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  • Is it possible to template a template in WPF XAML?

    - by imekon
    Is it possible to use templates within templates? For instance, I have the following two templates: <HierarchicalDataTemplate x:Key="RecursiveTemplate" ItemsSource="{Binding Children}"> <StackPanel Margin="1" Orientation="Horizontal"> <Ellipse Fill="DarkGreen" Width="14" Height="14"/> <TextBlock MouseDown="OnTreeMouseDown" TargetUpdated="OnTargetUpdated" Visibility="{Binding Editing, Converter={StaticResource visibilityInverter}}" Margin="5" Text="{Binding Name}"/> <TextBox PreviewKeyDown="OnTreeKeyDown" Visibility="{Binding Editing, Converter={StaticResource visibilityConverter}}" Margin="2" Text="{Binding Name}"/> </StackPanel> </HierarchicalDataTemplate> <HierarchicalDataTemplate x:Key="ContainerTemplate" ItemsSource="{Binding Children}"> <StackPanel Margin="1" Orientation="Horizontal"> <Ellipse Fill="DarkBlue" Width="14" Height="14"/> <TextBlock MouseDown="OnTreeMouseDown" TargetUpdated="OnTargetUpdated" Visibility="{Binding Editing, Converter={StaticResource visibilityInverter}}" Margin="5" Text="{Binding Name}"/> <TextBox PreviewKeyDown="OnTreeKeyDown" Visibility="{Binding Editing, Converter={StaticResource visibilityConverter}}" Margin="2" Text="{Binding Name}"/> </StackPanel> </HierarchicalDataTemplate> There's a section of identical XAML: <TextBlock MouseDown="OnTreeMouseDown" TargetUpdated="OnTargetUpdated" Visibility="{Binding Editing, Converter={StaticResource visibilityInverter}}" Margin="5" Text="{Binding Name}"/> <TextBox PreviewKeyDown="OnTreeKeyDown" Visibility="{Binding Editing, Converter={StaticResource visibilityConverter}}" Margin="2" Text="{Binding Name}"/> Is it possible to move that to a resource and refer to it by name, rather than repeat it?

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  • jQuery Colorbox Iframe and Selector

    - by Joker
    I have this: $("a.money").colorbox({href:$("a.money").attr("href")+" div#content"}); Which opens an overlay but only of the content within the #content selector. If I add iframe:true, this will no longer work. Is there a way to get it to work with an iframe? Edit: The closest I could get it to work was by doing this: $("a.money").colorbox({iframe:true, width:700, height:425, onComplete: function() { alert('test'); $test = $("#cboxLoadedContent iframe").contents().find("#content").html(); $("#cboxLoadedContent iframe").contents().find("#container").html($test); } }); Although without the alert it doesn't appear to work, I looked into that and I think I need to use .live(), which led me to trying this: $('a.money').live('click', function() { url = this.href; // this is the url of the element event is triggered from $.fn.colorbox({href: url, iframe:true,width:700, height:425, onComplete: function() { $test = $("#cboxLoadedContent iframe").contents().find("#content").html(); $("#cboxLoadedContent iframe").contents().find("#container").html($test); } }); return false; }); Didn't work, I still needed to add an alert to make it work. In case you might be wondering what I'm trying to do. The webpage is loaded in the iframe, with all the elements in the #container, so that includes #header, #sidebars, but I only want to show the #content inside the iframe. However, this led me to another problem I realized. Assuming I got this to work without the alert, it will only work for that initial page. For example, if I loaded up a form in the iframe, after submitting the form, I would once again see the whole layout instead of just the #content portion. Is it possible to continue only showing the #content portion of the page upon further navigation?

