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What is the syntax rule for having trailing commas in tuple definitions?
...
It's optional: see the Python wiki.
Summary: single-element tuples need a trailing comma, but it's optional for multiple-element tuples.
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npm install errors with Error: ENOENT, chmod
... if there is a files key AND the bin folder into.
– Rémi Becheras
Mar 22 '17 at 11:10
Thanks, this helped me get unst...
How can I remove an element from a list?
... interest=c("reading","music","movies"),
lang=list(r=2,csharp=4,python=3)),
p2=list(name="James",age=25,
interest=c("sports","music"),
lang=list(r=3,java=2,cpp=5)),
p3=list(name="Penny",age=24,
interest=c("movies","reading"),
lang=list(r=1,cpp=4,python=2)))...
Shell - How to find directory of some command?
...or if it is a built-in command, using the where command e.g.:
tcsh% where python
/usr/local/bin/python
/usr/bin/python
tcsh% where cd
cd is a shell built-in
/usr/bin/cd
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How to customize a requirements.txt for multiple environments?
...nt configuration in two files (Pipfile and Pipfile.lock). Heroku's current Python buildpack natively supports pipenv and will configure itself from Pipfile.lock if it exists instead of requirements.txt.
See the pipenv link for full documentation of the tool.
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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 open Atom editor from command line in OS X?
... terminal to remove the symlinks
– Jonathan Morales Vélez
May 24 '14 at 15:41
7
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How to convert local time string to UTC?
...ing .utcnow() or .utcfromtimestamp(xxx). As you've presumably moved on to python3,you should be using timezone aware datetime objects.
>>> from datetime import timezone
>>> dt_now = datetime.now(tz=timezone.utc)
>>> dt_ts = datetime.fromtimestamp(1571595618.0, tz=timezone...
Android Studio says “cannot resolve symbol” but project compiles
... up did the trick for me! (Android Studio 3.0.1).
– Sébastien
Nov 30 '17 at 13:02
Yeah it's not important what depend...
Bash: infinite sleep (infinite blocking)
...> pause.c;
diet -Os cc pause.c -o pause;
strip -s pause;
ls -al pause
python
If you do not want to compile something yourself, but you have python installed, you can use this under Linux:
python -c 'while 1: import ctypes; ctypes.CDLL(None).pause()'
(Note: Use exec python -c ... to replace ...