ID="RequiredFieldValidator1" ControlToValidate="txtMeetingTime" Text="" ErrorMessage="Please enter the meeting time" Display="None" InitialValue="" runat="server"></asp:RequiredFieldValidator> <asp:RequiredFieldValidator ID="RequiredFieldValidator11" ControlToValidate="txtMeetingTime" Text="" ErrorMessage="Please enter the meeting time" Display="None" InitialValue=" Time (HH:MM)" runat="server"></asp:RequiredFieldValidator> </p> <p> <asp:TextBox ID="txtLocation" BorderStyle="None" CssClass="watermark" Width="250px" Height="22px" runat="server"></asp:TextBox> <cc1:TextBoxWatermarkExtender ID="TextBoxWatermarkExtender3" TargetControlID="txtLocation" WatermarkCssClass="watermark" WatermarkText=" Location" runat="server"></cc1:TextBoxWatermarkExtender> <asp:RequiredFieldValidator ID="rfvLocation" ControlToValidate="txtLocation" Text="" ErrorMessage="Please enter the location" Display="None" InitialValue="" runat="server"></asp:RequiredFieldValidator> <asp:RequiredFieldValidator ID="rfvLocation1" ControlToValidate="txtLocation" Text="" ErrorMessage="Please enter the location" Display="None" InitialValue=" Location" runat="server"></asp:RequiredFieldValidator> </p> <p> <asp:ImageButton ID="btnAddMeeting" ImageUrl="/images/buttons/addmeeting-btn.gif" runat="server" OnClick="btnAddMeeting_Click" /> </p> <p> </p> </asp:Panel> </div> <%@ Master Language="C#" MasterPageFile="/masterpages/Master.master" AutoEventWireup="true" %> <asp:content ContentPlaceHolderId="additionalhead" runat="server"> </asp:content> <asp:content ContentPlaceHolderId="additionalbody" runat="server"> <umbraco:Macro Alias="AddMeeting" runat="server"></umbraco:Macro> </asp:content> <asp:content ContentPlaceHolderId="bodyContent" runat="server"> </asp:content> <%@ Master Language="C#" AutoEventWireup="true" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title><umbraco:Item field="title" runat="server"></umbraco:Item></title> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/jquery-ui.min.js"></script> <script type="text/javascript" src="/js/jQueryString-2.0.2-Min.js"></script> <link rel="stylesheet" type="text/css" href="/css/Styles.css" /> <link rel="stylesheet" type="text/css" href="/css/Layout.css" /> <link rel="stylesheet" type="text/css" href="/css/Forms.css" /> <script type="text/javascript" language="javascript"> $(document).ready(function () { $('#uploadAgenda').hide(); $('#uploadMinutes').hide(); $('#<%=txtSearchEAA.ClientID%>').val('Search EAA'); var st = $.getQueryString({ ID:"search" }); if (st != '') { $('#<%=txtSearchEAA.ClientID%>').val(st); }; $('#<%=txtSearchEAA.ClientID%>').click(function() { $('#<%=txtSearchEAA.ClientID%>').val(''); }); }); </script> <script type="text/C#" runat="server"> protected void btnSearch_Click(object sender, EventArgs e) { Response.Redirect("/members/search-results?search=" + txtSearchEAA.Text); } </script> <asp:ContentPlaceHolder id="additionalhead" runat="server"></asp:ContentPlaceHolder> <umbraco:Item field="AdditionalHead" runat="server"></umbraco:Item> </head> <body style="background-color:#e5e5e5;"> <script runat="server"> protected void btnLogout_Click(object sender, EventArgs e) { FormsAuthentication.SignOut(); Response.Redirect("/login"); } </script> <form id="form1" runat="server"> <asp:ContentPlaceHolder id="additionalbody" runat="server"></asp:ContentPlaceHolder> <div class="wrapper"> <div class="content"> <div class="banner"> <div class="bannerSearchSpacer"> <a href="/home"><h1><span>EAA</span></h1></a> </div> <div class="aboutEAA"> &nbsp; </div> <div class="bannerSearchAligns"> <div class="searchbox"> <asp:TextBox ID="txtSearchEAA" CssClass="watermark" Width="155px" runat="server"></asp:TextBox> </div> <div class="searchButton"> <asp:ImageButton ID="imbSearch" ImageUrl="/images/buttons/go.gif" OnClick="btnSearch_Click" runat="server" /> </div> <div style="clear:both;"></div> </div> <div class="loginBox"> <dl> <dt>Hello</dt> <dd><umbraco:Macro Alias="MemberName" runat="server"></umbraco:Macro></dd> <dt>Arena</dt> <dd><umbraco:Macro Alias="MemberArena" runat="server"></umbraco:Macro></dd> </dl> <div><asp:ImageButton ID="btnLogout" ImageUrl="/images/buttons/logout.gif" runat="server" OnClick="btnLogout_Click" /></div> </div> <div style="clear:both;"></div> </div> <div id="contentarea"> <div class="menuLeft"> <div class="menuPlaceholder"> <umbraco:Macro Alias="DynamicMenu" runat="server"></umbraco:Macro> </div> </div> <div class="mainBody"> <asp:ContentPlaceHolder id="bodyContent" runat="server"></asp:ContentPlaceHolder> </div> <div style="clear:both;"></div> </div> </div> </div> </form> <umbraco:Macro Alias="MemberAnalytics" runat="server"></umbraco:Macro> </body> </html>

