大约有 40,000 项符合查询结果（耗时：0.0620秒） [XML]
How to avoid warning when introducing NAs by coercion
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142
Use suppressWarnings():
suppressWarnings(as.numeric(c("1", "2", "X")))
[1] 1 2 NA
This su...
'typeid' versus 'typeof' in C++
... AnTAnT
283k3838 gold badges470470 silver badges714714 bronze badges
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Why is there no logical xor in JavaScript?
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edited Mar 14 '14 at 19:16
answered Dec 27 '10 at 17:18
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Confusion between factor levels and factor labels
...utput ...
– Ben Bolker
May 3 '11 at 14:13
I thought about both, but both methods have disadvantages. The first might g...
`elif` in list comprehension conditionals
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answered Sep 25 '14 at 17:50
Stefan GruenwaldStefan Gruenwald
2,2742121 silver badges2323 bronze badges
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What is Python buffer type for?
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146
An example usage:
>>> s = 'Hello world'
>>> t = buffer(s, 6, 5)
>>>...
Which MIME type to use for a binary file that's specific to my program?
...99 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 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.89...
Can I serve multiple clients using just Flask app.run() as standalone?
...server.
– Sean Vieira
Feb 12 '13 at 14:20
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@ATOzTOA, regarding your question about why you can't...
What exactly does stringstream do?
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luk32luk32
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inline conditionals in angular.js
...that tags can be output as part of the string?
– user1469779
Jan 9 '13 at 21:16
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