Displaying 2 results from an estimated 2 matches for "aa1234".
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2007 Oct 25
1
Match and replace between two data.frames
Hi folks,
I have two dataframes like these:
DF <- data.frame(ID=c("AA1234","AB3233","AC4353","AD2345","AE7453"),
CK32344=c(1,3,2,4,1), CK32664=c(2,1,1,2,3), CK33422=c(2,2,1,3,2))
VAL <- data.frame(num=rep(6,3), type=c("CK32344", "CK32664",
"CK33422"), number=c("32","452",&qu...
2013 Jun 20
10
Two identical copies of an image mounted result in changes to both images if only one is modified
Hi,
I''ve observed a rather strange behaviour while trying to mount two
identical copies of the same image to different mount points.
Each modification to one image is also performed in the second one.
Example:
dd if=/dev/sda? of=image1 bs=1M
cp image1 image2
mount -o loop image1 m1
mount -o loop image2 m2
touch m2/hello
ls -la m1 //will now also include a file calles "hello"