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Overlaying histograms with ggplot2 in R

... Your current code: ggplot(histogram, aes(f0, fill = utt)) + geom_histogram(alpha = 0.2) is telling ggplot to construct one histogram using all the values in f0 and then color the bars of this single histogram according to the variable utt. What you want instead is...
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Underscore: sortBy() based on multiple attributes

...dArray = _(patients).chain().sortBy(function(patient) { return patient[0].name; }).sortBy(function(patient) { return patient[0].roomNumber; }).value(); When the second sortBy finds that John and Lisa have the same room number it will keep them in the order it found them, which the first so...
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What does multicore assembly language look like?

... 10 Answers 10 Active ...
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MySQL root access from all hosts

...t way is to comment out the line in your my.cnf file: #bind-address = 127.0.0.1 and restart mysql service mysql restart By default it binds only to localhost, but if you comment the line it binds to all interfaces it finds. Commenting out the line is equivalent to bind-address=*. To check wh...
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Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive

I just installed vs 2010, followed by IIS in window 7. when building a website in .net framework 4.0 and convert this into application in IIS then its shows this error ...
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Java optional parameters

... | edited May 20 '11 at 10:27 WarFox 4,43333 gold badges2525 silver badges3131 bronze badges ...
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Draw in Canvas by finger, Android

... +200 Start By going through the Fingerpaint demo in the sdk sample. Another Sample: public class MainActivity extends Activity { D...
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Analyze audio using Fast Fourier Transform

... 209 The array you are showing is the Fourier Transform coefficients of the audio signal. These coef...
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Difference between Big-O and Little-O Notation

... O(g) says, essentially For at least one choice of a constant k > 0, you can find a constant a such that the inequality 0 <= f(x) <= k g(x) holds for all x > a. Note that O(g) is the set of all functions for which this condition holds. f ∈ o(g) says, essentially For every c...
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How does the algorithm to color the song list in iTunes 11 work? [closed]

... +50 I approximated the iTunes 11 color algorithm in Mathematica given the album cover as input: How I did it Through trial and error...