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  • Trying to access a specific option value to generate a popup window

    - by Isaac
    I am trying to use a click event to generate a popup window based off of the specific value chosen. I am having trouble with the if statement and trying to access each specific option value. Can any of you give me some hints? <select id="offices"> <option value="Choose an Office">Choose an Office</option> <option value="Residential Education (ResEd)" >Residential Education (ResEd)</option> <option value="Dean of Students">Dean of Students</option> <option value="Office of Student Affairs">Office of Student Affairs</option> <option value="Vice-Provost of Student Affairs">Vice-Provost of Student Affairs</option> </select> </div> function display(){ var officearray = [{ Office: "Residential Education (ResEd)", ID: "725-2800", Description: "The Office of Residential Education is responsible for developing the policies, programs, and staffing which support the intellectual, educational, and community-building activities in student residences. Second Floor. " }, { Office: "Dean of Students", ID: "723-7833", Description: "The Dean of Students office is composed of 13 individual administrative units that are concerned with the general welfare of both undergraduate and graduate students, in and out of the classroom. Second floor." }, { Office: "Office of Student Activities (OSA)", ID: "723-2733", Description: "Services for student organizations, student-initiated major events and programs, and fraternities and sororities. Second floor." }, { Office: "Vice-Provost of Student Affairs", ID: "725-0911", Description: "The Vice Provost for Student Affairs is responsible to the Provost for providing services and programs to undergraduate and graduate students in support of the academic mission of the University. Second floor." }] for(var i = 0; i < officearray.length; i++) { var o = document.getElementById("offices") var oString = o.options[o.selectedIndex].value; newwindow2 = window.open('', 'name', 'height=200, width=150') var tmp = newwindow2.document if (oString == officearray[i].Office) { tmp.writeln(officearray[i].Description) } } } document.getElementsByTagName('option').addEventListener("click",display,false)

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  • Jquery Autocomplete plugin with Django (Trey Piepmeier solution)

    - by Sally
    So, I'm basing my code on Trey's solution on: http://solutions.treypiepmeier.com/2009/12/10/using-jquery-autocomplete-with-django/ The script is: <script> $(function() { $('#id_members').autocomplete('{{ object.get_absolute_url }}members/lookup', { dataType: 'json', width: 200, parse: function(data) { return $.map(data, function(row) { return { data:row, value:row[1], result:row[0] }; }); } }).result( function(e, data, value) { $("#id_members_pk").val(value); } ); } ); </script> The views.py: def members_lookup(request, pid): results = [] if request.method == "GET": if request.GET.has_key(u'q'): value = request.GET[u'q'] # Ignore queries shorter than length 1 if len(value) > 2: model_results = Member.objects.filter( Q(user__first_name__icontains=value) | Q(user__last_name__icontains=value) ) results = [ (x.user.get_full_name(), x.id) for x in model_results ] json = simplejson.dumps(results) print json return HttpResponse(json, mimetype='application/json') The problem is: It stops refining the search results after the initial lookup. For example: If I set len(value) 2, after I type the 3rd character it will give me a list of suggestions. But if I keep on typing the 4th or 5th character, the list of suggestions doesn't change. Any suggestions on why this is?

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  • AStar in a specific case in C#

    - by KiTe
    Hello. To an intership, I have use the A* algorithm in the following case : the unit shape is a square of height and width of 1, we can travel from a zone represented by a rectangle from another, but we can't travel outside these predifined areas, we can go from a rectangle to another through a door, represented by a segment on corresponding square edge. Here are the 2 things I already did but which didn't satisfied my boss : 1 : I created the following classes : -a Door class which contains the location of the 2 separated squares and the door's orientation (top, left, bottom, right), -a Map class which contains a door list, a rectangle list representing the walkable areas and a 2D array representing the ground's squares (for additionnal infomations through an enumeration) - classes for the A* algorithm (node, AStar) 2 : -a MapCase class, which contains information about the case effect and doors through an enumeration (with [FLAGS] attribute set on, to be able to cummulate several information on each case) -a Map classes which only contains a 2D array of MapCase classes - the classes for the A* algorithm (still node an AStar). Since the 2 version is better than the first (less useless calculation, better map classes architecture), my boss is not still satisfied about my mapping classes architecture. The A* and node classes are good and easily mainainable, so I don't think I have to explain them deeper for now. So here is my asking : has somebody a good idea to implement the A* with the problem specification (rectangle walkable but with a square unit area, travelling through doors)? He said that a grid vision of the problem (so a 2D array) shouldn't be the correct way to solve the problem. I wish I've been clear while exposing my problem .. Thanks KiTe

