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  • Menu not showing tooltip in C# wpf

    - by swapnil
    i have this code <MenuItem Header="{localization:Translate NewChart}" ToolTip="Ctrl+h" Command="{Binding AddChartCommand}"> <MenuItem.Background> <RadialGradientBrush RadiusX="0.768" RadiusY="0.783"> <GradientStop Color="#FF2b2b2b" Offset="1"/> <GradientStop Color="#FF515151" Offset="0.388"/> </RadialGradientBrush> </MenuItem.Background> </MenuItem> I don't understand why i can't see the toottip when i take mouse over the menu item.

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  • PHP: Odd behaviour with date_sunset function

    - by Svish
    I'm having a look at the date_sunset function in PHP and have met an issue that I find a bit strange. I have this piece of code: $sunset = date_sunset(mktime(0, 0, 0, 5, 14, 2010), $format, // Format 55.596041, // Latitude 12.992495, // Longitude 90, // Zenith 2 // GMT Offset ); For the three different formats, that would give me: SUNFUNCS_RET_STRING 21:05 SUNFUNCS_RET_DOUBLE 21.095732016315 SUNFUNCS_RET_TIMESTAMP 1273863944 // H:i:s O -> 19:05:44 +0000 Why is the timestamp format ignoring the gmt offset? Is is supposed to be like that? If so what is the reason behind that?

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  • R counting the occurrences of similar rows of data frame

    - by Matt
    I have data in the following format called DF (this is just a made up simplified sample): eval.num, eval.count, fitness, fitness.mean, green.h.0, green.v.0, offset.0 random 1 1 1500 1500 100 120 40 232342 2 2 1000 1250 100 120 40 11843 3 3 1250 1250 100 120 40 981340234 4 4 1000 1187.5 100 120 40 4363453 5 1 2000 2000 200 100 40 345902 6 1 3000 3000 150 90 10 943 7 1 2000 2000 90 90 100 9304358 8 2 1800 1900 90 90 100 284333 However, the eval.count column is incorrect and I need to fix it. It should report the number of rows with the same values for (green.h.0, green.v.0, and offset.0) by only looking at the previous rows. The example above uses the expected values, but assume they are incorrect. How can I add a new column (say "count") which will count all previous rows which have the same values of the specified variables? I have gotten help on a similar problem of just selecting all rows with the same values for specified columns, so I supposed I could just write a loop around that, but it seems inefficient to me.

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  • Retrieving NSDate from NSString

    - by Olivier de Jonge
    I have an iPhone app. that is receiving data with IRFC 3339 timestamp format (e.g. @"2010-01-29T11:30:00.000+01:00"), as in GData. I want to convert the data to an NSDate NSDateFormatter *inputFormatter = [[[NSDateFormatter alloc] init] autorelease]; [inputFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss.SSS"]; [currentEntry setStartTime:[inputFormatter dateFromString: ][currentEntry startTimeString]]]; But I'm missing out how to convert the last part of the string @"2010-01-29T11:30:00.000+01:00": the time offset. Anyone knows what I have to add to this String to take the time offset in account too?

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  • SQL 2005 w/ C# optimal "Paging"

    - by David Murdoch
    When creating a record "grid" with custom paging what is the best/optimal way to query the total number of records as well as the records start-end using C#? SQL to return paged record set: SELECT Some, Columns, Here FROM ( SELECT ROW_NUMBER() OVER (ORDER BY Column ASC) AS RowId, * FROM Records WHERE (...) ) AS tbl WHERE ((RowId > @Offset) AND (RowId <= (@Offset + @PageSize)) ) SQL to count total number of records: SELECT COUNT(*) FROM Records WHERE (...) Right now, I make two trips to the server: one for getting the records, and the other for counting the total number of records. What is/are the best way(s) to combine these queries to avoid multiple DB trips?

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  • Using static variable in function vs passing variable from caller

    - by Patrick
    I have a function which spawns various types of threads, one of the thread types needs to be spawned every x seconds. I currently have it like this: bool isTime( Time t ) { return t >= now(); } void spawner() { while( 1 ) { Time t = now(); if( isTime( t ) )//is time is called in more than one place in the real function { launchthread() t = now() + offset; } } } but I'm thinking of changing it to: bool isTime() { static Time t = now(); if( t >= now() ) { t = now() + offset; return true; } return false; } void spawner() { if( isTime() ) launchthread(); } I think the second way is neater but I generally avoid statics in much the same way I avoid global data; anyone have any thoughts on the different styles?

