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Ignore modified (but not committed) files in git?
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edited Feb 27 '12 at 14:49
IcanDivideBy0
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Coredata Error “data: ”
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edited Apr 24 '14 at 21:09
answered Sep 5 '11 at 6:03
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Jquery to change form action
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EmCoEmCo
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How do I delete rows in a data frame?
...'-' operator.
So, assuming the data.frame is called myData:
myData[-c(2, 4, 6), ] # notice the -
Of course, don't forget to "reassign" myData if you wanted to drop those rows entirely---otherwise, R just prints the results.
myData <- myData[-c(2, 4, 6), ]
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How to sort an array of hashes in ruby
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374
Simples:
array_of_hashes.sort_by { |hsh| hsh[:zip] }
Note:
When using sort_by you need to as...
Linux, Why can't I write even though I have group permissions?
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answered Feb 20 '11 at 2:49
AdamJonRAdamJonR
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How do I run IDEA IntelliJ on Mac OS X with JDK 7?
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74
UPDATE:
When running IDEA 12 on JDK 1.7 (after changing JVMVersion to 1.7* in Info.plist) make ...
Useful example of a shutdown hook in Java?
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edited Sep 23 '11 at 2:48
trashgod
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Breaking up long strings on multiple lines in Ruby without stripping newlines
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443
Maybe this is what you're looking for?
string = "line #1"\
"line #2"\
"line...