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Count, size, length…too many choices in Ruby?
...ke an element or predicate and count only those items that match.
> [1,2,3].count{|x| x > 2 }
=> 1
In the case where you don't provide a parameter to count it has basically the same effect as calling length. There can be a performance difference though.
We can see from the source code...
What's your favorite “programmer” cartoon?
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Disable spell checking on IntelliJ IDEA
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Naman
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answered Feb 19 '10 at 18:41
user277236user2...
Hello World in Python [duplicate]
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edited Sep 7 '12 at 6:19
Christian.K
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Are nested transactions allowed in MySQL?
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JQuery string contains check [duplicate]
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254
You can use javascript's indexOf function.
var str1 = "ABCDEFGHIJKLMNOP";
var str2 = "DE...
How to check identical array in most efficient way? [duplicate]
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PHPMyAdmin Default login password [closed]
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edited Aug 6 '14 at 12:48
answered Apr 28 '11 at 12:11
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How to save a list as numpy array in python?
...directly create an array from a list as:
import numpy as np
a = np.array( [2,3,4] )
Or from a from a nested list in the same way:
import numpy as np
a = np.array( [[2,3,4], [3,4,5]] )
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Best way to Format a Double value to 2 Decimal places [duplicate]
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