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  • ActionView::TemplateError (integer 23656121084180 too big to convert to `unsigned int')

    - by jaycode
    Hi, this is the weirdest error I've ever got on Rails. Any idea what this may be is? NOTE: the error DOES NOT come from @order.get_invoice_number, I've tried to separate the code into multiple lines and it was clear the problem is within {:host... } ActionView::TemplateError (integer 23656121084180 too big to convert to `unsigned int') on line #56 of app/views/order_mailer/order_detail.text.html.erb: 53: <b>Order #:</b> 54: </td> 55: <td width="98%"> 56: <%= link_to "#{@order.get_invoice_number}", {:host => Thread.current[:host], :controller => 'store/account', :action => 'view_order', id => "#{@order.id}"}, {:target => '_blank'} %> 57: </td> 58: </tr> 59: <tr> app/views/order_mailer/order_detail.text.html.erb:56 app/controllers/store/ test_controller.rb:11:in `order_email'

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  • Programmatically Add Controls to WPF Form

    - by user210757
    I am trying to add controls to a UserControl dynamically (programatically). I get a generic List of objects from my Business Layer (retrieved from the database), and for each object, I want to add a Label, and a TextBox to the WPF UserControl and set the Position and widths to make look nice, and hopefully take advantage of the WPF Validation capabilities. This is something that would be easy in Windows Forms programming but I'm new to WPF. How do I do this (see comments for questions) Say this is my object: public class Field { public string Name { get; set; } public int Length { get; set; } public bool Required { get; set; } } Then in my WPF UserControl, I'm trying to create a Label and TextBox for each object: public void createControls() { List<Field> fields = businessObj.getFields(); Label label = null; TextBox textbox = null; foreach (Field field in fields) { label = new TextBox(); // HOW TO set text, x and y (margin), width, validation based upon object? // i have tried this without luck: // Binding b = new Binding("Name"); // BindingOperations.SetBinding(label, Label.ContentProperty, b); MyGrid.Children.Add(label); textbox = new TextBox(); // ??? MyGrid.Children.Add(textbox); } // databind? this.DataContext = fields; }

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  • ClassCaseException on GL11ExtensionPack. Rendering to texture on OpenGL android

    - by Joe
    I'm trying to render to a texture (really thought it would be easier than this!) I found this resource: which seems to be exactly what I want I'm getting a ClassCastException however, on GL11ExtensionPack gl11ep = (GL11ExtensionPack) gl; Can anyone tell me why? public void renderToTexture(GLRenderer glRenderer, GL10 gl) { boolean checkIfContextSupportsExtension = checkIfContextSupportsExtension(gl, "GL_OES_framebuffer_object"); if(checkIfContextSupportsExtension) { GL11ExtensionPack gl11ep = (GL11ExtensionPack) gl; int mFrameBuffer = createFrameBuffer(gl,texture.getWidth(), texture.getHeight(), texture.getGLID()); gl11ep.glBindFramebufferOES(GL11ExtensionPack.GL_FRAMEBUFFER_OES, mFrameBuffer); gl.glViewport(0, 0,texture.getWidth(), texture.getHeight()); gl.glLoadIdentity(); int halfWidth = texture.getWidth()/2;//width/2; int halfHeight = texture.getHeight()/2;//height/2; GLU.gluOrtho2D(gl, -halfWidth, halfWidth , -halfHeight, halfHeight); gl.glMatrixMode(GL10.GL_MODELVIEW); gl.glLoadIdentity(); gl.glEnable(GL10.GL_TEXTURE_2D); Quad quad = new Quad(texture.getWidth(), texture.getHeight()); quad.setTexture(texture); SpriteRenderable sr = new SpriteRenderable(quad); //sr.setPosition(new Interpolation<Vector2>(new Vector2(-(float)texture.getWidth()/2f,-(float)texture.getHeight()/2f))); //sr.setPosition(new Interpolation<Vector2>(new Vector2((float)(texture.getWidth()/2f),0))); //sr.setPosition(new Interpolation<Vector2>(new Vector2(200,-200))); sr.setAngle(0.05f); sr.renderTo(glRenderer, gl, 1); for (Renderable renderable : renderThese) { if (renderable.isVisible()) { renderable.renderTo(glRenderer, gl, 1); } } gl11ep.glBindFramebufferOES(GL11ExtensionPack.GL_FRAMEBUFFER_OES, 0); } }

