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In C# check that filename is *possibly* valid (not that it exists) [duplicate]
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Interface vs Base class
...default methods such as:
Feed
Mate
All of which are behavior that have more or less the same implementation between either species. To define this you will have:
public class Dog : Mammal
public class Cat : Mammal
Now let's suppose there are other mammals, which we will usually see in a zoo:
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Good ways to sort a queryset? - Django
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Is this more efficient than Author.objects.order_by('-score', 'last_name')[:30]?
– Brian Luft
Mar 10 '10 at 0:45
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Why is it impossible to override a getter-only property and add a setter? [closed]
...ty'. Of course technically you're not breaking the contract.. you're doing more. So you're right in a sense.. I'd close by saying 'make it as hard as possible for misunderstandings to crop up'.
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Why would you use an ivar?
...ur locks must typically be reentrant and you will often end up making many more acquisitions (significantly more at times).
Program Correctness
Since the subclasses can override any method, you may eventually see there is a semantic difference between writing to the interface versus managing your st...
Why JSF calls getters multiple times
...that way that they solely return the already-prepared property and nothing more, exactly as per the Javabeans specification. They should not do any expensive DB/business logic at all. For that the bean's @PostConstruct and/or (action)listener methods should be used. They are executed only once at so...
'any' vs 'Object'
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Object is more restrictive than any. For example:
let a: any;
let b: Object;
a.nomethod(); // Transpiles just fine
b.nomethod(); // Error: Property 'nomethod' does not exist on type 'Object'.
The Object class does not have a nomet...
JavaScript private methods
... This is a private method all right, but will tend to use up a lot more memory than an usual prototype method, especially if you are creating a lot of these objects. For every object instance, it creates a separate function bound to the object and not the class. Also, this does not get garba...