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  • C# How to create objects without class definitions?

    - by JL
    Is it possible to create objects at designtime without having to have hard coded class definitions, then populate properties with primitives or even strongly typed data types? This might sound confusing, so I will attempt to give you a use case scenario. Use case: You have an XML config file that could hold configuration values for connecting to various systems in an SOA application. In C# the XML file is read, but for each system the configuration properties are different (e.g: SQL might have a connection string, while SharePoint might need a username + password + domain + url, while yet an smtp server would need username + password + port + url) So instead of creating static classes as follows public class SharePointConfiguration or public class SQLConfiguration, then have each class with custom properties (this is cumbersome) or using a 1990's method, an arrayList or some named collection Is there not a more preferred way to achieve this? Taking advantage of new language features, that can still offer design time intellisense, which would make the code easier to maintain and less prone to error. Thanks

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  • XSLT: insert parameter value inside of an html attribute

    - by usr
    How to make the following code insert the youtubeId parameter: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE xsl:stylesheet [ <!ENTITY nbsp "&#x00A0;"> ]> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxml="urn:schemas-microsoft-com:xslt" xmlns:YouTube="urn:YouTube" xmlns:umbraco.library="urn:umbraco.library" exclude-result-prefixes="msxml umbraco.library YouTube"> <xsl:output method="xml" omit-xml-declaration="yes"/> <xsl:param name="videoId"/> <xsl:template match="/"> <a href="{$videoId}">{$videoId}</a> <object width="425" height="355"> <param name="movie" value="http://www.youtube.com/v/{$videoId}&amp;hl=en"></param> <param name="wmode" value="transparent"></param> <embed src="http://www.youtube.com/v/{$videoId}&amp;hl=en" type="application/x-shockwave-flash" wmode="transparent" width="425" height="355"></embed> </object>$videoId {$videoId} {$videoId} <xsl:value-of select="/macro/videoId" /> </xsl:template> </xsl:stylesheet> As you can see I have experimented quite a bit. <xsl:value-of select="/macro/videoId" /> actually outputs the videoId but all other occurences do not. This must be an easy question to answer but I just cannot get it to work.

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  • Posting within PHP and receiving only cookie

    - by faya
    Hello I have a question. It might be sound ridiculous, but let me explain what I want to accomplish. Right now I try to embed open source forum to by site and I want to leave forum and my site databases split. When my site users are logging in I want them also automatically be logged in to the forum system. For that I want to login within my PHP code after receiving username and password in post, but I don't know how I can get only cookies in response. I have found out that I can use curl_init(), curl_exec(), curl_close() functionality, but response from curl_exec returns whole response(page content, cookies, headers). Is there a way to receive only cookies? P.S. - If my design is totally wrong please give an advise how I can embed this functionality! I would be very thankful!

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  • C++ include .h includes .cpp with same name as well?

    - by aaron
    so I have text.cpp, which 'includes' header.h, and then I have a header.cpp which includes header.h. How is header.cpp compiled as well? I'm walking through a guide here, and thoroughly confused. Also, what is the correct terminology for what I am asking? I know I sound like a moron, and I apologize, but I'm ignorant. Oh, main is in test.cpp. Also, if header.cpp includes , why can't I use iostream function calls in text.cpp if it is included? If I include iostream in text.cpp will it be included in the program twice (in other words, bloat it)?

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  • Changing <object> height and width works in Chrome but not Firefox or IE. Why?

