大约有 30,000 项符合查询结果(耗时:0.0314秒) [XML]

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How do I get the width and height of a HTML5 canvas?

...nt.getElementById( 'yourCanvasID' ); var ctx = canvas.getContext( '2d' ); alert( canvas.width ); alert( canvas.height ); share | improve this answer | follow ...
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Does the APNS device token ever change, once created?

... non-trivial. For example, if you have a service which is sending weather alerts to a device token based on what zip code that device has subscribed to, then you need to pass the old_token and the new_token to said service so it can update delivery. Ergo, generally speaking 100% of APIs accepting ...
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Run JavaScript when an element loses focus

...ut onblur event : <input type="text" name="name" value="value" onblur="alert(1);"/> share | improve this answer | follow | ...
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How to detect if URL has changed after hash in JavaScript

... = function(){ if(that.oldHash!=window.location.hash){ alert("HASH CHANGED - new has" + window.location.hash); that.oldHash = window.location.hash; } }; this.Check = setInterval(function(){ detect() }, 100); } var hashDetection = new hashHandler(); ...
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What is unit testing? [closed]

...also integrate the unit tests into your automated build process, they will alert you to bugs even in cases where a seemingly completely unrelated change broke something in a distant part of the codebase - when it would not even occur to you that there is a need to retest that particular functionalit...
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How to use java.net.URLConnection to fire and handle HTTP requests?

...matching [hostname] found or javax.net.ssl.SSLProtocolException: handshake alert: unrecognized_name on some misconfigured HTTPS sites. The following one-time-run static initializer in your web scraper class should make HttpsURLConnection more lenient as to those HTTPS sites and thus not throw those ...
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How do you create a toggle button?

...$me = $(this); $me.toggleClass('off'); if($me.is(".off")){ alert('hi'); }else { alert('bye'); } }); And I use the button element for buttons for semantic reasons. <button class="toggler">Toggle me</button> ...
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How to get the caret column (not pixels) position in a textarea, in characters, from the start?

...e time the function executes. You can see it visually after dismissing the alert box. As I mentioned in my answer to your recent question, two possible workarounds are using the mousedown event or adding unselectable="on" to the <div> element. – Tim Down ...
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Android – Listen For Incoming SMS Messages

...erNum: "+ senderNum + "; message: " + body); // Show Alert int duration = Toast.LENGTH_LONG; Toast toast = Toast.makeText(context, "senderNum: "+ mobile+ ", message: " + message, duration); ...
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Parse RSS with jQuery

...s: jQuery.getFeed({ url: 'rss.xml', success: function(feed) { alert(feed.title); } }); share | improve this answer | follow | ...