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  • Get the parent id..

    - by tixrus
    I have a bunch of elements like the following: <div class="droppableP" id="s-NSW" style="width:78px; height:63px; position: absolute; top: 223px; left: 532px;"> </div> They all have class droppableP but different id's obviously and I would like to factor the code in this script I am hacking on. The original script just has a specific selector for each of one of these divs, but the code is all alike except for the id it does things to, which is either the id of the parent or another div with a name that's related to it. Here is the original code specifically for this div: $("#s-NSW > .sensible").droppable( { accept : "#i-NSW", tolerance : 'intersect', activeClass : 'droppable-active', hoverClass : 'droppable-hover', drop : function() { $('#s-NSW').addClass('s-NSW'); $('#s-NSW').addClass('encastrada'); //can't move any more.. $('#i-NSW').remove(); $('#s-NSW').animate( { opacity: 0.25 },200, 'linear'); checkWin(); } }); Here is how I would like to factor so the same code can do all of them and I will eventually do chaining as well and maybe get rid of the inline styles but here is my first go: $(".droppableP > .sensible").droppable( { accept : "#i" + $(this).parent().attr('id').substring(2), tolerance : 'intersect', activeClass : 'droppable-active', hoverClass : 'droppable-hover', drop : function() { $(this).parent().addClass($(this).parent().attr('id')); $(this).parent().addClass('encastrada'); $("#i" + ($this).parent().attr('id').substring(2)).remove(); $(this).parent().animate( { opacity: 0.25 },200, 'linear'); checkWin(); } }); The error I get is $(this).parent().attr("id") is undefined Many thanks. I have browsed related questions the one I understand that's closest to mine, turns out they didn't need parent function at all. I'm kind of a noob so please don't yell at me too hard if this is a stupid question.

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  • Flex: FileReference and Image unhandled IOErrorEvent

    - by deux11
    The following code shows a button that allows you to select a file (should be an image) and display it into an image component. When I select an invalid image (e.g. a word document), I get the following error: "Error #2044: Unhandled IOErrorEvent:. text=Error #2124: Loaded file is an unknown type." I know I can pass a FileFilter to the FileReference:browse call, but that's beyond the point. My question is... I want to handle the IOErrorEvent myself, what event listener am I missing? private var file:FileReference = new FileReference(); private function onBrowse():void { file.browse(null); file.addEventListener(Event.SELECT, handleFileSelect); file.addEventListener(Event.COMPLETE, handleFileComplete); } private function handleFileSelect(event:Event):void { file.load(); } private function handleFileComplete(event:Event):void { myImage.source = file.data; } private function handleImageIoError(evt:IOErrorEvent):void { Alert.show("IOErrorEvent"); } <mx:Button click="onBrowse()" label="Browse"/> <mx:Image id="myImage" width="100" height="100" ioError="handleImageIoError(event)"/>

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  • jQuery dialog breaking after closing - I'm using dialog destroy

