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Overlaying histograms with ggplot2 in R

... with some output: dat <- data.frame(xx = c(runif(100,20,50),runif(100,40,80),runif(100,0,30)),yy = rep(letters[1:3],each = 100)) ggplot(dat,aes(x=xx)) + geom_histogram(data=subset(dat,yy == 'a'),fill = "red", alpha = 0.2) + geom_histogram(data=subset(dat,yy == 'b'),fill = "blue", alph...
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how to add script src inside a View when using Layout

... Brad ChristieBrad Christie 94k1414 gold badges135135 silver badges187187 bronze badges ...
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Rebase a single Git commit

... answered Jan 31 '13 at 21:46 tewetewe 2,25333 gold badges1919 silver badges1818 bronze badges ...
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Selectively revert or checkout changes to a file in Git?

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String literals and escape characters in postgresql

... | edited Mar 4 '10 at 23:08 answered Aug 4 '08 at 1:07 ...
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Show a PDF files in users browser via PHP/Perl

... 49 I assume you want the PDF to display in the browser, rather than forcing a download. If that is...
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How to construct a set out of list items in python?

...| edited Apr 2 '13 at 16:14 answered Apr 2 '13 at 16:02 mgi...
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How can I have linked dependencies in a git repo?

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Android: textColor of disabled button in selector not showing?

... | edited May 1 '18 at 23:41 Daniel Nugent 39.6k1313 gold badges100100 silver badges123123 bronze badges ...
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Mocking a class: Mock() or patch()?

... return MyClass() ... >>> x = create_instance() Created MyClass@4299548304 >>> >>> @mock.patch('__main__.MyClass') ... def create_instance2(MyClass): ... MyClass.return_value = 'foo' ... return create_instance() ... >>> i = create_instance2() >>> ...