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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
...and Max Connections for popular browsers. The data is gathered by running tests on users "in the wild," so it will stay up to date.
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How to get the selected radio button’s value?
...
Try this
function findSelection(field) {
var test = document.getElementsByName(field);
var sizes = test.length;
alert(sizes);
for (i=0; i < sizes; i++) {
if (test[i].checked==true) {
alert(test[i].value + ' you got a value');
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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
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How to test the last function with PEP 3102? I call it with func(1,2,3,name="me",age=10) and it throws exception: got an unexpected keyword argument 'name'
– Kok How Teh
Apr 3 '19 at 3:34
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SQL Server IN vs. EXISTS Performance
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I've done some testing on SQL Server 2005 and 2008, and on both the EXISTS and the IN come back with the exact same actual execution plan, as other have stated. The Optimizer is optimal. :)
Something to be aware of though, EXISTS, IN, and ...
Officially, what is typename for?
...veral types. For example you can write:
template<typename T>
struct test {
typedef T* ptr;
};
template<> // complete specialization
struct test<int> { // for the case T is int
T* ptr;
};
One might ask why is this useful and indeed: That really looks useless. Bu...
dynamic_cast and static_cast in C++
...lass Derived2 : public Base {};
class ReDerived : public Derived {};
void test( Base & base )
{
dynamic_cast<Derived&>(base);
}
int main() {
Base b;
Derived d;
Derived2 d2;
ReDerived rd;
test( b ); // throw: b is not a Derived object
test( d ); // ok
test...
Faster way to develop and test print stylesheets (avoid print preview every time)?
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I've just tested what @TylerH said in Firefox v68 and it works.
– StR
Aug 8 '19 at 14:55
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sys.argv[1] meaning in script
...hile running a script via command line
python create_thumbnail.py test1.jpg test2.jpg
here,
script name - create_thumbnail.py,
argument 1 - test1.jpg,
argument 2 - test2.jpg
With in the create_thumbnail.py script i use
sys.argv[1:]
which give me the list of arguments i passed in co...
ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)
...entArgs args) : this(index, args.PropertyName)
{ }
}
}
NUnit Tests
So you can check changes you might make (and see what I tested in the first place!), I've also included my NUnit test class. Obviously, the following code is not necessary just to use FullyObservableCollection<T>...
How to define static property in TypeScript interface
...e without an instance, you also can... but it is a bit fussy.
interface DateStatic extends Date {
MinValue: Date;
}
Date['MinValue'] = new Date(0);
Called using:
var x: DateStatic = <any>Date; // We aren't using an instance
console.log(x.MinValue);
...