    - by pedalpete
    I've got a few demo videos I've been making as tutorials, and I'm using a link to open a dialog box and put the demo video in that box. I use the same div to show other notes on the page when a user selects to view a complete note. The code I use to show the notes is jQuery('span.Notes').live('click', function(){ var note=jQuery(this).data('note'); jQuery('div#showNote').text(note); jQuery('div#showNote').append(''); jQuery('div#showNote').dialog({ modal: true, close: function(){ jQuery('div#showNote').dialog('destroy').empty(); } }); }); The code I use for the demo videos is VERY similar. jQuery('a.demoVid').click(function(){ var videoUrl=jQuery(this).attr('href'); jQuery('div#showNote').dialog({ modal: true, height: 400, width: 480, close: function(){ jQuery('div#showNote').dialog('destroy').empty(); } }); swfobject.embedSWF(videoUrl,'showNote','480','390','8.0.0'); return false; }); I can click on as many notes as I want, and the dialog opens up and shows the note. However, when I click the demoVid, the dialog opens, but then closing the dialog kills any other 'showNote' dialogs on the page, so I can't open any more notes, or demo videos.

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  • Flex: View Stack Navigator

    - by Deena
    Hi, I have a component mxml file in which i have a view stack, on click of a button i navigate to the first child, now i need to navigate to the second child during onclick of a button present in the second child. All the childs are component files included within the view stack. How could this be done, Sample code is present below, --------------------Application.mxml--------------------- <mx:Canvas xmlns:mx="http://www.adobe.com/2006/mxml" > <mx:Script> <![CDATA[ private function loadScreen():void { navigationViewStack.selectedChild=id_offering; } ]]> </mx:Script> <mx:Button label="Save" click="loadScreen();"/> </mx:Canvas> <mx:ViewStack id="navigationViewStack" width="100%" height="100%"> <components:dashboard id="id_dashboard" label="Dashboard" /> <components:offering id="id_offering" label="Offering" /> <components:IssueSec id="id_issueSec" label = "Issues"/> </mx:ViewStack> -------------------------Ends-------------------------------------- Now in my offering.mxml file if i try to access navigationViewStack i am getting an error stating 'Access of undefined property navigationViewStack. Help me on how to access the view stack from my component mxml file. Thanks! Cheers, Deena

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  • CSS absolute DIV causing other absolute DIV problems

    - by Tim
    Hello, I have implemented a chat script which requires an absolutely positioned DIV to be wrapped around the pages content. This is to ensure the chat windows stay at the bottom. The problem is that because of the absolute positioning of this main wrapper, all other absolutely positioned elements (eg. Jquery Auto-completes, datepicker's etc) now scroll up and down with the page. Here is an example of the HTML: <body> <div id="main_container"> <div id="content">Elements like Jquery Autocompletes, Datepickers with absolute positioned elements in here</div> </div> The DIV "main_container" style looks like this: #main_container { width:100%; background-color:#ffffff; /* DO NOT REMOVE THIS; or you'll have issue w/ the scrollbar, when the mouse pointer is on a white space */ overflow-x: hidden; overflow-y: scroll; height:100%; /* this will make sure that the height will extend at the bottom */ position:absolute; /* container div must be absolute, for our fixed bar to work */ } I hope there is a simple fix as the chat script is too good to get rid of. Thanks, Tim

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  • What is the correct way to create dynamic javascript in ASP.net MVC2?

    - by sabbour
    I'm creating a Google Maps partial view/user control in my project that is passed a strongly typed list of objects containing latitude and longitude values. Currently, this is the code I have for the partial: <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<IEnumerable<Project.Models.Entities.Location>>" %> <!-- Place for google to put the map --> <div id="report_map_canvas" style="width: 100%; height: 728px; margin-bottom: 2px;"> </div> <script type='text/javascript'> google.load("maps", "2"); $(document).ready(initializeMap); function initializeMap() { if (GBrowserIsCompatible()) { var map = new GMap2(document.getElementById('report_map_canvas')); map.setCenter(new GLatLng(51.5, -0.1167), 2); <% foreach (var item in Model) { %> map.addOverlay(new GMarker(new GLatLng('<%= Html.Encode(item.latitude)%>','<%= Html.Encode(item.longitude)%>'),{ title: '<%= Html.Encode(String.Format("{0:F}",item.speed)) %> km/h '})); <% } %> map.setUIToDefault(); } } </script> Is it right to dynamically create the javascript file this way by looping over the list and emitting javascript? Is there a better way to do it?

