大约有 6,100 项符合查询结果（耗时：0.0232秒） [XML]
Zip lists in Python
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@GilbertS in Python 2 zip returned a list. In Python 3 it is an iterator
– Tomerikoo
Mar 23 at 13:34
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How to import a module given the full path?
How can I load a Python module given its full path? Note that the file can be anywhere in the filesystem, as it is a configuration option.
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Why does datetime.datetime.utcnow() not contain timezone information?
...imezone, you could pass tzinfo to datetime.now() directly:
#!/usr/bin/env python
from datetime import datetime
import pytz # $ pip install pytz
print(datetime.now(pytz.timezone("America/New_York")))
It works for any timezone including those that observe daylight saving time (DST) i.e., it works ...
Extract traceback info from an exception object
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The answer to this question depends on the version of Python you're using.
In Python 3
It's simple: exceptions come equipped with a __traceback__ attribute that contains the traceback. This attribute is also writable, and can be conveniently set using the with_traceback method...
Parsing HTML using Python
I'm looking for an HTML Parser module for Python that can help me get the tags in the form of Python lists/dictionaries/objects.
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Python pip install fails: invalid command egg_info
I find that recently often when I try to install a Python package using pip , I get the error(s) below.
15 Answers
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Python Sets vs Lists
In Python, which data structure is more efficient/speedy? Assuming that order is not important to me and I would be checking for duplicates anyway, is a Python set slower than a Python list?
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Options for HTML scraping? [closed]
I'm thinking of trying Beautiful Soup , a Python package for HTML scraping. Are there any other HTML scraping packages I should be looking at? Python is not a requirement, I'm actually interested in hearing about other languages as well.
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How can I selectively escape percent (%) in Python strings?
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In Python 3.3.5, print('%s%%' % 100) prints 100%. But print('%%') prints %%. So it looks like you don't have to escape the % signs if you don't make substitutions.
– Zenadix
Sep 8 '15 at 19...
Why wasn't PyPy included in standard Python?
...yPy and I was just wondering why it hasn't been adopted into the mainline Python distributions. Wouldn't things like JIT compilation and lower memory footprint greatly improve the speeds of all Python code?
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