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How to check if an array field contains a unique value or another array in MongoDB?

... | edited Jan 10 '13 at 11:43 kubudi 59811 gold badge66 silver badges2020 bronze badges answ...
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Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application

... answered Dec 15 '10 at 11:55 WarrenFaithWarrenFaith 55.3k2323 gold badges128128 silver badges145145 bronze badges ...
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Check whether a string contains a substring

...(like :). – evgeny9 Apr 2 '13 at 14:10 add a comment  |  ...
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Log to the base 2 in python

... answered Sep 15 '10 at 16:23 unutbuunutbu 665k138138 gold badges14831483 silver badges14731473 bronze badges ...
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How to check if a query string value is present via JavaScript?

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Is there any way to use a numeric type as an object key?

... 109 No, this is not possible. The key will always be converted to a string. See Property Accessor...
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When to add what indexes in a table in Rails

... | edited Jul 10 '18 at 12:50 answered Sep 7 '10 at 13:17 ...
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Why does Math.floor return a double?

...hat. – Jim Garrison Sep 5 '16 at 20:10 add a comment  |  ...
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jQuery check if an input is type checkbox?

..."checkbox"; – Tim Down May 5 '16 at 10:03  |  show 1 more co...
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Why can I access private variables in the copy constructor?

... answered Jul 18 '13 at 10:40 Tony DelroyTony Delroy 91k1010 gold badges149149 silver badges219219 bronze badges ...