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UIGestureRecognizer on UIImageView

...handleTap(sender: UITapGestureRecognizer? = nil) { // just creating an alert to prove our tap worked! let tapAlert = UIAlertController(title: "hmmm...", message: "this actually worked?", preferredStyle: UIAlertControllerStyle.Alert) tapAlert.addAction(UIAlertAction(title: "OK", style: .D...
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How to check if anonymous object has a method?

...w if the function is defined. if(typeof myObj.prop2 === 'function') { alert("It's a function"); } else if (typeof myObj.prop2 === 'undefined') { alert("It's undefined"); } else { alert("It's neither undefined nor a function. It's a " + typeof myObj.prop2); } ...
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Compare two dates with JavaScript

...the result. var oDateOne = new Date(); var oDateTwo = new Date(); alert(oDateOne - oDateTwo === 0); alert(oDateOne - oDateTwo < 0); alert(oDateOne - oDateTwo > 0); share | imp...
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How do I make class methods / properties in Swift?

... { // computed type property return 42 } class func alert() { // type method print("There are \(all.count) foos") } } Foo.alert() // There are 0 foos let f = Foo() Foo.all.append(f) Foo.alert() // There are 1 foos ...
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JS - get image width and height from the base64 code

... var i = new Image(); i.onload = function(){ alert( i.width+", "+i.height ); }; i.src = imageData; share | improve this answer | follow ...
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Javascript checkbox onChange

...ventListener('change', (event) => { if (event.target.checked) { alert('checked'); } else { alert('not checked'); } }) My Checkbox: <input id="myCheckbox" type="checkbox" /> share ...
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Is jQuery “each()” function synchronous?

...is breaks the .each iterations, returning early } }); if(!all_ok){ alert('something went wrong'); } share | improve this answer | follow | ...
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How to change the href for a hyperlink using jQuery

...; $('.menu_link').live('click', function() { var thelink = $(this); alert ( thelink.html() ); alert ( thelink.attr('href') ); alert ( thelink.attr('rel') ); return false; });
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What is sr-only in Bootstrap 3?

...text with other element with attribute aria-hidden="true". <div class="alert alert-danger" role="alert"> <span class="glyphicon glyphicon-exclamation-sign" aria-hidden="true"></span> <span class="sr-only">Error:</span> Enter a valid email address </div> G...
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Should I use document.createDocumentFragment or document.createElement

...nt.createElement("br")); var body = document.body; body.appendChild(frag); alert(body.lastChild.tagName); // "BR" alert(body.lastChild.previousSibling.data); // "Some text" alert(frag.hasChildNodes()); // false share ...