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  • Google Maps: openInfoWindowTabsHtml + GDownloadUrl (Ajax call) question

    - by Spiros
    I am facing the following problem. On an Google Map I want to add info windows with tabs, where content is loaded from an external file using the GDownloadUrl method. The code works about fine, but with two problems. a) The first time I click on a marker, nothing hapens. I need to click twice to get an info box. After that it works ok. b) When I close an info box and open it again, the tabs repeat themselves. Every time I reopen the info box, those tabs get repeated. So, if using the code below and open the info box 3 times, I get 6 tabs (Info, Photos, Info, Photos, Info, Photos). Any idea of what I am doing wrong here? I have also tried this with JQuery's $.get method, but the results are exactly the same. function createREMarker(lat,long,reID) { var reMarker = new GMarker(rePoint,iconRE); GEvent.addListener(reMarker, "click", function() { GDownloadUrl('testcontent.php?reID='+reID+'&what=info', function(data) { content1 = data; }); GDownloadUrl('testcontent.php?reID='+reID+'&what=photos', function(data) { content2 = data; }); tabs.push(new GInfoWindowTab('Info', '<div id="mapOverlayContent" style="width:375px; height:220px; overflow:auto;">'+content1+'</div>')); tabs.push(new GInfoWindowTab('Photos', '<div id="mapOverlayContent" style="width:375px; height:220px; overflow:auto;">'+content2+'</div>')); reMarker.openInfoWindowTabsHtml(tabs); }); return reMarker; };

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  • DIVS over flash movies in Internet Explorer

    - by drew
    The age old question... why the hell doesn't a div positioned over a flash object stay on top with z-index. I have found the answer in the past, but it's been so long, I can't seem to get it. My flash movie is in a div floating left: <div id="flash"> <object width="614" height="289"> <param name="movie" value="images/75.swf"> <param name="wmode" value="transparent"> <embed src="images/75.swf" width="614" height="289" wmode"transparent"> </embed> </object> </div> My css for the div that needs to be on top is: .menu ul li:hover ul li a:hover { background:#5a3f2d; color:#FFF; z-index: 9999; I cannot get it to show above the flash movie in ie6 or ie8. I know this is old school but I'm frustrated! Does my nav div need to have an absolute position? Is that why it doesn't work? Example is here. Hover over the first link on the right: "CUSTOMER SERVICE" Thanks all :)

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  • In .NET, What Is Fastest Way to Initialize Multi-Dimensional Array to Non-Default Value

    - by AMissico
    How do I initialize a multi-dimensional array of a primitive type as fast as possible? I am stuck with using multi-dimensional arrays. My problem is performance. The following routine initializes a 100x100 array in approx. 500 ticks. Removing the int.MaxValue initialization results in approx. 180 ticks just for the looping. Approximately 100 ticks to create the array without looping and without initializing to int.MaxValue. Routines similiar to this are called a few tens-of-thousands to several million times. I am open to suggestions on how to optimize this non-default initialization of an array. One idea I had is to use a smaller primitive type when available. For instance, using byte instead of int, saves 100 ticks. I would be happy with this, but I am hoping that I don't have to change the primitive data type. public int[,] CreateArray(Size size) { int[,] array = new int[size.Width, size.Height]; for (int x = 0; x < size.Width; x++) { for (int y = 0; y < size.Height; y++) { array[x, y] = int.MaxValue; } } return array; }

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  • call a custom event from an item renderer in flex 4

    - by john
    I have a Renderer: [Event(name="addToCart",type="event.ProductEvent")] import mx.collections.ArrayCollection; protected function button1_clickHandler(event:MouseEvent):void { var eventObj:ProductEvent=new ProductEvent("addToCart",data.price,data.descript); dispatchEvent(eventObj); } ]]> <s:Label text="{data.descript}"/> <mx:Image source="{data.url}" width="50" height="50" width.hovered="100" height.hovered="100"/> <s:Label text="{data.price}"/> <s:Button includeIn="hovered" click="button1_clickHandler(event)" label="buy"/> and the custom event class: package events { import flash.events.Event; [Bindable] public class ProductEvent extends Event { public var price:String; public var descript:String; public function ProductEvent(type:String,price:String, descript:String) { super(type); this.price=price; this.descript=descript; } override public function clone():Event { return new ProductEvent(type,price,descript); } } } but a cannot call that event in : any ideas? thanks

