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  • How long does it take to iterate through a long loop?

    - by Carl Rosenberger
    On a modern 64-Bit machine, how long do you think it takes to iterate through all the positive long numbers? Below is a code snippet in Java to demonstrate the idea. Without running the code yourself, how long do you think this code is going to run? How long will similar code run in other programming languages? public class LongLoop { public static void main(String[] args) { long startTime = System.currentTimeMillis(); for (long i = 0; i < Long.MAX_VALUE; i++) { // do nothing, just loop } long stopTime = System.currentTimeMillis(); long duration = stopTime - startTime; System.out.println("Time taken: " + duration + " milliseconds"); } }

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  • How to produce precisely-timed tone and silence?

    - by Bob Denny
    I have a C# project that plays Morse code for RSS feeds. I write it using Managed DirectX, only to discover that Managed DirectX is old and deprecated. The task I have is to play pure sine wave bursts interspersed with silence periods (the code) which are precisely timed as to their duration. I need to be able to call a function which plays a pure tone for so many milliseconds, then Thread.Sleep() then play another, etc. At its fastest, the tones and spaces can be as short as 40ms. It's working quite well in Managed DirectX. To get the precisely timed tone I create 1 sec. of sine wave into a secondary buffer, then to play a tone of a certain duration I seek forward to within x milliseconds of the end of the buffer then play. I've tried System.Media.SoundPlayer. It's a loser because you have to Play(), Sleep(), then Stop() for arbitrary tone lengths. The result is a tone that is too long, variable by CPU load. It takes an indeterminate amount of time to actually stop the tone. I then embarked on a lengthy attempt to use NAudio 1.3. I ended up with a memory resident stream providing the tone data, and again seeking forward leaving the desired length of tone remaining in the stream, then playing. This worked OK on the DirectSoundOut class for a while (see below) but the WaveOut class quickly dies with an internal assert saying that buffers are still on the queue despite PlayerStopped = true. This is odd since I play to the end then put a wait of the same duration between the end of the tone and the start of the next. You'd think that 80ms after starting Play of a 40 ms tone that it wouldn't have buffers on the queue. DirectSoundOut works well for a while, but its problem is that for every tone burst Play() it spins off a separate thread. Eventually (5 min or so) it just stops working. You can see thread after thread after thread exiting in the Output window while running the project in VS2008 IDE. I don't create new objects during playing, I just Seek() the tone stream then call Play() over and over, so I don't think it's a problem with orphaned buffers/whatever piling up till it's choked. I'm out of patience on this one, so I'm asking in the hopes that someone here has faced a similar requirement and can steer me in a direction with a likely solution.

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  • jQuery hover function

    - by Daniel Hertz
    So I have a hover function that is supposed to move an arrow under the corrent the link that someone hovers over. The problem is, the arrow never returns to the current link when the person stops hovering over the link. However, if I set the left properly with a constant value it works. Anyone have any ideas? var currentId = '#' + $('body').attr('id') + '_link'; var xCordCurrent = $(currentId).offset().left - ($('#arrow').width() / 2); var xCordHover = $(event.target).offset().left + ($(event.target).width() / 2) - ($('#arrow').width() / 2); $('#arrow').animate( { left: xCordHover }, { duration: 'slow', easing: 'easeOutBack' }) }, function(event) { $('#arrow').animate( { left: xCordCurrent }, { duration: 'slow', easing: 'easeOutBack' }) });

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  • VB.NET equivalent of Timeout.bas Module from VB6

    - by user557889
    Hi all. I am looking for the VB.NET code of a very handy little *.bas file I used to use in Visual Basic 6. The file was called timeout.bas and it was the greatest module ever to me. I want to switch to start using VB.NET finally but this single file is holding me back. Trying to use .NET without it is like crippling me. Can someone, anyone please make this code work in .NET for me? It's only a couple lines: Attribute VB_Name = "Module1" Sub timeout(duration) starttime = Timer Do While Timer - starttime < duration DoEvents Loop End Sub Basically you add that timeout.bas file which contains that code and you can just do: Text1.text = "hello" timeout .5 Text1.text "World!" It's so awesome. Anyone PLEASE re-do it in VB.NET for me! Thanks!

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  • Jquery mouseover event issues

    - by Shaun
    Hi I am currently working on a project where I am using jQuery to animate a block of text on mouse over. The event listener is on the containing div (as shown by the code below) and works really well until the mouse is over the title (.views-field-title) which is absolutely above the containing div. The animation begins to jump almost as though it is starting over? What am I doing wrong? $('#interior_design .views-row').mouseover(function(){ $('.views-field-title', this).stop(true, true).animate( { height: '+=10px' }, { duration: 'fast'}); }); $('#interior_design .views-row').mouseout(function(){ $('.views-field-title', this).stop(true, true).animate( { height: '-=10px' }, { duration: 'fast'}); }); Link to dev server: http://viva.bangtest.co.uk/interior-design Note: this site is still in development as such the jQuery is only on the above linked page currently. I'm open to all suggestions.

