python Programming Glossary: duck

http://stackoverflow.com/questions/1011431/common-pitfalls-in-python

checking for type makes you lose flexibility. Instead use duck typing by checking behavior. E.G you expect a string in a function..

Differences between isinstance() and type() in python

http://stackoverflow.com/questions/1549801/differences-between-isinstance-and-type-in-python

normal Pythonic preferred solution is almost invariably duck typing try using the argument as if it was of a certain desired.. was not in fact of that type or any other type nicely duck mimicking it and in the except clause try something else using.. makes it clear that while ABCs can often substitute for duck typing there is generally no big pressure to do that see here..

Python - How do I pass a string into subprocess.Popen (using the stdin argument)?

http://stackoverflow.com/questions/163542/python-how-do-i-pass-a-string-into-subprocess-popen-using-the-stdin-argument

object doesn't quack close enough to a file duck to suit subprocess.Popen. How do I work around this python..

In Python, how do I determine if an object is iterable?

http://stackoverflow.com/questions/1952464/in-python-how-do-i-determine-if-an-object-is-iterable

relationship to some type object If it looks like a duck and quacks like a duck it must be a duck . By emphasizing interfaces.. some type object If it looks like a duck and quacks like a duck it must be a duck . By emphasizing interfaces rather than specific.. it looks like a duck and quacks like a duck it must be a duck . By emphasizing interfaces rather than specific types well..

The Python yield keyword explained

http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained

with strings lists tuples and generators This is called duck typing and is one of the reason why Python is so cool. But this..

Python Module Initialization Order?

http://stackoverflow.com/questions/3082015/python-module-initialization-order

easily handle the situation. You may see this pattern try duck.quack except NameError pass which does nothing if duck does.. try duck.quack except NameError pass which does nothing if duck does not exist. Actually what you'll more commonly see is try.. not exist. Actually what you'll more commonly see is try duck.quack except AttributeError pass which does nothing if duck..

Difference between abstract class and interface in Python

http://stackoverflow.com/questions/372042/difference-between-abstract-class-and-interface-in-python

and interface is a hairsplitting thing when you have duck typing. Java uses interfaces because it doesn't have multiple..

Please advise on Ruby vs Python, for someone who likes LISP a lot

http://stackoverflow.com/questions/405165/please-advise-on-ruby-vs-python-for-someone-who-likes-lisp-a-lot

go with Ruby. It's got all kinds of metaprogramming and duck punching hacks that make it really easy to extend. Features..

Function overloading in Python: Missing [closed]

http://stackoverflow.com/questions/733264/function-overloading-in-python-missing

into methods. In Python I think it's more accepted to use duck typing asking what an object can do rather than what it is...

How do I use Python's itertools.groupby()?

http://stackoverflow.com/questions/773/how-do-i-use-pythons-itertools-groupby

from itertools import groupby things animal bear animal duck plant cactus vehicle speed boat vehicle school bus for key group.. print This will give you the output A bear is a animal. A duck is a animal. A cactus is a plant. A speed boat is a vehicle... . This will give you the output animals bear and duck. plants cactus. vehicles speed boat and school bus. Python's..