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How to randomly sort (scramble) an array in Ruby?
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Built in now:
[1,2,3,4].shuffle => [2, 1, 3, 4]
[1,2,3,4].shuffle => [1, 3, 2, 4]
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Is generator.next() visible in Python 3?
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414
g.next() has been renamed to g.__next__(). The reason for this is consistency: special methods...
Symfony 2 EntityManager injection in service
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python numpy ValueError: operands could not be broadcast together with shapes
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94
dot is matrix multiplication, but * does something else.
We have two arrays:
X, shape (97,2)
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File content into unix variable with newlines
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...> echo $#
...> }
pax> count 1 2 3
3
pax> count a b c d
4
pax> count $x
4
pax> count "$x"
1
Here, the count function simply prints out the number of arguments given. The 1 2 3 and a b c d variants show it in action.
Then we try it with the two variations on the x variable...
Multi-line commands in GHCi
... -> Int
Prelude| addTwo x y = x + y
Prelude| :}
Prelude> addTwo 4 7
11
Note that you can also squeeze this onto one line:
Prelude> let addTwo :: Int -> Int -> Int ; addTwo x y = x + y
You can find out more about interacting with ghci on the Interactive evaluation at the prom...
Where does this come from: -*- coding: utf-8 -*-
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Heroku error: “Permission denied (public key)”
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edited Jul 15 '14 at 19:05
ElGavilan
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Python Matplotlib figure title overlaps axes label when using twiny
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I'm not sure whether it is a new feature in later versions of matplotlib, but at least for 1.3....
Finding row index containing maximum value using R
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answered Apr 13 '09 at 11:44
Danko DurbićDanko Durbić
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