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  • Change specificity by child

    - by jim red
    hi I'd like to integrate a theme tag to my elements so they appear in diffrent colours. But since the css selectors have the same css specificity the latest overrides the earlier defined rule. this is an example that shows my problem: .... <div class="red"> <div class="box">This should be red</div> <div class="yellow"> ... <div class="box">This should be yellow (nested in x levels under the div.yellow)</div> ... </div> .... and here my css .box { width: 100px; height: 100px; } .yellow { background-color: yellow; } .red { background-color: red; } the box should be listed somewhere, but as soon as it is a sub child of another color definition it should been overwritten. thanks for any help! //jim

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  • Custom Repeater with hiractial Databinding

    - by Dooie
    Im using a Custom NestedRepeater Control for ASP.NET which can be found on code project The source is in c# which i have converted to vb and plugged into my solution, so far so good. The problem, im having is databinding to the repeater, my code behind looks like this... '' get all pages Dim navPages As DataSet = Navigation.getMenuStructure() navPages.Relations.Add(navPages.Tables(0).Columns("ID"), navPages.Tables(0).Columns("ParentID")) NestedRepeaterNavigation.RelationName = RelationName NestedRepeaterNavigation.DataSource = navPages NestedRepeaterNavigation.RowFilterTop = "ParentID is null" NestedRepeaterNavigation.DataBind() Then in the item template of my custom repeater im trying the following... <ItemTemplate> <img src="/pix.gif" height="10" width="<%#(Container.Depth * 10)%>"> <%# (Container.DataItem as DataRow)["DESCRIPTION"]%> <%# (Container.NbChildren != 0 ? "<small><i>(" + Container.NbChildren.ToString() +")</i></small>" "") %><small><i></i></small> </ItemTemplate> The databinding falls over; firstly that 'as DataRow' says it was expecting an ')'. And secondly that '!=' identifier expected. Is this due to the translation from c#, should the databinding be different?

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  • Overlay only draws between first 2 points in Android

    - by LordSnoutimus
    Hi, I am experiencing an unusual error using ItemizedOverlay in Android. I am creating a GPS tracking device that plots a route between waypoints stored in a database. When I provide the first two sets of longitude and latitude points through the emulator in Eclipse, it draws a red line just how I want it, but if I send another GPS point, it animates to the point, but does not draw a line from the last point. public class MyOverlay extends ItemizedOverlay { // private Projection projection; private Paint linePaint; private Vector points; public MyOverlay(Drawable defaultMarker) { super(defaultMarker); points = new Vector<GeoPoint>(); //set colour, stroke width etc. linePaint = new Paint(); linePaint.setARGB(255, 255, 0, 0); linePaint.setStrokeWidth(3); linePaint.setDither(true); linePaint.setStyle(Style.FILL); linePaint.setAntiAlias(true); linePaint.setStrokeJoin(Paint.Join.ROUND); linePaint.setStrokeCap(Paint.Cap.ROUND); } public void addPoint(GeoPoint point) { points.addElement(point); } public void draw(Canvas canvas, MapView view, boolean shadow) { int size = points.size(); Point lastPoint = new Point(); if(size == 0) return; view.getProjection().toPixels(points.get(0), lastPoint); Point point = new Point(); for(int i = 1; i<size; i++){ view.getProjection().toPixels(points.get(i), point); canvas.drawLine(lastPoint.x, lastPoint.y, point.x, point.y, linePaint); lastPoint = point; } } @Override protected OverlayItem createItem(int arg0) { // TODO Auto-generated method stub return null; } @Override public int size() { // TODO Auto-generated method stub return 0; } }

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  • GDI+ double buffering in C++