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  • CSS buttons and crossbrowser issue

    - by Jason
    I have a class 'button' that I want to use for button, input and a tags. The problem is that both button and input tags have a greater line height than the anchor tag does. I have attached an example here so you can play around with it in firebug or whatever. http://28dev.com/stackoverflow/css-buttons.html But for those who just want to see the css/html, here it is: .button { font-family : helvetica, arial, sans-serif; -moz-border-radius: 3px; -webkit-border-radius: 3px; background : url(/images/ui-bg_glass_75_e6e6e6_1x400.png) repeat-x scroll 50% 50% #E6E6E6; border-color : #636363 #888888 #888888 #636363; border-right : 1px solid #888888; border-style : solid; border-width : 1px; cursor : pointer; display : block; float : left; font-size : 12px; font-weight : normal; line-height : 100%; min-width : 100px; padding : 3px 12px; text-align : center; } .button, .button a { color : #282828; text-decoration : none; } .button:hover, .button:hover a { border-color : #343434; color : #080808; } .marginR { margin-right : 5px; } <button class='button marginR' type='submit'>button.button</button> <input type="submit" value="input.button" class="button marginR" /> <a class="button" href="">a.button</a>

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  • Buttons OnClick Event not firing when it causes a textboxes onChange event to fire first

    - by user48408
    I have a few textboxes and button to save their values on a webpage. The onchange event of the textboxes fires some js which adds the changed text to a js array. The ok button when clicked flushes this to the database via a webservice. This works fine except when the onchange event is caused by clicking the ok button. In this scenario the onchange of the textboxes still fires but the onClick event of the button does not. Any ideas? textboxes look something like <input name="ctrlJPView$tbcTabContainer$Details$JP_Details_Address2Text" type="text" value="test" id="ctrlJPView_tbcTabContainer_Details_JP_Details_Address2Text" onchange="addSaveDetails('Jobs###' + document.getElementById('ctrlJPView_tbcTabContainer_Details_JP_Details_Address2Text').value + ');" style="font-size:8pt;Left:110px;Top:29px;Width:420px;Height:13px;Position:absolute;" /> My save button <input type="button" name="ctrlJPView$btnOk" value="OK" onclick="saveAmendments();refreshJobGrids();return false;__doPostBack('ctrlJPView$btnOk','')" id="ctrlJPView_btnOk" class="ControlText" style="width:60px;" /> UPDATE: I guess this comes down to one of two things. 1) Something is happening before the onClick of the button gets called to surpress that call such as an inadvertent return false; or 2) the onClick event isn't firing at all. Now I've rem'd out everything actually inside the functions that are being called beforehand but the problem persists. But if i remove the call altogether it works (???)

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  • OpenGL depth buffer on Android

    - by kayahr
    I'm currently learning OpenGL ES programming on Android (2.1). I started with the obligatory rotating cube. It's rotating fine but I can't get the depth buffer to work. The polygons are always displayed in the order the GL commands render them. I do this during initialization of GL: gl.glClearColor(.5f, .5f, .5f, 1); gl.glShadeModel(GL10.GL_SMOOTH); gl.glClearDepthf(1f); gl.glEnable(GL10.GL_DEPTH_TEST); gl.glDepthFunc(GL10.GL_LEQUAL); gl.glHint(GL10.GL_PERSPECTIVE_CORRECTION_HINT, GL10.GL_NICEST); On surface-change I do this: gl.glViewport(0, 0, width, height); gl.glMatrixMode(GL10.GL_PROJECTION); gl.glLoadIdentity(); GLU.gluPerspective(gl, 45.0f, (float) width / (float) height, 0.1f, 100f); When I enable backface culling then everything looks correct. But backface culling is only a speed-optimization so it should also work with only the depth buffer or not? So what is missing here?

