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Is there a range class in C++11 for use with range based for loops?
..._(begin), end_(end) {}
private:
iterator begin_;
iterator end_;
};
Test code:
int main() {
int m, n;
std::istringstream in("10 20");
if ( in >> m >> n ) //using in, because std::cin cannot be used at coliru.
{
if ( m > n ) std::swap(m,n);
...
How to change string into QString?
...ng str("hello !");
qDebug() << QVariant(str.c_str()).toString();
int test = 10;
double titi = 5.42;
qDebug() << QVariant(test).toString();
qDebug() << QVariant(titi).toString();
qDebug() << QVariant(titi).toInt();
output
"hello !"
"10"
"5.42"
5
...
Use dynamic variable names in JavaScript
...type from your example, if you have its name in another variable: function test(vname) { var type = 'article'; this[vname] = 'something else'; alert(type); }; test('type') will show article, not something else. And that is what the "complex answer" explains.
– Orafu
...
How to implement an ordered, default dict? [duplicate]
... @Neil G: You probably should just use the built-in callable() function to test default_factory. Using isinstance(default_factory, Callable) actually requires it to have more than just callability -- see the docs -- which is all that's is needed here.
– martineau
...
Why does the jquery change event not trigger when I set the value of a select using val()?
...x up with default change event you can provide your custom event
$('input.test').on('value_changed', function(e){
console.log('value changed to '+$(this).val());
});
to trigger the event on value set, you can do
$('input.test').val('I am a new value').trigger('value_changed');
...
Nginx location priority
...
There is a handy online testing tool for location priority now:
location priority testing online
share
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improve this answer
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...
Finding Variable Type in JavaScript
...umber, boolean, object, string and symbols. You can also use instanceof to test if an object is of a specific type.
function MyObj(prop) {
this.prop = prop;
}
var obj = new MyObj(10);
console.log(obj instanceof MyObj && obj instanceof Object); // outputs true
...
Are HTTP headers case-sensitive?
...
I meant a concrete test case; I do have an IE to test with.
– Julian Reschke
May 6 '16 at 21:28
11
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Can anyone explain this strange behavior with signed floats in C#?
...
Simpler test case:
Console.WriteLine("Good: " + new Good().Equals(new Good { d = -.0 }));
Console.WriteLine("Bad: " + new Bad().Equals(new Bad { d = -.0 }));
public struct Good {
public double d;
public int f;
}
public str...
Short circuit Array.forEach like calling break
...s[a,b] where a number is between a lower boundary and upper boundary pair, test and return true when found. for..of would be the next best solution though only for newer browsers.
– Sojimaxi
Nov 2 '17 at 16:08
...