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  • Need help on Coda slider tabs to move inside an overflow:hidden div

    - by Reden
    I'm not too good at javascript. and hope I can get a bit of help. I'm using Coda Slider 2.0, and have designed it to where the tabs are another slider to the right of the main slider, and each item. Basically like this mootools plugin http://landofcoder.com/demo/mootool/lofslidernews/index2.1.html Problem is the items will not scroll. How do I make the items (or tabs to the right) scroll down as the slider rotates? Otherwise the slider will show the 4th slide but not scroll to the 4th item on the right, but Thanks everyone. Here is the Coda-Slider plugin: // when the DOM is ready... $(document).ready(function () { var $panels = $('#slider .scrollContainer > div'); var $container = $('#slider .scrollContainer'); // if false, we'll float all the panels left and fix the width // of the container var horizontal = true; // float the panels left if we're going horizontal if (horizontal) { $panels.css({ 'float' : 'left', 'position' : 'relative' // IE fix to ensure overflow is hidden }); // calculate a new width for the container (so it holds all panels) $container.css('width', $panels[0].offsetWidth * $panels.length); } // collect the scroll object, at the same time apply the hidden overflow // to remove the default scrollbars that will appear var $scroll = $('#slider .scroll').css('overflow', 'hidden'); // apply our left + right buttons $scroll .before('<img class="scrollButtons left" src="images/scroll_left.png" />') .after('<img class="scrollButtons right" src="images/scroll_right.png" />'); // handle nav selection function selectNav() { $(this) .parents('ul:first') .find('a') .removeClass('selected') .end() .end() .addClass('selected'); } $('#slider .navigation').find('a').click(selectNav); // go find the navigation link that has this target and select the nav function trigger(data) { var el = $('#slider .navigation').find('a[href$="' + data.id + '"]').get(0); selectNav.call(el); } if (window.location.hash) { trigger({ id : window.location.hash.substr(1) }); } else { $('ul.navigation a:first').click(); } // offset is used to move to *exactly* the right place, since I'm using // padding on my example, I need to subtract the amount of padding to // the offset. Try removing this to get a good idea of the effect var offset = parseInt((horizontal ? $container.css('paddingTop') : $container.css('paddingLeft')) || 0) * -1; var scrollOptions = { target: $scroll, // the element that has the overflow // can be a selector which will be relative to the target items: $panels, navigation: '.navigation a', // selectors are NOT relative to document, i.e. make sure they're unique prev: 'img.left', next: 'img.right', // allow the scroll effect to run both directions axis: 'xy', onAfter: trigger, // our final callback offset: offset, // duration of the sliding effect duration: 500, // easing - can be used with the easing plugin: // http://gsgd.co.uk/sandbox/jquery/easing/ easing: 'swing' }; // apply serialScroll to the slider - we chose this plugin because it // supports// the indexed next and previous scroll along with hooking // in to our navigation. $('#slider').serialScroll(scrollOptions); // now apply localScroll to hook any other arbitrary links to trigger // the effect $.localScroll(scrollOptions); // finally, if the URL has a hash, move the slider in to position, // setting the duration to 1 because I don't want it to scroll in the // very first page load. We don't always need this, but it ensures // the positioning is absolutely spot on when the pages loads. scrollOptions.duration = 1; $.localScroll.hash(scrollOptions); /////////////////////////////////////////////// // autoscroll /////////////////////////////////////////////// // start to automatically cycle the tabs cycleTimer = setInterval(function () { $scroll.trigger('next'); }, 2000); // how many milliseconds, change this to whatever you like // select some trigger elements to stop the auto-cycle var $stopTriggers = $('#slider .navigation').find('a') // tab headers .add('.scroll') // panel itself .add('.stopscroll') // links to the stop class div .add('.navigation') // links to navigation id for tabs .add("a[href^='#']"); // links to a tab // this is the function that will stop the auto-cycle function stopCycle() { // remove the no longer needed stop triggers clearInterval(cycleTimer); // stop the auto-cycle itself $buttons.show(); // show the navigation buttons document.getElementById('stopscroll').style.display='none'; // hide the stop div document.getElementById('startscroll').style.display='block'; // block the start div } // bind stop cycle function to the click event using namespaces $stopTriggers.bind('click.cycle', stopCycle); /////////////////////////////////////////////// // end autoscroll /////////////////////////////////////////////// // edit to start again /////////////////////////////////////////////// // select some trigger elements to stop the auto-cycle var $startTriggers_start = $('#slider .navigation').find('a') // tab headers .add('.startscroll'); // links to the start class div // this is the function that will stop the auto-cycle function startCycle() { // remove the no longer needed stop triggers $buttons.hide(); // show the navigation buttons $scroll.trigger('next'); // directly to the next first cycleTimer = setInterval(function () { // now set timer again $scroll.trigger('next'); }, 5000); // how many milliseconds, change this to whatever you like document.getElementById('stopscroll').style.display='block'; // block the stop div document.getElementById('startscroll').style.display='none'; // hide the start div } // bind stop cycle function to the click event using namespaces $startTriggers_start.bind('click.cycle', startCycle); /////////////////////////////////////////////// // end edit to start /////////////////////////////////////////////// });