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• Beginner question about CSS and layout and height

  - by vtortola

  Hi, I'm trying to create a very simple page that contains a container, a header, a left column and a footer: [containter] [header /] [content /] [leftBar /] [footer /] [/containter] (Sorry, I cannot paste the code properly, only appears the tag "body" and the rest disapears :S ... ) As you can see, very simple stuff. I want to use the 100% of the height, as I can do with the width, but I simply don`t get it work :S At his moment I'm using min-height, but how could I use the height:100% ? What I like is that the footer is always visible, and you scroll the content. This is what I have till the moment: body { font-family: Verdana; font-size: 0.8em; background-color:#f1f1f1; } container { border:solid 2px Black; position:absolute; left:10%; width:80%; margin:auto; } header { height:20px; background: #DDDDDD; } leftBar { width: 20%; background: #669966; min-height:600px; postion:absolute; top:20px; bottom:20px; } content { float:right; background-color: #cdcde6; position:absolute; left:20%; right:0px; bottom:20px; top:20px; padding:5px; } footer { position:absolute; height:20px; } I'm reading a book about CSS, but I still don't get the part about the height :S Thanks in advance.

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• jqGrid zebra striping problem

  - by ShiVik

  Hello all I have just started with jQuery. I am trying to implement zebra striping in my jqGrid class. I am having the problem when user clicks on sort column, all rows get rearranged and the zebra striping is blown away. Zebra Striping code $("#item_table tbody tr:odd").addClass("alt"); $("#item_table tbody tr").mouseover(function() { $(this).addClass("over"); }); $("#item_table tbody tr").mouseout(function() { $(this).removeClass("over"); }); jqGrid code jQuery.extend(jQuery.jgrid.defaults, { autowidth: true, hidegrid: false, colModel:[ { name: 'icon', index: 'icon', width: 0, resizable: false }, { name: 'name', index: 'name', width: 0, resizable: false }, { name: 'price', index: 'price', width: 0, sorttype: "int", resizable: false } ], onSortCol: function(index, iCol, sortorder) { // This doesn't work - IT SHOULDN'T EITHER, since event is called // just after clicking to sort but before actual sorting jQuery("#item_table tbody tr:odd").addClass("odd"); }, caption: "Item Table" }); I also tried loadComplete, gridComplete events, but to no avail. How should I proceed with this? Have I even started this right? Regards Vikram

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• Pass a hidden jqGrid value when editing on ASP.Net MVC

  - by taylonr

  I have a jqGrid in an ASP.Net MVC. The grid is defined as: $("#list").jqGrid({ url: '<%= Url.Action("History", "Farrier", new { id = ViewData["horseId"]}) %>', editurl: '/Farrier/Add', datatype: 'json', mtype: 'GET', colNames: ['horseId', 'date', 'notes'], colModel: [ { name: 'horseId', index: 'horseId', width: 250, align: 'left', editable:false, editrules: {edithidden: true}, hidden: true }, { name: 'date', index: 'farrierDate', width: 250, align: 'left', editable:true }, { name: 'notes', index: 'farrierNotes', width: 100, align: 'left', editable: true } ], pager: jQuery('#pager'), rowNum: 5, rowList: [5, 10, 20, 50], sortname: 'farrierDate', sortorder: "DESC", viewrecords: true }); What I want to be able to do, add a row to the grid, where the horseId is either a) not displayed or b) greyed out. But is passed to the controller when saving. The way it's set up is this grid will only have 1 horse id at a time (it will exist on a horse's property page.) The only time I've gotten anything to work is when I made it editable, but then that opens it up for the user to modify the id, which isn't a good idea. So is there some way I can set this value before submitting the data? it does exist as a variable on this page, if that helps any (and I've checked that it isn't null). Thanks

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• How to make <asp:Menu and <asp:DropDownList on one line ?

