大约有 47,000 项符合查询结果(耗时:0.0406秒) [XML]

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Bash script to receive and repass quoted parameters

... "$@" works with any Bourne shell or Bourne shell derivative (from 1978 onwards), including Korn and Bash. Probably 95% of the time, using "$@" is correct and $* is wrong. – Jonathan Leffler Jan 16 '09 at 8:03 ...
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How to use the 'sweep' function

... 85 sweep() is typically used when you operate a matrix by row or by column, and the other input of...
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Does R have an assert statement as in python?

... | edited Aug 6 '18 at 18:54 cbare 10.2k55 gold badges4343 silver badges5656 bronze badges answe...
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Where can I find my Azure account name and account key?

... 83 If you're referring to a Windows Azure Storage account, the storage account name would be the d...
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Python's “in” set operator

... 85 That's right. You could try it in the interpreter like this: >>> a_set = set(['a', 'b...
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How to remove duplicate values from a multi-dimensional array in PHP

...| edited Mar 6 '15 at 16:28 jeromegamez 2,6911919 silver badges3434 bronze badges answered Jun 3 '09 at ...
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std::back_inserter for a std::set?

... - litbJohannes Schaub - litb 453k112112 gold badges830830 silver badges11501150 bronze badges 2...
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In Python, how do you convert seconds since epoch to a `datetime` object?

...output as with time.gmtime >>> datetime.datetime.fromtimestamp(1284286794) datetime.datetime(2010, 9, 12, 11, 19, 54) or >>> datetime.datetime.utcfromtimestamp(1284286794) datetime.datetime(2010, 9, 12, 10, 19, 54) ...
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Using helpers in model: how do I include helper dependencies?

... a text area. Following the advice from http://blog.caboo.se/articles/2008/8/25/sanitize-your-users-html-input , I'm cleaning up the input in the model before saving to database, using the before_validate callback. ...
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promise already under evaluation: recursive default argument reference or earlier problems?

...on(x, T) { 10 * sin(0.3 * x) * sin(1.3 * x^2) + 0.001 * x^3 + 0.2 * x + 80 } g <- function(x, T, f. = f) { ## 1. note f. exp(-f.(x)/T) } test<- function(g. = g, T = 1) { ## 2. note g. g.(1,T) } test() ## [1] 8.560335e-37 ...