    - by Michael Hopkins
    I am making a site with two Youtube videos. These videos use the raw embed code from Youtube. The site's design doesn't work with any of the default Youtube sizes, so I am writing code to automatically resize the video. Here is my code. There will never be more than these two tags on the page, otherwise I'd do a better job selecting the videos. <script language='JavaScript' type='text/javascript'> var x=document.getElementsByTagName('object'); x.[0].width='350'; x.[0].height='350'; x.[1].width='350'; x.[1].height='350'; </script> For reference, here's a sample default Youtube embed that the code might alter: <object width="480" height="385"> <param name="movie" value="http://www.youtube-nocookie.com/v/zSgiXGELjbc&hl=en_US&fs=1&rel=0"></param> <param name="allowFullScreen" value="true"></param> <param name="allowscriptaccess" value="always"></param> <embed src="http://www.youtube-nocookie.com/v/zSgiXGELjbc&hl=en_US&fs=1&rel=0" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed> </object> In Chrome, the video players sit perfectly in a 350x350 box. In IE and FF (latest versions), the videos are the unchanged, normal size. I cannot find anything in Google that explans why this won't work. I have tried using setattribute, for loops, adjusting both and , single-quotes and double-quotes, etc. Any ideas what is going wrong?

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  • n00b: receive input over TCP/IP and use it to update HTML

    - by mawg
    This has got to be a FAQ, so can someone please just direct me to a "network programming for dummies" URL? The server wants to push information to a client or broadcast to all, when an event happens - as opposed to the clients constantly polling the server "just in case". The client then updates a browser page display. How do I do that? (toldya it was a n00b question) Should I have a thread which receives info on a socket and then writes it to a database which the browser display (PHP) can process with an HTML refresh tag, or what? Sorry to sound so dumb.

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  • Easiest way to combine a dataset and other data in a single file?

    - by Tim Gradwell
    I have a dataset in C# which I can serialise using dataset.WriteXml(filename); but I want the file to contain other data as well (essentially some meta data about the dataset). I could add another table to the dataset which contained the metadata, but I'd prefer to keep it separate, if at all possible. Essentially I think I want to create a 'combination of files' file, that looks something like this: size_of_file1 file1 size_of_file2 file2 ... etc Then, I'd like to load the file into memory, and split the file into separate streams, so that I can feed the dataset into dataset.ReadXml(stream); and the metadata into something else. Sound possible? Can anyone tell me how I can do it? Thanks Tim

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  • Does Exchange have ability to run hidden mailboxes?

    - by MadBoy
    Hello, Title of my question may sound a little bit odd but I was thinking if Exchange 2010 or 2007 or any program that would work in conjunction with Exchange has ability to create this structure: Users having their normal mailboxes connected and using them as everyone would in Outlook 2003/2007/2010. Users having additional mailboxes (from old Exchange 2003) attached but hidden on demand of Administrator. For example administrator could easy disable them just like they never been attached making them invisible to users and everyone else. Would be good if such mailboxes could be easily removed out of system (lets say on external drive) by simple step not manual job for 100 mailboxes. Users without ability to copy/move their mails to outside storage (like a local .pst file)? Do you guys have any suggestions on this? I was thinking maybe using public folders but this seems like overkill and not really suited for this. And please don't ask me why I need this type of security (it's not something I requested).

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  • How do I avoid having JSONP returns cached in an HTML5 offline application?

    - by Kent Brewster
    I had good luck with cached offline apps until I tried including data from JSONP endpoints. Here's a tiny example, which loads a single movie from the new Netflix widget API: <!DOCTYPE html> <html manifest="main.manifest"> <head> <title>Testing!</title> </head> <body> <p>Attempting to recover a title from Netflix now...</p> <script type="text/javascript"> function ping(r) { alert('API reply: ' + r.catalog_title.title.regular); } var cb = new Date().getTime(); var s = document.createElement('SCRIPT'); s.src = 'http://movi.es/7Soq?v=2.0&output=json&expand=widget&callback=ping&cacheBuster=' + cb; alert('SCRIPT src: ' + s.src); s.type = 'text/javascript'; document.getElementsByTagName('BODY')[0].appendChild(s); </script> </body> </html> ... and here's the contents of my manifest, main.manifest, which contains no files and is only there so my browser knows to cache the calling HTML file. CACHE MANIFEST Yes, I've confirmed that my server is sending the manifest down with the correct content type, text/cache-manifest. The app works fine--meaning both alerts show--the first time I run it, but subsequent runs, even with the attempt at cache-busting in line 10, seem to be attempting to load the script from cache no matter what the query string is. I see the alert showing the script source, but the callback never fires. If I remove the manifest link from line 2 and reset my browser--being Safari and the iPhone Simulator--to clear cache, it works every time. I've also tried alerting the number of SCRIPT tags in the page, and it's definitely seeing both the existing and dynamically-created tag in all cases.