    - by David Titarenco
    I haven't written anything with GDI for a while now (and never with GDI+), and I'm just working on a fun project, but for the life of me, I can't figure out how to double buffer GDI+ void DrawStuff(HWND hWnd) { HDC hdc; HDC hdcBuffer; PAINTSTRUCT ps; hdc = BeginPaint(hWnd, &ps); hdcBuffer = CreateCompatibleDC(hdc); Graphics graphics(hdc); graphics.Clear(Color::Black); // drawing stuff, i.e. bunnies: Image bunny(L"bunny.gif"); graphics.DrawImage(&bunny, 0, 0, bunny.GetWidth(), bunny.GetHeight()); BitBlt(hdc, 0,0, WIDTH , HEIGHT, hdcBuffer, 0,0, SRCCOPY); EndPaint(hWnd, &ps); } The above works (everything renders perfectly), but it flickers. If I change Graphics graphics(hdc); to Graphics graphics(hdcBuffer);, I see nothing (although I should be bitblt'ing the buffer-hWnd hdc at the bottom). My message pipeline is set up properly (WM_PAINT calls DrawStuff), and I'm forcing a WM_PAINT message every program loop by calling RedrawWindow(window, NULL, NULL, RDW_ERASE | RDW_INVALIDATE | RDW_UPDATENOW); I'm probably going about the wrong way to do this, any ideas? The MSDN documentation is cryptic at best.

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  • Problem with multiple select removing more than 1 option

    - by SoLoGHoST
    Ok, there seems to be a problem with the JS Code for Opera browsers, as it only removes the last option tag that is selected within a multiple select tag, can someone please help me. Here is the HTML for this: <select id="actions_list" name="layouts" multiple style="height: 128px; width: 300px;"> <option value="forum">forum</option> <option value="collapse">collapse</option> <option value="[topic]">[topic]</option> <option value="[board]">[board]</option> </select> Ofcourse it's within a form tag, but there's a ton more code involved with this form, but here is the relevant info for this. Here is the JS that should handle this, but only removes the last selected option in Opera, not sure about other browsers, but it really needs to remove all selected options, not just the last selected option... argg var action_list = document.getElementById("actions_list"); var i = action_list.options.length; while(i--) { if (action_list.options[i].selected) { action_list.remove(i); } } What is wrong with this? I can't figure it out one bit :( Thanks :)

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  • TextRenderer.DrawText renders Arial differently on XP vs Vista

    - by Michael
    I have a c# application that does text rendering, something on par with a simple wysiwyg text editor. I'm using TextRenderer.DrawText to render the text to the screen and GetTextExtentPoint32 to measure text so I can position different font styles/sizes on the same line. In Vista this all works fine. In XP however, Arial renders differently, certain characters like 'o' and 'b' take up more width than in Vista. GetTextExtentPoint32 seems to be measuring the string as it would in Vista though, with the smaller widths. The end result is that every now and then a run of text will overlap the text preceding it because the preceding text gets measured as smaller than it actually is on the screen. Also, my text rendering code mimics ie's text rendering exactly (for simple formatting and english language only) and ie text rendering seems to be consistent between vista and xp - that's how I noticed the change in size of the different characters. Anyone have any ideas about what's going on? In short, TextRenderer.DrawText and GetTextExtentPoint32 don't match up in xp for Arial. DrawText seems to draw certain characters larger and/or smaller than it does in Vista but GetTextExtentPoint32 seems to be measuring the text as it would in Vista (which seems to match the text rendering in ie on both xp and vista). Hope that makes sense. Note: unfortunately TextRenderer.MeasureString isn't fast or accurate enough to meet my requirements. I tried using it and had to rip it out.

