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How to import a Python class that is in a directory above?
...ot covered here.
some_directory/
foo.py
setup.py
.
#!/usr/bin/env python3
# setup.py
import setuptools
setuptools.setup(
name="foo",
...
py_modules=['foo'],
)
.
python3 -m pip install --editable ./ # or path/to/some_directory/
"editable" aka -e will yet-again redirect the i...
Why is there no tuple comprehension in Python?
... is tuple([generator]).
Performance Comparison
List comprehension:
$ python3 -m timeit "a = [i for i in range(1000)]"
10000 loops, best of 3: 27.4 usec per loop
Tuple from list comprehension:
$ python3 -m timeit "a = tuple([i for i in range(1000)])"
10000 loops, best of 3: 30.2 usec per loop...
List comprehension vs map
...CAN BE LAZY, and in fact is lazy in python. That means you can do this (in python3) and your computer will not run out of memory and lose all your unsaved data:
>>> map(str, range(10**100))
<map object at 0x2201d50>
Try doing that with a list comprehension:
>>> [str(n) fo...
What are good uses for Python3's “Function Annotations”
Function Annotations: PEP-3107
12 Answers
12
...
How can I connect to MySQL in Python 3 on Windows?
...as it is a fork
Debian and Ubuntu use it to provide both python-mysqldb andpython3-mysqldb packages.
benchmarks here: https://github.com/methane/mysql-driver-benchmarks
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Adobe Photoshop CS6 for Mac (支持Retina屏) 简体中文破解版 - 软件下载 -...
...产品——Adobe PhotoShop CS6 ，所有感兴趣的用户都可以免费下载试用。
此次发布的PS CS6 包括大量优化和调整以及在CS5基础上的一些小升级。最直观的变化要数CS6的整体色调改成更深的灰黑色，按Adobe的说法是为了让用户把注意力...
App Inventor 2 FTP 上传下载全方案总结 · App Inventor 2 中文网
...
App Inventor 2 FTP 上传下载全方案总结
KIO FTPCliente
TaifunFTP （收费的:$12，请自行研究）
FTPClient （收费的:$5，请自行研究）
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目前只能使用拓展...
How do I parse an ISO 8601-formatted date?
...Traceback (most recent call last):
File "", line 1, in
File "/usr/lib/python3.4/_strptime.py", line 500, in _strptime_datetime
tt, fraction = _strptime(data_string, format)
File "/usr/lib/python3.4/_strptime.py", line 337, in _strptime
(data_string, format))
ValueError: time data '200...
Print a string as hex bytes?
...
Note that in python3, the concept of printing a str as hex doesn't really make sense; you'll want to print bytes object as hex (convert str to bytes by calling .encode()).
– mic_e
May 8 '15 at 12:53
...
How to get the ASCII value of a character
...
@Moustache : In Python3, you'll be using Unicode out-of-the-box.
– tricasse
Oct 1 '19 at 9:33
1
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