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Python list directory, subdirectory, and files
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In Python3 use parenthesis for print function print(os.path.join(path, name))
– Ehsan
Aug 7 at 11:31
ad...
Auto reloading python Flask app upon code changes
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or pyvenv in python3.5, flask run also works, since when you pip install flask, a flask executable file is also installed in the venv/bin/ folder.
– TonyTony
Jan 4 '17 at 14:00
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Pickle or json?
...k, but I had an existing game where it was saving the levels using pickle (python3). I wanted to try jsonpickle for the human readable aspect - however the level saves were sadly much slower. 1597ms for jsonpickle and 88ms or regular pickle on level save. For level load, 1604ms for jsonpickle and 38...
一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区，...
...Z全面的数据及数据解析）
下载链接：
http://www.viewtool.com/index.php/22-2016-07-29-02-11-32/205-hollong-4-0-4-1-ble
4. MTU 请求（REQEUST）
完整数据（以下关注蓝色标注部分）
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Get list from pandas DataFrame column headers
...posted so far, so I'll just leave this here.
Extended Iterable Unpacking (python3.5+): [*df] and Friends
Unpacking generalizations (PEP 448) have been introduced with Python 3.5. So, the following operations are all possible.
df = pd.DataFrame('x', columns=['A', 'B', 'C'], index=range(5))
df
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How to print a string in fixed width?
...t;5}' indicates the argument’s index passed to str.format().
Edit 2:
In python3 one could use also f-string:
sub_str='s'
for i in range(1,6):
s = sub_str*i
print(f'{s:>5}')
' s'
' ss'
' sss'
' ssss'
'sssss'
or:
for i in range(1,5):
s = sub_str*i
print(f'{s:&...
A Regex that will never be matched by anything
...r regarding timing, as I found the exact opposite measured with timeit and python3.
– nivk
Nov 4 '17 at 20:59
It's not...
程序员之网络安全系列（六）：动态密码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...被盗的风险：
在多个网站上使用同一密码
从互联网上下载软件
点击电子邮件中的链接
想像一下您无法访问自己的帐户及其中的内容，当别有用心的人盗取您的密码后，他们能让您无法访问自己的帐户，还可以执行以下操...
Python import csv to list
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Update for Python3:
import csv
from pprint import pprint
with open('text.csv', newline='') as file:
reader = csv.reader(file)
res = list(map(tuple, reader))
pprint(res)
Output:
[('This is the first line', ' Line1'),
('Thi...
How do I make python wait for a pressed key?
...on 2, is to use raw_input():
raw_input("Press Enter to continue...")
In python3 it's just input()
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