大约有 48,000 项符合查询结果（耗时：0.0405秒） [XML]
Why use a public method in an internal class?
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answered Feb 15 '12 at 22:42
Eric LippertEric Lippert
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How to create a css rule for all elements except one class?
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Dinei
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answered Mar 22 '10 at 2:40
KnuKnu
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Fastest way to replace NAs in a large data.table
... 1.52 14.81 1.52 14.81
"gc" 0.22 2.14 0.22 2.14
"unique" 0.14 1.36 0.16 1.56
... snip ...
There, I would focus on na.replace and is.na, where there are a few vector copies and vector scans. Those can fairly ea...
How to insert in XSLT
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answered Sep 22 '09 at 18:09
brabsterbrabster
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How to create a hex dump of file containing only the hex characters without spaces in bash?
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John Gibb
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answered Apr 10 '10 at 21:42
Michał TrybusMichał...
generate days from date range
...and '2010-01-24'
Output:
Date
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2010-01-24
2010-01-23
2010-01-22
2010-01-21
2010-01-20
Notes on Performance
Testing it out here, the performance is surprisingly good: the above query takes 0.0009 sec.
If we extend the subquery to generate approx. 100,000 numbers (and thus about 274 ...
What is the LD_PRELOAD trick?
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answered Jan 8 '09 at 22:20
JesperEJesperE
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Transactions in .net
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answered Oct 22 '08 at 6:48
Marc Gravell♦Marc Gravell
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How do I fix certificate errors when running wget on an HTTPS URL in Cygwin?
...y.
– Bryce Anderson
Apr 9 '15 at 19:22
3
And for fink, they're in /sw/etc/ssl/certs/ca-bundle.crt...
HashMap and int as key
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answered Apr 22 '13 at 14:02
user1883212user1883212
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