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MySQL select one column DISTINCT, with corresponding other columns

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Adding images or videos to iPhone Simulator

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How can I convert byte size into a human-readable format in Java?

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Maintain aspect ratio of div but fill screen width and height in CSS?

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Linq select objects in list where exists IN (A,B,C)

...od is fastest and there'll be performance issues with array if it contains more than 1000 items. var allowedStatus = new HashSet<string> { "A", "B", "C" }; – Jay Shah Nov 9 '18 at 18:14 ...
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Linux: copy and create destination dir if it does not exist

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Why is require_once so bad to use?

...d good reason to: require_once() was pretty inefficient before some of the more recent versions of PHP. But that's been fixed, and it is my contention that the extra bytecode you'd have to compile for the conditional, and the extra method call, would by far overweigh any internal hashtable check. N...
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Table fixed header and scrollable body

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Constants in Objective-C

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Do fragments really need an empty constructor?

... fine, I believe that holding several copies of data can sometimes take up more memory than view destruction can regain. In some cases, it might be useful to have the option to treat a collection of Activities/Fragments as a unit, to be destroyed as a whole or not at all - then we could pass data vi...