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  • Where clause in joins vs Where clause in Sub Query

    - by Kanavi
    DDL create table t ( id int Identity(1,1), nam varchar(100) ) create table t1 ( id int Identity(1,1), nam varchar(100) ) DML Insert into t( nam)values( 'a') Insert into t( nam)values( 'b') Insert into t( nam)values( 'c') Insert into t( nam)values( 'd') Insert into t( nam)values( 'e') Insert into t( nam)values( 'f') Insert into t1( nam)values( 'aa') Insert into t1( nam)values( 'bb') Insert into t1( nam)values( 'cc') Insert into t1( nam)values( 'dd') Insert into t1( nam)values( 'ee') Insert into t1( nam)values( 'ff') Query - 1 Select t.*, t1.* From t t Inner join t1 t1 on t.id = t1.id Where t.id = 1 Query 1 SQL profiler Result Reads = 56, Duration = 4 Query - 2 Select T1.*, K.* from ( Select id, nam from t Where id = 1 )K Inner Join t1 T1 on T1.id = K.id Query 2 SQL Profiler Results Reads = 262 and Duration = 2 You can also see my SQlFiddle Query - Which query should be used and why?

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  • willAnimateSecondHalfOfRotationFromInterfaceOrientation not called in root view controller

    - by pJosh
    I have created the one rootviewcontroller , and then make that geosensitive by writing - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { return YES; } In rootviewcontroller willAnimateSecondHalfOfRotationFromInterfaceOrientation method is called and images are resizing. I also have some views on it, but when I rotate the screen the view will be rotate but the images are not resizing though I have used the same -(void)willAnimateSecondHalfOfRotationFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation duration:(NSTimeInterval)duration { UIInterfaceOrientation toOrientation = self.interfaceOrientation; } method but it cannot called. So, what can I do? Please help me.

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  • Possible to link an image in a playlist to a URL, with Flowplayer?

    - by Yegor
    I have a simple Flowplayer playlist. First one plays a short clip, which then cuts off, and an image is displayed. Is there a way to make the image clickable? here is what I have: <a style="display:block;width:640px;height:360px" id="player"> </a> <script> flowplayer("player", "../flowplayer-3.1.5.swf", { playlist: [ {url: 'http://e1h13.simplecdn.net/flowplayer/flowplayer.flv', duration: 10}, {url: 'http://www.domain.com/image.jpg', duration: 100000}, ], plugins: { controls: null } }); </script> If there is another way of doing this, Im all ears. I need a video to play for 10 seconds (or entirely, since the file is gonna be 10 seconds long), and then display some text + a URL.

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  • Using resource values as layout attributes (config.xml)

    - by synic
    Looking in the android sdk folders, I've found a file called values/config.xml. This seems to be somewhere that you can define values for later use in layouts and animations. Given the config.xml: <resources> <string name="config_somePadding">50dip</string> </resources> How would I reference this to use as the layout_height in a layout xml file? @string/config_somePadding is actually the only one I've found that doesn't throw an error in Eclipse (even though there isn't a config_somePadding in values/strings.xml), but it appears to just put an empty string. In the sdk, they use an integer for animation duration. They reference it like this: android:duration="@android:integer/config_longAnimTime". Is there a way to use values that aren't integers in the layout_height attribute?

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  • Chaining animations and memory management

    - by bryan1967
    Hey Everyone, Got a question. I have a subclassed UIView that is acting as my background where I am scrolling the ground. The code is working really nice and according to the Instrumentation, I am not leaking nor is my created and still living Object allocation growing. I have discovered else where in my application that adding an animation to a UIImageView that is owned by my subclassed UIView seems to bump up my retain count and removing all animations when I am done drops it back down. My question is this, when you add an animation to a layer with a key, I am assuming that if there is already a used animation in that entry position in the backing dictionary that it is released and goes into the autorelease pool? For example: - (void)animationDidStop:(CAAnimation *)theAnimation finished:(BOOL)flag { NSString *keyValue = [theAnimation valueForKey:@"name"]; if ( [keyValue isEqual:@"step1"] && flag ) { groundImageView2.layer.position = endPos; CABasicAnimation *position = [CABasicAnimation animationWithKeyPath:@"position"]; position.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear]; position.toValue = [NSValue valueWithCGPoint:midEndPos]; position.duration = (kGroundSpeed/3.8); position.fillMode = kCAFillModeForwards; [position setDelegate:self]; [position setRemovedOnCompletion:NO]; [position setValue:@"step2-1" forKey:@"name"]; [groundImageView2.layer addAnimation:position forKey:@"positionAnimation"]; groundImageView1.layer.position = startPos; position = [CABasicAnimation animationWithKeyPath:@"position"]; position.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear]; position.toValue = [NSValue valueWithCGPoint:midStartPos]; position.duration = (kGroundSpeed/3.8); position.fillMode = kCAFillModeForwards; [position setDelegate:self]; [position setRemovedOnCompletion:NO]; [position setValue:@"step2-2" forKey:@"name"]; [groundImageView1.layer addAnimation:position forKey:@"positionAnimation"]; } else if ( [keyValue isEqual:@"step2-2"] && flag ) { groundImageView1.layer.position = midStartPos; CABasicAnimation *position = [CABasicAnimation animationWithKeyPath:@"position"]; position.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear]; position.toValue = [NSValue valueWithCGPoint:endPos]; position.duration = 12; position.fillMode = kCAFillModeForwards; [position setDelegate:self]; [position setRemovedOnCompletion:NO]; [position setValue:@"step1" forKey:@"name"]; [groundImageView1.layer addAnimation:position forKey:@"positionAnimation"]; } } This chains animations infinitely, and as I said one it is running the created and living object allocation doesn't change. I am assuming everytime I add an animation the one that exists in that key position is released. Just wondering I am correct. Also, I am relatively new to Core Animation. I tried to play around with re-using the animations but got a little impatient. Is it possible to reuse animations? Thanks! Bryan

