案例环境: 操作系统版本: Red Hat Enterprise Linux Server release 5.7 64bit 数据库版本 : 5.6.19 MySQL Community Server AutoMySQLBackup: Automysqlbackup-v3.0_rc6 案例场景: AutoMySQLBackup 3.0版本备份时,出现告警错误"du: WARNING: use --si, not -H; the meaning of the -H option will soo…
在ubuntu 下编译snappy时,在检查依赖关系时,处理autoconf的包时,在相关依赖包都已经安装的情况下,报如下错误,死活不过. configure.ac:32: error: possibly undefined macro: AC_DEFINE 几经辗转,在stackoverflow上找到解决方案: justinclift commented on 15 Mar 2013 As possibly useful info if anyone else hits the "possib…
If you’ve developed anything in the supply chain area, you’ve most probably come across InventDimJoin. InvenDimJoin is a macro and it’s mostly used to narrow down search results for inventory transactions (inventTrans) or inventory postings (inventTr…
前言:si的教程市面上是很少的,layout是台湾工程师的强项,还有就是日本人,国人爱用AD. si的教程中靠谱的还是张飞的收费课程,还有华为的资料. Cadence SI 仿真实验步骤如下: 1.熟悉Allegro PCB SI中的设置向导 a) 利用Allegro PCB SI中的设置向导设置印制板叠层信息 b) 利用设置向导确认DC网络 c) 利用设置向导完成器件分类设置 2.在Allegro PCB SI中为器件分配模型 a) 自动分配器件…
macro is typeless and execute faster than funtion ,becaus of the overhead of calling and returnning of function,but macro will increase the size of program due to many time's substitution,as well as the side effect of macro may cause unexpected res…
转载:http://blog.csdn.net/kasalyn/article/details/17097639 The __KERNEL__ macro is defined because there is programs (like libraries) that include kernel code and there is many things that you don't want them to include. So most modules will want the__…
看<C程序设计语言>(英文版)学到的两个用法. 两个很简单的宏用法. #的用法: if, however, a parameter name is preceded by a # in the replacement text, the combination will be expanded into a quoted string with the parameter replaced by the actual argument. #include <stdlib.h> #d…