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  • How to select a dynamic datepicker instance in order to extend it with jQuery

    - by JaredC
    I'm trying to control positioning of a jQuery datepicker element. I like the solution offered at http://stackoverflow.com/questions/1818670/how-to-control-positioning-of-jqueryui-datepicker for overriding the _checkOffset fn: $.extend(window.DP_jQuery.datepicker,{_checkOffset:function(inst,offset,isFixed){return offset}}); However, this results in a 'window.DP_jQuery is undefined' error. Upon inspection, I can see that the DP_jQuery object in the DOM gets named with a random string, like so: DP_jQuery_123456. If I use this full name in the above code, it works wonderfully. My question is whether there's a way to exend the _checkOffset fn for a datepicker instance without knowing before-hand what the instance name is? For example, can I use some sort of wildcard to select all datepicker instances that begin with 'DP_jQuery_'? Thanks

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  • How can you tell the source of the data when using the Stream.BeginRead Method?

    - by xarzu
    When using the Stream.BeginRead Method, and you are reading from a stream into a memory, how is it determined where you are reading the data from? See: http://msdn.microsoft.com/en-us/library/system.io.stream.beginread.aspx In the list of parameters, I do not see one that tells where the data is being read from: Parameters buffer Type: System.Byte[] The buffer to read the data into. offset Type: System.Int32 The byte offset in buffer at which to begin writing data read from the stream. count Type: System.Int32 The maximum number of bytes to read. callback Type: System.AsyncCallback An optional asynchronous callback, to be called when the read is complete. state Type: System.Object A user-provided object that distinguishes this particular asynchronous read request from other requests.

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  • Help with C# program design implementation: multiple array of lists or a better way?

    - by Bob
    I'm creating a 2D tile-based RPG in XNA and am in the initial design phase. I was thinking of how I want my tile engine to work and came up with a rough sketch. Basically I want a grid of tiles, but at each tile location I want to be able to add more than one tile and have an offset. I'd like this so that I could do something like add individual trees on the world map to give more flair. Or set bottles on a bar in some town without having to draw a bunch of different bar tiles with varying bottles. But maybe my reach is greater than my grasp. I went to implement the idea and had something like this in my Map object: List<Tile>[,] Grid; But then I thought about it. Let's say I had a world map of 200x200, which would actually be pretty small as far as RPGs go. That would amount to 40,000 Lists. To my mind I think there has to be a better way. Now this IS pre-mature optimization. I don't know if the way I happen to design my maps and game will be able to handle this, but it seems needlessly inefficient and something that could creep up if my game gets more complex. One idea I have is to make the offset and the multiple tiles optional so that I'm only paying for them when needed. But I'm not sure how I'd do this. A multiple array of objects? object[,] Grid; So here's my criteria: A 2D grid of tile locations Each tile location has a minimum of 1 tile, but can optionally have more Each extra tile can optionally have an x and y offset for pinpoint placement Can anyone help with some ideas for implementing such a design (don't need it done for me, just ideas) while keeping memory usage to a minimum? If you need more background here's roughly what my Map and Tile objects amount to: public struct Map { public Texture2D Texture; public List<Rectangle> Sources; //Source Rectangles for where in Texture to get the sprite public List<Tile>[,] Grid; } public struct Tile { public int Index; //Where in Sources to find the source Rectangle public int X, Y; //Optional offsets }

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  • When are dynamically loaded NIBs assigned frames and bounds data?

    - by thebossman
    In one of my UIViewControllers, I am calling initWithNibName:bundle: for several other UIViewControllers. I am grabbing the view property in each of those dynamically created controllers and placing them, one after the other, in my parent view. For instance, the y offset of viewControllerB should be equal to the height of viewControllerA. The y offset of viewControllerC should be equal to the height of viewControllerB, and so on. I am initalizing these nibs in viewDidLoad, yet none of them have any meaningful bounds or frame properties. The sizes and positions of each are all zero. Where is the 'correct' place to do this type of operation so that I can grab meaningful values from these properties?

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  • use callback function to report stack backtrace

    - by user353394
    Assume I have the following: typedef struct { char *name; char binding; int address; } Fn_Symbol //definition of function symbol static Fn_Symbol *fnSymbols; //array of function symbols in a file statc int total; //number of symbol functions in the array and file static void PrintBacktrace(int sigum, siginfo_t * siginfo, void *context) { printf("\nSignal received %d (%s)\n", signum, strsignal(signum)); const int eip_index = 14; void *eip = (void *)((struct ucontext *)context)->uc_mcontext.gregs[eip_index]; printf("Error at [%p] %s (+0x%x), eip, fnName, offset from start); //????? exit(0); } I have this so far, but what is the best way using the fnSymbols static global pointer to identify the function where the error occured and then back trace through the stack to identify each calling function by address, name, and offset?

