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What is sys.maxint in Python 3?
...a maximum integer, and I've read to use "sys.maxint" . However, in Python 3 when I call it I get:
6 Answers
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Pass a data.frame column name to a function
... just use the column name directly:
df <- data.frame(A=1:10, B=2:11, C=3:12)
fun1 <- function(x, column){
max(x[,column])
}
fun1(df, "B")
fun1(df, c("B","A"))
There's no need to use substitute, eval, etc.
You can even pass the desired function as a parameter:
fun1 <- function(x, colu...
Remove all occurrences of a value from a list?
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23 Answers
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while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
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3 Answers
3
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dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
....drop argument that does just what you asked for:
df = data.frame(a=rep(1:3,4), b=rep(1:2,6))
df$b = factor(df$b, levels=1:3)
df %>%
group_by(b, .drop=FALSE) %>%
summarise(count_a=length(a))
#> # A tibble: 3 x 2
#> b count_a
#> <fct> <int>
#> 1 1 ...
Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
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3 Answers
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Android: TextView automatically truncate and replace last 3 char of String
...oid:inputType="text" . What I need now is something that replaces the last 3 characters of my String with " ... ". Since I'm not using a monospace font this will always be different depending on the letters used in my String . So I'm wondering what's the best way to get the last 3 characters of a...
How can I create a Set of Sets in Python?
... answered May 9 '11 at 0:18
a3nma3nm
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Turn off CSRF token in rails 3
...that I see here in stackoverflow but it seems they no longer work on rails 3.
3 Answers
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