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What is the easiest way to get current GMT time in Unix timestamp format?

Python provides different packages ( datetime , time , calendar ) as can be seen here in order to deal with time. I made a big mistake by using the following to get current GMT time time.mktime(datetime.datetime.utcnow().timetuple()) ...
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Get the cartesian product of a series of lists?

... itertools.product Available from Python 2.6. import itertools somelists = [ [1, 2, 3], ['a', 'b'], [4, 5] ] for element in itertools.product(*somelists): print(element) Which is the same as, for element in itertools.product([1, 2, 3], ['a',...
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Rename a dictionary key

... a new key and removing the old key is how you can achieve the "rename" in python. share | improve this answer | follow | ...
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What's the difference between django OneToOneField and ForeignKey?

...eld(Engine) Car2 model uses ForeignKey(Engine2, unique=True) From within python manage.py shell execute the following: OneToOneField Example >>> from testapp.models import Car, Engine >>> c = Car.objects.get(name='Audi') >>> e = Engine.objects.get(name='Diesel') >&g...
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What's the difference between lists enclosed by square brackets and parentheses in Python?

...ove 'y=x' example , list and tuple behave in the same way now (verified in python3.8.5) – Youjun Hu Aug 15 at 9:11 add a comment  |  ...
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Is there a decorator to simply cache function return values?

... Starting from Python 3.2 there is a built-in decorator: @functools.lru_cache(maxsize=100, typed=False) Decorator to wrap a function with a memoizing callable that saves up to the maxsize most recent calls. It can save time when an expen...
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Python: access class property from string [duplicate]

I have a class like the following: 4 Answers 4 ...
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Convert all strings in a list to int

In Python, I want to convert all strings in a list to integers. 4 Answers 4 ...