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How to find time complexity of an algorithm
...ely cut it, but permutations are on that order - it's prohibitively steep, more so than any polynomial or exponential. There are exactly 10! seconds in six weeks but the universe is less than 20! seconds old.
– John P
Feb 25 '18 at 2:59
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How can I find out what FOREIGN KEY constraint references a table in SQL Server?
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You should use the more focused sys.tables rather than sys.objects
– marc_s
Jul 6 '13 at 10:16
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Hidden features of Perl?
...p first record
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Run perldoc perlop and search for "flip-flop" for more information and examples.
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answered Oct 2 '08 at 12:41
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How do I return multiple values from a function? [closed]
...library got the NamedTuple class to make named tuples easier to create and more powerful. Inheriting from typing.NamedTuple lets you use docstrings, default values, and type annotations.
Example (From the docs):
class Employee(NamedTuple): # inherit from typing.NamedTuple
name: str
id: in...
how to unit test file upload in django
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Henning is technically correct -- this would be more of an integration test -- doesn't actually matter until you get into more complex code bases maybe even with an actual test team
– Alvin
May 2 '17 at 18:49
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IIS_IUSRS and IUSR permissions in IIS8
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Why are mutable structs “evil”?
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Which HTML5 reset CSS do you use and why? [closed]
...TML5 reset CSS do you use and why? Is there one that you've found to cover more cases?
8 Answers
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Most efficient way to increment a Map value in Java
...od are significantly faster, in that only they give a performance boost of more than 10%. However, if threading is an issue, AtomicLong might be more attractive than the others (I'm not really sure). I also ran TestForNull with final variables, but the difference was negligible.
Note that I haven't...
Error java.lang.OutOfMemoryError: GC overhead limit exceeded
...r as follows: "It's just like an 'Out of Java Heap space' error. Give it more memory with -Xmx." ?
– Tim Cooper
Jun 19 '10 at 13:28
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