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Changing column names of a data frame
...d=1:3, worse=rnorm(3))
R> X
bad worse
1 1 -2.440467
2 2 1.320113
3 3 -0.306639
R> colnames(X) <- c("good", "better")
R> X
good better
1 1 -2.440467
2 2 1.320113
3 3 -0.306639
You can also subset:
R> colnames(X)[2] <- "superduper"
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How can I programmatically get the MAC address of an iphone
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NOTE As of iOS7, you can no longer retrieve device MAC addresses. A fixed value will be ret...
Int division: Why is the result of 1/3 == 0?
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Jason C
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answered Jan 13 '11 at 21:27
NoldorinNoldorin
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Intelligent way of removing items from a List while enumerating in C#
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answered Aug 25 '11 at 15:45
dlevdlev
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How to set UITextField height?
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Benjohn
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answered Dec 27 '11 at 5:48
ManjunathManjun...
What's the difference between session.Merge and session.SaveOrUpdate?
...eing imported.
– codekaizen
Apr 13 '11 at 0:01
good to know ... SaveOrUpdate is still heavily used in tutorials.
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How do I convert an enum to a list in C#? [duplicate]
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1106
This will return an IEnumerable<SomeEnum> of all the values of an Enum.
Enum.GetValues...
xpath find if node exists
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edited Apr 20 '09 at 11:33
answered Apr 20 '09 at 11:26
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DISTINCT for only one column
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edited Feb 16 '11 at 22:05
answered Feb 16 '11 at 20:28
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Recursively list files in Java
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Brett RyanBrett Ryan
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7
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