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  • Excel Question: I need a date and time formula to convert between time zones

    - by Harold Nottingham
    Hello, I am trying to find a way to calculate a duration in days between my, time zone (Central), and (Pacific; Mountain; Eastern). Just do not know where to start. My criteria would be as follows: Cell C5:C100 would be the timestamps in this format:3/18/2010 23:45 but for different dates and times. Cell D5:D100 would be the corresponding timezone in text form: Pacific; Mountain; Eastern; Central. Cell F5 would be where the duration in days would need to be. Just not sure how to write the formula to give me what I am looking for. I appreciate any assistance in advance. Thanks

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  • no Jquery only Javascrip fadein function with cleartype fot text

    - by Chetan
    Sorry guys.. I am not familiar with JavaScrip anymore but I need to add clear type of some thing which can make text anti-aliased in IE7 browser. My script as follow // JavaScript Document var CurrentDivIndex=0; var TimeOutValue; var btn; var TimeToFade = 1000.0; function ShowDivSlideShow() { try { if(CurrentDivIndex == 5) CurrentDivIndex=0; CurrentDivIndex++; //alert("Banner" + CurrentDivIndex); //alert(CurrentDivIndex); var Indexer=1; while(Indexer<6) { var DivToShow=document.getElementById("Banner" + Indexer); DivToShow.style.display = "none"; btn=document.getElementById("btnb" + Indexer); btn.setAttribute("class","none"); Indexer++; } var DivToShow=document.getElementById("Banner" + CurrentDivIndex); DivToShow.style.display = "block"; btn=document.getElementById("btnb" + CurrentDivIndex); btn.setAttribute("class","activeSlide"); // btn.className="activeSlide"; fadeIn(); TimeOutValue=setTimeout("ShowDivSlideShow()",6000); } catch(err) { alert(err) } } function ShowCustomDiv(CurrentDivIndexRec) { clearTimeout(TimeOutValue) CurrentDivIndex=CurrentDivIndexRec var Indexer=1; while(Indexer<6) { if(CurrentDivIndex==Indexer) { Indexer++; continue; } var DivToShow=document.getElementById("Banner" + Indexer); DivToShow.style.display = "none"; btn=document.getElementById("btnb" + Indexer); btn.setAttribute("class","none"); Indexer++; } var DivToShow=document.getElementById("Banner" + CurrentDivIndex); DivToShow.style.display = "block"; btn=document.getElementById("btnb" + CurrentDivIndex); btn.setAttribute("class","activeSlide"); btn.className="activeSlide" fadeIn(); } function ShowDivSlideShowWithTimeOut(CurrentDivIndexRec) { clearTimeout(TimeOutValue) CurrentDivIndex=CurrentDivIndexRec; var Indexer=1; while(Indexer<6) { if(CurrentDivIndex==Indexer) { Indexer++; continue; } var DivToShow=document.getElementById("Banner" + Indexer); DivToShow.style.display = "none"; btn=document.getElementById("btnb" + Indexer); btn.setAttribute("class","none"); Indexer++; } var DivToShow=document.getElementById("Banner" + CurrentDivIndexRec); DivToShow.style.display = "block"; btn=document.getElementById("btnb" + CurrentDivIndexRec); btn.setAttribute("class","activeSlide"); TimeOutValue=setTimeout("ShowDivSlideShow()",6000); } function ShowCustomDivOnClick(CurrentDivIndexRec) { clearTimeout(TimeOutValue) CurrentDivIndex=CurrentDivIndexRec; var Indexer=1; while(Indexer<6) { if(CurrentDivIndex==Indexer) { Indexer++; continue; } var DivToShow=document.getElementById("Banner" + Indexer); DivToShow.style.display = "none"; btn=document.getElementById("btnb" + Indexer); btn.setAttribute("class","none"); Indexer++; } var DivToShow=document.getElementById("Banner" + CurrentDivIndexRec); DivToShow.style.display = "block"; btn=document.getElementById("btnb" + CurrentDivIndexRec); btn.setAttribute("class","activeSlide"); fadeIn(); TimeOutValue=setTimeout("ShowDivSlideShow()",6000); } function setOpacity(level) { element=document.getElementById("Banner" + CurrentDivIndex); element.style.opacity = level; element.style.MozOpacity = level; element.style.KhtmlOpacity = level; element.style.filter = "alpha(opacity=" + (level * 100) + ");"; } var duration = 300; /* 1000 millisecond fade = 1 sec */ var steps = 10; /* number of opacity intervals */ var delay = 6000; /* 5 sec delay before fading out */ function fadeIn(){ for (i = 0; i <= 1; i += (1 / steps)) { setTimeout("setOpacity(" + i + ")", i * duration); } // setTimeout("fadeOut()", delay); } function fadeOut() { for (i = 0; i <= 1; i += (1 / steps)) { setTimeout("setOpacity(" + (1 - i) + ")", i * duration); } setTimeout("fadeIn()", duration); } //end of script Now I am very confused where to add : $('#slideshow').cycle({ cleartype: 1 // enable cleartype corrections }); or $('#fadingElement').fadeIn(2000, function(){ $(this).css('filter',''); }); so it will work... Please Help me...

