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Order discrete x scale by frequency/value
...swer, reorder is the idiomatic way of reordering factor levels.
mtcars$cyl3 <- with(mtcars, reorder(cyl, cyl, function(x) -length(x)))
ggplot(mtcars, aes(cyl3)) + geom_bar()
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Why should I prefer single 'await Task.WhenAll' over multiple awaits?
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edited Jun 25 '19 at 16:31
answered Aug 19 '13 at 10:02
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How to take emulator screenshots using Eclipse?
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answered Jan 14 '10 at 17:39
Dan LewDan Lew
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How do I pass multiple parameters in Objective-C?
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What's the difference between “Architectures” and “Valid Architectures” in Xcode Build Settings?
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113
Architectures are the ones you want to build, valid architectures are the ones you could conceiv...
AngularJS changes URLs to “unsafe:” in extension page
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361
You need to explicitly add URL protocols to Angular's whitelist using a regular expression. On...
Aggregate function in an SQL update query?
...ATE t1
SET t1.field1 = t2.field2Sum
FROM table1 t1
INNER JOIN (select field3, sum(field2) as field2Sum
from table2
group by field3) as t2
on t2.field3 = t1.field3
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Is leaked memory freed up when the program exits?
... released.
– David
Jun 4 '10 at 16:43
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Rails: Adding an index after adding column
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239
You can run another migration, just for the index:
class AddIndexToTable < ActiveRecord::Mi...