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What is “stdafx.h” used for in Visual Studio?
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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
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answered Aug 7 '14 at 14:57
Norman GrayNorman Gray
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How to create own dynamic type or dynamic object in C#?
... Mario SannumMario Sannum
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Understanding garbage collection in .NET
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Hans PassantHans Passant
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
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java.lang.NoClassDefFoundError: org/hamcrest/SelfDescribing
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Eric Leschinski
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answered Sep 28 '13 at 8:14
Jiacai LiuJiacai...
How can I catch a “catchable fatal error” on PHP type hinting?
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edited Mar 18 '16 at 8:54
answered Mar 18 '10 at 9:09
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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
...'t know if this is most effective, but perhaps the shortest
A = [1, 2, 3, 4];
B = [1, 3, 4, 7];
diff = A.filter(function(x) { return B.indexOf(x) < 0 })
console.log(diff);
Updated to ES6:
A = [1, 2, 3, 4];
B = [1, 3, 4, 7];
diff = A.filter(x => !B.includes(x) );
console.log(diff);
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