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  • Show image with link based on first directory with Javascript

    - by Nestorete
    Hi, i need some help please, i want to show an image on my Page depending of the first directory of the URL. Example: In Any of this URLs will show the image1.jpg www.mysite.com/audio/amplifiers/400wats.html www.mysite.com/audio/ www.mysite.com/audio/amplifiers/ In any of this others will show the image2.jpg www.mysite.com/video/spots/40wats.html www.mysite.com/video/amplifiers/400wats.html www.mysite.com/video/lighting/laser.html www.mysite.com/video/laser/ At the moment i can show the image only if the url is only the first directory, bu no in the internal directory or documents. This is the script that i'm using right now: <script type="text/javascript"> switch (location.pathname) { case "/audio/": document.write("From Web<BR>") break case "/video/": document.write('<A HREF="slides.htm" target="_blank"><IMG SRC="/adman/banners/joinvip.gif" WIDTH=728 HEIGHT=90 BORDER=0></A>') break default: document.write('<A HREF="http://www.apple.com" target="_blank"><IMG SRC="http://www.amd.com/us-en/assets/content_type/DownloadableAssets/NEW_PIB_728x90.gif" WIDTH=728 HEIGHT=90 BORDER=0></A>') break } </script> Thank you

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  • Show image with link based on first directory with Javascript

    - by Nestorete
    Hi, i need some help please, i want to show an image on my Page depending of the first directory of the URL. Example: In Any of this URLs will show the image1.jpg www.mysite.com/audio/amplifiers/400wats.html www.mysite.com/audio/ www.mysite.com/audio/amplifiers/ In any of this others will show the image2.jpg www.mysite.com/video/spots/40wats.html www.mysite.com/video/amplifiers/400wats.html www.mysite.com/video/lighting/laser.html www.mysite.com/video/laser/ At the moment i can show the image only if the url is only the first directory, bu no in the internal directory or documents. This is the script that i'm using right now: <script type="text/javascript"> switch (location.pathname) { case "/audio/": document.write("From Web<BR>") break case "/video/": document.write('<A HREF="slides.htm" target="_blank"><IMG SRC="/adman/banners/joinvip.gif" WIDTH=728 HEIGHT=90 BORDER=0></A>') break default: document.write('<A HREF="http://www.apple.com" target="_blank"><IMG SRC="http://www.amd.com/us-en/assets/content_type/DownloadableAssets/NEW_PIB_728x90.gif" WIDTH=728 HEIGHT=90 BORDER=0></A>') break } </script> Thank you

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  • does actionscript addChild require a display object first

    - by touB
    I'm trying to move away from mxml to actionsctipt. I have a <s:Rect> that I've created and set its properties, but having trouble adding it. var aRect:Rect = new Rect(); //set properties like aRect.x, aRect.y, aRect.width, aRect.height //tried adding it various ways addChild(aRect); Application.addChild(aRect); Application.application.addChild(aRect); stage.addChild(aRect); But I keep getting the error 1067: Implicit coercion of a value of type spark.primitives:Rect to an unrelated type flash.display:DisplayObject Originally in the mxml, it was right inside <s:Application> not nested inside anything <s:Application> <s:Rect id="aRect" x="10" y="10" width="15%" height="15%"> //then fill code here, removed for readability </s:Rect> </s:Application> What's the deal, I thought actionscript would be nicer than mxml.

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  • CSS: Margin-top when parent's got no border

    - by Manny
    Hi, As you can see in this picture, I've got an orange div inside a green div with no top border. The orange div has a 30px top margin, but it's also pushing the green div down. Of course, adding a top border will fix the issue, but I need the green div to be top borderless. What could I do? html: <div class="header">Top</div> <div class="body"> <div class="container">Box</div> </div> <div class="foot">Bottom</div> css: .body { border: 1px solid black; border-top: none; border-bottom: none; width: 120px; height: 112px; background-color: lightgreen; } .body .container { background-color: orange; height: 50px; width: 50%; margin-top: 30px; } Thanks

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  • Why is graphviz drawing two arrows, and using a weird order?

