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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
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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
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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
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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
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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
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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
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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