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  • How to embed a progressbar into a HTML form?

    - by Noah Brainey
    I have this code below and want it to show the progress of a form submission of a file upload. I want it to work on my website visit it through this IP (24.148.156.217). So if you saw the website I want the progress bar to be displayed when the user fills in the information and then hits the submit button. Then the progress bar displays with the time until it's finished. <style> <!-- .hide { position:absolute; visibility:hidden; } .show { position:absolute; visibility:visible; } --> </style> <SCRIPT LANGUAGE="JavaScript"> //Progress Bar script- by Todd King ([email protected]) //Modified by JavaScript Kit for NS6, ability to specify duration //Visit JavaScript Kit (http://javascriptkit.com) for script var duration=3 // Specify duration of progress bar in seconds var _progressWidth = 50; // Display width of progress bar. var _progressBar = "|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||" var _progressEnd = 5; var _progressAt = 0; // Create and display the progress dialog. // end: The number of steps to completion function ProgressCreate(end) { // Initialize state variables _progressEnd = end; _progressAt = 0; // Move layer to center of window to show if (document.all) { // Internet Explorer progress.className = 'show'; progress.style.left = (document.body.clientWidth/2) - (progress.offsetWidth/2); progress.style.top = document.body.scrollTop+(document.body.clientHeight/2) - (progress.offsetHeight/2); } else if (document.layers) { // Netscape document.progress.visibility = true; document.progress.left = (window.innerWidth/2) - 100+"px"; document.progress.top = pageYOffset+(window.innerHeight/2) - 40+"px"; } else if (document.getElementById) { // Netscape 6+ document.getElementById("progress").className = 'show'; document.getElementById("progress").style.left = (window.innerWidth/2)- 100+"px"; document.getElementById("progress").style.top = pageYOffset+(window.innerHeight/2) - 40+"px"; } ProgressUpdate(); // Initialize bar } // Hide the progress layer function ProgressDestroy() { // Move off screen to hide if (document.all) { // Internet Explorer progress.className = 'hide'; } else if (document.layers) { // Netscape document.progress.visibility = false; } else if (document.getElementById) { // Netscape 6+ document.getElementById("progress").className = 'hide'; } } // Increment the progress dialog one step function ProgressStepIt() { _progressAt++; if(_progressAt > _progressEnd) _progressAt = _progressAt % _progressEnd; ProgressUpdate(); } // Update the progress dialog with the current state function ProgressUpdate() { var n = (_progressWidth / _progressEnd) * _progressAt; if (document.all) { // Internet Explorer var bar = dialog.bar; } else if (document.layers) { // Netscape var bar = document.layers["progress"].document.forms["dialog"].bar; n = n * 0.55; // characters are larger } else if (document.getElementById){ var bar=document.getElementById("bar") } var temp = _progressBar.substring(0, n); bar.value = temp; } // Demonstrate a use of the progress dialog. function Demo() { ProgressCreate(10); window.setTimeout("Click()", 100); } function Click() { if(_progressAt >= _progressEnd) { ProgressDestroy(); return; } ProgressStepIt(); window.setTimeout("Click()", (duration-1)*1000/10); } function CallJS(jsStr) { //v2.0 return eval(jsStr) } </script> <SCRIPT LANGUAGE="JavaScript"> // Create layer for progress dialog document.write("<span id=\"progress\" class=\"hide\">"); document.write("<FORM name=dialog id=dialog>"); document.write("<TABLE border=2 bgcolor=\"#FFFFCC\">"); document.write("<TR><TD ALIGN=\"center\">"); document.write("Progress<BR>"); document.write("<input type=text name=\"bar\" id=\"bar\" size=\"" + _progressWidth/2 + "\""); if(document.all||document.getElementById) // Microsoft, NS6 document.write(" bar.style=\"color:navy;\">"); else // Netscape document.write(">"); document.write("</TD></TR>"); document.write("</TABLE>"); document.write("</FORM>"); document.write("</span>"); ProgressDestroy(); // Hides </script> <form name="form1" method="post"> <center> <input type="button" name="Demo" value="Display progress" onClick="CallJS('Demo()')"> </center> </form> <a href="javascript:CallJS('Demo()')">Text link example</a>

