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Can overridden methods differ in return type?
...er generates/uses plain classes for nested/inner classes, type erasure and casts for generics, synthetic accessors for nested/inner class private "friendship", synthetic instance fields for outer 'this' pointers, synthetic static fields for '.class' literals, etc, etc.
and covariant return types is...
if A vs if A is not None:
...checking for a specific value - None - not just "any value that happens to cast to False".
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Handling the window closing event with WPF / MVVM Light Toolkit
...just implement the OnClosing method. Otherwise the DataContext as IClosing cast will fail and return null
– Erik White
May 23 at 16:59
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How do I represent a time only value in .NET?
... there is no reason I think they can directly use uint and this avoids the casting in the constructor.
– shelbypereira
Jul 23 '19 at 9:12
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Can't use modulus on doubles?
...onstexpr double dmod (T x, U mod)
{
return !mod ? x : x - mod * static_cast<long long>(x / mod);
}
//Usage:
double z = dmod<double, unsigned int>(14.3, 4);
double z = dmod<long, float>(14, 4.6);
//This also works:
double z = dmod(14.7, 0.3);
double z = dmod(14.7, 0);
double z ...
Converting JSONarray to ArrayList
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I think it's not possible to cast ArrayList<Object> to ArrayList<String>
– Vasilii Suricov
Feb 2 '17 at 19:03
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Serialize an object to string
... One minor change though would be to return T instead of object, and cast the returned object to T in the DeserializeObject function. This way the strongly typed object is returned instead of a generic object.
– deadlydog
Nov 18 '14 at 15:29
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What's the best way to detect a 'touch screen' device using JavaScript?
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The double bang casts a value to a boolean, forcing the function to return either true or false. You can read more about it here: stackoverflow.com/questions/4686583/…
– Rob Flaherty
Apr 28 '12 at 14:...
How do I format a Microsoft JSON date?
...t - the +a[1] etc represents the array pieces of the regex and the + would cast it to a number, so +a[1] equals 2009 etc. Here is the array breakdown: 0: "2009-04-12T20:44:55" 1: "2009" 2: "04" 3: "12" 4: "20" 5: "44" 6: "55"
– Jason Jong
Mar 25 at 11:57
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How to use greater than operator with date?
...duces the expected outcome, 02-08-2019 21:04:07, using the US date format, casts a much wider net.
– David A. Gray
Feb 9 '19 at 20:08
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