大约有 900 项符合查询结果(耗时:0.0180秒) [XML]

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Printing all global variables/local variables?

How can I print all global variables/local variables? Is that possible in gdb? 3 Answers ...
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How can the Euclidean distance be calculated with NumPy?

....norm(a-b) (and numpy.sqrt(numpy.sum((a-b)**2))). On my machine I get 19.7 µs with scipy (v0.15.1) and 8.9 µs with numpy (v1.9.2). Not a relevant difference in many cases but if in loop may become more significant. From a quick look at the scipy code it seems to be slower because it validates the ...
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Is it safe to push_back an element from the same vector?

...ered Sep 13 '13 at 14:51 Johan RådeJohan Råde 17.7k1919 gold badges5959 silver badges103103 bronze badges ...
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How can I decode HTML characters in C#?

...ttpUtility.HtmlDecode(s); Response.Write(a); Output is like Svendborg Værft A/S share | improve this answer | follow | ...
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How to prevent Browser cache for php site

...bined, a 100KB CSS file would have a combined additional overhead of… 129µs (microseconds, 0.1295ms) + 8ns (which does not meaningfully contribute to the final number) = 129µs. – amcgregor Jun 26 at 13:08 ...
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How to check whether a pandas DataFrame is empty?

...empty(df) %timeit lenz(df) %timeit lenzi(df) 10000 loops, best of 3: 13.9 µs per loop 100000 loops, best of 3: 2.34 µs per loop 1000000 loops, best of 3: 695 ns per loop len on index seems to be faster ''' share ...
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How to calculate date difference in JavaScript?

I want to calculate date difference in days, hours, minutes, seconds, milliseconds, nanoseconds. How can I do it? 18 Answer...
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Remove all special characters from a string in R?

...hich will remove accents, but will keep the letters. astr <- "Ábcdêãçoàúü" iconv(astr, from = 'UTF-8', to = 'ASCII//TRANSLIT') which results in [1] "Abcdeacoauu" share | improve this...
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Inline code in org-mode

...answered Apr 24 '13 at 8:49 François FévotteFrançois Févotte 14.2k44 gold badges3434 silver badges6363 bronze badges ...
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Regex to match a digit two or four times

...e -- but apparently the asker didn't...). – Jean-François Corbett Apr 30 at 11:24 2 ...