大约有 39,540 项符合查询结果（耗时：0.0500秒） [XML]
What's the function like sum() but for multiplication? product()?
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Raymond HettingerRaymond Hettinger
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How to insert a value that contains an apostrophe (single quote)?
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edited Jan 25 '16 at 16:31
Peter Mortensen
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Best way to convert text files between character sets?
...NG in iconv -f ENCODING.
– Stew
Sep 16 '14 at 16:45
4
Prevent exit at invalid characters (avoidin...
Round to 5 (or other number) in Python
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16 Answers
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how to make svn diff show only non-whitespace line changes between two revisions
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answered Nov 16 '09 at 12:00
jrbjazzjrbjazz
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Move the most recent commit(s) to a new branch with Git
...d (except the markers)
– knittl
Aug 16 '10 at 11:32
222
Also note: Don't do this with uncommitted...
How to find the length of a string in R
...re nchar(NA)
– hadley
Mar 19 '14 at 16:02
@hadley Indeed, or for that matter any character vector with one or more NAs...
How to find an element by matching exact text of the element in Capybara
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edited Oct 17 '16 at 7:59
ndnenkov
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How to create a numpy array of all True or all False?
...as fmonegaglia points out):
numpy.full((2, 2), True, dtype=bool)
UPDATE: 16 January 2017
Since at least numpy version 1.12, full automatically casts results to the dtype of the second parameter, so we can just write:
numpy.full((2, 2), True)
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JPanel Padding in Java
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answered Mar 16 '11 at 16:33
Julien VermillardJulien Vermillard
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