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rotating axis labels in R
...f axis labels. (0=parallel, 1=all horizontal, 2=all perpendicular to axis, 3=all vertical)
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switch() statement usage
...e) {
switch(type,
mean = 1,
median = 2,
trimmed = 3)
}
test2 <- function(type) {
if (type == "mean") 1
else if (type == "median") 2
else if (type == "trimmed") 3
}
system.time( for(i in 1:1e6) test1('mean') ) # 0.89 secs
system.time( for(i in 1:1e6) test2('mean') ) #...
How do I open links in Visual Studio in my web browser and not in Visual Studio?
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63
There is an extension that provides this behavior called Open in External Browser. It works in V...
How to change the CHARACTER SET (and COLLATION) throughout a database?
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371
change database collation:
ALTER DATABASE <database_name> CHARACTER SET utf8 COLLATE utf...
How to synchronize a static variable among threads running different instances of a class in Java?
...nchronized (countLock) {
count++;
}
}
}
Method 3 is the best in many cases because the lock object is not exposed outside of your class.
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Find column whose name contains a specific string
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239
Just iterate over DataFrame.columns, now this is an example in which you will end up with a lis...
What does “mro()” do?
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answered Jan 6 '10 at 3:17
Alex MartelliAlex Martelli
724k148148 gold badges11261126 silver badges13241324 bronze badges
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ggplot2 legend to bottom and horizontal
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Shreyas KarnikShreyas Karnik
3,32333 gold badges2323 silver badges2626 bronze badges
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How to compile without warnings being treated as errors?
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83
Sure, find where -Werror is set and remove that flag. Then warnings will be only warnings.
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How to move certain commits to be based on another branch in git?
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380
This is a classic case of rebase --onto:
# let's go to current master (X, where quickfix2 sh...