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  • How does Mach-O loader recognize a bunch of NSString objects?

    - by overboming
    I have known that If you define a bunch of @"" NSString objects in the source code in Mac OS. These NSStrings will be stored in a segment in the Mach-O library. Section sectname __ustring segname __TEXT addr 0x000b3b54 size 0x000001b7 offset 731988 align 2^1 (2) reloff 0 nreloc 0 flags 0x00000000 reserved1 0 reserved2 0 If I hex dump the binary, they are aligned closely one by one with a 0x0000as separator. What I want to know is how does the loader in Mac OS X load these NSStrings when the program runs? Are they loaded simpily by recognize the 0x0000 separator or these is a string offset table elsewhere in the binary pointing to separate NSString objects? Thanks. (What I really want to do is the increase the length of one of the NSString, so I have to know how the loader recognize these separate objects)

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  • Python: Unpack arbitary length bits for database storage

    - by sberry2A
    I have a binary data format consisting of 18,000+ packed int64s, ints, shorts, bytes and chars. The data is packed to minimize it's size, so they don't always use byte sized chunks. For example, a number whose min and max value are 31, 32 respectively might be stored with a single bit where the actual value is bitvalue + min, so 0 is 31 and 1 is 32. I am looking for the most efficient way to unpack all of these for subsequent processing and database storage. Right now I am able to read any value by using either struct.unpack, or BitBuffer. I use struct.unpack for any data that starts on a bit where (bit-offset % 8 == 0 and data-length % 8 == 0) and I use BitBuffer for anything else. I know the offset and size of every packed piece of data, so what is going to be the fasted way to completely unpack them? Many thanks.

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  • jquery scrollpane and scrollTo at same time

    - by steve
    Current demo here: http://www.studioimbrue.com/sites/eliotdudik I have the tabs system working wonderfully. I'm trying to get it so that if you're down a ways on the gallery and then click "foreword" or any menu item, it scrolls you back to 0,0. The current sliding code is as follows: $('#wrapper ul li').click(function() { $(window).scrollTo($(this).next('li'), 500, {offset: {top:0, left:-50}}, {easing:'easeOutExpo'} ); }); And I'm trying to add something like this under it: $('#menu li').click(function() { $(window).scrollTo(0,0, 500, {offset: {top:0, left:-50}}, {easing:'easeOutExpo'} ); }); It continues switching tabs, but it won't scroll back to the beginning!

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  • How to append text to a text file in WinAPI?

    - by Bruce
    Hi guys, Ive got an annoying problem, I cant append any text to the text file. Every time I open it for writing, I overwrite the data. I tried to move the file pointer to the end of the file, but no result (no writing to the file at all). Here is the code: INVOKE CreateFile, offset filePath, GENERIC_WRITE, FILE_SHARE_WRITE, 0, OPEN_ALWAYS,FILE_ATTRIBUTE_NORMAL,0 mov hFile, eax mov edx, 10 INVOKE SetFilePointer, hFile, 0, 0, FILE_END INVOKE WriteFile, hFile, offset buffer, edx, ADDR SizeReadWrite, NULL INVOKE CloseHandle, hFile Any ideas? Thank you in advance!

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  • How does Mach-O loader loads different NSString objects?

    - by overboming
    I have known that If you define a bunch of @"" NSString objects in the source code in Mac OS. These NSStrings will be stored in a segment in the Mach-O library. Section sectname __ustring segname __TEXT addr 0x000b3b54 size 0x000001b7 offset 731988 align 2^1 (2) reloff 0 nreloc 0 flags 0x00000000 reserved1 0 reserved2 0 If I hex dump the binary, they are aligned closely one by one with a 0x0000as separator. What I want to know is how does the loader in Mac OS X load these NSStrings when the program runs? Are they loaded simpily by recognize the 0x0000 separator or these is a string offset table elsewhere in the binary pointing to separate NSString objects? Thanks. (What I really want to do is the increase the length of one of the NSString, so I have to know how the loader recognize these separate objects)

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  • how to parse from command line arguements in yacc ?

    - by user205688
    how to parse from command line arguements in yacc ? of course i undefined input in both lex & yacc and then wrote int input(void) { printf("in input\n:"); char c; if(target > limit) return 0; if((c = target[0][offset++]) != '\0') return (c); target++; offset =0; return (' '); } where target contains the command line arguements. But only the standard input is getting excueted how to make dis input function get executed.

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  • Does XAML design mode support more color than code view?

