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Downcasting shared_ptr to shared_ptr?
Update: the shared_ptr in this example is like the one in Boost, but it doesn't support shared_polymorphic_downcast (or dynamic_pointer_cast or static_pointer_cast for that matter)!
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Polymorphism vs Overriding vs Overloading
... System.out.println("Sit Down");
}
}
Now we can tell an entire room full of Humans to go pee.
public static void main(String[] args){
ArrayList<Human> group = new ArrayList<Human>();
group.add(new Male());
group.add(new Female());
// ... add more...
// te...
Static variables in JavaScript
... constructor functions maybe could help you to catch the concepts of basic OO JavaScript:
function MyClass () { // constructor function
var privateVariable = "foo"; // Private variable
this.publicVariable = "bar"; // Public variable
this.privilegedMethod = function () { // Public Metho...
How do I enlarge an EER Diagram in MySQL Workbench?
...wered Feb 9 '11 at 10:44
Brian HooperBrian Hooper
19.8k2121 gold badges7979 silver badges129129 bronze badges
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When should I use the Visitor Design Pattern? [closed]
...public: void makeSound(); };
void Dog::makeSound()
{ std::cout << "woof!\n"; }
class Cat : public Animal
{ public: void makeSound(); };
void Cat::makeSound()
{ std::cout << "meow!\n"; }
But proceeding in this way, each time you want to add an operation you must modify the interface ...
Can't pickle when using multiprocessing Pool.map()
I'm trying to use multiprocessing 's Pool.map() function to divide out work simultaneously. When I use the following code, it works fine:
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What is the apply function in Scala?
I never understood it from the contrived unmarshalling and verbing nouns ( an AddTwo class has an apply that adds two!) examples.
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Monad in plain English? (For the OOP programmer with no FP background)
In terms that an OOP programmer would understand (without any functional programming background), what is a monad?
19 Answe...
Must Dependency Injection come at the expense of Encapsulation?
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There is another way of looking at this issue that you might find interesting.
When we use IoC/dependency injection, we're not using OOP concepts. Admittedly we're using an OO language as the 'host', but the ideas behind IoC come from component-orie...
Is MATLAB OOP slow or am I doing something wrong?
I'm experimenting with MATLAB OOP , as a start I mimicked my C++'s Logger classes and I'm putting all my string helper functions in a String class, thinking it would be great to be able to do things like a + b , a == b , a.find( b ) instead
of strcat( a b ) , strcmp( a, b ) , retrieve first...