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python numpy machine epsilon
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ali_mali_m
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How to check if a line is blank using regex
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answered Jun 10 '10 at 8:35
polygenelubricantspolygenelubricants
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Find which commit is currently checked out in Git
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182
You have at least 5 different ways to view the commit you currently have checked out into your ...
Is MATLAB OOP slow or am I doing something wrong?
... 0.02261 sec 0.23 usec per call
nop1-5() functions: 0.02182 sec 0.22 usec per call
nop() subfunction: 0.02244 sec 0.22 usec per call
@()[] anonymous function: 0.08461 sec 0.85 usec per call
nop(obj) method: 0.24664 sec 2.47 usec per call
no...
Java 8 functional interface with no arguments and no return value
What is the Java 8 functional interface for a method that takes nothing and returns nothing?
3 Answers
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Ruby: How to get the first character of a string
...ial # prints S
The other method mentioned here doesn't work on Ruby 1.8 (not that you should be using 1.8 anymore anyway!--but when this answer was posted it was still quite common):
puts 'Smith'[0] # prints 83
Of course, if you're not doing it on a regular basis, then defining the...
How do I explicitly instantiate a template function?
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184
[EDIT 2]: Note that there was some confusion regarding the code in the original question due to...
Convert data.frame column to a vector?
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8
[..., drop = F] will always return a data frame
– hadley
Aug 16 '11 at 18:19
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How to get unique values in an array
...);
}
}
return arr;
}
var duplicates = [1, 3, 4, 2, 1, 2, 3, 8];
var uniques = duplicates.unique(); // result = [1,3,4,2,8]
console.log(uniques);
For more reliability, you can replace contains with MDN's indexOf shim and check if each element's indexOf is equal to -1: docume...