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• Hey Guy , I want ot streaming video by using VideView class . Can anyone tell me what format is it s

  - by eddyxd

  Hi , I am the newbie of android, but i hava seen the tutorial and implement some simple applications. The question i met is that I am tring to stream some video from my server to android, but the android VideoView class just plays the audition sololy without "image"@@!~ Here is my setting and android code : 1. android core code: mVideoView01.setVideoURI(Uri.parse("rtsp://192.168.16.1:8080/test.sdp")); mVideoView01.start(); 2. my streaming server is VLC and the command is: vlc -vvv d:\nobody.mp4 --sout=#transcode{vcodec=h264,width=320,hegiht=240}:rtp{dst=192.168.16.1,port=4444,sdp=rtsp://192.168.16.1:8080/test.sdp} ps: My ip is got from DHCP but I have checked it really can be connected(Android could play audition after all) ps2: I haved trid to stream some video from "http://www.americafree.tv/" and the playing is good!!@@ So I guess that the problem maybe is caused by streaming Video format, but I have almost tried every figument option form VLC, and it still don't workQQ. So Have anyone done the same test as me can give me some advice?? Thanks a lot!!!!! by eddy

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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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• OpenGL - drawing 2D polygons shapes with texture

  - by plonkplonk

  I am trying to make a few effects in a C+GL game. So far I draw all my sprites as a quad, and it works. However, I am trying to make a large ring appear at times, with a texture following that ring, as it takes less memory than a quad with the ring texture inside. The type of ring I want to make is not a round-shaped GL mesh ring (the "tube" type) but a "paper" 2D ring. That way I can modify the "width" of the ring, getting more of the effect than a simple quad+ring texture. So far all my attempts have been...kind of ridiculous, as I don't understand GL's coordinates too well (and I can't really understand the available documentation...I am just a designer with no coder help or background. A n00b, basically). glBegin(GL_POLYGON); for(i = 0;i < 360; i += 10){ glTexCoord2f(0, 0); glVertex2f(Cos(i)*(H-10),Sin(i)H); glTexCoord2f(0, HP); glVertex2f(Sin(i)(H-10),Cos(i)*(H-10)); glTexCoord2f(WP, HP); glVertex2f(Cos(i)H,Sin(i)(H-10)); glTexCoord2f(WP, 0); glVertex2f(Sin(i)*H,Cos(i)*H); } glEnd(); This is my last attempt, and it seems to generate a "sunburst" from the right edge of the circle instead of a ring. It's an amusing effect but definitely not what I want. Other results included the circle looking exactly the same as the quad textured (aka drawing a sprite literally) or something that looked like a pop-art filter, by working on this train of thought. Seems like my logic here is entirely flawed, so, what would be the easiest way to obtain such a ring? No need to reply in code, just some guidance for a non-math-skilled user...

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• using ontouch to zoom in

  - by user357032

  i have used some sample code and am trying to tweak it to let me allow the user to touch the screen and zoom in the code runs fine with no errors but when i touch the screen nothing happens package com.thomas.zoom; import android.content.Context; import android.graphics.Canvas; import android.graphics.drawable.Drawable; import android.view.KeyEvent; import android.view.MotionEvent; import android.view.View; public class Zoom extends View { private Drawable image; private int zoomControler=20; public Zoom(Context context) { super(context); image=context.getResources().getDrawable(R.drawable.icon); setFocusable(true); } @Override protected void onDraw(Canvas canvas) { // TODO Auto-generated method stub super.onDraw(canvas); //here u can control the width and height of the images........ this line is very important image.setBounds((getWidth()/2)-zoomControler, (getHeight()/2)-zoomControler, (getWidth()/2)+zoomControler, (getHeight()/2)+zoomControler); image.draw(canvas); } public boolean onTouch(int action, MotionEvent event) { action= event.getAction(); if(action == MotionEvent.ACTION_DOWN){ zoomControler+=10; } invalidate(); return true; } }

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• webcam refreshing image in iframe not working IE

  - by Nix

  I'm trying to show images from this webcam http://regacam.usz.ch/cgi-bin/guestimage.html on an html page by putting an iframe in pointing to another page that has an image tag in it. But it isn't working in IE (I just see a little cross where the image should be), Firefox is ok. Here the page with the image in: <html> <head> <meta http-euqiv="refresh" content="5"> </head> <body> <img src="http://regacam.usz.ch/cgi-bin/faststream.jpg?stream=full&fps=0.01667&rand=295543" width="200" height="150"/> </body> <html> and the iframe: <div id="rightcontainer"> <iframe id="rightframe" src="zurich.html" name="content" frameborder="0"></iframe> </div> I tried a different webcam elsewhere and that works ok in both browsers. Is there something odd about the one in my example? I got the link in src by right-clicking and copying the image location - is that the right way to go about it?

