大约有 48,000 项符合查询结果(耗时:0.0652秒) [XML]

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Python and pip, list all versions of a package that's available?

...re available: $ pip install yolk3k $ yolk -V django Django 1.3 Django 1.2.5 Django 1.2.4 Django 1.2.3 Django 1.2.2 Django 1.2.1 Django 1.2 Django 1.1.4 Django 1.1.3 Django 1.1.2 Django 1.0.4 yolk3k is a fork of the original yolk which ceased development in 2012. Though yolk is no longer maintaine...
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What are the aspect ratios for all Android phone and tablet devices?

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how to ignore namespaces with XPath

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How to validate IP address in Python? [duplicate]

... answered Nov 25 '08 at 23:50 DustinDustin 78.2k1717 gold badges103103 silver badges131131 bronze badges ...
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How to check whether a pandas DataFrame is empty?

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New Array from Index Range Swift

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What is the fastest integer division supporting division by zero no matter what the result is?

...anch? – Haatschii May 27 '13 at 17:15 1 ...
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Replacing NAs with latest non-NA value

...m the help page: library(zoo) az <- zoo(1:6) bz <- zoo(c(2,NA,1,4,5,2)) na.locf(bz) 1 2 3 4 5 6 2 2 1 4 5 2 na.locf(bz, fromLast = TRUE) 1 2 3 4 5 6 2 1 1 4 5 2 cz <- zoo(c(NA,9,3,2,3,2)) na.locf(cz) 2 3 4 5 6 9 3 2 3 2 ...
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Does Python support short-circuiting?

... answered Apr 5 '10 at 18:20 Alex MartelliAlex Martelli 724k148148 gold badges11251125 silver badges13241324 bronze badges ...
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How do I replace NA values with zeros in an R dataframe?

...), 100, replace = TRUE), 10) > d <- as.data.frame(m) V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 1 4 3 NA 3 7 6 6 10 6 5 2 9 8 9 5 10 NA 2 1 7 2 3 1 1 6 3 6 NA 1 4 1 6 4 NA 4 NA 7 10 2 NA 4 1 8 5 1 2 4 NA 2 6 2 6 7 4 6 NA 3 NA NA 10 2 1 10 8 4 7 ...