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What is the best way to implement nested dictionaries?
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What is the best way to implement nested dictionaries in Python?
This is a bad idea, don't do it. Instead, use a regular dictionary and use dict.setdefault where apropos, so when keys are missing under normal usage you get the expected KeyError. If you insist on getting this behav...
Add list to set?
Tested on Python 2.6 interpreter:
12 Answers
12
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Django Passing Custom Form Parameters to Formset
...read here doesn't make sense, it's because I just edited the answer to use Python's functools.partial instead of Django's django.utils.functional.curry. They do the same thing, except that functools.partial returns a distinct callable type instead of a regular Python function, and the partial type d...
How to convert a file into a dictionary?
... will be automatically closed. You can read more about context-managers in Python here: effbot.org/zone/python-with-statement.htm
– Vlad H
Jan 26 '11 at 11:49
1
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What is the difference between encode/decode?
...ason -- see below). It is mainly there for historical reasons, i think. In Python 3 it is completely gone.
unicode().decode() will perform an implicit encoding of s using the default (ascii) codec. Verify this like so:
>>> s = u'ö'
>>> s.decode()
Traceback (most recent call last...
How to get the caller's method name in the called method?
Python: How to get the caller's method name in the called method?
8 Answers
8
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What is monkey patching?
...ace the get_data method with a stub that returns some fixed data.
Because Python classes are mutable, and methods are just attributes of the class, you can do this as much as you like - and, in fact, you can even replace classes and functions in a module in exactly the same way.
But, as a commente...
Convert datetime object to a String of date only in Python
I see a lot on converting a date string to an datetime object in Python, but I want to go the other way.
I've got
11 A...
All combinations of a list of lists
I'm basically looking for a python version of Combination of List<List<int>>
7 Answers
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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...