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• Can pdflatex (or any tex package) automatically rescale included images which have been reduced in s

  - by drfrogsplat

  I'm writing my thesis in LaTeX, generating it with pdflatex. I have a large number of figures, many of which are bitmaps (as opposed to SVG) in PNG/JPEG format. I've generally created them to be fairly high resolution (say 1600x1200-ish) to ensure that whatever size they end up in the document, they'll be at least 300dpi when printed. As I'm writing/laying out the document, I'm including graphics (using \includegraphics from the graphicx package) and setting widths/heights as appropriate (e.g. subfigures are quite small). I don't need the images to be any more than about 300 dpi at best, so where I have shrunk a 1600x1200 image down to say 5cm, the image is now at 800 dpi. So despite including some very small (on the page) images, the PDF is becoming quite large. Is there a way to tell pdflatex or graphicx (or something else involved?) to convert all images to a maximum of 300 dpi, based on the dimensions I'm setting with say \includegraphics[width=2in]{filename}? i.e. so it scales the image to a max of 600x600 pixels as it includes it in the PDF (leaving the original file untouched). I know I can resize the original images with various command line applications, and include the pre-resized versions, but given the images vary in size considerably, it wouldn't be as simple as making sure they're all 300dpi for a constant printed size. It'd also be nice to be able to easily create different versions of PDFs (web vs final print) without resizing images manually, so that the 'web' PDF capped images at say 72-100 dpi while the final print one could cap at 600 (if at all).

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• Expand and Collapse on button click

  - by kumar

  Please this is not a duplicate thread do consider this one..thanks.. <script type="text/javascript"> $(document).ready(function() { $('#tmpOpen').click(function() { var value = $("#tmpOpen").attr("value"); if (value == "Expand") { document.getElementById("tmpOpen").value = "Collapse"; loadAll(); } else { document.getElementById("tmpOpen").value = "Expand"; loadAll(); } }); function loadAll() { $('#Grid tr[role="row"] td a').each(function(row) { if ($('#CGrid tr[role="row"] td.hasClass(sgcollapsed) a')) { $(this).click(); } else if ($('#Grid tr[role="row"] td.hasClass(sgexpanded) a')) { return false; } }); } }); </script> <div> <input type="submit" id="tmpOpen" value="Expand" style="width:145px; height:30px;"/> </div> First time the grid is loading with all the user data..at very firsst row each use can exapdn the grid to see subgird using + sign,, when use clicks + sign I am expanding the row to show subgrid, above code is working at very frist time when I click expand button its expanding all the rows and collpase its colaapsing allt he rows perfectly, but user open any row to see subgrid,, after clicking the expand button opened row will closing and closing rows will be opening.. exactly its doing opposite? can anyone sujjest me what is this cause in the code? thanks

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• GWT Html Layout Conventions

  - by brad

  I've just started working with GWT and I'm already recognizing the extraordinary power that it possesses. I'm coming from a frontend world so the Java is a big learning curve, but I think that will actually help me build a properly laid out app (html-wise) instead of just relying on the default GWT panels that often end up using tables for layout, or superfluous, absolutely positioned divs. The biggest thing slowing me down right now however is deciding how to properly lay out the design of my site. I've got a pretty standard 2-col header/foot site (fixed width) that I want to design, but I'm not a fan of all the extra divs/styling etc that come with the DockLayoutPanel for instance. I'm thinking that I should just write my own Layout widget extending Composite that has HTMLPanels for the general site layout (I think... still haven't fully figured that out yet, ie. how do I add ID's to these panel divs "#header", "#nav" etc...) then I can add other widgets into this layout But the other thing I'm seeing is that I could write a Layout class extending UiBuilder and have straight up divs in the ui.xml file. I'm just wondering, what is the preferred method for site layout with GWT? This isn't going to be re-used in the sense of other widgets, it will be used once and my controls etc will be placed inside. Any tips or tricks are greatly appreciated! And if I've completely missed the boat on how to do this, let me know

