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Array.push() if does not exist?

...two arguments, this would simplify the case when the added value is inline and not in a variable you can access in your function. array.pushIfNotExist({ name: "tom", text: "tasty" }, function(a,b){ return a.name === b.name && a.text === b.text; }); – Vincent Robert ...
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Android imageview not respecting maxWidth?

...eView to scale its image to fit inside the height of the parent container, and a set max width of 60dip. However, if the image is tall ratio-wise, and doesn't need the full 60dip of width, the ImageView's width should decrease so the view's background fits snugly around the image. ...
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NSRange to Range

...o one simple solution is to convert String to NSString first. The delegate and replacement method names are slightly different in Swift 3 and 2, so depending on which Swift you're using: Swift 3.0 func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, ...
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Submit a form using jQuery [closed]

... really just a convenient way to call the ajax() method with a simplified, and limited, interface. A critical resource, one I use every day, that you should bookmark is How jQuery Works. It has tutorials on using jQuery and the left-hand navigation gives access to all of the documentation. Example...
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What is boilerplate code?

A coworker had never heard of this, and I couldn't provide a real definition. For me, it's always been an instance of 'I-know-it-when-I-see-it'. ...
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Loop inside React JSX

... as an argument – leading to a syntax error. But you can make an array, and then pass that in as an argument: var rows = []; for (var i = 0; i < numrows; i++) { rows.push(ObjectRow()); } return tbody(rows); You can use basically the same structure when working with JSX: var rows = []...
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Which regular expression operator means 'Don't' match this character?

...rs. Instead of specifying all the characters literally, you can use shorthands inside character classes: [\w] (lowercase) will match any "word character" (letter, numbers and underscore), [\W] (uppercase) will match anything but word characters; similarly, [\d] will match the 0-9 digits while [\D]...
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Mockito test a void method throws an exception

...ct).methodReturningVoid(...); ^ and NOT use: doThrow(new Exception()).when(mockedObject.methodReturningVoid(...)); ^ This is explained in the documentation ...
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Inverse dictionary lookup in Python

... .index only needs to guarantee that it returns a single value and it does not need to be lexically first only that it be the first match and that it's behavior is stable (multiple calls on same dict over time should yield same matching element). Unless dictionaries rearrange their unmo...
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Coalesce function for PHP?

...en. The improvement over the mentioned ?: operator is, that the ?? also handles undefined variables without throwing an E_NOTICE. share | improve this answer | follow ...