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Warn user before leaving web page with unsaved changes
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edited May 11 at 11:14
Sumurai8
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How to reload or re-render the entire page using AngularJS
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Scotty.NET
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answered May 29 '13 at 18:54
andersonvomander...
How to use Git properly with Xcode?
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answered Apr 11 '10 at 2:00
Kendall Helmstetter GelnerKendall Helmstetter Gelner
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Pass a data.frame column name to a function
...ou can 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...
Why is the gets function so dangerous that it should not be used?
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Case insensitive comparison NSString
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edited Apr 7 '19 at 11:08
Cœur
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How to add title to subplots in Matplotlib?
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JaradJarad
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Remove ActiveRecord in Rails 3
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edited Sep 16 '11 at 15:35
Tijmen
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answered Feb 6 '10 at 11...
Is a statically-typed full Lisp variant possible?
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Owen S.Owen S.
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“Comparison method violates its general contract!”
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