    - by Rahul Soni
    While working with SilverLight using Visual Studio 10, I found that in design mode XAML allows a wide plethora of colors. For ex. Lime is a valid color in XAML. <LinearGradientBrush EndPoint="1,0.5" StartPoint="0,0.5"> <GradientStop Color="Yellow" Offset="0" /> <GradientStop Color="Lime" Offset="1" /> While working with code though, I found that Lime and many other colors are missing... GradientStop blueGS = new GradientStop(); blueGS.Color = Colors.Lime; What am I missing? Both of these colors belong to System.Windows.Media.Colors.

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  • how to use TinyMCE(rich text editor) in google-maps info window..

    - by zjm1126
    this is the demo rar file:http://omploader.org/vM3U1bA when i drag the red block to the google-maps ,it will be changed to a marker, and it will has TinyMCE when you click the info window, but my program is : it can not be written when i click it the second time, the first time: the second time(can not be written): and my code is : <!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.0//EN" "http://www.wapforum.org/DTD/xhtml-mobile10.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <meta name="viewport" content="width=device-width,minimum-scale=0.3,maximum-scale=5.0,user-scalable=yes"> </head> <body onload="initialize()" onunload="GUnload()"> <style type="text/css"> *{ margin:0; padding:0; } </style> <!--<div style="width:100px;height:100px;background:blue;"> </div>--> <div id="map_canvas" style="width: 500px; height: 300px;"></div> <div class=b style="width: 20px; height: 20px;background:red;position:absolute;left:700px;top:200px;"></div> <div class=b style="width: 20px; height: 20px;background:red;position:absolute;left:700px;top:200px;"></div> <script src="jquery-1.4.2.js" type="text/javascript"></script> <script type="text/javascript" src="tiny_mce.js"></script> <script src="jquery-ui-1.8rc3.custom.min.js" type="text/javascript"></script> <script src="http://maps.google.com/maps?file=api&amp;v=2&amp;key=ABQIAAAA-7cuV3vqp7w6zUNiN_F4uBRi_j0U6kJrkFvY4-OX2XYmEAa76BSNz0ifabgugotzJgrxyodPDmheRA&sensor=false"type="text/javascript"></script> <script type="text/javascript"> var aFn; //********** function initialize() { if (GBrowserIsCompatible()) { var map = new GMap2(document.getElementById("map_canvas")); var center=new GLatLng(39.9493, 116.3975); map.setCenter(center, 13); aFn=function(x,y){ var point =new GPoint(x,y) point = map.fromContainerPixelToLatLng(point); //console.log(point.x+" "+point.y) var marker = new GMarker(point,{draggable:true}); var a=$( '<form method="post" action="" style="height:100px;overflow:hidden;width:220px;">'+ '<textarea id="" class="mce" name="content" cols="22" rows="5" style="border:none">sss</textarea>'+ '</form>') a.click(function(){ // }) GEvent.addListener(marker, "click", function() { marker.openInfoWindowHtml(a[0]); }); /****************** GEvent.addListener(marker, 'click', function() { marker.openInfoWindowHtml('<div contentEditable="true" ' + 'style="height: 100px; overflow: auto;">' + 'wwww</div>'); }); ***************/ map.addOverlay(marker); /********** var marker = new GMarker(point, {draggable: true}); GEvent.addListener(marker, "dragstart", function() { map.closeInfoWindow(); }); GEvent.addListener(marker, "dragend", function() { marker.openInfoWindowHtml("????..."); }); map.addOverlay(marker); //*/ } $(".b").draggable({ revert: true, revertDuration: 0 }); $("#map_canvas").droppable({ drop: function(event,ui) { //console.log(ui.offset.left+' '+ui.offset.top) aFn(event.pageX-$("#map_canvas").offset().left,event.pageY-$("#map_canvas").offset().top); } }); } } //********** $(".mce").live("click", function(){ var once=0; mce(); }); function mce(once){ if(once)return; tinyMCE.init({ // General options mode : "textareas", theme : "advanced", plugins : "safari,pagebreak,style,layer,table,save,advhr,advimage,advlink,emotions,iespell,inlinepopups,insertdatetime,preview,media,searchreplace,print,contextmenu,paste,directionality,fullscreen,noneditable,visualchars,nonbreaking,xhtmlxtras,template", // Theme options theme_advanced_buttons1 : "bold,forecolor,|,justifyleft,justifycenter,justifyright,|,fontsizeselect", theme_advanced_buttons2 : "", theme_advanced_buttons3 : "", theme_advanced_buttons4 : "", theme_advanced_toolbar_location : "top", theme_advanced_toolbar_align : "left", theme_advanced_statusbar_location : "bottom", theme_advanced_resizing : true, // Example content CSS (should be your site CSS) content_css : "css/example.css", // Drop lists for link/image/media/template dialogs template_external_list_url : "js/template_list.js", external_link_list_url : "js/link_list.js", external_image_list_url : "js/image_list.js", media_external_list_url : "js/media_list.js", // Replace values for the template plugin template_replace_values : { username : "Some User", staffid : "991234" } }); once=1; } //********** </script> </body> </html>

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  • c++ library for endian-aware reading of raw file stream metadata?

