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Is there an R function for finding the index of an element in a vector?
... match works on vectors :
x <- sample(1:10)
x
# [1] 4 5 9 3 8 1 6 10 7 2
match(c(4,8),x)
# [1] 1 5
match only returns the first encounter of a match, as you requested. It returns the position in the second argument of the values in the first argument.
For multiple matching, %in% is t...
How does one make random number between range for arc4random_uniform()?
... is to randomly roll two dice and as we all know your regular die only has 6 sides so I imported Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too much. I tried to do this:
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Where is shared_ptr?
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169
There are at least three places where you may find shared_ptr:
If your C++ implementation sup...
How to open the Chrome Developer Tools in a new window?
... window" option.
– katalin_2003
Nov 6 '14 at 21:48
5
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Java 8 functional interface with no arguments and no return value
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edited Aug 16 '16 at 7:58
Roland
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Can angularjs routes have optional parameter values?
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Armin
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answered Oct 7 '13 at 12:20
g-eorgeg-eorge
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Difference between Google APIs (x86 System Image) and Google APIs (ARM System Image) in Android 4.4.
...roid devices in common use.
As developer workstations are usually Intel x86 based, the ARM instruction set had to be emulated as well. This resulted in poor performance from the AVDs due mainly to the amount of translation the x86 processor was doing to also emulate the ARM instruction set.
At And...
Convert HttpPostedFileBase to byte[]
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260
As Darin says, you can read from the input stream - but I'd avoid relying on all the data being...