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  • Is it possible to use JavaScript to submit an unnamed form from outside an iFrame?

    - by Scott
    I know that may sound silly, but I'm trying to submit a form on a page inside an iFrame, from the parent site. Here's an example of the form: <form action="/add_email" method="post"> <div class="field"> <label for="newEmailAddress" style="width: auto">Add new email address</label> <input type="text" id="newEmailAddress" name="email" value="null" class="text-field" /> <input type="hidden" name="__app_key" value="null"/> <input type="submit" value="Add address and send activation email"> </div> </form> As you can see, the Submit button, and the form itself both lack a proper name or id, this is not something I have control over. (It's on an external website.) Any suggestions?

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  • Should I start to use CSS 3 & HTML 5?

    - by LeonixSolutions
    I fear this may sound subjective, sorry. I am wondering how "safe" it is to use CSS3 & HTML5 in a commercial app. I really want the power that they give, but am obviously wary that they are not completely standardized. If it helps any I can probably enforce the use of Chrome as the browser; I can likely offer FireFox as an alternative. I personally do not want to let the user choose their own browser and can probably enforce my choice in a corporate environment which is already heavily biased towards Google. I suppose that if I can enforce a Chrome only policy & carefully test before release then my only worry is that some "behaviour" may change in future. Would you risk it, or would play safe (or go with an alternative, such as a Java app, forgetting the browser)?

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  • Audio Playback Rate in Android

    - by Marquis
    So, I know that this has been done with a few Android apps before, but I cannot for the life of me figure out how, since it's not currently possible through the API. How does one adjust the playback rate of a sound played through MediaPlayer; either with or without adjusting the pitch is fine for now, though the latter is definitely preferred. If someone can point me in the direction of an open source app that I can use as guidance, that would also be fine. Thanks in advance.

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  • Websites' color scheme generators - what to do with them in real life?

    - by Marco Demaio
    On the web there are plenty of color scheme/palette generator tools and color palettes galleries. All of these tools/gelleries show many 3 to 5 colors palette as final result. Some of these tools: http://kuler.adobe.com, http://www.colorexplorer.com I know my question might sound ridicolous to someone who is involved in web dedign, but I don't understand what to do with these color palette. I mean, if I have to create a website, how am I supposed to apply this color palette to the website. Which color goes as foreground text, which one as background, which one for the links, which one for the page titles and so on? What are these color palette generators useful for then?! Thanks!

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  • FFT and IFFT on 3D matrix (Matlab)

    - by SteffenDM
    I have a movie with 70 grayscale frames in MATLAB. I have put them in a 3-D matrix, so the dimensions are X, Y and time. I want to determine the frequencies in the time dimension, so I have to calculate the FFT for every point in the 3rd dimension. This is not a problem but I have to return the images to the original form with ifft. In a normal situation this would be true: X = ifft(fft(X)), but this is not the case it seems in MATLAB when you work with multidimensional data. This is the code I use: for i = 1:length y(:, :, i) = [img1{i, level}]; %# take each picture from an cell array and put it end %# and put it in 3D array y2 = ifft(fft(y, NFFT,3), NFFT, 3); %# NFFT = 128, the 3 is the dimension in which i want %# to calculate the FFT and IFFT y is 480x640x70, so there are 70 images of 640x480 pixels. If I use only fft, y2 is 480x640x128 (this is normal because we want 128 points with NFFT). If I use fft and ifft, y2 is 480x640x128 pixels. This is not normal, the 128 should be 70 again. I tried to do it in just one dimension by using 2 for loops and this works fine. The for loops take to much time, though.