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  • How to add/remove rows using SlickGrid

    - by lkahtz
    How to write such functions and bind them to two buttons like "add row" and "remove row": The now working example code only support adding new row by editing on the blank bottom line. <!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <title>SlickGrid example 3: Editing</title> <link rel="stylesheet" href="../slick.grid.css" type="text/css"/> <link rel="stylesheet" href="../css/smoothness/jquery-ui-1.8.16.custom.css" type="text/css"/> <link rel="stylesheet" href="examples.css" type="text/css"/> <style> .cell-title { font-weight: bold; } .cell-effort-driven { text-align: center; } </style> </head> <body> <div style="position:relative"> <div style="width:600px;"> <div id="myGrid" style="width:100%;height:500px;"></div> </div> <div class="options-panel"> <h2>Demonstrates:</h2> <ul> <li>adding basic keyboard navigation and editing</li> <li>custom editors and validators</li> <li>auto-edit settings</li> </ul> <h2>Options:</h2> <button onclick="grid.setOptions({autoEdit:true})">Auto-edit ON</button> &nbsp; <button onclick="grid.setOptions({autoEdit:false})">Auto-edit OFF</button> </div> </div> <script src="../lib/firebugx.js"></script> <script src="../lib/jquery-1.7.min.js"></script> <script src="../lib/jquery-ui-1.8.16.custom.min.js"></script> <script src="../lib/jquery.event.drag-2.0.min.js"></script> <script src="../slick.core.js"></script> <script src="../plugins/slick.cellrangedecorator.js"></script> <script src="../plugins/slick.cellrangeselector.js"></script> <script src="../plugins/slick.cellselectionmodel.js"></script> <script src="../slick.formatters.js"></script> <script src="../slick.editors.js"></script> <script src="../slick.grid.js"></script> <script> function requiredFieldValidator(value) { if (value == null || value == undefined || !value.length) { return {valid: false, msg: "This is a required field"}; } else { return {valid: true, msg: null}; } } var grid; var data = []; var columns = [ {id: "title", name: "Title", field: "title", width: 120, cssClass: "cell-title", editor: Slick.Editors.Text, validator: requiredFieldValidator}, {id: "desc", name: "Description", field: "description", width: 100, editor: Slick.Editors.LongText}, {id: "duration", name: "Duration", field: "duration", editor: Slick.Editors.Text}, {id: "%", name: "% Complete", field: "percentComplete", width: 80, resizable: false, formatter: Slick.Formatters.PercentCompleteBar, editor: Slick.Editors.PercentComplete}, {id: "start", name: "Start", field: "start", minWidth: 60, editor: Slick.Editors.Date}, {id: "finish", name: "Finish", field: "finish", minWidth: 60, editor: Slick.Editors.Date}, {id: "effort-driven", name: "Effort Driven", width: 80, minWidth: 20, maxWidth: 80, cssClass: "cell-effort-driven", field: "effortDriven", formatter: Slick.Formatters.Checkmark, editor: Slick.Editors.Checkbox} ]; var options = { editable: true, enableAddRow: true, enableCellNavigation: true, asyncEditorLoading: false, autoEdit: false }; $(function () { for (var i = 0; i < 500; i++) { var d = (data[i] = {}); d["title"] = "Task " + i; d["description"] = "This is a sample task description.\n It can be multiline"; d["duration"] = "5 days"; d["percentComplete"] = Math.round(Math.random() * 100); d["start"] = "01/01/2009"; d["finish"] = "01/05/2009"; d["effortDriven"] = (i % 5 == 0); } grid = new Slick.Grid("#myGrid", data, columns, options); grid.setSelectionModel(new Slick.CellSelectionModel()); grid.onAddNewRow.subscribe(function (e, args) { var item = args.item; grid.invalidateRow(data.length); data.push(item); grid.updateRowCount(); grid.render(); }); }) </script> </body> </html>

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  • Are there ways to improve NHibernate's performance regarding entity instantiation?

    - by denny_ch
    Hi folks, while profiling NHibernate with NHProf I noticed that a lot of time is spend for entity building or at least spend outside the query duration (database roundtrip). The project I'm currently working on prefetches some static data (which goes into the 2nd level cache) at application start. There are about 3000 rows in the result set (and maybe 30 columns) that is queried in 75 ms. The overall duration observed by NHProf is about 13 SECONDS! Is this typical beheviour? I know that NHibernate shouldn't be used for bulk operations, but I didn't thought that entity instantiation would be so expensive. Are there ways to improve performance in such situations or do I have to live with it? Thx, denny_ch

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  • make jquery animation faster

    - by darkandcold
    Hello, while loading a page i am using a animation, wid=jQuery(window).width()+400; jQuery('#div').animate({'marginLeft' : '+='+wid+'px'},{queue:false, duration:20000 }) div, is being moved to left in 20 sec. I use this animation for loading page. when page is loaded <body onload=myfunction()> is called. when myfunction is called (page is loadad completly) i want to my animation faster. how to change an animation duration while it's animating?

