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How do arrays in C# partially implement IList?
...() call fails for a concrete array type with "Interface not found". Yet a cast to IEnumerable<> works without a problem.
This is quacks-like-a-duck typing. It is the same kind of typing that creates the illusion that every value type derives from ValueType which derives from Object. Both t...
Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
...uPTR " then what is the question?\n", a);
If you really want to be safe, cast to uintmax_t and use PRIuMAX:
printf("If the answer is %" PRIuMAX " then what is the question?\n", static_cast<uintmax_t>(a));
share
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cleanest way to skip a foreach if array is empty [duplicate]
...item) {
print $item;
}
Note: to all the people complaining about typecast, please note that the OP asked cleanest way to skip a foreach if array is empty (emphasis is mine). A value of true, false, numbers or strings is not considered empty.
In addition, this would work with objects implementi...
How do you find out the type of an object (in Swift)?
... part of your answer is wrong. The 'if let' statement with as? conditional cast does the same as isKindOfClass as well, just also provides the result of the cast should it Succeed.
– awolf
Mar 11 '16 at 18:59
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How to Sort a List by a property in the object
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One must first test for null on the as cast. Which is the whole point of as, as (ha, ha) (Order)obj throws an exception when it fails. if(orderToCompare == null) return 1;.
– radarbob
Oct 16 '14 at 14:30
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Convert a number range to another range, maintaining ratio
...ng a def renaming to remap (cause map is a built-in) and removing the type casts and curly braces (ie just remove all the 'long's).
Original
long map(long x, long in_min, long in_max, long out_min, long out_max)
{
return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
Pytho...
Create a new object from type parameter in generic class
...r, even in JavaScript. If you have a class Foo{ method() { return true; }, casting {} to T will not give you this method!
– JCKödel
Apr 26 '19 at 16:12
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ComboBox: Adding Text and Value to an Item (no Binding Source)
...be the selected answer. But can't we use comboBox1.SelectedText instead of casting .SelectedItem and take .Value?
– Jeffrey Goines
Feb 4 '14 at 0:49
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Declaring an unsigned int in Java
...nsigned integers. A few operations (division, right shift, comparison, and casting), however, are different. As of Java SE 8, new methods in the Integer class allow you to fully use the int data type to perform unsigned arithmetic:
In Java SE 8 and later, you can use the int data type to represe...
Struggling with NSNumberFormatter in Swift for currency
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No need to cast it to NSNumber you can use formatter method func string(for obj: Any?) -> String?. So you just need to use string(for: price) instead of string(from: price)
– Leo Dabus
Mar 22 '1...