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  • Top 3 Max entries for a Combination which a condition

    - by Asharmb
    I am new to sql side. so if this questoin sound very easy then please spare me. I have a 4 coloumns in a sql table.Let say A,B,C,D . For any BC combination I may get any number of rows. I need to get at max 3 rows (which inturn give me 3 unique value of A for that BC ombination) for these selected rows i should have Top 3 Max value of D. As compare to other entries for that BC combination. So there can be any number of BC combination so the above logic should imply to all of them.

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  • Custom UI design in Sencha and othere touch framworks

    - by vWebby
    Can someone please guide me regarding which touch framework (javascript) I should use to make a tablet app? I am new to this area and I am looking for something which allows me to play with my own UI design comfortably. I went through sencha as I heard its apt for a tablet app environment but I am (sorry, it might sound odd) not able to make out whether I can use my own UI design to make app in sencha. Or any other framework (stable) allows to use custom UI design?? Any help regarding this is appreciated .. thanks in advance

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  • How do I get flashvars in Firefox using object embed tag only to work?

    - by Liam
    I am trying to generate an <object> tag only embed code and cannot get Firefox to pass Flash along the FlashVars values. This seems to work everyplace else that I've tried it but fails in Firefox. Here is a sample of the embed that I'm using: <object type="application/x-shockwave-flash" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=10,0,0,0" width="550" height="400" id="Main" align="middle"> <param name="movie" value="Main.swf" /> <param name="allowScriptAccess" value="always" /> <param name="allowFullScreen" value="true" /> <param name="bgcolor" value="#ffffff" /> <param name="quality" value="high" /> <param name="menu" value="false" /> <param name="FlashVars" value="foo=1" /> </object> Please note that the Flash experience does show up in Firefox but when I do traces and actually run the application this fails to read the values. This has had me scratching my head for a day and I'm pretty stumped. If anyone has any guidance on this it would relly be appreciated.

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  • Why do a small amount of add/deletes take several seconds in EF4?

    - by TomWij
    Using the Entity Framework 4. I have created a Code First database in the past and a piece of code needs to delete and add 16 objects, this takes 6 seconds each. That's 300+ ms for each query! The deletes/adds occur in a foreach scope and there is a SaveChanges() outside the foreach. In the above image you see that each takes 6 seconds, which is 34% of the time, for 16 calls. That doesn't sound normal to me... Why is this and how can I improve the performance? If there is no solution: Are there any workarounds I can use? It would be a pain to rewrite my project...

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  • Copying blocks (ie: copying them to instance variables) in Objective-C

    - by RyanWilcox
    I'm trying to understand blocks. I get how to use them normally, when passed directly to a method. I'm interested now in taking a block, storing it (say) in an instance variable and calling it later. The blocks programming guide makes it sound like I can do this, by using Block_copy / retain to copy the block away, but when I try to run it I crash my program. - (void) setupStoredBlock { int salt = 42; m_storedBlock = ^(int incoming){ return 2 + incoming + salt; }; [m_storedBlock retain]; } I try to call it later: - (void) runStoredBlock { int outputValue = m_storedBlock(5); NSLog(@"When we ran our stored blockwe got back: %d", outputValue); [m_storedBlock release]; } Anyone have any insights? (Or, is there something I'm not getting with blocks?) Thank you very much!

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  • YouTube API, jQuery attr won't swap element attributes (I think) in IE, but works in FF

    - by Anthony
    JavaScript (jQuery) function display_youtube(new_url) { $('#movie_url').removeAttr('value'); $('#embed_url').removeAttr('src'); $(document).ready(function() { $('#movie_url').attr('value', new_url); $('#embed_url').attr('src', new_url); $('#shade').css('display', 'block'); $('#youtube_player').css('display', 'block'); $('#exit_youtube').css('display', 'block'); }); } HTML <object width="720" height="480"> <param id="movie_url" name="movie" value="http://www.youtube.com/v/_eaToCSn7yU?f=user_uploads&app=youtube_gdata&autoplay=0" /> <param name="allowFullScreen" value="true" /> <param name="allowscriptaccess" value="always" /> <embed id="embed_url" src="http://www.youtube.com/v/_eaToCSn7yU?f=user_uploads&app=youtube_gdata&autoplay=0" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="720" height="480" /> </object> Hyperlink <a href="javascript:display_youtube('http://www.youtube.com/v/_eaToCSn7yU?f=user_uploads&app=youtube_gdata&autoplay=1');">Click Here for Fun!</a> What I've done is parsed YouTube's API for the videos on my user channel. The hyperlink above is php generated, meant to trigger the above JavaScript function, and swap the url from attributes contained in ids "movie_url" and "embed_url". Works just like it should in FF, but IE will only perform the .css commands. My guess? IE doesn't like me assigning IDs to PARAM and EMBED, perhaps? What do you think?

