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Escape regex special characters in a Python string
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In python3.4, where all strings are unicode, this doesn't seem to work at all, unfortunately. Instead, print(repr("I'm stuck")[1:-1]) prints I'm stuck.
– dantiston
Mar 4 '15 at 23:42
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Adding information to an exception?
...er Error: /v1/sendEmail/
Traceback (most recent call last):
File "venv/lib/python3.4/site-packages/rest_framework/views.py", line 275, in get_permissions
return [permission() for permission in self.permission_classes]
TypeError: 'type' object is not iterable
The above exception was the direct ...
Python executable not finding libpython shared library
...ng a simple CGI script:
tail /var/log/httpd/error_log
AH01215: /opt/rh/rh-python35/root/usr/bin/python: error while loading shared libraries: libpython3.5m.so.rh-python35-1.0: cannot open shared object file: No such file or directory
I wanted a systemwide permanent solution that works for all use...
Circular (or cyclic) imports in Python
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As of now, the only reference to circular imports in python3 "What's new?" pages is in the 3.5 one. It says "Circular imports involving relative imports are now supported". @meawoppl have you found anything else what is not listed in these pages?
– zezoll...
Memcached下一站：HandlerSocket！ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...编译的或官方提供的二进制版本，可以略过此步。
接着下载一份和系统MySQL版本一致的MySQL源代码和HandlerSocket源代码：
mysql-5.1.37.tar.gz
ahiguti-HandlerSocket-Plugin-for-MySQL-1.0.6-76-gf5f7443.tar.gz
shell> tar zxf mysql-5.1.37.tar.gz
shell> tar zx...
Which is the preferred way to concatenate a string in Python?
...building it up over a lot of operations.
from cStringIO import StringIO
# python3: from io import StringIO
buf = StringIO()
buf.write('foo')
buf.write('foo')
buf.write('foo')
buf.getvalue()
# 'foofoofoo'
If you already have a complete list returned to you from some other operation, then just ...
What's the difference between lists enclosed by square brackets and parentheses in Python?
...ove 'y=x' example , list and tuple behave in the same way now (verified in python3.8.5)
– Youjun Hu
Aug 15 at 9:11
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What character to use to put an item at the end of an alphabetic list?
...No, "Ω, 末, 口…" are not non-printable characters, silly. Upgrade to Python3 already. ;)
– Gringo Suave
Feb 15 '19 at 17:57
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How do I mock an open used in a with statement (using the Mock framework in Python)?
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Note: in Python3 the builtin file is gone!
– exhuma
Apr 28 '14 at 9:16
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Converting a column within pandas dataframe from int to string
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Regarding @JohnZwinck's comment, using Python3 it seems to be more like 2x as fast to use apply() instead of astype(): timeit.Timer('c.apply(str)', setup='import pandas as pd; c = pd.Series(range(1000))').timeit(1000) >>> 0.41499893204309046 ...