    - by dmd
    Why is graphviz drawing two arrows from uncap_spike to peel, and why is it drawing peel to the right of hang? I want uncap_spike - peel - hang - spike, in that order, with one edge between each. digraph hangers { compound=true fontname="Gill Sans" node [fontname="Gill Sans" shape=box fillcolor=white style="rounded, filled"] edge [fontname="Gill Sans"] subgraph cluster_prep { style="filled" label=Prep gather [shape=Mrecord label="{gather | EtOH swab\nvented tubing}"] uncap_bottle [label="uncap bottle"] uncap_spike [label="uncap spike"] swab [shape=Mrecord label="{swab EtOH | wait 30 seconds for sterility}"] gather -> uncap_bottle -> swab -> uncap_spike {rank=same gather uncap_bottle swab uncap_spike} } subgraph cluster_hang { style=filled label=Hang {rank=same peel hang} } {rank=same uncap_spike -> peel -> hang -> spike -> prime} hang -> rip [color=firebrick] rip [label="eyelet\nripped" style="filled" shape=octagon regular fontcolor=white fontsize=10 width=.5 fixedsize color=firebrick fillcolor=firebrick ] swab -> not_sterile [color=firebrick] not_sterile [label="not\nsterile" style="filled" shape=octagon regular fontcolor=white fontsize=10 width=.5 fixedsize color=firebrick fillcolor=firebrick ] }

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  • Changing CSS height property removes anchors?

    - by JMan
    I am working on a standard header/navigation for my website. I started with having a CSS "height" value of 100% for the html, body elements but this resulted in the wrong layout. However, when I change the CSS height property from "100%" to "auto", the layout is correct, but I lose the anchors in the navigation. Why is this? Here's my CSS: html,body { height: auto; /* This is the only property that I'm toggling */ margin: 0; } body { margin: 0; min-width: 978px; font: 12px/16px Arial, Helvetica, sans-serif; color: #000; background: #000001 url('../images/bg-body.jpg') no-repeat 50% 0; } #nav { position: relative; float: left; margin: 0; padding: 0 2px 0 271px; list-style: none; background: url('../images/sep-nav.gif') no-repeat 100% 0; } #nav li { float: left; padding: 11px 0 0 2px; height: 35px; width: 128px; line-height: 22px; font-size: 18px; text-align: center; background: url('../images/sep-nav.gif') no-repeat 0 -1px; display: inline; } #nav li a {color: #FFFEFE;} ..... I compared the computed CSS in Firebug when the html, body height property was set to "auto" vs. "100%" and they were the same. Can somebody please shed some light on how retain the anchors in the navigation while setting height to "auto"? Thanks for your help.

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  • Javascript: Multiple mouseout events triggered

    - by Channel72
    I'm aware of the different event models in Javascript (the WC3 model versus the Microsoft model), as well as the difference between bubbling and capturing. However, after a few hours reading various articles about this issue, I'm still unsure how to properly code the following seemingly simple behavior: If I have an outer div and an inner div element, I want a single mouse-out event to be triggered when the mouse leaves the outer-div. When the mouse crosses from the inner-div to the outer-div, nothing should happen, and when the mouse crosses from the outer-div to the inner-div nothing should happen. The event should only fire if the mouse moves from the outer-div to the surrounding page. <div id="outer" style = "width:20em; height:20em; border:1px solid #F00" align = "center" onmouseout="alert('mouseout event!')" > <div id="inner" style = "width:18em; height:18em; border:1px solid #000"></div> </div> Now, if I place the "mouseout" event on the outer-div, two mouse-out events are fired when the mouse moves from the inner-div to the surrounding page, because the event fires once when the mouse moves from inner to outer, and then again when it moves from outer to the surrounding page. I know I can cancel the event using ev.stopPropagation(), so I tried registering an event handler with the inner-div to cancel the event propagation. However, this won't prevent the event from firing when the mouse moves from the outer-div to the inner-div. So, unless I'm overlooking something, it seems to me this behavior can't be accomplished without complex mouse-tracking functions. In the future, I plan to reimplement a lot of this code using a more advanced framework, like JQuery, but for now, I'm wondering if there is a simple way to implement the above behavior in regular Javascript.