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  • Programatically WPF Fade In (via extension methods)

    - by Dinis Cruz
    I'm trying to write a simple (stand alone) C# extension method to do a Fade-In of a generic WPF UIElement, but the solutions (and code samples) that I found all contain a large number of moving parts (like setting up a story, etc...) For reference here is an example of the type of API method I would like to create. This code will rotate an UIElement according to the values provided (fromValue, toValue, duration and loop) public static T rotate<T>(this T uiElement, double fromValue, double toValue, int durationInSeconds, bool loopAnimation) where T : UIElement { return (T)uiElement.wpfInvoke( ()=>{ DoubleAnimation doubleAnimation = new DoubleAnimation(fromValue, toValue, new Duration(TimeSpan.FromSeconds(durationInSeconds))); RotateTransform rotateTransform = new RotateTransform(); uiElement.RenderTransform = rotateTransform; uiElement.RenderTransformOrigin = new System.Windows.Point(0.5, 0.5); if (loopAnimation) doubleAnimation.RepeatBehavior = RepeatBehavior.Forever; rotateTransform.BeginAnimation(RotateTransform.AngleProperty, doubleAnimation); return uiElement; }); }

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  • CSS3 Continous Rotate Animation (Just like a loading sundial)

    - by Gcoop
    Hi, I am trying to replicate an Apple style activity indicator (sundial loading icon) by using a PNG and CSS3 animation. I have the image rotating and doing it continuously, but there seems to be a delay after the animation has finished before it does the next rotation. @-webkit-keyframes rotate { from { -webkit-transform: rotate(0deg); } to { -webkit-transform: rotate(360deg); } } #loading img { -webkit-animation-name: rotate; -webkit-animation-duration: 0.5s; -webkit-animation-iteration-count: infinite; -webkit-transition-timing-function: linear; } I have tried changing the animation duration but it makes no difference, if you slow it right down say 5s its just more apparent that after the first rotation there is a pause before it rotates again. It's this pause I want to get rid of. Any help is much appreciated, thanks.

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  • Is there any performance overhead in using RaiseEvent in .net

    - by Sachin
    Is there any performance overhead in using RaiseEvent in .net I have a code which is similar to following. Dim _startTick As Integer = Environment.TickCount 'Do some Task' Dim duration As Integer = Environment.TickCount - _startTick Logger.Debug("Time taken : {0}", duration) RaiseEvent Datareceived() Above code returns Time Taken :1200 Time Taken :1400 But if remove RaiseEvent it returns Time Taken :110 Time Taken :121 I am surprised that the raiseevent is called after the logging of time taken. How it effects total time taken. I am working on Compact framework. Update: In the Eventhandler I had given a MsgBox. When I removed the message box it is now showing time taken as 110,121,etc i.e. less that 500 milliseconds. If I put the Msgbox back in eventhandler it shows 1200,1400,etc i.e. more that a second. More surprised now.(Event is raised after the logging part)

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  • Windows media player control with .NET

    - by brovar
    What I want to do is to read media files (pics and videos) from a directory and display them one by one using the WMP control (AxWMPLib.AxWindowsMediaPlayer). In its older version it was enough to check the file's duration to distinguish images from videos, the new one randomly shows movies' duration properly or as zero. Does anyone know any other way of finding out what file is being proceeded withouth checking its extension (as a file can have an extension of .abc or so)? I'll be very grateful for any help. (Sorry for my lousy English.)

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  • Can I avoid a threaded UDP socket in Python dropping data?

