COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION…

A microprocessor contains an address generation unit, including a segment block, for loading descriptor data and a segment selector in a segment register. Two descriptor loads from a global descriptor table (GDT) and a local descriptor table (LDT) ar…

档 ID 420787.1 White Paper Oracle Applications Multiple Organizations Access Control for Custom Code Checked for relevance on 12-JAN-2011 See Change Record This document discusses how to update the customization code that is affected by the access con…

BACKGROUND OF THE INVENTION A conventional virtual-machine monitor (VMM) typically runs on a computer and presents to other software the abstraction of one or more virtual machines. Each virtual machine may function as a self-contained platform, runn…

Gson解析JSON字符串时出现了下面的错误: No-args constructor for class X does not exist. Register an InstanceCreator with Gson for this type to fix this problem. 解决的办法是把对应的Class改成静态类.…

1 const const是定义一个常量 2 volatile 代表定义一个变量,这个变量值可能在CPU指令之外被改变 volatile int a;//定义了一个volatile类型的int变量 通过volatile定义的变量,编译器不会自作聪明的去优化这个变量相关的代码 int a = 10; volatile a = a+3; // 不允许编译器去优化这行代码 a = a+2; a = a+6; printf("a=%d\n",a); 若不加volatile,编译器可能会将其优化…

变量的储存类型决定标量何时创建,何时销毁以及他的值保持多久.有三个地方可以储存变量: 普通内存static 运行时堆栈auto 硬件寄存器register 变量的缺省储存类型取决于它的声明位置: 静态变量static: 凡是在代码块之外声明的变量总是存储于静态内存中,不属于堆栈的内存,无法为他们指定其他的储存类型,静态变量在程序运行之前创建,在整个程序执行期间始终存在,他始终保持原先的值,除非给他赋一个不同的值或者程序结束 自动变量auto:  在代码块内部声明的变量,储存于堆栈中,称为自动变量…

1.register修饰符暗示编译程序相应的变量将被频繁地使用,如果可能的话,应将其保存在CPU的寄存器中,以加快其存储速度.例如下面的内存块拷贝代码, /* Procedure for the assignment of structures, */ /* if the C compiler doesn't support this feature */ #ifdef NOSTRUCTASSIGN memcpy (d, s, l) { register char *d; register ch…

驱动开发读书笔记. 0.05 linux 2.6 platform device register 平台设备注册 2/2 共2篇 下面这段摘自 linux源码里面的文档 : 内核版本2.6.22Documentation/driver-model/platform.txt找到一篇译文:http://blog.csdn.net/yili_xie/article/details/5193609 Device Enumeration 82 ~~~~~~~~~~~~~~~~~~ 83 As a rule…

驱动开发读书笔记. 0.04  linux 2.6 platform device register 平台设备注册  1/2 共2篇下面这段摘自 linux源码里面的文档 : Documentation/driver-model/platform.txt Device Enumeration 82 ~~~~~~~~~~~~~~~~~~ 83 As a rule, platform specific (and often board-specific) setup code will 84 reg…