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Refresh + Power 阅读全文
posted @ 2014-09-10 10:41
zmiao
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http://www.papervisions.com/implementing-system-call-in-minix-os/ 阅读全文
posted @ 2014-09-09 09:15
zmiao
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String text=new Scanner(File('input.txt')).useDelimiter("\\A").next();java version! 阅读全文
posted @ 2014-09-07 14:12
zmiao
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Simple idea: just use a TIMEOUT, if no answer after a certain seconds, just re-deliver! 阅读全文
posted @ 2014-09-06 15:00
zmiao
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- parent of all the drivers and servers- when a driver or server dies, RS collects it.- RS checks a table for action to take, e.g: restart it.- RS als... 阅读全文
posted @ 2014-09-06 14:57
zmiao
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One efficient way to compute the GCD of two numbers is to use Euclid's algorithm, which states the following: GCD(A, B) = GCD(B, A % B) GC... 阅读全文
posted @ 2014-09-05 10:17
zmiao
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System.out.println(""+ 1/2);得不到0.5,只能得到0.要想打印出浮点数,必须除数和被除数至少有一个是浮点数,像这样:System.out.println(""+ 1/2.0);就可以了。 阅读全文
posted @ 2014-09-04 16:29
zmiao
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A patch captures the changes of two different files (oldfile and newfile). Given the oldfile and the patch, one can use the patch program to create th... 阅读全文
posted @ 2014-09-03 03:44
zmiao
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Even though the UNIX system introduces a number of innovative programs and techniques, no single program or idea makes it work well. Instead, what mak... 阅读全文
posted @ 2014-09-01 17:22
zmiao
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使用 vi 来编辑一个文件。当您键入 vi 时,在 inode 表中找到 inode 编号之后,才允许您打开该 inode 。在 vi 的编辑会话期间,更改了该 inode 中的某些属性,当您完成操作并键入 :wq 时,将关闭并释放该 inode 。通过这种方式,如果两个用户试图对同一个文件进行编... 阅读全文
posted @ 2014-09-01 11:32
zmiao
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