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摘要： The familiar decimal, or base-10, representation has been in use for over 1000 years, having been developed in India, improved by Arab mathematicians 阅读全文

摘要： Linux是一个很大的东西，而且稍微按照鸟哥的书做点网络上的扩展就会有很多很多的东西，常常会使得自己迷失，所以我认为在学习的时候，还是应该有自己的目标，写出关于目标的博客，不要什么都讲，却什么都不精确。 背景：家里电脑坏了，就重装系统，既然重装系统，就顺便装了win7+ubuntu双系统，既然重装系 阅读全文

摘要： The operating system has two primary purpose:(1)to protect the hardware from misuse by runaway applications, and(2)to provide applications with simple 阅读全文

摘要： 1.3 It pays to understand how compilation systems work Why programmers need to understand how compilation systems work? 1)Optimizing program performan 阅读全文

摘要： 1.1Information is bits + context. All information in a system——including disk files,programs stored in memory ,user data stored in memory ,and data tr 阅读全文

摘要： C语言刚学完的随笔。 1.学会在头文件中用宏定义调试语句 #define SPIDER_LOG(level, format, ...) do{ \ if (level >= g_conf->log_level) {\ time_t now = time(NULL); \ char msg[MAX_M 阅读全文

摘要： 首先建议去下载libevent的压缩包。libevent-2.0.22-stable.tar。 放入Ubuntu解压 然后阅读READ.ME，得出： 1、./configure配置生成Makefile 2、make 3、make verify（option）（就是可选，可以不用这个命令） 4、sud 阅读全文