大约有 9,000 项符合查询结果（耗时：0.0236秒） [XML]
Getting indices of True values in a boolean list
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For anyone using Python3, in the itertools.compress solution, change the xrange to range. ( xrange was renamed to range in Python 3. )
– MehmedB
Jul 22 at 10:06
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Pycharm does not show plot
...nd of my function is what worked for me. Thank you for the clarification. (Python 3.x, PyCharm 2016.1.4, Ubuntu)
– SummerEla
Jun 3 '16 at 3:30
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Bash Script : what does #!/bin/bash mean? [duplicate]
...php — Execute the file using the PHP command line interpreter
#!/usr/bin/python -O — Execute using Python with optimizations to code
#!/usr/bin/ruby — Execute using Ruby
and a few additional ones I can think off the top of my head, such as:
#!/bin/ksh
#!/bin/awk
#!/bin/expect
In a script ...
How do I trim whitespace?
Is there a Python function that will trim whitespace (spaces and tabs) from a string?
15 Answers
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SQLAlchemy - Getting a list of tables
...e.table_names()) File "/Users/darshanchoudhary/.virtualenvs/services/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 2128, in table_names return self.dialect.get_table_names(conn, schema) value = value.replace(self.escape_quote, self.escape_to_quote) AttributeError: 'NoneType'...
How do I check the difference, in seconds, between two dates?
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Upvoted for Python 2.6 answer. total_seconds() is a 2.7+ feature.
– Joe Holloway
Feb 13 '14 at 23:55
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Auto-reload browser when I save changes to html file, in Chrome?
... development framework or language you use, whether it be Ruby, Handcraft, Python, Django, NET, Java, Php, Drupal, Joomla or what-have-you.
I copied this answer almost verbatim from here, because I think it's easier and more general than the currently accepted answer here.
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[] and {} vs list() and dict(), which is better?
...sentially the same thing, but in terms of style, which is the better (more Pythonic) one to use to create an empty list or dict?
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One-liner to check whether an iterator yields at least one element?
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In Python 2.6+, if name sentinel is bound to a value which the iterator can't possibly yield,
if next(iterator, sentinel) is sentinel:
print('iterator was empty')
If you have no idea of what the iterator might possibly yi...
Allowed characters in filename [closed]
... that lists all allowed and disallowed characters.
– python dude
Jan 27 '11 at 8:30
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@python, do...