如果我尝试追加一个列表到自己会发生什么? # Let's say empty list is created.
some_list = []
# Now, append it with self
some_list.append(some_list)
# Output shows [[...]] on iPython console.
这是什么意思? some_list成为递归列表还是
我使用温莎城堡作为我IoC容器,并在一个有点问题的运行。 首先 - 我知道:Castle Windsor: How to prevent circular references in factory-created objects were the created objects refers back to the factory 但由于循环引用被认为是“代码味道”,我应该考虑重构应用程序架构我
我有两个类型:A & B. A“巧妙”点B和B“巧妙”点A. 在主范围我有一个智能指针到A. class A;
class B;
typedef shared_ptr<A> pA;
typedef shared_ptr<B> pB;
class B {
public:
B() {}
pA a;
virtual ~B() {cout << "delete b