How to serialize SqlAlchemy result to JSON?
Django has some good automatic serialization of ORM models returned from DB to JSON format.
Python
Check if all elements in a list are identical
I need a function which takes in a list and outputs True if all elements in the input list evaluate as equal to each other using the standard equality operator and False otherwise.
Sometimes the ball doesn’t bounce off the paddle in pong game
I have a simple pong game that mostly works well. But sometimes it occurs the the ball doesn’t bounce of the paddle. The ball wobbles and slides along the paddle and the paddle seems to magnetically pull the ball as shown in the animation:
Convert timestamps with offset to datetime obj using strptime
I am trying to convert time-stamps of the format “2012-07-24T23:14:29-07:00”
to datetime objects in python using strptime method. The problem is with the time offset at the end(-07:00). Without the offset i can successfully do
Check if a string contains a number
Most of the questions I’ve found are biased on the fact they’re looking for letters in their numbers, whereas I’m looking for numbers in what I’d like to be a numberless string.
I need to enter a string and check to see if it contains any numbers and if it does reject it.
Are Python variables pointers? Or else, what are they?
Variables in Python are just pointers, as far as I know.
‘and’ (boolean) vs ‘&’ (bitwise) – Why difference in behavior with lists vs numpy arrays?
What explains the difference in behavior of boolean and bitwise operations on lists vs NumPy arrays?
Understanding the map function
If additional iterable arguments are passed, function must take that many arguments and is applied to the items from all iterables in parallel. If one iterable is shorter than another it is assumed to be extended with None items.
Custom sorting in pandas dataframe
I have python pandas dataframe, in which a column contains month name.
Sorting a Python list by two fields
I have the following list created from a sorted csv