1.先看看在glibc malloc的实现机制
/* This struct declaration is misleading (but accurate and necessary). It declares a "view" into memory allowing access to necessary fields at known offsets from a given base. See explanation below. */ st…
TROUBLESHOOTING GUIDE (TSG) - ORA-1555 [ID 467872.1]修改时间 05-OCT-2011 类型 HOWTO 状态 PUBLISHED
In this Document Goal Solution ReferencesApplies to: Oracle Server - Enterprise Edition - Version: 9.0.1.0 to 11.2.0.1.0 - Release: 9.0.1 to 11.2…
关于透明桥接的论述The Linux bridge code implements a subset of the ANSI/IEEE 802.1d standard.The code for bridging has been integrated into 2.4 and 2.6 kernel series.enable bridging in the kernel.make menuSet "networking -> 802.1d Ethernet Bridging…
第7章内存管理欢迎进入内存这片雷区。伟大的Bill Gates 曾经失言:640K ought to be enough for everybody— Bill Gates 1981程序员们经常编写内存管理程序,往往提心吊胆。如果不想触雷,唯一的解决办法就是发现所有潜伏的地雷并且排除它们&am…
Singleton应该说是平时用的最多的一种模式之一Singleton模式主要作用是保证在Java应用程序中,一个类Class只有一个实例存在。一般Singleton模式通常有几种形式: public class Singleton { private Singleton(){} //在自己内部定义自己一个实例,…
看见有个面试题目,求x, y的值: int i 3, j 3; int x (i) (i) (i); int y (j) (j) (j); 看到挺多人在争论,这样的表达式值应该是多少?甚至拿出几个不同的编译器来编译运行得到几个不同的结果。对于此题的答案,…
在大多2440开发板BSP中的SMDK2440/DRIVERS/backlite目录下一般都有背光驱动。在注册表中添加如下函数的时候,开机时确实可以打印"!!!!!!!!!!!! BACKLIGHT ON !!!!!!!!!!!!,如果没有操作大概1分钟后也可以打印!!!!!!!!!!!! BACKLIGHT OFF !!!!!!!!!!…
设计过程1 编程的本质是:没有意外,最小化耦合,最大化内聚
2 根除复杂性这个恶魔(Part 1)
2.1 不要解决不存在的问题2.2 解决一个问题,而不要解决一类问题
3 A user interface should not look like a computer program (the tr…
如果你在启动cognos8服务的过程中,碰到下面的问题,那么恭喜你,这篇文章正是你所需要的!
CM-CFG-5137 Content Manager was unable to complete the initialization of the content store.
CM-SYS-5003 Content Manager is unabl…
linux根文件系统与initrd 收藏 1 根文件系统
简单来说,(根文件系统)就是系统第一个mount的文件系统
Filesystem Handling
Like every traditional Unix system, Linux makes use of a system s root filesystem : …
Who may read this document? 1. People who familiar with gdb but not never use kgdb 2. People who like to debug kernel or driver module using the gdb way. Why to Using KGDB 1. Want to debug kernel 2. Want to debug driver module What’s hardware you needed …