  - by nCdy

  I've tried this : <div id="xDiv" align="left"> <div id="divX" runat="server" style="margin-left:40px; width: 650px;" align="center"> <asp:Menu ID="Menu3" runat="server" Orientation="Horizontal" Width="100%" StaticSelectedStyle-CssClass="StaticSelectedStyle" Height="52px" StaticSubMenuIndent="18px" oninit="Menu3_Init"> <StaticSelectedStyle CssClass="StaticSelectedStyle"></StaticSelectedStyle> <Items> <asp:MenuItem Text="Test" /> </Items> </asp:Menu> </div> <div runat="server"> <asp:DropDownList ID="DropDownList3" runat="server" DataSourceID="SqlDataSource1" DataTextField="RepGroup_Name" DataValueField="RepGroup_ID" Width="162px"> </asp:DropDownList> </div> </div> but it puts DropDownList not to the end of line , it puts it on a new line.

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• Table is centering by itself?

  - by user146780

  I have a page here: http://animactions.ca/Animactions/accueil.php and it has a right column. When the right column's content is longer than then the main content, the main content centers rather than start at the top despite I defining it in a style not to do so. From my style sheet: .tbsyles { margin: 0px; text-align: justify; width: 200px; border-left-style: solid; border-left-width: 1px; border-left-color: #A8CFE4; padding-left: 30px; height: 100%; line-height: 100%; vertical-align: top; padding-right: 0px; } .tablestylea { width: 900px; margin: 0px; text-align: justify; height: 100%; line-height: 100%; vertical-align: top; padding-right: 0px; } How can I make it so no matter what the length of my right col content the main content page resizes correctly and starts from the top rather than from the center? Thanks

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• css div positioning question

  - by SoulieBaby

  Hi all, I have three divs with the following css: div#container { width: 780px; } div#photos { width: 780px; height: 300px; } div#content { position: relative; top: -106px; width: 780px; } <div id="container"> <div id="photos">photos are here</div> <div id="content">content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer</div> </div> My problem is that because I've set the content layer to be top:-106px there's a big gap underneith, when I wanted the "container" div to end immediately after the "content" div. I tried setting margin-bottom: -106px on the "container" div but that didn't change the height of the "container" div.. The "content" div will have varied height as it's obviously for text, etc. Is there any way of making this work? Thanks in advance :)

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• Getting the size of the window WITHOUT title/notification bars

  - by Anidamo

  Hi there, I've been playing around with Android development and one of the things I'd like to be able to do is dynamically create a background image for my windows, similar to the one below. This is from my BlackBerry app. It consists of three separate parts, the bottom right logo, the top left watermark, and the bottom right name. It works independent of screen size because the BlackBerry app just gets all three parts and generates an appropriately sized bitmap using the screen width and height. Since Android has quite a bit more screen resolution possibilities I need to be able to generate backgrounds on the fly like this. However, I have not found any way to get the height/width of the window in Android. I can get the screen resolution, but that includes the application title bar and the notification bar, which is unacceptable. I'd like to know how to get the size of my window, or screen resolution minus the title and notification bars. I think this might be possible using the dimensions of my layout managers but I cannot get the height/width of them in the onCreate method so I'm at a little bit of a loss. Thanks.

