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ggplot2 keep unused levels barplot
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df <- data.frame(type=c("A", "A", "A", "B", "B"), group=rep("group1", 5))
df1 <- data.frame(type=c("A", "A", "A", "B", "B", "A", "A", "C", "B", "B"), group=c(rep("group1", 5),rep("group2", 5)))
df$type <- factor(df$type, levels=c("A","B", "C"))
df1$type <- factor(df1$type, levels=c("A"...
For files in directory, only echo filename (no path)
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Print variables in hexadecimal or decimal format
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remcycles
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answered Mar 12 '12 at 17:28
cnicutarcnicutar
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What is the IntelliJ shortcut key to create a javadoc comment?
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edited Jan 4 '17 at 1:53
Jared Burrows
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Make Heroku run non-master Git branch
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answered Jan 29 '13 at 22:54
jordelverjordelver
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Declaring a default constraint when creating a table
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edited Aug 16 '15 at 13:10
community wiki
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Permanently Set Postgresql Schema Path
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edited Apr 18 '18 at 0:15
vitaly-t
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Named regular expression group “(?Pregexp)”: what does “P” stand for?
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Since we're all guessing, I might as well give mine: I've always thought it stood for Python. T...
Convert a List into an ObservableCollection
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257
ObservableCollection < T > has a constructor overload
which takes IEnumerable < T >...