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How to dump a dict to a json file?
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you can supply all those parameters to dump(sample, file, ...) too. The extra step of writing to a string is not needed. dump internally writes in chunks. This could be more efficient than to compile a (possibly huge) string first.
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How do you create a daemon in Python?
...Sander Marechal's code sample is superior to the original, which was originally posted in 2004. I once contributed a daemonizer for Pyro, but would probably use Sander's code if I had to do it over.
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Creating an empty Pandas DataFrame, then filling it?
...utocompletion), but that works with strings as date format, right? The overall approach works though (I changed index to something else).
– Matthias Kauer
Dec 15 '12 at 8:42
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How to simulate Android killing my process
...tivityA instead.
This is what Android docs are saying about that:
Normally, the system clears a task (removes all activities from the stack above the root activity) in certain situations when the user re-selects that task from the home screen. Typically, this is done if the user hasn't visited ...
How to get an absolute file path in Python
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Note: On most platforms, this is equivalent to calling the function normpath() as follows: normpath(join(os.getcwd(), path)). So if mydir/myfile.txt do not under os.getcwd(), the absolute path is not the real path.
– coanor
Nov 25 '14...
The key must be an application-specific resource id
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That's the best way to get unique tag id ? Really Android ?
– jimmy0251
Mar 13 '15 at 10:24
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What permission do I need to access Internet from an Android application?
... internet for my apk. No permission added to manifest, but if i try to install apk, installation inform me, that apk need FULL INTERNET ACCESS. How to solve this problem ? no permissions added to manifest. My apk not required full internet access - i want disable this permision.
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How to check if a variable is a dictionary in Python?
...t, defaultdict, or Counter from the collections module:
if isinstance(any_object, dict):
But there are even more flexible options.
Supporting abstractions:
from collections.abc import Mapping
if isinstance(any_object, Mapping):
This allows the user of your code to use their own custom implem...
How to fix “ImportError: No module named …” error in Python?
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@Editor: __init__.py only indicates that the directory should be treated as a package, when its parent is either in sys.path or is itself a package.
– Ignacio Vazquez-Abrams
Jan 4 '14 at 23:15
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“for loop” with two variables? [duplicate]
... the request for "a function that will read lists "t1" and "t2" and return all elements that are identical", I don't think the OP wants zip or product. I think they want a set:
def equal_elements(t1, t2):
return list(set(t1).intersection(set(t2)))
# You could also do
# return list(set(...