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  • Firefox 3.6 and CSS difference from previous versions of Firefox 3.5 and back?

    - by American Yak
    So, in upgrading to Firefox 3.6, the CSS broke on input boxes. The padding has increased -- it might also be the font-size is somehow behaving different. Wondering if anyone else has seen this problem yet. Can't quite figure it out. HTML CODE: <form> <fieldset> <label for="inputField">Label</label> <input type="text" id="inputField" /> </fieldset> </form> CSS CODE: form fieldset label { display:block; font-size:1.2em; font-weight:bold; padding:12px 9px; } #jumptoBox fieldset input { background: url("../images/input.png") no-repeat scroll left top transparent; font-size: 1.2em; padding: 4px 5px 16px; width: 99px; height: 29px; } (Image dimensions: 109 width x 34 height) So one thing to note, the fix (as outlined below) includes removing the height, or at least setting it to auto, and then compensating for it by using padding (a fix that bothers me on many levels, but we'll set that aside for now). BUT webkit seems to have its own problems with this now, since it wants to center the text vertically (ignoring any evidence of line-height) according to the height of everything. In other words, if you want the text vertically closer to the top, I haven't been able to figure out a way to do that. Ideas?

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  • Using PHP to display button with hyperlink or greyed out button if no URL in database

    - by Diane
    I've got a webpage that I'm working on where you click on a letter or category and it displays records matching that query from a database. One of the things I want to display is a hyperlinked button that says "Website" if the database record contains a URL in the 'URL' field, and if there is no value in that field, it will display a greyed out version of that button. I tried using an if...else statement, but was absolutely unable to get the syntax correct trying to get php to call up the 'URL' value in the middle of an "echo " So here's what I did: <?php if($row_rsmemalpha['URL'] != NULL) ?><a href="http://<?php echo ($row_rsmemalpha['URL']);?>"><target ="_blank"><img src="web_button_on.gif" alt="Website" border="0" height="18" width="103" /></target></a> <?php if($row_rsmemalpha['URL'] == NULL) echo "<img src=\"web_button_off.gif\" alt=\"No Website Available\" height=\"18\" width=\"103\" />"; ?> If there is a URL available it shows the button properly. But if there isn't a URL in the database it shows both buttons. I have spent a few days studying examples and tutorials on the web, but haven't found too much that helps. The buttons were completely non-functional when I started, so I'm pretty proud of getting this far with it! I've just run out of time and patience for more trial-and-error experimenting. Any help is appreciated... Diane

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  • Horizontally and Vertically Center Modal Div IE Issue

    - by aherrick
    I'm trying to horizontally and vertically center a modal window inside a div. I want it to be cross browser compatible. You can see from the picture below that when I resize IE8 then click, "show modal" button it displays not exactly horizontally centered. This does not seem to be an issue with Chrome. Any thoughts? How would you guys accomplish this? <html> <head> <title>test</title> <style type="text/css"> * { margin: 0px; padding: 0px; } </style> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script type="text/javascript"> $(function() { $('#modal').click(function() { // overlay $('<div id="overlay" />').css({ position: 'absolute', top: 0, left: 0, width: '100%', height: '100%', backgroundColor: 'black', opacity: 0 }).appendTo('body'); $('<div id="datamodal" />').css({ backgroundColor: '#FFFFFF', border: '10px solid #999', height: '200px', width: '600px', position: 'absolute', top: '50%', left: '50%', marginTop: '-120px', marginLeft: '-320px', color: '#111111', fontWeight: 'bold', padding: '10px', display: 'none' }).append('<input type="text" />').appendTo('#overlay'); $('#overlay').fadeTo(300, 0.7); $('#datamodal').fadeIn(300); }); }); </script> </head> <body> <input id="modal" type="button" value="show modal" /> </body> </html>

