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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 debug a Flask app
...r PowerShell, use $env:
$env:FLASK_ENV = "development"
Prior to Flask 1.0, this was controlled by the FLASK_DEBUG=1 environment variable instead.
If you're using the app.run() method instead of the flask run command, pass debug=True to enable debug mode.
Tracebacks are also printed to the termi...
Haskell: Where vs. Let
...
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?
...
answered Dec 19 '11 at 10:30
Jens SchauderJens Schauder
61.3k2424 gold badges140140 silver badges279279 bronze badges
...
How to detect Safari, Chrome, IE, Firefox and Opera browser?
...sion. Use feature detection when possible.
Demo: https://jsfiddle.net/6spj1059/
// Opera 8.0+
var isOpera = (!!window.opr && !!opr.addons) || !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
// Firefox 1.0+
var isFirefox = typeof InstallTrigger !== 'undefined';
// Safari...
Ruby's ||= (or equals) in JavaScript?
...
answered Sep 30 '13 at 7:27
Dzung NguyenDzung Nguyen
8,6601313 gold badges5959 silver badges9898 bronze badges
...
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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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...
iPad/iPhone hover problem causes the user to double click a link
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208
+50
Haven't ...
Is there an R function for finding the index of an element in a vector?
...
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...