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What is the easiest way to push an element to the beginning of the array?
...f self, moving other elements upwards.
And in use:
irb>> a = [ 0, 1, 2]
=> [0, 1, 2]
irb>> a.unshift('x')
=> ["x", 0, 1, 2]
irb>> a.inspect
=> "["x", 0, 1, 2]"
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Java regex capturing groups indexes
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183
Capturing and grouping
Capturing group (pattern) creates a group that has capturing property....
Which is faster in Python: x**.5 or math.sqrt(x)?
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14 Answers
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What is “entropy and information gain”?
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1051
I assume entropy was mentioned in the context of building decision trees.
To illustrate, ima...
How to open, read, and write from serial port in C?
... serial device converter driver. When I plug it in, it creates: /dev/ttyUSB1.
2 Answers
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Remove an element from a Bash array
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167
The following works as you would like in bash and zsh:
$ array=(pluto pippo)
$ delete=pluto
$...
How to get complete address from latitude and longitude?
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21 Answers
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How to fix the uninitialized constant Rake::DSL problem on Heroku?
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answered Jun 7 '11 at 9:31
KaleKale
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How is Math.Pow() implemented in .NET Framework?
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edited Sep 21 at 1:51
Josh Stodola
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