我到底要怎么做才能让numpy工作?我读到它在3.2.3中被支持,并且应该通过使用setup.py来工作。我在谈论os_path时遇到错误。我是不是漏掉了什么?
Here is the full traceback:
Python 3.2.3 (v3.2.3:3d0686d90f55, Apr 10 2012, 11:25:50)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "copyright", "credits" or "license()" for more i
因为我知道Java不支持多重继承,所以我想知道如何在Java中实现这种设计:
Class StudentModel extends BaseModel{
public void doSomething(){};
}
Class ParentModel{
protected List<BaseModel> children = new List<BaseModel>();
public void addChild(BaseModel child){
children.add(child);
}
// and other paren