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• Show RGB888 content

  - by Abhi

  Hi all! I have to show RGB888 content using the ShowRGBContent function. The below function is a ShowRGBContent function for yv12-rgb565 & UYVY-RGB565 static void ShowRGBContent(UINT8 * pImageBuf, INT32 width, INT32 height) { LogEntry(L"%d : In %s Function \r\n",++abhineet,WFUNCTION); UINT16 * temp; BYTE rValue, gValue, bValue; // this is to refresh the background desktop ShowWindow(GetDesktopWindow(),SW_HIDE); ShowWindow(GetDesktopWindow(),SW_SHOW); for(int i=0; i<height; i++) { for (int j=0; j< width; j++) { temp = (UINT16 *) (pImageBuf+ i*width*PP_TEST_FRAME_BPP+j*PP_TEST_FRAME_BPP); bValue = (BYTE) ((*temp & RGB_COMPONET0_MASK) >> RGB_COMPONET0_OFFSET) << (8 -RGB_COMPONET0_WIDTH); gValue = (BYTE) ((*temp & RGB_COMPONET1_MASK) >> RGB_COMPONET1_OFFSET) << (8 -RGB_COMPONET1_WIDTH); rValue = (BYTE) ((*temp & RGB_COMPONET2_MASK) >> RGB_COMPONET2_OFFSET) << (8 -RGB_COMPONET2_WIDTH); SetPixel(g_hDisplay, SCREEN_OFFSET_X + j, SCREEN_OFFSET_Y+i, RGB(rValue, gValue, bValue)); } } Sleep(2000); //sleep here to review the result LogEntry(L"%d :Out %s Function \r\n",++abhineet,__WFUNCTION__); } I have to modify this for RGB888 Here in the above function: ************************ RGB_COMPONET0_WIDTH = 5 RGB_COMPONET1_WIDTH = 6 RGB_COMPONET2_WIDTH = 5 ************************ ************************ RGB_COMPONET0_MASK = 0x001F //31 in decimal RGB_COMPONET1_MASK = 0x07E0 //2016 in decimal RGB_COMPONET2_MASK = 0xF800 //63488 in decimal ************************ ************************ RGB_COMPONET0_OFFSET = 0 RGB_COMPONET1_OFFSET = 5 RGB_COMPONET2_OFFSET = 11 ************************ Also PP_TEST_FRAME_BPP = 2 for yv12 -> RGB565 & UYVY -> RGB565 Now my task is for RGB888. Please guide me what shall i do in this. Thanks in advance.

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• Focusing a textarea

  - by Hulk

  Int he below code a textarea is added 6 times and initially the textarea conatins the text Enter Text. My question is, if the user enters data in first and third textareas. How to give alert to the user saying that the "textareas are empty" this is a general message but focus on the 2nd textarea and when the user enters data in 2nd the next textarea should be focused. <script> function ad_R(count) { //Adding and populating table row var row = '<tr>'; row += '<td>'; row += '<textarea rows = "8" cols = "18" border ="0" class="input" style="border:none;overflow:visible;width:100%;" id="details'+count+'" nfocus="if (this.value == \'Enter text\') this.value = \'\';" onblur="if (this.value == \'\') this.value = \'Enter text\';" name ="detail'+count+'" class="row_details'+r_count+'">Enter text</textarea></td></tr>'; } $(document).ready(function() { cnt += '<table cellspacing="0" cellpadding="0" border="1" width="100%" id="_table">'; cnt += '<tr>'; cnt += '<th width="30%">Category</th>'; cnt += '</tr>'; for(var i=0;i<6;i++) { cnt += add_R(6); } cnt += '</table>'; });

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• CAScrollLayer doesn't scroll!

  - by Cliff

  Maybe it's because it's late. Whatever the reason I can't figure out why I'm having trouble with a simple CSScrollLayer example I'm trying. I add a 50 pixel Eclipse icon to a view based project and in my initialize method (called from initWithNibName:bundle:) I have this: -(void) initialize { CAScrollLayer *scrollLayer = [CAScrollLayer layer]; scrollLayer.backgroundColor = [[UIColor blackColor] CGColor]; CGRect bounds = self.view.bounds; scrollLayer.bounds = CGRectMake(0, 0, bounds.size.width, bounds.size.height); scrollLayer.contentsRect = CGRectMake(0, 0, bounds.size.width + 800, bounds.size.height + 800); scrollLayer.borderWidth = 2.5; scrollLayer.borderColor = [[UIColor redColor] CGColor]; scrollLayer.position = CGPointMake(self.view.center.x, self.view.center.y - 20); scrollLayer.scrollMode = kCAScrollBoth; [self.view.layer addSublayer:scrollLayer]; UIImage *image = [UIImage imageNamed:@"eclipse32.gif"]; for(int i=0; i<6; i++) { layer = [CALayer layer]; layer.backgroundColor = [[UIColor blackColor] CGColor]; layer.bounds = CGRectMake(0, 0, 100, 100); layer.contents = (id)[image CGImage]; layer.position = CGPointMake(layer.bounds.size.width * i, self.view.center.y); [scrollLayer addSublayer:layer]; } // [button removeFromSuperview]; // [self.view addSubview:button]; // self.view.userInteractionEnabled = YES; [image release]; } The scroll layer shows, the icon is repeated on the layer I have a border around the edge of the screen. Everything is lovely except I can't scroll the icons. I've tried with/without setting scroll mode. I've tried with a single stretched icon that falls off screen. I've tried everything. What am I doing wrong?

