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Using the Android Application class to persist data
...at class wherever i needed by giving it the getApplicationContext() with a cast to this class
– Ziv Kesten
Jul 28 '14 at 6:57
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Building big, immutable objects without using constructors having long parameter lists
...ver you give them a mutable object named Immutable that simply needs to be cast to it's mutable interface. The separate class approach requires methods to convert back and forth. The JodaTime API uses this pattern. See DateTime and MutableDateTime.
– toolbear
A...
Using generic std::function objects with member functions in one class
... Just add a little tip: member function pointer can be implicitly cast to std::function, with extra this as it's first parameter, like std::function<void(Foo*, int, int)> = &Foo::doSomethingArgs
– landerlyoung
Nov 25 '19 at 6:44
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What is a typedef enum in Objective-C?
...nd kOblateSpheroid). You can assign a ShapeType variable another value by casting, though, so you have to be careful when reading enum values.
Finally, kCircle, kRectangle, and kOblateSpheroid are declared as integral constants in the global namespace. Since no specific values were specified, the...
Create a list from two object lists with linq
...eturns>
public override bool Equals(object obj)
{
// Try to cast the object to compare to to be a Person
var person = obj as Person;
return Equals(person);
}
/// <summary>
/// Returns an identifier for this instance
/// </summary>
public override int GetHashCode(...
Scala equivalent of Java java.lang.Class Object
... prevents me from passing in a Foo class by using Foo.getClass() without a cast.
Note: regarding getClass, a possible workaround would be:
class NiceObject[T <: AnyRef](x : T) {
def niceClass : Class[_ <: T] = x.getClass.asInstanceOf[Class[T]]
}
implicit def toNiceObject[T <: AnyRef](x ...
What is the difference between IQueryable and IEnumerable?
...
The only benefit is convenience. AsQueryable() will just cast an enumerable to a queryable and return it if it implements the IQueryable interface, otherwise it wraps it in a ConstantExpression, which is referred to in a returned EnumerableQuery object.
– Mar...
How to remove items from a list while iterating?
... Python lists, with minimal modifications. For instance, not all languages cast empty lists to a False as Python does. You can substitute while somelist: for something more explicit like while len(somelist) > 0:.
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Average of 3 long integers
...nsigned average, subtract it after taking the result, and use an unchecked cast back to Int64 to get a signed average.
To compute the unsigned average, compute the sum of the top 32 bits of the three values. Then compute the sum of the bottom 32 bits of the three values, plus the sum from above, p...
Extending from two classes
...rawback is that you cannot fit into the Mold of the Internal class using a cast.
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