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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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• Firefox reloading parent page in iframe when clicking named anchor

  - by masty

  My site has an iframe which is dynamically populated with html content. The html often contains named anchors, which work fine in IE/Chrome but in Firefox it reopens the entire page within the iframe. Here's an example: load the page in firefox, scroll to the bottom of the iframe, click the "back to top" link, and you will see what I am talking about. <html><head></head><body onload="setFrameContent();"><script> var htmlBody = '<html> <head></head> <body>' + '<a name="top"><h1>top</h1></a>' + '<br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/>' + '<br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/>' + '<a href="#top">back to top</a></body> </html> '; function setFrameContent(){ if (frames.length > 0) { var d = frames[0].document; d.open(); d.write(htmlBody); d.close(); } } </script> <h1>Here's an iframe:</h1> <iframe id="htmlIframe" style="height: 400px; width: 100%"><p>Your browser does not support iframes.</p></iframe> </body></html> Any ideas?

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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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• jQuery: is there a way to make a recursive child selector?

  - by gsquare567

  instead of checking only the immediate children of an element, i would like to recursively check all children of the element. specifically, something like $("#survey11Form>input[type=text]:visible").val(); with the html: <form id="survey11Form" name="survey11Form" action="#" method="post"> <div id="survey11Div"> <fieldset> <legend>TEST'TEST"TEST</legend> <div class="label"> <label test="" title="TEST'TEST" for="answer15"> TEST'TEST"TEST </label></div> <div class="fieldWrapper text required"> <div style="width: 146px;" class="cellValue"> <input type="text" title="TEST'TEST" value="" id="survey11answer15" name="survey11answer15"> should give me the value of that input. the jquery i've come up with does not. any ideas as to what would work in this situation (and all recursive situations)? thanks!

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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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• Resize a UITableView to accomodate a translucent header before it becomes visible

  - by scotru

  I have a UITableView inside a UINavigationController. The navigation controller uses a translucent navigation bar--as a result, my table view is displayed behind the navigation bar and it's height includes the height of the navigation bar. However, I want the table view to appear below the navigation bar (as it would if it were not translucent). I'm working in MonoTouch, but I think the principles are language independent. Here's the code I'm using to resize the UITableView frame: RectangleF rect = tableView.Frame; tableView.Frame = new RectangleF (rect.Left, rect.Top + 44, rect.Width, rect.Height - 44); tableView.ContentInset = new UIEdgeInsets (0, 0, 0, 0); This works fine if I place it in the viewDidAppear method, but will not work in the viewWillAppear method. In the viewDidAppear method, however I can see the resize occurring briefly in the form of a flicker. I want to do the resize before the frame appears. But if I put this code in viewWillAppear or viewDidLoad, it has no effect. Thanks in advance for any help!

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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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• Masking FLV video in AS3 with PNG alpha channel.

  - by James Roberts

  Hey there, I'm trying to mask an FLV with a PNG alpha channel. I'm using BitmapData (from a PNG) but it's not working. Is there anything I'm missing? Cut up code below: var musclesLoader:Loader = new Loader(); var musclesContainer:Sprite = new Sprite(); var musclesImage:Bitmap = new Bitmap(); var musclesBitmapData:BitmapData; var musclesVideo:Video = new Video(752, 451.2); var connection:NetConnection = new NetConnection(); var stream:NetStream; function loadMuscles():void { musclesLoader.load(new URLRequest('img/muscles.png')); musclesLoader.contentLoaderInfo.addEventListener(Event.COMPLETE, musclesComplete); } function musclesComplete():void { musclesBitmapData = new BitmapData(musclesLoader.content.width, musclesLoader.content.height, true, 0x000000); musclesImage.bitmapData = musclesBitmapData; musclesImage.smoothing = true; musclesContainer.addChild(musclesImage); contentContainer.addChild(musclesContainer); } function loadMusclesVideo():void { connection.connect(null); stream = new NetStream(connection); stream.client = this; musclesVideo.mask = musclesBitmapData; stage.addChild(musclesVideo); musclesVideo.attachNetStream(stream); stream.bufferTime = 1; stream.receiveAudio(true); stream.receiveVideo(true); stream.play("vid/muscles.flv"); } Outside this code I have a function that adds the containers to the stage, etc and places the objects in the appropriate spots. It sort of works - the mask applies, but in a square (the size of the boundaries of musclesBitmapData) rather than with the shape of the alpha channel. Is this the right way to go about this?