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• How to use EffectUpdate?

  - by coma

  So, this is my sample: <?xml version="1.0" encoding="utf-8"?> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:mx="library://ns.adobe.com/flex/mx" xmlns:s="library://ns.adobe.com/flex/spark"> <fx:Style> @namespace s "library://ns.adobe.com/flex/spark"; @namespace mx "library://ns.adobe.com/flex/mx"; s|Application { background-color: #333333; } #info { padding-top: 5; padding-right: 5; padding-bottom: 5; padding-left: 5; font-size: 22; background-color: #ffffff; } #plane { corner-radius: 8; background-color: #1c1c1c; } </fx:Style> <fx:Script> import mx.events.*; private var steps:uint = 0; private function effectUpdateHandler(event:EffectEvent):void { info.text = "rotationY: " + plane.rotationY + " ; steps: " + steps; steps++; } </fx:Script> <fx:Declarations> <s:Rotate3D id="spin" target="{plane}" autoCenterTransform="true" angleYFrom="0" angleYTo="360" repeatCount="10" effectUpdate="effectUpdateHandler(event)" /> </fx:Declarations> <s:VGroup horizontalAlign="center" gap="50" width="100%"> <s:Label id="info" width="100%"/> <s:BorderContainer id="plane" width="200" height="200" click="spin.play()"/> </s:VGroup> </s:Application> and it doesn't make me happy.

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• trying to make a simple grid-class, non-lvalue in assignment

  - by Tyrfing

  I'm implementing a simple C++ grid class. One Function it should support is accessed through round brackets, so that I can access the elements by writing mygrid(0,0). I overloaded the () operator and i am getting the error message: "non-lvalue in assignment". what I want to be able to do: //main cGrid<cA*> grid(5, 5); grid(0,0) = new cA(); excerpt of my implementation of the grid class: template class cGrid { private: T* data; int mWidth; int mHeight; public: cGrid(int width, int height) : mWidth(width), mHeight(height) { data = new T[width*height]; } ~cGrid() { delete data; } T operator ()(int x, int y) { if (x >= 0 && x <= mWidth) { if (y >= 0 && y <= mHeight) { return data[x + y * mWidth]; } } } const T &operator ()(int x, int y) const { if (x >= 0 && x <= mWidth) { if (y >= 0 && y <= mHeight) { return data[x + y * mWidth]; } } } The rest of the code deals with the implementation of an iterator and should not be releveant.

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• How to Upload a file from client to server using OFBIZ?

