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Sending mail from Python using SMTP
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For python3, use: from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText
– art
Apr 16 '18 at 15:34
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how to reference a YAML “setting” from elsewhere in the same YAML file?
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This solution didn't work for me (python3?) however with a simple modification to the above it works as expected. Specifically: yaml.SafeLoader.add_constructor(tag='!join', constructor=join) yaml.load(open(fpth, mode='r'), Loader=yaml.SafeLoader)
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How to empty a list?
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You should also measure python3 -mtimeit "l=list(range(1000))" "b=l[:]" to calculate "b[:] = []" and "del b[:]". Do it and lol...
– rockdaboot
Feb 5 '16 at 10:00
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how to find host name from IP with out login to the host
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for python3 change print to a function with parenthesis: python -c "import socket;print(socket.gethostbyaddr('10.16.7.10'))"
– Corey Goldberg
Jul 25 '18 at 14:52
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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...
Jinja2 shorthand conditional
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But python3 interprets empty string as False. So if you write '' or 'a' python will answer 'a'. So your comment can be related to Ruby for example
– user3713526
Jan 13 at 7:58
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What is the difference between UTF-8 and ISO-8859-1?
...II, but UTF-8 is not backwards compatible with ISO-8859-1:
#!/usr/bin/env python3
c = chr(0xa9)
print(c)
print(c.encode('utf-8'))
print(c.encode('iso-8859-1'))
Output:
©
b'\xc2\xa9'
b'\xa9'
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Converting unix timestamp string to readable date
...ccess to the tz database on your system e.g., on Windows):
#!/usr/bin/env python3
from datetime import datetime, timezone
utc_time = datetime.fromtimestamp(unix_timestamp, timezone.utc)
local_time = utc_time.astimezone()
print(local_time.strftime("%Y-%m-%d %H:%M:%S.%f%z (%Z)"))
Functions from th...
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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