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How do I programmatically force an onchange event on an input?

... Create an Event object and pass it to the dispatchEvent method of the element: var element = document.getElementById('just_an_example'); var event = new Event('change'); element.dispatchEvent(event); This will trigger event listeners regardless ...
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“Width equals height” constraint in Interface Builder

... Update Xcode 5.1b5 Ctrl+click and drag from a view and release while the pointer is over the view. Select "Aspect Ratio". It will create a constraint where the first and second item is the view. Before Xcode 5.1 You can't because the width/height edit...
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Better way of getting time in milliseconds in javascript?

...sking this because I am trying to make a simple game engine in JavaScript, and when calculating the "delta frame time", I have to create a new Date object every frame. While I am not too worried about the performance implications of this, I am having some problems with the reliability of the exact t...
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How to vertically align an image inside a div

... The only (and the best cross-browser) way as I know is to use an inline-block helper with height: 100% and vertical-align: middle on both elements. So there is a solution: http://jsfiddle.net/kizu/4RPFa/4570/ .frame { height...
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namespaces for enum types - best practices

...you want. The problem with using a namespace is that namespaces can be expanded elsewhere in the code. In a large project, you would not be guaranteed that two distinct enums don't both think they are called eFeelings For simpler-looking code, I use a struct, as you presumably want the contents t...
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How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell

... If you're interested in the physical RAM, use the command dmidecode. It gives you a lot more information than just that, but depending on your use case, you might also want to know if the 8G in the system come from 2x4GB sticks or 4x2GB sticks. ...
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Undefined symbols for architecture arm64

... If your Architectures and Valid Architectures are all right, you may check whether you have added $(inherited) , which will add linker flags generated in pods, to Other Linker Flags as below: ...
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How to get the Power of some Integer in Swift language?

...60 (see developer.apple.com/library/ios/documentation/Swift/Conceptual/… and developer.apple.com/library/ios/documentation/Swift/Conceptual/…) like so: infix operator ^^ { precedence 160 } func ^^... and so on – Tim Arnold May 26 '15 at 2:34 ...
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SQL Server 2008 can't login with newly created user

I'm using using Windows Vista and I'm having trouble logging in with a newly created user. 4 Answers ...
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How to create a new (and empty!) “root” branch?

...answered Oct 24 '17 at 16:57 Mr_and_Mrs_DMr_and_Mrs_D 25.3k2929 gold badges149149 silver badges304304 bronze badges ...