大约有 1,785 项符合查询结果（耗时：0.0266秒） [XML]
MySQL vs MongoDB 1000 reads
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91
15min for 10.000 rows? You typed each row? =))))
– Iurie Manea
Jan 9 '17 at 23:14
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What are the best practices for using a GUID as a primary key, specifically regarding performance?
... 1'000'000 rows (3.8 MB vs. 15.26 MB)
6 nonclustered indexes (22.89 MB vs. 91.55 MB)
TOTAL: 25 MB vs. 106 MB - and that's just on a single table!
Some more food for thought - excellent stuff by Kimberly Tripp - read it, read it again, digest it! It's the SQL Server indexing gospel, really.
GUID...
How to use sessions in an ASP.NET MVC 4 application?
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Leniel MaccaferriLeniel Maccaferri
91.3k4040 gold badges331331 silver badges445445 bronze badges
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How can I generate UUID in C#
... EBD133A6-6CF3-4ADA-B723-A8177B70D268
B10A35C0-F012-4EC1-9D24-3CC91D2B7122
UuidCreateSequential generates sequential GUIDs like these:
19F287B4-8830-11D9-8BFC-000CF1ADC5B7
19F287B5-8830-11D9-8BFC-000CF1ADC5B7
19F287B6-8830-11D9-8BFC-000CF1ADC5B7
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When is it appropriate to use UDP instead of TCP? [closed]
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Jarvis
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answered Jul 8 '09 at 18:08
S.LottS.Lott
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How can I split up a Git commit buried in history?
... d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4....
Why can I access private variables in the copy constructor?
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Tony DelroyTony Delroy
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Data structure: insert, remove, contains, get random element, all at O(1)
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Tony DelroyTony Delroy
91k1010 gold badges149149 silver badges219219 bronze badges
a...
What characters are valid for JavaScript variable names?
...5\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0...
Is JavaScript's “new” keyword considered harmful?
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Javascript being dynamic language there a zillion ways to mess up where another language would ...