    - by Kache4
    I've got raw data streams from image files, like: vector<char> rawData(fileSize); ifstream inFile("image.jpg"); inFile.read(&rawData[0]); I want to parse the headers of different image formats for height and width. Is there a portable library that can can read ints, longs, shorts, etc. from the buffer/stream, converting for endianess as specified? I'd like to be able to do something like: short x = rawData.readLeShort(offset); or long y = rawData.readBeLong(offset) An even better option would be a lightweight & portable image metadata library (without the extra weight of an image manipulation library) that can work on raw image data. I've found that Exif libraries out there don't support png and gif.

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  • Specific Strings And NSScanner

    - by Garry
    I need to determine whether a string (sourceString) contains another string (queryString) and if it does, at what offset. I'm guessing that NSScanner might do the trick but I don't fully understand the documentation. Let's say sourceString = @"What's the weather in London today?" If I set queryString to equal @"What's the weather", I'd like a method that would determine that, in this case, YES (sourceString does contain queryString) and the offset is 0 (i.e. at the start of sourceString). Any suggestions?

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  • Detect if PCRE was built without the --enable-unicode-properties or --enable-utf8 configuration switches

    - by Mark Baker
    I've a PHP library that uses a number of regular expressions featuring the \P expressions for multibyte strings, e.g. ((((?:\P{M}\p{M}*)+?)|(\'[^\']*\')|(\"[^\"]*\"))!)?\$?([a-z]{1,3})\$?(\d+) While this works on most builds, I've had a few reports of the regexp returning an error. Depending on Operating platform, the error messages from PCRE are: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset n or Compilation failed: support for \\P, \\p, and \\X has not been compiled at offset n I know that I can probably test a regexp at the beginning of my code that uses \P, and trap for a returned error, then use that response to set a compatibility flag and provide a degraded (non UTF-8) regexp without the \P within the main body of my code based on that compatibility flag; but I was wondering if there was any simpler way to identify whether PCRE had been built without the --enable-unicode-properties or --enable-utf8 configuration switches. PHP provides access to PCRE_VERSION constant, but that won't help identify whether \P support is enabled or not.

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  • CSS3: Top align of list item

    - by Irishgirl
    CSS3: Top align of list item. See image as below. How can I align a blue arrow to align on top of a senetence of each list. I'm using jQuery 1.7 and it is for iOS (iPhone). ul.lists{ padding:0 0 15px 0;} ul.lists li{ line-height:18px; border-bottom:1px #bfeaf0 solid; padding:6px 12px; background:url(../images/arrow_cyan.svg) no-repeat left; } /* no-repeat left top; */ I've tried to include a js as offset $("li:last").offset({ top: -15 }); but it did not work properly because I don't know how to move all blue arrows to align each list even the sentence might might run into more than one line.

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  • Python: How to get a value of datetime.today() that is "timezone aware"?

    - by mindthief
    Hi, I am trying to subtract one date value from the value of datetime.today() to calculate how long ago something was. But it complains: TypeError: can't subtract offset-naive and offset-aware datetimes The value datetime.today() doesn't seem to be "timezone aware", while my other date value is. How do I get a value of datetime.today() that is timezone aware? Right now it's giving me the time in local time, which happens to be PST, i.e. UTC-8hrs. Worst case, is there a way I can manually enter a timezone value into the datetime object returned by datetime.today() and set it to UTC-8? Of course, the ideal solution would be for it to automatically know the timezone. Thanks!

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  • if the hide() jquery animate function set after animate(),it doesn't work?

    - by hh54188
    First I have a animate a iframe which id is "test" <iframe id="test" src=""></iframe> then I want animate it and hide it ,make a close effect like in MacOS: $('#test').animate({ 'width':0, 'height':0, 'top':$('input').offset().top, 'left':$('input').offset().left },function(){ //$(this).hide(); }).hide(); but it seems the iframe can not be hide.However,if I write it in the callback function that in animate,which is the annotated code above.It could work again. Here is online case So I wonder why the hide() after animate() doesn't work?Do I miss something ?

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