大约有 43,200 项符合查询结果（耗时：0.0681秒） [XML]
Convert number strings with commas in pandas DataFrame to float
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136
If you're reading in from csv then you can use the thousands arg:
df.read_csv('foo.tsv', sep=...
Convert duration to hours:minutes:seconds (or similar) in Rails 3 or Ruby
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13 Answers
13
Active
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Centering a view in its superview using Visual Format Language
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14 Answers
14
Active
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What is the difference between atomic and critical in OpenMP?
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175
The effect on g_qCount is the same, but what's done is different.
An OpenMP critical section ...
CSS Progress Circle [closed]
...e ones I have been able to found show animated circles that go to the full 100%.
4 Answers
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Show MySQL host via SQL Command
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edited Nov 27 '11 at 3:19
answered Nov 27 '11 at 2:44
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PHP: How to check if image file exists?
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130
You need the filename in quotation marks at least (as string):
if (file_exists('http://www.my...
SQL Server equivalent to MySQL enum data type?
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160
It doesn't. There's a vague equivalent:
mycol VARCHAR(10) NOT NULL CHECK (mycol IN('Useful',...
When splitting an empty string in Python, why does split() return an empty list while split('\n') re
...espace. For example:
>>> data = '''\
Shasta California 14,200
McKinley Alaska 20,300
Fuji Japan 12,400
'''
>>> for line in data.splitlines():
print line.split()
['Shasta', 'California', '14,200']
['McKinley', 'Alaska', '20,300']
['Fuji...
Sharing Test code in Maven
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190
I recommend using type instead of classifier (see also: classifier). It tells Maven a bit mor...