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  • Cocos2d and MPMoviePlayerViewController - NSNotificationCenter not working

    - by digi_0315
    I'm using cocos2d with MPMoviePlayerViewController class, but when I tryed to catch notification status when the movie is finished I got this error: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[NSCFString movieFinishedCallback]: unrecognized selector sent to instance 0x5d23730' my playVideoController.m are: @implementation PlayVideoViewController +(id) scene{ CCScene *scene = [CCScene node]; CCLayer *layer = [credits node]; [scene addChild: layer]; return scene; } -(id)initWithPath:(NSString *)moviePath{ if ((self = [super init])){ movieURL = [NSURL fileURLWithPath:moviePath]; [movieURL retain]; playerViewController = [[MPMoviePlayerViewController alloc] initWithContentURL:movieURL]; player = [playerViewController moviePlayer]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(movieFinishedCallback) name:MPMoviePlayerPlaybackDidFinishNotification object:player]; [[[CCDirector sharedDirector] openGLView] addSubview:playerViewController.view]; [player play]; } return self; } -(void)movieFinishedCallback{ CCLOG(@"video finished!!"); } in .h: #import <UIKit/UIKit.h> #import "cocos2d.h" #import <MediaPlayer/MediaPlayer.h> @interface PlayVideoViewController : CCLayer { NSURL *movieURL; MPMoviePlayerViewController *playerViewController; MPMoviePlayerController *player; } +(id) scene; @end and I call it in appDelegate.m: - (void) applicationDidFinishLaunching:(UIApplication*)application { CC_DIRECTOR_INIT(); CCDirector *director = [CCDirector sharedDirector]; [director setDeviceOrientation:kCCDeviceOrientationLandscapeLeft]; EAGLView *glView = [director openGLView]; [glView setMultipleTouchEnabled:YES]; [CCTexture2D setDefaultAlphaPixelFormat:kTexture2DPixelFormat_RGBA8888];//kEAGLColorFormatRGBA8 NSString *path = [[NSBundle mainBundle] pathForResource:@"intro" ofType:@"mov" inDirectory:nil]; vi ewController = [[[PlayVideoViewController alloc] initWithPath:path] autorelease]; } what i'm doing wrong? anyone can help me please?? I'm try to solve it since a lot of hours ago but I can't!

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  • Allocated Private Bytes keeps going up in one computer but not the other

    - by Jacob
    OK, this may sound weird, but here goes. There are 2 computers, A (Pentium D) and B (Quad Core) with almost the same amount of RAM. If I run the same code on both computers, the allocated private bytes in A never goes down resulting in a crash later on. In B it looks like the private bytes is constantly deallocated and everything looks fine. In both computers, the working set is deallocated and allocated similarly. Could this be an issue with manifests or DLLs (system)? I'm clueless. Note: I observed the utilized memory with Process Explorer.

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  • Monitoring an audio line.

