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How to check if an object is a list or tuple (but not string)?
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In Python3, you can replace isinstance(obj, basestring) with isinstance(obj, str), and that should work.
– Adrian Keister
Mar 5 '18 at 21:36
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How do I get the “id” after INSERT into MySQL database with Python?
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@FlyingAtom, because this was run on python2 instead of python3.
– Andrew
Feb 16 '16 at 20:05
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show 3 more comments
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python setup.py uninstall
...ning directory, e.g. /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/my_module-0.1.egg/ on macOS. It has no files, but Python will still import an empty module:
>>> import my_module
>>> my_module.__file__
None
Once deleted, Python shows:
>>&g...
Linux C/C++程序常用的调试手段及异常排查总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
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性能如何
是否有一些执行耗时的操作，I/O，网络文件下载，文件解析等，是否可以进行优化？是否会影响到功能体验？使用异步线程执行会更好吗？
多线程相关
是否涉及到多线程，临界区访问是否正常？会引入多线程...
How to send an email with Gmail as provider using Python?
... then create a file called sendgmail.py
Then add this code:
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# =============================================================================
# Created By : Jeromie Kirchoff
# Created Date: Mon Aug 02 17:46:00 PDT 2018
# =================================...
Understanding the map function
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Python3 - map(func, iterable)
One thing that wasn't mentioned completely (although @BlooB kinda mentioned it) is that map returns a map object NOT a list. This is a big difference when it comes to time performance on initiali...
Is it bad to have my virtualenv directory inside my git repository?
...terpreter which is located at C:\Users{user}\AppData\Local\Programs\Python\Python36 (make sure you choose the appropriate version of Python based on what you have installed)
Note that Pycharm will create the new virtual environment and copy python binaries and required libraries under your venv fol...
How can I check whether a numpy array is empty or not?
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/usr/local/bin/ipython3:1: DeprecationWarning: The truth value
of an empty array is ambiguous. Returning False, but in
future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
#!/usr/bin...
python assert with and without parenthesis
...gramming constructs, and this syntax has yet again changed from python2 to python3 and again changed from python 3.4 to 3.6.
Making assert statements not backward compatible from any version to any other version.
It's a tap on the shoulder that assert is a 3rd class citizen, it will be totally re...
Class method decorator with self arguments?
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A more concise example might be as follows:
#/usr/bin/env python3
from functools import wraps
def wrapper(method):
@wraps(method)
def _impl(self, *method_args, **method_kwargs):
method_output = method(self, *method_args, **method_kwargs)
return method_output...