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Changing one character in a string
...e ASCII, even if you're an English speaker in an English speaking country. Python3's biggest backward incompatibility, and in my opinion most important, is fixing this whole byte = string false equivalency. Do not bring it back.
– Adam
Aug 25 '18 at 5:12
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How can I format a decimal to always show 2 decimal places?
...nge 2 in 2f to any number of decimal points you want to show.
EDIT:
From Python3.6, this translates to:
>>> print(f"{1.1234:.2f}")
1.12
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How to find out if a Python object is a string?
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@johnktejik python3 vs python2. You need to check for basestring in py2.
– erikbwork
Aug 29 '18 at 13:31
add a c...
How to upgrade all Python packages with pip?
...s present within multiple Python environments. Compatible with Python2.7+, Python3.4+ and pip9+, pip10+, pip18+, pip19+.
NOTE: I'm the author of the tool.
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How to print an exception in Python?
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In python3, must use the 1st way, with "as".
– Sam Watkins
Jul 1 '14 at 7:34
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How do you create a daemon in Python?
..., with stock Python packages, python2.7 and python-daemon installed. With python3, however, I see error, " from daemon import runner ImportError: No module named 'daemon'"
– Dustin Kirkland
Sep 5 '13 at 16:19
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Python Flask, how to set content type
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You can try the following method(python3.6.2)：
case one：
@app.route('/hello')
def hello():
headers={ 'content-type':'text/plain' ,'location':'http://www.stackoverflow'}
response = make_response('<h1>hello world</h1>',301)
respo...
How to create dictionary and add key–value pairs dynamically?
...key can be anything hashable, keys are ordered by hash after all, which in python3 differs each run.
– Tcll
Aug 15 '19 at 9:55
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Convert python datetime to epoch with strftime
..._timestamp
1522942073L
and depends only on datetime
works in python2 and python3
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Force line-buffering of stdout when piping to tee
...f will not work, but you can use -u to disable buffering on python's side: python3 -u a.py | tee output.txt
– Honza
Jan 2 at 13:56
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