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How to test multiple variables against a value?
...f three letters. I was wondering if there was a way to translate this into Python. So say:
25 Answers
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Parse email content from quoted reply
... what, if you're interested in the threading process, check out this great PDF on reassembling email threads.
When you don't have the thread:
If you are stuck with only one message from the thread, you're doing to have to try to guess what the quote is. In that case, here are the different quotat...
How do I create a datetime in Python from milliseconds?
... Java by java.util.Date(milliseconds) . How do I create the comparable in Python?
5 Answers
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Is there a built in function for string natural sort?
Using Python 3.x, I have a list of strings for which I would like to perform a natural alphabetical sort.
18 Answers
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Check if a given key already exists in a dictionary and increment it
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You are looking for collections.defaultdict (available for Python 2.5+). This
from collections import defaultdict
my_dict = defaultdict(int)
my_dict[key] += 1
will do what you want.
For regular Python dicts, if there is no value for a given key, you will not get None when access...
Why do we use __init__ in Python classes?
...w, class to add things is not sensible - what is it a class of? Classes in Python make up of collections of different data, that behave similarly. Class of dogs consists of Fido and Spot and 199999999998 other animals similar to them, all of them peeing on lampposts. What does the class for adding t...
Aren't Python strings immutable? Then why does a + “ ” + b work?
My understanding was that Python strings are immutable.
22 Answers
22
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Sort a list of tuples by 2nd item (integer value) [duplicate]
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This still works well with Python 3.7.
– jftuga
Oct 30 '18 at 20:44
3
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What algorithms compute directions from point A to point B on a map?
...roven for correctness:
http://algo2.iti.uka.de/schultes/hwy/schultes_diss.pdf
Here's a google tech talk on the subject:
http://www.youtube.com/watch?v=-0ErpE8tQbw
Here's a implementation of the highway-hierarchies algorithm as discussed by schultes (currently in berlin only, I'm writing the inte...
Plotting a list of (x, y) coordinates in python matplotlib
...ve a list of pairs (a, b) that I would like to plot with matplotlib in python as actual x-y coordinates. Currently, it is making two plots, where the index of the list gives the x-coordinate, and the first plot's y values are the a s in the pairs and the second plot's y values are the b s in t...