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Extending the User model with custom fields in Django

...ing the fields for additional information. This one-to-one model is often called a profile model, as it might store non-auth related information about a site user. That said, extending django.contrib.auth.models.User and supplanting it also works... Substituting a custom User model Some kinds of p...
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How to delete a character from a string using Python

... M might not be unique. In that case, this will replace all the Ms, right? – Lazer Aug 24 '10 at 18:21 14 ...
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How do I find numeric columns in Pandas?

Let's say df is a pandas DataFrame. I would like to find all columns of numeric type. Something like: 11 Answers ...
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How to determine if one array contains all elements of another array

... Perhaps this is easier to read: a2.all? { |e| a1.include?(e) } You can also use array intersection: (a1 & a2).size == a1.size Note that size is used here just for speed, you can also do (slower): (a1 & a2) == a1 But I guess the first is more re...
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Python, Unicode, and the Windows console

...at's the best way around this? Is there any way I can make Python automatically print a ? instead of failing in this situation? ...
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Functional programming - is immutability expensive? [closed]

...’d like to clarify some points. The “in-place” quicksort isn’t really in-place (and quicksort is not by definition in-place). It requires additional storage in the form of stack space for the recursive step, which is in the order of O(log n) in the best case, but O(n) in the worst case. Im...
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How are booleans formatted in Strings in Python?

...False) True, False This is not specific to boolean values - %r calls the __repr__ method on the argument. %s (for str) should also work. share | improve this answer | foll...
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Should I use 'has_key()' or 'in' on Python dicts?

... in is definitely more pythonic. In fact has_key() was removed in Python 3.x. share | improve this answer | follow | ...
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How to fix “containing working copy admin area is missing” in SVN?

I deleted manually a directory I just added, offline, in my repository. I can't restore the directory. 21 Answers ...
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How do I list loaded plugins in Vim?

... Not a VIM user myself, so forgive me if this is totally offbase. But according to what I gather from the following VIM Tips site: " where was an option set :scriptnames : list all plugins, _vimrcs loaded (super) :verbose set history? : reveals value of hist...