    - by Stefan Liebenberg
    I need to monitor my audio line-in in linux, and in the event that audio is played, the sound must be recorded and saved to a file. Similiar to how motion monitors the video feed. Is it possible to do this with bash? something along the lines of: #!/bin/bash # audio device device=/dev/audio-line-in # below this threshold audio will not be recorded. noise_threshold=10 # folder where recordings are stored storage_folder=~/recordings # run indefenitly, until Ctrl-C is pressed while true; do # noise_level() represents a function to determine # the noise level from device if noise_level( $device ) > $noise_threshold; then # stream from device to file, can be encoded to mp3 later. cat $device > $storage_folder/`date`.raw fi; done;

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  • producing a typewriter-like effect

    - by Tony Ennis
    Android newb here. Please use small words :-) I'd like to simulate typewriter output on my Android. The output being displayed is generated by a game and is somewhat freeform. The effect I want to see individual characters appear at a rate of about 6 characters a second. When a 'carriage return' is seen, I'd like to insert a delay then resume typing on the left. What are some suggestions on views? Would the view of choice for this be a TextView? Even that seems like overkill for this read-only coarsely scrolling output. I saw something on this thread about an AsyncTask. That looks useful. Perhaps my game will write to some manner of buffer, and a subclass of AsyncTask will pull characters out every .15 seconds or so, add them to the TextView, then invalidate() the TextView? Sound like a plan?

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  • Whats wrong with this video embed code?

    - by jamietelin
    Following embed code is from http://hd.se/landskrona/2010/04/09/kunglig-glans-pa-idrottsgalan/ but it doesn't work in Internet Explorer 8. Firefox no problems. Any recommendations for improvements? Thanks for your time! <object width="480px" height="294px" id="_36313041" data="http://hd.se/static/media/html/flash/video-3/flowplayer.swf" type="application/x-shockwave-flash"> <param name="movie" value="http://hd.se/static/media/html/flash/video-3/flowplayer.swf" /> <param name="allowfullscreen" value="true" /> <param name="allowscriptaccess" value="always" /> <param name="flashvars" value='config={"key":"$3fff7448b28a8cffc85","contextMenu":["hd.se videospelare 1.0"],"plugins":{"rtmp":{"url":"http://hd.se/static/media/html/flash/video-3/flowplayer.rtmp.swf"},"controls":{"height":24,"opacity":1,"all":false,"play":true,"time":true,"scrubber":true,"playlist":false,"mute":true,"volume":true,"fullscreen":true,"backgroundColor":"#222222","backgroundGradient":"none","buttonColor":"#7c7c7c","buttonOverColor":"#36558b","progressColor":"#7c7c7c","bufferColor":"#7c7c7c","timeColor":"#ffffff","durationColor":"#ffffff","timeBgColor":"#222222","scrubberHeightRatio":0.5,"scrubberBarHeightRatio":0.5,"volumeSliderHeightRatio":0.5,"volumeBarHeightRatio":0.5,"autoHide":"fullscreen","hideDelay":1800,"tooltips":{"buttons":true,"play":"Spela","pause":"Paus","next":"Nästa","previous":"Föregående","mute":"Ljud av","unmute":"Ljud på","fullscreen":"Fullskärmsläge","fullscreenExit":"Lämna fullskärmsläge"},"tooltipColor":"#153872","tooltipTextColor":"#ffffff"},"contentIntro":{"url":"http://hd.se/static/media/html/flash/video-3/flowplayer.content.swf","top":0,"width":736,"border":"none","backgroundColor":"#202020","backgroundGradient":"none","borderRadius":"none","opacity":"85pct","display":"none","closeButton":true}},"canvas":{"backgroundColor":"#000000","backgroundGradient":"none"},"play":{"replayLabel":"Spela igen"},"screen":{"bottom":24},"clip":{"scaling":"fit","autoPlay":true},"playlist":[{"provider":"rtmp","netConnectionUrl":"rtmp://fl0.c06062.cdn.qbrick.com/06062","url":"ncode/hdstart","autoPlay":false,"scaling":"fit"},{"url":"http://hd.se/multimedia/archive/00425/_kunligglans_HD_VP6_425359a.flv","scaling":"fit","autoPlay":true},{"provider":"rtmp","netConnectionUrl":"rtmp://fl0.c06062.cdn.qbrick.com/06062","url":"ncode/hdstopp","autoPlay":true,"scaling":"fit"}]}' /> </object>

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