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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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栈和队列的面试题Java实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，这样的话，队列在扩充时会比较方便。队列在出队时，从头结点head开始。
代码实现：
入栈时，和在普通的链表中添加结点的操作是一样的；出队时，出的永远都是head结点。
public class Queue {
public Node head;
public Node c...
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
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