大约有 42,000 项符合查询结果（耗时：0.0763秒） [XML]
QString to char* conversion
... Eli BenderskyEli Bendersky
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11
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Are static methods inherited in Java?
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yincrashyincrash
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How to find the largest file in a directory and its subdirectories?
... |
edited Sep 20 '12 at 23:34
AnBisw
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answered S...
Add column with number of days between dates in DataFrame pandas
...f['B']
Out[12]:
one -58 days
two -26 days
dtype: timedelta64[ns]
In [13]: df['C'] = df['A'] - df['B']
In [14]: df
Out[14]:
A B C
one 2014-01-01 2014-02-28 -58 days
two 2014-02-03 2014-03-01 -26 days
Note: ensure you're using a new of pandas (e.g. 0.13.1), this ma...
How can I check the syntax of Python script without executing it?
...onMark Johnson
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Sublime Text 2 multiple line edit
... Phrancis
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answered Feb 28 '14 at 16:01
OwenOwen
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Centering floating divs within another div
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Mark Amery
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answered Aug 12 '09 at 23:22
SampsonSampson
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How to read lines of a file in Ruby
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the Tin Man
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answered May 16 '11 at 3:50
Olivier L.Olivie...
Extract a number from a string (JavaScript)
... all leading non-digits with nothing
in the general case:
thenum = "foo3bar5".match(/\d+/)[0] // "3"
Since this answer gained popularity for some reason, here's a bonus: regex generator.
function getre(str, num) {
if(str === num) return 'nice try';
var res = [/^\D+/g,/\D+$/g,/^\D+|\...
Receiving “fatal: Not a git repository” when attempting to remote add a Git repo
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937
Did you init a local Git repository, into which this remote is supposed to be added?
Does your...