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What is “entropy and information gain”?
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Ashley 1 3 6 f
Brian 0 2 5 m
Caroline 1 4 8 f
David 0 2 5 m
The goal is to build a decision tree. An example of a tree would be:
length<7
| num-vowels<3: mal...
Drawing Isometric game worlds
What is the correct way to draw isometric tiles in a 2D game?
6 Answers
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Calculate distance between two points in google maps V3
... two markers in Google maps V3? (Similar to the distanceFrom function inV2.)
15 Answers
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Updating Bootstrap to version 3 - what do I have to do?
I'm new to Bootstrap and have the older version 2.3.2.
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Bundler: Command not found
...h: bundle: command not found'. From gem list --local I see 'bundler (1.0.2, 1.0.0)' is installed.
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Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
...sm, md, lg) for now, I'll start with just the numbers...
the numbers (1-12) represent a portion of the total width of any div
all divs are divided into 12 columns
so, col-*-6 spans 6 of 12 columns (half the width), col-*-12 spans 12 of 12 columns (the entire width), etc
So, if you want two equal...
How to format numbers by prepending 0 to single-digit numbers?
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What is the most pythonic way to check if an object is a number?
...ber from the numbers module to test isinstance(n, Number) (available since 2.6).
>>> from numbers import Number
... from decimal import Decimal
... from fractions import Fraction
... for n in [2, 2.0, Decimal('2.0'), complex(2, 0), Fraction(2, 1), '2']:
... print(f'{n!r:>14} {isinst...
Why do people say there is modulo bias when using a random number generator?
...Now what happens if you want to generate a random number between say 0 and 2? For the sake of explanation, let's say RAND_MAX is 10 and I decide to generate a random number between 0 and 2 by calling rand()%3. However, rand()%3 does not produce the numbers between 0 and 2 with equal probability!
W...
How to change the order of DataFrame columns?
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