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CSS :after not adding content to certain elements

...k with non-replaced elements. From the spec: Note. This specification does not fully define the interaction of :before and :after with replaced elements (such as IMG in HTML). This will be defined in more detail in a future specification. With span:before, span:after, the DOM looks like t...
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Best way to get child nodes

...ection, although there are a couple of issues to be aware of: IE <= 8 do not include white space-only text nodes in childNodes while other browsers do IE <= 8 includes comment nodes within children while other browsers only have elements children, firstElementChild and friends are just con...
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How do I get the opposite (negation) of a Boolean in Python?

... >>> list(map(my_not_function, lst)) [False, True, False, True] Do not use the bitwise invert operator ~ on booleans One might be tempted to use the bitwise invert operator ~ or the equivalent operator function operator.inv (or one of the other 3 aliases there). But because bool is a sub...
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What's the best way to iterate over two or more containers simultaneously

...ed Sep 25 '13 at 13:19 Konrad RudolphKonrad Rudolph 461k117117 gold badges863863 silver badges11101110 bronze badges ...
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Check if EditText is empty. [closed]

...d for checking all the 5 EditTexts if they are null. Is there any way to do this?? 30 Answers ...
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How to remove all subviews of a view in Swift?

... EDIT: (thanks Jeremiah / Rollo) By far the best way to do this in Swift for iOS is: view.subviews.forEach({ $0.removeFromSuperview() }) // this gets things done view.subviews.map({ $0.removeFromSuperview() }) // this returns modified array ^^ These features are fun! let funTi...
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Why do all browsers' user agents start with “Mozilla/”?

...s start their User-Agents with Mozilla/, like the browsers before them had done. Plenty of other nonsense also results, like modern Chrome's User-Agent simultaneously claiming to be Mozilla, Chrome, Safari, and 'like Gecko'. ...
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Using Case/Switch and GetType to determine the object [duplicate]

If you want to switch on a type of object, what is the best way to do this? 10 Answers ...
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How to check if the user can go back in browser history or not

...y.length Is a property that others have suggested... However, the length doesn't work completely because it doesn't indicate where in the history you are. Additionally, it doesn't always start at the same number. A browser not set to have a landing page, for example, starts at 0 while another br...
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Go build: “Cannot find package” (even though GOPATH is set)

... still can't get "go build" or "go run" to find my own packages. What am I doing wrong? 7 Answers ...