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  • Cannot get right height of text in java.awt.BufferdImage/Graphics2D

    - by Tommy
    Im creating a servlet that renders a jpg/png with a given text. I want the text to be centered on the rendered image. I can get the width, but the height i'm getting seems to be wrong Font myfont = new Font(Font.SANS_SERIF, Font.BOLD, 400); BufferedImage image = new BufferedImage(500, 500, BufferedImage.TYPE_INT_ARGB); Graphics2D g = image.createGraphics(); g.setFont(myfont); g.setColor(Color.BLACK); FontMetrics fm = g.getFontMetrics(); Integer textwidth = fm.stringWidth(imagetext); Integer textheight = fm.getHeight(); FontRenderContext fr = g.getFontRenderContext(); LineMetrics lm = myfont.getLineMetrics("5", fr ); float ascent = lm.getAscent(); float descent = lm.getDescent(); float height = lm.getHeight(); g.drawString("5", ((imagewidth - textwidth) / 2) , y?); g.dispose(); ImageIO.write(image, "png", outputstream); These are the values I get: textwidth = 222 textheight = 504 ascent = 402 descent = 87 height = 503 Anyone know how to get the exact height om the "5" ? The estimated height should be around 250

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  • Loading google datatable using ajax/json

    - by puff
    I can't figure out how to load a datable using ajax/json. Here is my json code in a remote file (pie.json) { cols: [{id: 'task', label: 'Task', type: 'string'}, {id: 'hours', label: 'Hours per Day', type: 'number'}], rows: [{c:[{v: 'Work'}, {v: 11}]}, {c:[{v: 'Eat'}, {v: 2}]}, {c:[{v: 'Commute'}, {v: 2}]}, {c:[{v: 'Watch TV'}, {v:2}]}, {c:[{v: 'Sleep'}, {v:7, f:'7.000'}]} ] } This is what I have tried so far but it doesn't work. <script type="text/javascript" src="http://www.google.com/jsapi"></script> <script type="text/javascript"> google.load("visualization", "1", {packages:["piechart"]}); function ajaxjson() { jsonreq=GetXmlHttpObject(); jsonreq.open("GET", "pie.json", true); jsonreq.onreadystatechange = jsonHandler; jsonreq.send(null); } function jsonHandler() { if (jsonreq.readyState == 4) { var res = jsonreq.responseText; google.setOnLoadCallback(drawChart); function drawChart() { var data = new google.visualization.DataTable(res, 0.6) var chart = new google.visualization.PieChart(document.getElementByI('chart_div')); chart.draw(data, {width: 400, height: 240, is3D: true}); } // end drawChart } // end if } // end jsonHandler function GetXmlHttpObject() { var xmlHttp=null; xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); return xmlHttp; } Things work perfectly if I replace the 'res' variable with the actual code in pie.json. Any help would be greatly appreciated.

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  • HTML5 Canvas: How to make a loading spinner by rotating the image in degrees?

    - by Bill
    I am making a loading spinner with html5 canvas. I have my graphic on the canvas but when i rotate it the image rotates off the canvas. How do I tell it to spin the graphic on its center point? <!DOCTYPE html> <html> <head> <title>Canvas test</title> <script type="text/javascript"> window.onload = function() { var drawingCanvas = document.getElementById('myDrawing'); // Check the element is in the DOM and the browser supports canvas if(drawingCanvas && drawingCanvas.getContext) { // Initaliase a 2-dimensional drawing context var context = drawingCanvas.getContext('2d'); //Load the image object in JS, then apply to canvas onload var myImage = new Image(); myImage.onload = function() { context.drawImage(myImage, 0, 0, 27, 27); } myImage.src = "img/loading.png"; context.rotate(45); } } </script> </head> <body> <canvas id="myDrawing" width="27" height="27"> </canvas> </body> </html>

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  • HTML & CSS Horizontal menu with items on left & right

    - by Fabian Vilers
    Hi all, I'm building an horizontal menu in html+css. The current result is fine, except I want to have some items on the left, and others on the right. I couldn't find usefull result on Google with such common keywords so I'm asking on SO. Here's my code so far: #menu { background-color: #383838; height: 65px; margin-bottom: 20px; } #menu ul li { float: left; } <div id="menu"> <ul> <li>Link 1</li> <li>Link 2</li> <li>Link 3</li> </ul> </div> I'd like to have Link 3 on the right, so the space between link 2 and 3 should be filled at maximum. I don't want a filler <li> tag, but instead apply a class to the last <li> on the left, or the first <li> on the right. Don't want to adjust the width as I've a :hover background color changing effet on the links. I suppose margin or padding should do the trick but I can't manage to find how. Any clue? Thanks in advance, Fabian

