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Why is whitespace sometimes needed around metacharacters?
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Toothbrush
2,0102121 silver badges3333 bronze badges
answered Jan 17 '14 at 13:20
Dmitri ChubarovDmitri Chubarov
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What's the difference between ngModel.$modelValue and ngModel.$viewValue
...sion of that string. For example, the input might be showing the string '200' but the <input type="number"> (for example) will actually contain a model value of 200 as an integer. So the string representation that you "view" in the <input> is the ngModel.$viewValue and the numeric repr...
How to get the first element of the List or Set? [duplicate]
...sible
– HaydenKai
Sep 13 '16 at 23:10
12
Good enough if your set has only one element.
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Why does string::compare return an int?
...e short or char ? My understanding is that this method only returns -1, 0 or 1.
9 Answers
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Haskell: Where vs. Let
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40
1: The problem in the example
f :: State s a
f = State $ \x -> y
where y = ... x ...
i...
Where does the “flatmap that s***” idiomatic expression in Scala come from?
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answered Dec 19 '11 at 10:30
Jens SchauderJens Schauder
61.3k2424 gold badges140140 silver badges279279 bronze badges
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Git - What is the difference between push.default “matching” and “simple”
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edited Jul 27 at 13:50
UpAndAdam
4,05422 gold badges2424 silver badges4141 bronze badges
answered F...
Why is String.chars() a stream of ints in Java 8?
...tten with Java 8.
In Java 7 I would have done it like this:
for (int i = 0; i < hello.length(); i++) {
System.out.println(hello.charAt(i));
}
And I think a reasonable method to do it in Java 8 is the following:
hello.chars()
.mapToObj(i -> (char)i)
.forEach(System.out:...
Is it possible to use global variables in Rust?
... "A static string";
static SOME_STRUCT: MyStruct = MyStruct {
number: 10,
string: "Some string",
};
static mut db: Option<sqlite::Connection> = None;
fn main() {
println!("{}", SOME_INT);
println!("{}", SOME_STR);
println!("{}", SOME_STRUCT.number);
println!("{}", SOME...
Is there an R function for finding the index of an element in a vector?
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The function match works on vectors :
x <- sample(1:10)
x
# [1] 4 5 9 3 8 1 6 10 7 2
match(c(4,8),x)
# [1] 1 5
match only returns the first encounter of a match, as you requested. It returns the position in the second argument of the values in the first argument.
Fo...