  - by SIVAKUMAR.J

  Hi all, Im new to ofbiz.So is my question is have any mistake forgive me for my mistakes.Im new to ofbiz so i did not know some terminologies in ofbiz.Sometimes my question is not clear because of lack of knowledge in ofbiz.So try to understand my question and give me a good solution with respect to my level.Because some solutions are in very high level cannot able to understand for me.So please give the solution with good examples. My problem is i created a project inside the ofbiz/hot-deploy folder namely "productionmgntSystem".Inside the folder "ofbiz\hot-deploy\productionmgntSystem\webapp\productionmgntSystem" i created a .ftl file namely "app_details_1.ftl" .The following are the coding of this file <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Insert title here</title> <script TYPE="TEXT/JAVASCRIPT" language=""JAVASCRIPT"> function uploadFile() { //alert("Before calling upload.jsp"); window.location='<@ofbizUrl>testing_service1</@ofbizUrl>' } </script> </head> <!-- <form action="<@ofbizUrl>testing_service1</@ofbizUrl>" enctype="multipart/form-data" name="app_details_frm"> --> <form action="<@ofbizUrl>logout1</@ofbizUrl>" enctype="multipart/form-data" name="app_details_frm"> <center style="height: 299px; "> <table border="0" style="height: 177px; width: 788px"> <tr style="height: 115px; "> <td style="width: 103px; "> <td style="width: 413px; "><h1>APPLICATION DETAILS</h1> <td style="width: 55px; "> </tr> <tr> <td style="width: 125px; ">Application name : </td> <td> <input name="app_name_txt" id="txt_1" value=" " /> </td> </tr> <tr> <td style="width: 125px; ">Excell sheet &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;: </td> <td> <input type="file" name="filename"/> </td> </tr> <tr> <td> <!-- <input type="button" name="logout1_cmd" value="Logout" onclick="logout1()"/> --> <input type="submit" name="logout_cmd" value="logout"/> </td> <td> <!-- <input type="submit" name="upload_cmd" value="Submit" /> --> <input type="button" name="upload1_cmd" value="Upload" onclick="uploadFile()"/> </td> </tr> </table> </center> </form> </html> the following coding is present in the file "ofbiz\hot-deploy\productionmgntSystem\webapp\productionmgntSystem\WEB-INF\controller.xml" ...... ....... ........ <request-map uri="testing_service1"> <security https="true" auth="true"/> <event type="java" path="org.ofbiz.productionmgntSystem.web_app_req.WebServices1" invoke="testingService"/> <response name="ok" type="view" value="ok_view"/> <response name="exception" type="view" value="exception_view"/> </request-map> .......... ............ .......... <view-map name="ok_view" type="ftl" page="ok_view.ftl"/> <view-map name="exception_view" type="ftl" page="exception_view.ftl"/> ................ ............. ............. The following are the coding present in the file "ofbiz\hot-deploy\productionmgntSystem\src\org\ofbiz\productionmgntSystem\web_app_req\WebServices1.java" package org.ofbiz.productionmgntSystem.web_app_req; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.DataInputStream; import java.io.FileOutputStream; import java.io.IOException; public class WebServices1 { public static String testingService(HttpServletRequest request, HttpServletResponse response) { //int i=0; String result="ok"; System.out.println("\n\n\t*************************************\n\tInside WebServices1.testingService(HttpServletRequest request, HttpServletResponse response)- Start"); String contentType=request.getContentType(); System.out.println("\n\n\t*************************************\n\tInside WebServices1.testingService(HttpServletRequest request, HttpServletResponse response)- contentType : "+contentType); String str=new String(); // response.setContentType("text/html"); //PrintWriter writer; if ((contentType != null) && (contentType.indexOf("multipart/form-data") >= 0)) { System.out.println("\n\n\t**********************************\n\tInside WebServices1.testingService(HttpServletRequest request, HttpServletResponse response) after if (contentType != null)"); try { // writer=response.getWriter(); System.out.println("\n\n\t**********************************\n\tInside WebServices1.testingService(HttpServletRequest request, HttpServletResponse response) - try Start"); DataInputStream in = new DataInputStream(request.getInputStream()); int formDataLength = request.getContentLength(); byte dataBytes[] = new byte[formDataLength]; int byteRead = 0; int totalBytesRead = 0; //this loop converting the uploaded file into byte code while (totalBytesRead < formDataLength) { byteRead = in.read(dataBytes, totalBytesRead,formDataLength); totalBytesRead += byteRead; } String file = new String(dataBytes); //for saving the file name String saveFile = file.substring(file.indexOf("filename=\"") + 10); saveFile = saveFile.substring(0, saveFile.indexOf("\n")); saveFile = saveFile.substring(saveFile.lastIndexOf("\\")+ 1,saveFile.indexOf("\"")); int lastIndex = contentType.lastIndexOf("="); String boundary = contentType.substring(lastIndex + 1,contentType.length()); int pos; //extracting the index of file pos = file.indexOf("filename=\""); pos = file.indexOf("\n", pos) + 1; pos = file.indexOf("\n", pos) + 1; pos = file.indexOf("\n", pos) + 1; int boundaryLocation = file.indexOf(boundary, pos) - 4; int startPos = ((file.substring(0, pos)).getBytes()).length; int endPos = ((file.substring(0, boundaryLocation)).getBytes()).length; //creating a new file with the same name and writing the content in new file FileOutputStream fileOut = new FileOutputStream("/"+saveFile); fileOut.write(dataBytes, startPos, (endPos - startPos)); fileOut.flush(); fileOut.close(); System.out.println("\n\n\t**********************************\n\tInside WebServices1.testingService(HttpServletRequest request, HttpServletResponse response) - try End"); } catch(IOException ioe) { System.out.println("\n\n\t*********************************\n\tInside WebServices1.testingService(HttpServletRequest request, HttpServletResponse response) - Catch IOException"); //ioe.printStackTrace(); return("exception"); } catch(Exception ex) { System.out.println("\n\n\t*********************************\n\tInside WebServices1.testingService(HttpServletRequest request, HttpServletResponse response) - Catch Exception"); return("exception"); } } else { System.out.println("\n\n\t********************************\n\tInside WebServices1.testingService(HttpServletRequest request, HttpServletResponse response) else part"); result="exception"; } System.out.println("\n\n\t*************************************\n\tInside WebServices1.testingService(HttpServletRequest request, HttpServletResponse response)- End"); return(result); } } I want to upload a file to the server.The file is get from user "<input type="file"..> tag in the "app_details_1.ftl" file & it is updated into the server by using the method "testingService(HttpServletRequest request, HttpServletResponse response)" in the class "WebServices1".But the file is not uploaded. Give me a good solution for uploading a file to the server. Thanks & Regards, Sivakumar.J

