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Reorder levels of a factor without changing order of values
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121
Use the levels argument of factor:
df <- data.frame(f = 1:4, g = letters[1:4])
df
# f g
#...
How to find where a method is defined at runtime?
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422
This is really late, but here's how you can find where a method is defined:
http://gist.github...
Left align two graph edges (ggplot)
...gplotGrob(A)
gB <- ggplotGrob(B)
maxWidth = grid::unit.pmax(gA$widths[2:5], gB$widths[2:5])
gA$widths[2:5] <- as.list(maxWidth)
gB$widths[2:5] <- as.list(maxWidth)
grid.arrange(gA, gB, ncol=1)
Edit
Here's a more general solution (works with any number of plots) using a modified vers...
Lambda function in list comprehensions
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271
The first one creates a single lambda function and calls it ten times.
The second one doesn't ...
How to split a delimited string into an array in awk?
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285
Have you tried:
echo "12|23|11" | awk '{split($0,a,"|"); print a[3],a[2],a[1]}'
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Problems with lib-icu dependency when installing Symfony 2.3.x via Composer
I've had no problems installing Symfony 2.2.x using Composer, I've always just copied the stable version at http://symfony.com/download .
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Extracting the last n characters from a ruby string
... a one liner, you can put a number greater than the size of the string:
"123".split(//).last(5).to_s
For ruby 1.9+
"123".split(//).last(5).join("").to_s
For ruby 2.0+, join returns a string
"123".split(//).last(5).join
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Uninstall all installed gems, in OSX?
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Rubygems >= 2.1.0
gem uninstall -aIx
a removes all versions
I ignores dependencies
x includes executables
Rubgems < 2.1.0
for i in `gem list --no-versions`; do gem uninstall -aIx $i; done
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Get decimal portion of a number with JavaScript
I have float numbers like 3.2 and 1.6 .
22 Answers
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