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What are “connecting characters” in Java identifiers?
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Here is a list of connecting characters. These are characters used to connect words.
http://w...
How do you calculate log base 2 in Java for integers?
I use the following function to calculate log base 2 for integers:
10 Answers
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How do I check which version of NumPy I'm using?
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import numpy
numpy.version.version
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SQL RANK() versus ROW_NUMBER()
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ROW_NUMBER : Returns a unique number for each row starting with 1. For rows that have duplicat...
Is there a better way to iterate over two lists, getting one element from each list for each iterati
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This is as pythonic as you can get:
for lat, long in zip(Latitudes, Longitudes):
print la...
How to create an object for a Django model with a many to many field?
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You cannot create m2m relations from unsaved objects. If you have the pks, try this:
sample_o...
In c# is there a method to find the max of 3 numbers?
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Well, you can just call it twice:
int max3 = Math.Max(x, Math.Max(y, z));
If you find yoursel...
What would cause an algorithm to have O(log n) complexity?
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I have to agree that it's pretty weird the first time you see an O(log n) algorithm... where o...
Weighted random numbers
...e items have individual weights:
1) calculate the sum of all the weights
2) pick a random number that is 0 or greater and is less than the sum of the weights
3) go through the items one at a time, subtracting their weight from your random number, until you get the item where the random number is ...
Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
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