I have a base class with one optional default parameter, which a child class automatically provides a value for:
The Scenario I\'m making a program in Java that involves cars. NOTE: I\'ve simplified this scenario (to the best of my ability) to make it both more general and easier to understand.I\'m not actuall
Well I tried to extend the class mysqli with its inheritance called Database, which can retrieve database info easily(in one line if done correctly). It does not work out so far, as I am getting the f
I have a parent class class A and a child class class C extends A. A a=new A(); C c=(C)a; This gives me error. Why?
Got a question that is freaking me out. Do parent constructors constructs it开发者_开发问答self without being called?
I\'m trying to decorate a class with another class. I also want to inherit from the decorated class, but I get some errors. Here\'s my code:
I have a class called IAckHandler class IAckHandler { public: virtual ~IAckHandler(); virtual void handleAck(long messageType, bool ackrcvd, uint8_t ackByte) = 0;
I have come to a point in my program where my polymorphism is broken. I realize that this is in my code, and I understand why; I\'m just not sure how best to resolve it.
Q1) How is this possible?! function employer(name) { this.name = name;}; var fred = new employer(\'Fred\');
I need to query across multiple tables by primary_keys, which are unique (uuids). My idea was to use model inheritance for querying all models at once. I\'ve got a BaseItem and all other models are s
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