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How does one create an InputStream from a String? [duplicate]
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answered Apr 19 '11 at 17:54
anubhavaanubhava
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Drop data frame columns by name
...st of names :
DF <- data.frame(
x=1:10,
y=10:1,
z=rep(5,10),
a=11:20
)
drops <- c("x","z")
DF[ , !(names(DF) %in% drops)]
Or, alternatively, you can make a list of those to keep and refer to them by name :
keeps <- c("y", "a")
DF[keeps]
EDIT :
For those still not acquainted wi...
Java: how to convert HashMap to array
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Mayonnaise2124
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answered Jul 7 '09 at 5:47
Landon KuhnLandon Kuhn
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Printing hexadecimal characters in C
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edited Nov 9 '11 at 4:52
answered Nov 9 '11 at 4:02
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Detect IE version (prior to v9) in JavaScript
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weroroweroro
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Return empty cell from formula in Excel
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J.T. GrimesJ.T. Grimes
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Get integer value from string in swift
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edited Sep 3 '15 at 11:50
answered Jun 12 '15 at 11:43
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How can I refresh a page with jQuery?
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answered Mar 23 '11 at 11:57
RoyRoy
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Using Mockito with multiple calls to the same method with the same arguments
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answered Nov 11 '11 at 0:21
Igor NikolaevIgor Nikolaev
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Add CSS or JavaScript files to layout head from views or partial views
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answered Sep 9 '11 at 4:17
RouRRouR
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