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Understanding the difference between __getattr__ and __getattribute__
...oesn't explicitly manage and do that via __getattr__ method.
Python will call this method whenever you request an attribute that hasn't already been defined, so you can define what to do with it.
A classic use case:
class A(dict):
def __getattr__(self, name):
return self[name]
a = A()...
Order by multiple columns with Doctrine
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Is there a Python caching library?
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Ah, I kept searching for this and all I found was a wiki that mentioned how to use it as an WSGI middleware. It looks like what I need, thank you.
– Stavros Korokithakis
Sep 15 '09 at 14:20
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What is the purpose of the -m switch?
Could you explain to me what the difference is between calling
3 Answers
3
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Solving “Who owns the Zebra” programmatically?
...ution in Python based on constraint-programming:
from constraint import AllDifferentConstraint, InSetConstraint, Problem
# variables
colors = "blue red green white yellow".split()
nationalities = "Norwegian German Dane Swede English".split()
pets = "birds dog cats horse zebra".sp...
What's the best way to send a signal to all members of a process group?
... And if you modify the format slightly and sort, you get to see all processes nicely grouped and beginning with (potentially) the group parent in each group: ps x -o "%r %p %y %x %c" | sort -nk1,2
– haridsv
Dec 3 '12 at 12:18
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What is “function*” in JavaScript?
...tail on the EcmaScript working group wiki: http://wiki.ecmascript.org/doku.php?id=harmony:generators
The working group (TC-39) has general agreement that EcmaScript.next should have some kind of generator iterator proposal, but this is not final.
You shouldn't rely on this showing up without changes...
Should I use a class or dictionary?
...ould your __init__ code go?
Classes are for bundling related data (and usually code).
Dictionaries are for storing key-value relationships, where usually the keys are all of the same type, and all the values are also of one type. Occasionally they can be useful for bundling data when the key/attri...
Usage of __slots__?
What is the purpose of __slots__ in Python — especially with respect to when I would want to use it, and when not?
11 A...
File Upload in WebView
...ew since last few
days and there is no progress. I googled and implemented all suggested
solutions but none works, like: solutions suggested here ,
and so on.
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