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The SQL OVER() clause - when and why is it useful?
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edited Jun 4 '13 at 6:07
answered Jun 2 '11 at 19:54
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Why does ReSharper tell me “implicitly captured closure”?
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392
The warning tells you that the variables end and start stay alive as any of the lambdas inside...
Sort NSArray of date strings or objects
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Quinn TaylorQuinn Taylor
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Difference between __str__ and __repr__?
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23 Answers
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Typedef function pointer?
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483
typedef is a language construct that associates a name to a type.
You use it the same way you wo...
What's the difference of $host and $http_host in Nginx
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answered Mar 14 '13 at 16:25
glarrainglarrain
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What integer hash function are good that accepts an integer hash key?
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Knuth's multiplicative method:
hash(i)=i*2654435761 mod 2^32
In general, you should pick a multiplier that is in the order of your hash size (2^32 in the example) and has no common factors with it. This way the hash function covers all your hash space uniformly.
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Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?
...s but rather IL:
IL_0001: ldnull
IL_0002: stloc.0 // s
IL_0003: ldloc.0 // s
IL_0004: callvirt System.String.get_Length
IL_0009: call System.Console.WriteLine
It is the callvirt opcode that throws the NullReferenceException and it does that when the first argument on...
Capitalize words in string [duplicate]
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edited Apr 21 at 1:35
answered Sep 29 '11 at 3:47
di...
When 1 px border is added to div, Div size increases, Don't want to do that
...ing: 5px; */
}
div.navitem .selected
{
border: 1px solid;
width: 13px;
height: 13px;
/* padding: 4px */
}
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