
What does the 'with' statement do in python? - Stack Overflow
Sep 13, 2013 · I am new to Python. In one tutorial of connecting to mysql and fetching data, I saw the with statement. I read about it and it was something related to try-finally block. But I couldn't find a …
python - What does "del" do exactly? - Stack Overflow
58 Python is a garbage-collected language. If a value isn't "reachable" from your code anymore, it will eventually get deleted. The del statement, as you saw, removes the binding of your variable. …
python - What does -1 mean in numpy reshape? - Stack Overflow
Sep 9, 2013 · The criterion to satisfy for providing the new shape is that 'The new shape should be compatible with the original shape' numpy allow us to give one of new shape parameter as -1 (eg: (2, …
What does 'is' operator do in Python? - Stack Overflow
Aug 16, 2013 · Admittedly, there's far better ways of doing this, but we're being pathological here. (Admittedly the above makes more sense to a reader than the needed if !result: with linux-esque …
What Does the python -v Command Do - Stack Overflow
May 15, 2017 · 0 The python -v command is used to run the Python interpreter in verbose mode. When this command is executed, it displays detailed information about the Python program's execution, …
What does the 'b' character do in front of a string literal?
I don't think this applies to Python. I did find this documentation on the Python site about using a u character in the same syntax to specify a string as Unicode. Unfortunately, it doesn't mention the b …
python - What does enumerate () mean? - Stack Overflow
Mar 4, 2014 · What does for row_number, row in enumerate (cursor): do in Python? What does enumerate mean in this context?
What does the list () function do in Python? - Stack Overflow
Oct 27, 2014 · In general, one of the nicer things about python is that you don't have to worry about esoteric nuances for built-in types. You'll do better if you just spend time actually using the built-in …
What does Python's eval() do? - Stack Overflow
See Using python's eval () vs. ast.literal_eval () for a potentially safer technique. See How do I use raw_input in Python 3? for background context on why a book might have contained code like this, or …
types - What does typing.cast do in Python? - Stack Overflow
Jul 21, 2018 · What does typing.cast do in Python? Asked 7 years, 4 months ago Modified 1 year, 9 months ago Viewed 58k times