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• How can I scale an OSMF player in ActionScript 3/Flex

  - by Greg Hinch

  I am trying to create a simple video player SWF using the open source media framework in Flex 4. I want to make it dynamically scale based on the dimensions of the video, input by the user. I am following the directions on the Adobe help site, but the video does not seem to scale properly. Depending on the size, sometimes videos play larger than the space allotted on the webpage, and sometimes smaller. The only way I have been able to get it to work properly is by including a SWF metadata tag hardcoding the width and height, but I can't use that if I want to make the player dynamically sized. My code is : package { import flash.display.Sprite; import flash.events.Event; import org.osmf.media.MediaElement; import org.osmf.media.MediaPlayer; import org.osmf.media.URLResource; import org.osmf.containers.MediaContainer; import org.osmf.elements.VideoElement; import org.osmf.layout.LayoutMetadata; public class GalleryVideoPlayer extends Sprite { private var videoElement:VideoElement; private var mediaPlayer:MediaPlayer; private var mediaContainer:MediaContainer; private var flashVars:Object; public function GalleryVideoPlayer() { if (stage) init(); else addEventListener(Event.ADDED_TO_STAGE, init); } private function init(e:Event = null):void { removeEventListener(Event.ADDED_TO_STAGE, init); flashVars = loaderInfo.parameters; mediaPlayer = new MediaPlayer(); videoElement = new VideoElement(new URLResource(flashVars.file)); mediaContainer = new MediaContainer(); var layoutMetadata:LayoutMetadata = new LayoutMetadata(); layoutMetadata.width = Number(flashVars.width); layoutMetadata.height = Number(flashVars.height); videoElement.addMetadata(LayoutMetadata.LAYOUT_NAMESPACE, layoutMetadata); mediaPlayer.media = videoElement; mediaContainer.addMediaElement(videoElement); addChild(mediaContainer); } }}

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• i want the ruby code of the php code i have given inside , please help me out

  - by Arpit Vaishnav

  <?php // amcharts.com export to image utility // set image type (gif/png/jpeg) $imgtype = 'jpeg'; // set image quality (from 0 to 100, not applicable to gif) $imgquality = 100; // get data from $_POST or $_GET ? $data = &$_POST; // get image dimensions $width = (int) $data['width']; $height = (int) $data['height']; // create image object $img = imagecreatetruecolor($width, $height); // populate image with pixels for ($y = 0; $y < $height; $y++) { // innitialize $x = 0; // get row data $row = explode(',', $data['r'.$y]); // place row pixels $cnt = sizeof($row); for ($r = 0; $r < $cnt; $r++) { // get pixel(s) data $pixel = explode(':', $row[$r]); // get color $pixel[0] = str_pad($pixel[0], 6, '0', STR_PAD_LEFT); $cr = hexdec(substr($pixel[0], 0, 2)); $cg = hexdec(substr($pixel[0], 2, 2)); $cb = hexdec(substr($pixel[0], 4, 2)); // allocate color $color = imagecolorallocate($img, $cr, $cg, $cb); // place repeating pixels $repeat = isset($pixel[1]) ? (int) $pixel[1] : 1; for ($c = 0; $c < $repeat; $c++) { // place pixel imagesetpixel($img, $x, $y, $color); // iterate column $x++; } } } // set proper content type header('Content-type: image/'.$imgtype); header('Content-Disposition: attachment; filename="chart.'.$imgtype.'"'); // stream image $function = 'image'.$imgtype; if ($imgtype == 'gif') { $function($img); } else { $function($img, null, $imgquality); } // destroy imagedestroy($img); ?