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  • Auto-converting numbers to comma-fied versions

    - by Jeff Atwood
    Given the following text /feeds/tag/remote-desktop 1320 17007 22449240 /feeds/tag/terminal-server 1328 15805 20989040 /foo/23211/test 1490 11341 16898090 Let's say we want to convert those numbers to their comma-fied forms, like so /feeds/tag/remote-desktop 1,320 17,007 22,449,240 /feeds/tag/terminal-server 1,328 15,805 20,989,040 /foo/23211/test 1,490 11,341 16,898,090 (don't worry about fixing the fixed-width ASCII spacing, that's a problem for another day) This is the best regex I could come up with; it's based on this JavaScript regex solution from Regex Ninja Steven Levithan: return Regex.Replace(s, @"\b(?<!\/)\d{4,}\b(?<!\/)", delegate(Match match) { string output = ""; string m = match.Value; int len = match.Length; for (int i = len - 1; i >= 0 ; i--) { output = m[i] + output; if ((len - i) % 3 == 0) output = "," + output; } if (output.StartsWith(",")) output = output.Substring(1, output.Length-1); return output; }); In a related question, there is a very clever number comma insertion regex proposed: text = Regex.Replace(text, @"(?<=\d)(?=(\d{3})+$)", ",") However this requires an end anchor $ which, as you can see, I don't have in the above text -- the numbers are "floating" in the rest of the text. I suspect there is a cleaner way to do this than my solution? After writing this, I just realized I could combine them, and put one Regex inside the other, like so: return Regex.Replace(s, @"\b(?<!\/)\d{4,}\b(?<!\/)", delegate(Match match) { return Regex.Replace(match.Value, @"(?<=\d)(?=(\d{3})+$)", ","); });

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  • Getting each loaded image

    - by Hwang
    The images only loads into the last MC, how to make it load into each MC? private function imageHandler():void { imageBox=new MovieClip(); imageBox.graphics.lineStyle(5, 0xFFFFFF); imageBox.graphics.beginFill(0xFF0000); imageBox.graphics.drawRect(0,0,150,225); imageBox.graphics.endFill(); allImage.addChild(imageBox); } private function getPhoto():void { for (i=0; i<myXMLList.length(); i++) { placePhoto(); imageHandler(); imagesArray.push(imageBox); imagesArray[i].x=20+(200*i); } addChild(allImage); allImage.x=-(allImage.width+20); allImage.y=-(allImage.height+50); } private function placePhoto():void { loadedPic=myXMLList[i].@PIC; galleryLoader = new Loader(); galleryLoader.load(new URLRequest(loadedPic)); galleryLoader.contentLoaderInfo.addEventListener(Event.COMPLETE,picLoaded); } private function picLoaded(event:Event):void { var bmpD=event.target.content.bitmapData for (j; j<myXMLList.length(); j++) { bmp=new Bitmap(bmpD); bmp.smoothing=true; bmp.name="bmp"+j; imagesArray[j].addChild(bmp); } }

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  • How to run validator from javascript?

    - by David Shochet
    Here is a part of my code: <asp:ListBox ID="lbRD" runat="server" DataSourceID="RDSqlDataSource" onchange="JSFillDetail();" DataTextField="????????" DataValueField="ID" Width="188px" Height="200px"/> <asp:TextBox ID="txtDescription" runat="server" /> <asp:RequiredFieldValidator ID="txtDescriptionRequiredFieldValidator" runat="server" ErrorMessage="???????? ???????? ???????????? ??? ??????????" ControlToValidate="txtDescription" /> I have a listbox, a textbox and a required field validator on my page. When the user selects something from the listbox, the selected item appears in the textbox using a javascript function. When the page is submitted, the validator reports an error in case the textbox is empty. If after that the user selects something from the listbox, the error message is still displayed, even though the textbox is not empty anymore. How can I make the validator validate the textbox, or even better, to clear the error message from the javascript function that fills the textbox? Thanks, David

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