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Is “double hashing” a password less secure than just hashing it once?
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Hashing a password once is insecure
No, multiple hashes are not less secure; they are an esse...
How to insert element into arrays at specific position?
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23 Answers
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Could not calculate build plan: Plugin org.apache.maven.plugins:maven-resources-plugin:2.5 or one of
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numpy: most efficient frequency counts for unique values in an array
...ence/generated/numpy.bincount.html
import numpy as np
x = np.array([1,1,1,2,2,2,5,25,1,1])
y = np.bincount(x)
ii = np.nonzero(y)[0]
And then:
zip(ii,y[ii])
# [(1, 5), (2, 3), (5, 1), (25, 1)]
or:
np.vstack((ii,y[ii])).T
# array([[ 1, 5],
[ 2, 3],
[ 5, 1],
[25, ...
Fast Bitmap Blur For Android SDK
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answered Jan 15 '10 at 2:03
LukeLuke
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Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]
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answered Jul 2 '13 at 17:10
andersschullerandersschuller
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How can I check if a program exists from a Bash script?
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Difference between del, remove and pop on lists
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The effects of the three different methods to remove an element from a list:
remove removes the...
How should I store GUID in MySQL tables?
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thaBadDawgthaBadDawg
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How to map with index in Ruby?
...methods like map on. So you can do:
arr.each_with_index.map { |x,i| [x, i+2] }
In 1.8.6 you can do:
require 'enumerator'
arr.enum_for(:each_with_index).map { |x,i| [x, i+2] }
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