overriding

I'd like to keep my code compilable both on legacy C++ (C++ code using "NULL") and new C++11 standard (C++ code using "nullptr") I'm using GCC, but planning to recompile the whole codebase also for VS when I'll finish most important things. Should I expect both GCC and VS will do something like #define NULL nullptr Or Is better I'll do that myself (using of course a different name, where MY_LIB will be replaced by my library suffix)? #ifndef nullptr #define MY_LIB_NULL NULL #else #define MY_LIB_NULL nullptr #endif What I want to achieve is code that compiles regardless of wich C++11 features

Im trying to override a JS function from Bigcartel. I have no access to the JS file. The original is: updateCart: function(cart) { $('aside .cart .count, .main header .cart').htmlHighlight(cart.item_count); return $('aside .cart .total').htmlHighlight(Format.money(cart.total, true, true)); }, And i am trying to change it to this: updateCart: function(cart) { $('aside .cart .count, .sml .cart, .big .cart .count').htmlHighlight(cart.item_count); return $('aside .cart .total').htmlHighlight(Format.money(cart.total, true, true)); }, I am aware that others have asked similar questions, but i am a

I started on a new project recently and saw the usage of overriding like below for the first time. public class SomeClass { public void myMethod() { XStream xstream = new XStream() { @Override protected MapperWrapper wrapMapper(MapperWrapper next) { return new MapperWrapper(next) { // the rest ommitted Basically, it's overriding the wrapMapper() method of the XStream class in the thoughtworks xstream api but without having SomeClass to extend the XStream class. I've worked with Java for a number of years but this is the first time I saw overriding being done like this. Can someone explain the

I would like to create a CustomButton which has a predefined onClick . In fact, my object would do the same job than CustomButton mButton = getViewById(..); mButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { show_something() } Is there a way to embed the Listener into the CustomButton object that inherits from Button ? What I would like is to create a CustomButton in my layout XML file, and not having to mention this button in my activity, which would give: main.xml: <LinearLayout xmlns:"..."> <com.mypackage.view.CustomButton (attributes)/> <

I am a little confused over the two terminologies and would be glad to get some doubts clarified. As I understand function overloading means having multiple methods in the same class with same name but either with different number of arguments, different types of arguments or sequence of arguments irrespective of the return type which has no effect in mangled name of the functions. Does the above definition also include "....in the same class or across related classes(related through inheritance)....." And Function Overriding is related to virtual functions, same method signature(declared

I have a private method def __pickSide(self): in a parent class that I would like to override in the child class. However, the child class still calls the inherited def __pickSide(self): . How can I override the function? The child class's function name is exactly the same as the parent's function name. Let's look at the easiest example: from dis import dis class A(object): def __pick(self): print "1" def doitinA(self): self.__pick() class B(A): def __pick(self): print "2" def doitinB(self): self.__pick() b = B() b.doitinA() # prints 1 b.doitinB() # prints 2 dis(A.doitinA) print dis(B.doitinB)