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How do I remove code duplication between similar const and non-const member functions?
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34.6k5555 gold badges167167 silver badges266266 bronze badges
answered Sep 23 '08 at 21:24
jwfearnjwfearn
25.4k2525 gold badges868...
Create a tar.xz in one command
I am trying to create a .tar.xz compressed archive in one command. What is the specific syntax for that?
5 Answers
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ISO time (ISO 8601) in Python
...string while preserving the fact that it was created in the Eastern Time Zone (ET) .
13 Answers
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Does the ternary operator exist in R?
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> x <- if(a==2) 1 else 2
> x
[1] 2
The power of R is vectorization. The vectorization of the ternary operator is ifelse:
> a <- c(1, 2, 1)
> x <- ifelse(a==1, 1, 2)
> x
[1] 1 2 1
> x <- ifelse(a==2, 1, 2)
> x
[1] 2 1 2
Just kidding, you can define c-style ...
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如何使...
What is the best way to tell if a character is a letter or number in Java without using regexes?
What is the best and/or easiest way to recognize if a string.charAt(index) is an A-z letter or a number in Java without using regular expressions? Thanks.
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Efficiently replace all accented characters in a string?
...his to modify the interally-used regex:
makeSortString.translate_re = /[a-z]/g;
So, there is that option.
One way to get a closure, and thus prevent someone from modifying the regex, would be to define this as an anonymous function assignment like this:
var makeSortString = (function() {
var ...
Reduce, fold or scan (Left/Right)?
...value AB in *first* operator arg `res`
// res: String = ABC
abc.foldLeft("z")(add) // with start value "z"
// op: z + A = zA // initial extra operation
// op: zA + B = zAB
// op: zAB + C = zABC
// res: String = zABC
abc.scanLeft("z")(add)
// op: z + A = zA // same operations as foldLeft ...
Compare if two variables reference the same object in python
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answered Mar 26 '11 at 20:29
Jochen RitzelJochen Ritzel
89.3k2525 go...
How can I get the intersection, union, and subset of arrays in Ruby?
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Utilizing the fact that you can do set operations on arrays by doing &(intersection), -(difference), and |(union).
Obviously I didn't implement the MultiSet to spec, but this should get you started:
class MultiSet
attr_acc...