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RuntimeWarning: invalid value encountered in divide
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157
I think your code is trying to "divide by zero" or "divide by NaN". If you are aware of that an...
Create a variable name with “paste” in R?
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125
You can use assign (doc) to change the value of perf.a1:
> assign(paste("perf.a", "1", sep="...
Scala: what is the best way to append an element to an Array?
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stefanobaghino
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answered Sep 21 '11 at 12:57
tenshitenshi
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How to fix the aspect ratio in ggplot?
...() sequence.)
library(ggplot2)
df <- data.frame(
x = runif(100, 0, 5),
y = runif(100, 0, 5))
ggplot(df, aes(x=x, y=y)) + geom_point() + coord_fixed()
share
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improve this answer
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What is the difference between SIGSTOP and SIGTSTP?
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156
Both signals are designed to suspend a process which will be eventually resumed with SIGCONT. T...
Regular expression \p{L} and \p{N}
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answered Feb 15 '13 at 9:03
CerbrusCerbrus
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Filtering a list based on a list of booleans
...gt;>> %timeit list(compress(list_a, fil))
100000 loops, best of 3: 2.58 us per loop
>>> %timeit [i for (i, v) in zip(list_a, fil) if v] #winner
100000 loops, best of 3: 1.98 us per loop
>>> list_a = [1, 2, 4, 6]*100
>>> fil = [True, False, True, False]*100
>>...
Search in all files in a project in Sublime Text 3
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5 Answers
5
Active
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How do I explicitly specify a Model's table-name mapping in Rails?
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Rails >= 3.2 (including Rails 4+ and 5+):
class Countries < ActiveRecord::Base
self.table_name = "cc"
end
Rails <= 3.1:
class Countries < ActiveRecord::Base
self.set_table_name "cc"
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end
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