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• How do I set YUI2 paginator to select a page other than the first page?

  - by Jeremy Weathers

  I have a YUI DataTable (YUI 2.8.0r4) with AJAX pagination. Each row in the table links to a details/editing page and I want to link from that details page back to the list page that includes the record from the details page. So I have to a) offset the AJAX data correctly and b) tell YAHOO.widget.Paginator which page to select. According to my reading of the YUI API docs, I have to pass in the initialPage configuration option. I've attempted this, but it doesn't take (the data from AJAX is correctly offset, but the paginator thinks I'm on page 1, so clicking "next" takes me from e.g. page 6 to page 2. What am I not doing (or doing wrong)? Here's my DataTable building code: (function() { var columns = [ {key: "retailer", label: "Retailer", sortable: false, width: 80}, {key: "publisher", label: "Publisher", sortable: false, width: 300}, {key: "description", label: "Description", sortable: false, width: 300} ]; var source = new YAHOO.util.DataSource("/sales_data.json?"); source.responseType = YAHOO.util.DataSource.TYPE_JSON; source.responseSchema = { resultsList: "records", fields: [ {key: "url"}, {key: "retailer"}, {key: "publisher"}, {key: "description"} ], metaFields: { totalRecords: "totalRecords" } }; var LoadingDT = function(div, cols, src, opts) { LoadingDT.superclass.constructor.call( this, div, cols, src, opts); // hide the message tbody this._elMsgTbody.style.display = "none"; }; YAHOO.extend(LoadingDT, YAHOO.widget.DataTable, { showTableMessage: function(msg) { $('sales_table_overlay').clonePosition($('sales_table').down('table')). show(); }, hideTableMessage: function() { $('sales_table_overlay').hide(); } }); var table = new LoadingDT("sales_table", columns, source, { initialRequest: "startIndex=125&results=25", dynamicData: true, paginator: new YAHOO.widget.Paginator({rowsPerPage: 25, initialPage: 6}) }); table.handleDataReturnPayload = function(oRequest, oResponse, oPayload) { oPayload.totalRecords = oResponse.meta.totalRecords; return oPayload; }; })();

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• d3.js force layout increase linkDistance

  - by user1159833

  How to increase linkDistance without affecting the node alignment, example: http://mbostock.github.com/d3/talk/20110921/force.html when I try to increase the circle radius and linkDistance the it collapse <script type="text/javascript"> var w = 1280, h = 800, z = d3.scale.category20c(); var force = d3.layout.force() .size([w, h]); var svg = d3.select("#chart").append("svg:svg") .attr("width", w) .attr("height", h); svg.append("svg:rect") .attr("width", w) .attr("height", h); d3.json("flare.json", function(root) { var nodes = flatten(root), links = d3.layout.tree().links(nodes); force .nodes(nodes) .links(links) .start(); var link = svg.selectAll("line") .data(links) .enter().insert("svg:line") .style("stroke", "#999") .style("stroke-width", "1px"); var node = svg.selectAll("circle.node") .data(nodes) .enter().append("svg:circle") .attr("r", 4.5) .style("fill", function(d) { return z(d.parent && d.parent.name); }) .style("stroke", "#000") .call(force.drag); force.on("tick", function(e) { link.attr("x1", function(d) { return d.source.x; }) .attr("y1", function(d) { return d.source.y; }) .attr("x2", function(d) { return d.target.x; }) .attr("y2", function(d) { return d.target.y; }); node.attr("cx", function(d) { return d.x; }) .attr("cy", function(d) { return d.y; }); }); }); function flatten(root) { var nodes = []; function recurse(node, depth) { if (node.children) { node.children.forEach(function(child) { child.parent = node; recurse(child, depth + 1); }); } node.depth = depth; nodes.push(node); } recurse(root, 1); return nodes; } </script>

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