Generic[T] base class – how to get type of T from within instance?
Assume you have a Python class that inherits from Generic[T]. Is there any way to get a hold of the actual type passed in from within the class/instance?
Python
Why does the session cookie work when serving from a domain but not when using an IP?
I have a Flask application with sessions that works well on my local development machine. However, when I try to deploy it on an Amazon server, sessions do not seem to work.
Does filehandle get closed automatically in Python after it goes out of scope?
If I do the following, does filehandle get closed automatically as it goes out of scope in Python:
Performance of zeros function in Numpy
I just noticed that the zeros function of numpy has a strange behavior :
Creating an empty list in Python
What is the best way to create a new empty list in Python?
Simple python inheritance
class Animal(object): def __init__(self, nlegs=4): print '__init__ Animal' self.nlegs = nlegs class Cat(Animal): def __init__(self, talk='meow'): print '__init__ Cat' self.talk = talk class Dog(Animal): def __init__(self, talk='woof'): print '__init__ Dog' self.talk = talk Why does my cat tom = Cat() not have an nlegs attribute? Should we explicitly call Animal.__init__() from within Cat.__init__, or should … Read more
NumPy Broadcasting: Calculating sum of squared differences between two arrays
I have the following code. It is taking forever in Python. There must be a way to translate this calculation into a broadcast…
What is the source code of the “this” module doing?
If you open a Python interpreter, and type “import this”, as you know, it prints:
Logical operators in Python
While reading about logical operators in python, I came across the following expressions:
How can I limit the user input to only integers in Python
I’m trying to make a multiple choice survey that allows the user to pick from options 1-x. How can I make it so that if the user enters any characters besides numbers, return something like “That’s an invalid answer”