大约有 6,400 项符合查询结果（耗时：0.0161秒） [XML]
Find and kill a process in one line using bash and regex
...ad of grep '[p]ython csp_build.py' you can also use: kill $(ps aux | grep 'python csp_build.py' | grep -v grep | awk '{print $2}'). grep -v returns non-matched lines.
– rgajrawala
Mar 11 '15 at 4:30
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Is module __file__ attribute absolute or relative?
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got it, but @agf, if i use python /foo/abc.py from /home, I suppose the part of sys.path that contains the module is /home/foo and my current directory is /home/, why does print file gives me a relative path?
– goh
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Converting between datetime, Timestamp and datetime64
...bout np.int8, np.int16, etc and apply the same methods to convert beetween Python objects such as int, datetime and corresponding numpy objects.
Your "nasty example" works correctly:
>>> from datetime import datetime
>>> import numpy
>>> numpy.datetime64('2002-06-28T01:...
How to convert a string with comma-delimited items to a list in Python?
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The following Python code will turn your string into a list of strings:
import ast
teststr = "['aaa','bbb','ccc']"
testarray = ast.literal_eval(teststr)
share
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What is the best way to compare floats for almost-equality in Python?
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Python 3.5 adds the math.isclose and cmath.isclose functions as described in PEP 485.
If you're using an earlier version of Python, the equivalent function is given in the documentation.
def isclose(a, b, rel_tol=1e-09, abs...
How to add property to a class dynamically?
... tree out of __getattribute__.
When I ask for foo.b in the example above, Python sees that the b defined on the class implements the descriptor protocol—which just means it's an object with a __get__, __set__, or __delete__ method. The descriptor claims responsibility for handling that attribute...
Python Threading String Arguments
I have a problem with Python threading and sending a string in the arguments.
2 Answers
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How to read a file in reverse order?
How to read a file in reverse order using python? I want to read a file from last line to first line.
21 Answers
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How to truncate the time on a DateTime object in Python?
What is a classy way to way truncate a python datetime object?
16 Answers
16
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Append a dictionary to a dictionary [duplicate]
... Though, I just ran a quick empirical test with timeit on the standard CPython (2.7), and dict(**orig) is slightly faster. YMMV, and it depends on your implementation--but I'm not entirely sure the ** idiom in this case really does incur extra overhead in all implementations, perhaps because dict...