    - by 666craig
    First off, I'm new to Python and learning on the job, so be gentle! I'm trying to write a threaded Python app for Windows that reads data from a UDP socket (thread-1), writes it to file (thread-2), and displays the live data (thread-3) to a widget (gtk.Image using a gtk.gdk.pixbuf). I'm using queues for communicating data between threads. My problem is that if I start only threads 1 and 3 (so skip the file writing for now), it seems that I lose some data after the first few samples. After this drop it looks fine. Even by letting thread 1 complete before running thread 3, this apparent drop is still there. Apologies for the length of code snippet (I've removed the thread that writes to file), but I felt removing code would just prompt questions. Hope someone can shed some light :-) import socket import threading import Queue import numpy import gtk gtk.gdk.threads_init() import gtk.glade import pygtk class readFromUDPSocket(threading.Thread): def __init__(self, socketUDP, readDataQueue, packetSize, numScans): threading.Thread.__init__(self) self.socketUDP = socketUDP self.readDataQueue = readDataQueue self.packetSize = packetSize self.numScans = numScans def run(self): for scan in range(1, self.numScans + 1): buffer = self.socketUDP.recv(self.packetSize) self.readDataQueue.put(buffer) self.socketUDP.close() print 'myServer finished!' class displayWithGTK(threading.Thread): def __init__(self, displayDataQueue, image, viewArea): threading.Thread.__init__(self) self.displayDataQueue = displayDataQueue self.image = image self.viewWidth = viewArea[0] self.viewHeight = viewArea[1] self.displayData = numpy.zeros((self.viewHeight, self.viewWidth, 3), dtype=numpy.uint16) def run(self): scan = 0 try: while True: if not scan % self.viewWidth: scan = 0 buffer = self.displayDataQueue.get(timeout=0.1) self.displayData[:, scan, 0] = numpy.fromstring(buffer, dtype=numpy.uint16) self.displayData[:, scan, 1] = numpy.fromstring(buffer, dtype=numpy.uint16) self.displayData[:, scan, 2] = numpy.fromstring(buffer, dtype=numpy.uint16) gtk.gdk.threads_enter() self.myPixbuf = gtk.gdk.pixbuf_new_from_data(self.displayData.tostring(), gtk.gdk.COLORSPACE_RGB, False, 8, self.viewWidth, self.viewHeight, self.viewWidth * 3) self.image.set_from_pixbuf(self.myPixbuf) self.image.show() gtk.gdk.threads_leave() scan += 1 except Queue.Empty: print 'myDisplay finished!' pass def quitGUI(obj): print 'Currently active threads: %s' % threading.enumerate() gtk.main_quit() if __name__ == '__main__': # Create socket (IPv4 protocol, datagram (UDP)) and bind to address socketUDP = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) host = '192.168.1.5' port = 1024 socketUDP.bind((host, port)) # Data parameters samplesPerScan = 256 packetsPerSecond = 1200 packetSize = 512 duration = 1 # For now, set a fixed duration to log data numScans = int(packetsPerSecond * duration) # Create array to store data data = numpy.zeros((samplesPerScan, numScans), dtype=numpy.uint16) # Create queue for displaying from readDataQueue = Queue.Queue(numScans) # Build GUI from Glade XML file builder = gtk.Builder() builder.add_from_file('GroundVue.glade') window = builder.get_object('mainwindow') window.connect('destroy', quitGUI) view = builder.get_object('viewport') image = gtk.Image() view.add(image) viewArea = (1200, samplesPerScan) # Instantiate & start threads myServer = readFromUDPSocket(socketUDP, readDataQueue, packetSize, numScans) myDisplay = displayWithGTK(readDataQueue, image, viewArea) myServer.start() myDisplay.start() gtk.gdk.threads_enter() gtk.main() gtk.gdk.threads_leave() print 'gtk.main finished!'

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  • jQuery .live() not working.

    - by Silvio Iannone
    Hi there, my actual problem is that .live() jQuery method is not working. This si the code where i use it: jQuery.fn.sb_animateMenuItem = function() { var mousehoverColor = '#0089F7'; var duration = 250; return this.each(function() { var originalColor = $(this).css('background-color'); $(this).live('mouseover', function() { this.style.cursor = 'pointer'; $(this).animate().stop(); $(this).animate( { backgroundColor: mousehoverColor }, duration); }); $(this).live('mouseout', function() { this.style.cursor = 'default'; $(this).animate( { backgroundColor: originalColor }, duration); }); }); }; This snipped is used i another page in this way: <script type="text/javascript" src="ui/js/jquery-1.4.2.js"></script> <script type="text/javascript" src="ui/js/jquery-ui-1.8.1.custom.min.js"></script> <script type="text/javascript" src="ui/js/color.js"></script> <script type="text/javascript" src="engine/js/tiny_mce/tiny_mce.js"></script> <script type="text/javascript" src="ui/js/ui.js"></script> <script type="text/javascript"> // UI effects $(document).ready(function() { $('button').sb_animateButton(); $('input').sb_animateInput(); $('.top_menu_item').sb_animateMenuItem(); $('.top_menu_item_right').sb_animateMenuItem(); $('.left_menu_item').sb_animateMenuItem(); }); </script> Since my site uses AJAX requests i used the .live method in the first snippet, but when i load the page the effects are not applied the the button/input... tags. If i remove the .live method and use the 'normal' way, ui effects defined in the first snipped are applied but only the the elements loaded before any AJAX request. The elements loaded after the ajax request are not affected by first snippet (though they have the same selector). Thanks for helping.

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  • frame by frame animation not running

    - by abc
    well,i am a newbie to android..and i dont know whats wrong in my code.. this is my xml file <?xml version="1.0" encoding="utf-8"?> <animation-list xmlns:android="http://schemas.android.com/apk/res/android" id="selected" android:oneshot="false"> <item android:drawable="@drawable/w1" android:duration="50" /> <item android:drawable="@drawable/w2" android:duration="50" /> </animation-list> my java file ImageView img = (ImageView)findViewById(R.id.s); img.setBackgroundResource(R.anim.shape_animation); // Get the background, which has been compiled to an AnimationDrawable object. AnimationDrawable frameAnimation = (AnimationDrawable) img.getBackground(); // Start the animation (looped playback by default). frameAnimation.start();

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