. Introducing the Solaris 10 Operating System Purpose of the operating system and the concept of kernel layering Diagram the segments that make up the process address space The trap mechanism Differentiate between hardware and software interrupts Ne
交换器
Django可交换模型-不再仅适用于auth.User！
Swapper是非官方的API，用于但功能非常强大的Django功能：可交换模型。 Swapper有助于在您自己的可重用应用程序中实现任意可交换模型。
动机
假设您的可重用应用程序具有两个相关的表：
from django . db import models
class Parent ( models . Model ):
name = models . TextField ()
class Child ( mode