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  • MVVM Light - master / child views and dependency properties

    - by Carl Dickinson
    I'm getting an odd problem when implementing a master / child view and custom dependency properties. Within my master view I'm binding the view model declaratively in the XAML as follows: DataContext="{Binding MainViewModelProperty, Source={StaticResource Locator}}" and my MainViewModel is exposing an observable collection which I'm binding to an ItemsControl as follows: <ItemsControl ItemsSource="{Binding Lists}" Height="490" Canvas.Top="10" Width="70"> <ItemsControl.ItemTemplate> <DataTemplate> <Canvas> <local:TaskListControl Canvas.Left="{Binding ListLeft}" Canvas.Top="{Binding ListTop}" Width="{Binding ListWidth}" Height="{Binding ListHeight}" ListDetails="{Binding}"/> </Canvas> </DataTemplate> </ItemsControl.ItemTemplate> </ItemsControl> TaskListControl in turn declares and bind to it's ViewModel and I've also defined a dependency property for the ListDetails property. The ListDetails property is not being set and if I remove the declarative reference to it's viewmodel the dependency property's callback does get fired. Is there a conflict with declaratively binding to viewmodels and definig dependency properties? I really like MVVM Light's blendability and want to perserve with this problem so any help would be apprectiated. If you'd like to receive the source for my project then please ask

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  • Display a input type=file over another input type=file

    - by Kevin Sedgley
    WARNING: Lengthy description coming up! I have written an uploader based upon APC progress uploader for PHP. This works fine and dandy, but the script as a whole (apc etc) is intended to be used only for those with Javascript. To achieve this, I have searched for any input type=file, and replaced these with an absolutely positioned form that appears over the original area where the old file input area was. The reasons for this are so the new uploader can submit to a hidden in page IFrame has to be in a seperate <form> in order to submit to the APC reciever to display the progress upload bar. allows it to be used within any form with an input type=file throughout the site I have used JQuery to do this, with the following code: Original HTML form code: <div><input type="file" name="media" id="media" /></div> Find position of div block code: // get the parent div, and properties thereof parentDiv = $(this).closest('div'); w = $(parentDiv).width(); h = $(parentDiv).height(); loc = $(parentDiv).offset(); Locate new block over old block: $('#_sender').appendTo('body').css({left:loc.left,top:loc.top,position:'absolute',zIndex:400,height:h,width:w}).show(); This works fine, and shows over the old block OK. The problem: When other elements in the DOM before or above it change (in this case a "tree view" selector is pushing the old block down) the new upload form gets moved over other elements. Is there a JQuery (or JS) method for changing this upon DOM change? Some kind of .onchange for the page?! Or an .onmove for the original block? Thanks in advance you lovely people Before DOM change: . After: .

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  • How can I get the data from an ajax request to appear inside a div?

    - by Aaron Brokmeier
    I am unable to get the data from my ajax request to appear inside <div class="l_p_i_c_w"></div>. What am I doing wrong? I know the function inside my_file.php works, because if I refresh the page, then the data shows up where it should. jQuery: $.ajax({ type: "POST", url: "my_file.php", dataType: 'html', success: function(data){ $('div#myID div.l_p_c div.l_p_i_c_w').prepend(data); } }); HTML: <div class="l_p_w" id="myID"> <div class="l_p_c"> <div class="l_p_i_c_w"> <!-- stuff, or may be empty. This is where I want my ajax data placed. --> </div> </div> </div> CSS: .l_p_w { width:740px; min-height:250px; margin:0 auto; position:relative; margin-bottom:10px; } .l_p_c { position:absolute; bottom:10px; right:10px; width:370px; top:60px; } .l_p_i_c_w { position:absolute; left:5px; top:5px; bottom:5px; right:5px; overflow-x:hidden; overflow-y:auto; }

