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`levels
...estion, @Marek posted the following solution:
https://stackoverflow.com/a/10432263/636656
4 Answers
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Difference between a Seq and a List in Scala
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418
In Java terms, Scala's Seq would be Java's List, and Scala's List would be Java's LinkedList.
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R - Concatenate two dataframes?
...ine adds column b to data frame b.
Results
> a <- data.frame(a=c(0,1,2), b=c(3,4,5), c=c(6,7,8))
> a
a b c
1 0 3 6
2 1 4 7
3 2 5 8
> b <- data.frame(a=c(9,10,11), c=c(12,13,14))
> b
a c
1 9 12
2 10 13
3 11 14
> b$b <- NA
> b
a c b
1 9 12 NA
2 10 13 NA
3 11 1...
Cartesian product of x and y array points into single array of 2D points
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13 Answers
13
Active
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Numbering rows within groups in a data frame
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edited Mar 14 '17 at 22:06
Frank
62.4k88 gold badges8181 silver badges157157 bronze badges
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Use find command but exclude files in two directories
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189
Here's how you can specify that with find:
find . -type f -name "*_peaks.bed" ! -path "./tmp/...
What does Bump Version stand for?
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271
It means to increment the version number to a new, unique value.
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How do I build a numpy array from a generator?
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130
Numpy arrays require their length to be set explicitly at creation time, unlike python lists. ...
How can I get a Bootstrap column to span multiple rows?
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167
For Bootstrap 3:
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/boots...
Is sizeof(bool) defined in the C++ language standard?
...tation. Does the C++ language standard require sizeof(bool) to always be 1 (for 1 byte), or is this size implementation-defined?
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