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Python: TypeError: cannot concatenate 'str' and 'int' objects [duplicate]
I have this python program that adds strings to integers:
9 Answers
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Why does “return list.sort()” return None, not the list?
...2 lines. It would have been nicer had the methods returned the list! docs.python.org/3/tutorial/datastructures.html This same message bit me by doing just that. Consequently you have to break the thing into two lines, You have to use .sort() NOT sorted() on the list afterwards, since this generate...
Why are global variables evil? [closed]
...ng to find out why the use of global is considered to be bad practice in python (and in programming in general). Can somebody explain? Links with more info would also be appreciated.
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How do I pass a string into subprocess.Popen (using the stdin argument)?
...grep_stdout.decode())
# -> four
# -> five
# ->
On the current Python 3 version, you could use subprocess.run, to pass input as a string to an external command and get its exit status, and its output as a string back in one call:
#!/usr/bin/env python3
from subprocess import run, PIPE
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Python: changing value in a tuple
I'm new to python so this question might be a little basic. I have a tuple called values which contains the following:
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python: Change the scripts working directory to the script's own directory
I run a python shell from crontab every minute:
4 Answers
4
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Rename Files and Directories (Add Prefix)
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Some systems have a util-linux utility called "rename" which works differently (on Ubuntu it's called "rename.ul").
– Paused until further notice.
Jan 24 '11 at 23:07
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Get last result in interactive Python shell
...% to retrieve the last computed value. Is there a similar facility in the Python shell?
3 Answers
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Split a string by spaces — preserving quoted substrings — in Python
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@MatthewG. The "fix" in Python 2.7.3 means that passing a unicode string to shlex.split() will trigger a UnicodeEncodeError exception.
– Rockallite
Nov 1 '19 at 3:06
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Inverse dictionary lookup in Python
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python has a .index method on lists the returns the first found index with the specified value or an exception if not found... any reason why such a semantic could not be applied to dictionaries?
– Bria...