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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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• 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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• onLoad focus() event within jquerytools overlay effect

  - by tomcritchlow

  Hi, I'm using the overlay jquery from here: http://flowplayer.org/tools/overlay/index.html Within my overlay I have a search box like this: <div class="simple_overlay" id="asearch"> <div id="searchbox"> <form id="amazonsearch" style='float:left;'> <input class="title" id="amazon-terms" style="width:400px;font-size:2em;"> <button class="sexybutton sexysimple sexygreen">Search</button> </form> <div id="amazon-results"></div> </div><!--seachbox--> </div><!--Overlay--> What I want to happen is when you load the overlay the search box within the overlay gains focus so you can start typing into it. I thought that this would work: $("a[rel]").overlay({ onLoad: function() { $('#amazon-terms').focus(); } }); But that doesn't seem to do anything. I know the event is firing because this works: $("a[rel]").overlay({ onLoad: function() { alert('popup opened') } }); However, when this alert fires the overlay has not yet appeared on the screen so I wonder if that is part of the problem? According to the docs onLoad should fire "when the overlay has completely been displayed" (ref) Any help appreciated! :) Thanks Tom EDIT This code does what I want it to but I'm none the wiser as to why this works when the code above doesn't.... var triggers = $("a[rel]").overlay({ closeOnClick: false, onLoad: function() { $('input').focus(); } });

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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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• 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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• scaling svg paths in Raphael 2.1

  - by user1229001

  I'm using SVG paths from a wikimedia commons map of the US. I've singled out Pennsylvania with its counties. I'm feeding the paths out of a database and using Raphael 2.1 to put them on the page. Because in the original map, Pennsylvania was so small and set at an angle, I'd like to scale up the paths and rotate Pa. so that it isn't on an angle. When I try to use Raphael's transform method, all the counties look strange and overlapped. I gave up on setting the viewBox when I heard that it doesn't work in all browsers. Anyone have any ideas? Here is my code: $(document).ready(function() { var $paths = []; //array of paths var $thisPath; //variable to hold whichever path we're drawing $.post('getmapdata.php', function(data){ var objData = jQuery.parseJSON(data); for (var i=0; i<objData.length; i++) { $paths.push(objData[i].path); //$counties.push(objData[i].name); }//end for drawMap($paths); }) function drawMap(data) { // var map = new Raphael(document.getElementById('map_div_id'),0, 0); var map = new Raphael(0, 0, 520, 320); //map.setViewBox(0,0,500,309, true); for (var i = 0; i < data.length; i++) { var thisPath = map.path(data[i]); thisPath.transform(s2); thisPath.attr({stroke:"#FFFFFF", fill:"#CBCBCB","stroke-width":"0.5"}); } //end cycling through i }//end drawMap });//end program

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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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• TextBox doesn't fire TextChanged Event on IE 8, AutoPostback is true

  - by MaikoID

  Hi guys, I have the same thing, there are many TextBoxes with the event TextChanged set and with AutoPostback = true, and works in all browsers (Chrome, Opera, Firefox 3.6) except in IE 8, IE 6/7 I didn't test. I don't want to put the onblur event in all my TextBoxs because there are many pages with many TextBox that use this event. Description I'm using a masterPage, in the aspx i have <asp:TextBox ID="txtCnpj" runat="server" CssClass="txt" Width="200px" onkeyup="Mascara(this,Cnpj)" onkeydown="Mascara(this,Cnpj)" MaxLength="18" AutoPostBack="true" ValidationGroup="txtCnpj" OnTextChanged="txtCnpj_TextChanged"></asp:TextBox> in the aspx.cs protected void txtCnpj_TextChanged(object sender, EventArgs e) { if (CredorInvestimento.GetCredorInvestimento(txtCnpj.Text) != null) { ((TextBox)sender).Text = ""; ((TextBox)sender).Focus(); rfvCnpj.ErrorMessage = "Duplicado"; Page.Validate(txtCnpj.ID); } else txtNome.Focus(); } Thanks! ps: I really doesn't like of asp.net I spend more time fixing errors than developing new functions. ps: sorry for my english. ps: if i remove the onkeydown and onkeyup events the textchanged fire in IE, but i realy this events too.

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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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