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In C++, is it still bad practice to return a vector from a function?
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edited Nov 12 '14 at 17:16
Mgetz
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Empty set literal?
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phoenix
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answered May 25 '11 at 20:20
sepp2ksepp2k
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Use cases for the 'setdefault' dict method
The addition of collections.defaultdict in Python 2.5 greatly reduced the need for dict 's setdefault method. This question is for our collective education:
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Aligning text and image on UIButton with imageEdgeInsets and titleEdgeInsets
...ike to place an icon left of the two lines of text such that there's about 2-3 pixels of space between the image and the start of text. The control itself is Center aligned horizontally (set through Interface Builder)
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A variable modified inside a while loop is not remembered
...after the if statement. However, when I set the same variable to the value 2 inside an if which is inside a while statement, it's forgotten after the while loop. It's behaving like I'm using some sort of copy of the variable $foo inside the while loop and I am modifying only that particula...
How to find all occurrences of a substring?
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20 Answers
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Changing column names of a data frame
...X <- data.frame(bad=1:3, worse=rnorm(3))
R> X
bad worse
1 1 -2.440467
2 2 1.320113
3 3 -0.306639
R> colnames(X) <- c("good", "better")
R> X
good better
1 1 -2.440467
2 2 1.320113
3 3 -0.306639
You can also subset:
R> colnames(X)[2] <- "superduper"
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Similar to jQuery .closest() but traversing descendants?
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answered Jan 22 '12 at 15:06
Rob WRob W
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Git alias with positional parameters
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edited Mar 4 '18 at 13:20
Eugen Konkov
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answer...