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  • correcting fisheye distortion programmatically

    - by Will
    I have some points that describe positions in a picture taken with a fisheye lens. I've found this description of how to generate a fisheye effect, but not how to reverse it. How do you calculate the radial distance from the centre to go from fisheye to rectilinear? My function stub looks like this: Point correct_fisheye(const Point& p,const Size& img) { // to polar const Point centre = {img.width/2,img.height/2}; const Point rel = {p.x-centre.x,p.y-centre.y}; const double theta = atan2(rel.y,rel.x); double R = sqrt((rel.x*rel.x)+(rel.y*rel.y)); // fisheye undistortion in here please //... change R ... // back to rectangular const Point ret = Point(centre.x+R*cos(theta),centre.y+R*sin(theta)); fprintf(stderr,"(%d,%d) in (%d,%d) = %f,%f = (%d,%d)\n",p.x,p.y,img.width,img.height,theta,R,ret.x,ret.y); return ret; } Alternatively, I could somehow convert the image from fisheye to rectilinear before finding the points, but I'm completely befuddled by the OpenCV documentation. Is there a straightforward way to do it in OpenCV, and does it perform well enough to do it to a live video feed?

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  • Java 2D Resize

    - by jon077
    I have some old Java 2D code I want to reuse, but was wondering, is this the best way to get the highest quality images? public static BufferedImage getScaled(BufferedImage imgSrc, Dimension dim) { // This code ensures that all the pixels in the image are loaded. Image scaled = imgSrc.getScaledInstance( dim.width, dim.height, Image.SCALE_SMOOTH); // This code ensures that all the pixels in the image are loaded. Image temp = new ImageIcon(scaled).getImage(); // Create the buffered image. BufferedImage bufferedImage = new BufferedImage(temp.getWidth(null), temp.getHeight(null), BufferedImage.TYPE_INT_RGB); // Copy image to buffered image. Graphics g = bufferedImage.createGraphics(); // Clear background and paint the image. g.setColor(Color.white); g.fillRect(0, 0, temp.getWidth(null),temp.getHeight(null)); g.drawImage(temp, 0, 0, null); g.dispose(); // j2d's image scaling quality is rather poor, especially when // scaling down an image to a much smaller size. We'll post filter // our images using a trick found at // http://blogs.cocoondev.org/mpo/archives/003584.html // to increase the perceived quality.... float origArea = imgSrc.getWidth() * imgSrc.getHeight(); float newArea = dim.width * dim.height; if (newArea <= (origArea / 2.)) { bufferedImage = blurImg(bufferedImage); } return bufferedImage; } public static BufferedImage blurImg(BufferedImage src) { // soften factor - increase to increase blur strength float softenFactor = 0.010f; // convolution kernel (blur) float[] softenArray = { 0, softenFactor, 0, softenFactor, 1-(softenFactor*4), softenFactor, 0, softenFactor, 0}; Kernel kernel = new Kernel(3, 3, softenArray); ConvolveOp cOp = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null); return cOp.filter(src, null); }

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  • Looping HTML5 audio on the iPhone

    - by Peeps
    I'm trying to make a HTML5 webapp that simply plays a sound over and over and over again, on my iPhone. I don't know any Obj-C to do it natively. What I have works fine, but the sound only plays once: <!DOCTYPE html> <html> <head> <title>noisemaker!</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <meta name="viewport" content="maximum-scale=1, minimum-scale=1, width=device-width, user-scalable=no" /> <meta name="apple-mobile-web-app-capable" content="yes" /> </head> <body> <audio src="noise.mp3" autoplay controls loop></audio> </body> </html> Is there a way to either bypass the QuickTime audio screen and loop it in the webpage, or get the QuickTime audio screen to loop the sound?

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