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How to check if a string “StartsWith” another string?
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answered Mar 14 '09 at 20:19
Christian C. SalvadóChristian C. Salvadó
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Geometric Mean: is there a built-in?
...ositive values.
gm_mean = function(x, na.rm=TRUE){
exp(sum(log(x[x > 0]), na.rm=na.rm) / length(x))
}
Thanks to @ben-bolker for noting the na.rm pass-through and @Gregor for making sure it works correctly.
I think some of the comments are related to a false-equivalency of NA values in the d...
Fill SVG path element with a background-image
...<defs>
<pattern id="img1" patternUnits="userSpaceOnUse" width="100" height="100">
<image href="wall.jpg" x="0" y="0" width="100" height="100" />
</pattern>
</defs>
Adjust the width and height according to your image, then reference it from the path like this:
&...
Determine version of Entity Framework I am using?
...e two versions 1 and 2? And version 2 is referred to as Entity Framework 4.0?
10 Answers
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Android: How to change CheckBox size?
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answered Jan 28 '10 at 7:36
moraesmoraes
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Why is printing to stdout so slow? Can it be sped up?
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I ran your file writing test on my machine, and with buffering, it also 0.05s here for 100,000 lines.
However, with the above modifications to write unbuffered, it takes 40 seconds to write only 1,000 lines to disk. I gave up waiting for 100,000 lines to write, but extrapolating from the previou...
Get free disk space
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edited Sep 20 '11 at 15:25
Superman
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Shading a kernel density plot between two points.
...x(which(dens$x < q95))
with(dens, polygon(x=c(x[c(x1,x1:x2,x2)]), y= c(0, y[x1:x2], 0), col="gray"))
Output (added by JDL)
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Selecting data frame rows based on partial string match in a column
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150
I notice that you mention a function %like% in your current approach. I don't know if that's a r...
How do I add 1 day to an NSDate?
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720
Swift 5.0 :
var dayComponent = DateComponents()
dayComponent.day = 1 // For removing...