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a560pi7 d6 拆卸风扇

RISC OS for Raspberry pi Posted on November 5, 2012 by eben We’re very pleased to announce the immediate availability of RISC OS for the Raspberry pi. First released in 1987, its origins can be traced back to the original team that developed the ARM microprocessor. RISC OS is owned by Castle Technology Ltd, and maintained by RISC OS Open Ltd. This version is made available free of charge to Ra...

by Hongqiyaodao - BSD - 2012-11-07 12:19:19 阅读(1727) 回复(2)

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本帖最后由 hniu 于 2012-08-21 21:17 编辑 最近看到树莓派的板子很火,请问可以作为简易的服务器吗? 不知道还有没有其它的开发板可以作为服务器用的?

by hniu - 嵌入式开发 - 2012-08-21 21:16:45 阅读(1498) 回复(0)

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by whiantelope - Web开发 - 2011-12-23 01:11:19 阅读(599) 回复(0)

在fedora.unix-center.net上的实验结果,加速比基本上约等于2。 -bash-3.2$gcc –xopenmp –o 2 2.c -bash-3.2$ ./2 the whole processing time of the program is 0.951687 seconds pi=3.141593 -bash-3.2$gcc –o 1 1.c -bash-3.2$ ./1 the whole processing time of the program is 1.791129 seconds pi=3.141593 同样的程序运行在t10000.unix-center.net上,效果完全不一样,具体原因还在寻找中。 -bash-3.00$ CC -o 11 1...

by xuyuanchao - Linux文档专区 - 2009-06-14 11:52:27 阅读(766) 回复(0)

[PHP] $vmstat 2 10 procs memory page disk faults cpu r b w swap free re mf pi po fr de sr m1 m1 m1 m2 in sy cs us sy id 0 0 0 11693736 3503208 4339 721 2227 33 31 0 0 4 3 3 0 3319 2675 6889 941 505 496 0 1 0 11403056 3333456 3546 5841 5628 0 0 0 0 156 78 78 0 1552 15783 4976 17 17 66 0 0 0 11406592 3333152 1846 0 7996 0 0 0 0 230 115 115 0 1548 79...

by freeden - Solaris - 2007-06-15 09:45:13 阅读(3507) 回复(1)

[PHP] $vmstat 2 10 procs memory page disk faults cpu r b w swap free re mf pi po fr de sr m1 m1 m1 m2 in sy cs us sy id 0 0 0 11693736 3503208 4339 721 2227 33 31 0 0 4 3 3 0 3319 2675 6889 941 505 496 0 1 0 11403056 3333456 3546 5841 5628 0 0 0 0 156 78 78 0 1552 15783 4976 17 17 66 0 0 0 11406592 3333152 1846 0 7996 0 0 0 0 230 115 115 0 15...

by zhengquan - Solaris - 2007-06-15 22:44:39 阅读(1543) 回复(5)

[PHP]\r\n$vmstat 2 10\r\n procs memory page disk faults cpu\r\n r b w swap free re mf pi po fr de sr m1 m1 m1 m2 in sy cs us sy id\r\n 0 0 0 11693736 3503208 4339 721 2227 33 31 0 0 4 3 3 0 3319 2675 6889 941 505 496\r\n 0 1 0 11403056 3333456 3546 5841 5628 0 0 0 0 156 78 78 0 1552 15783 4976 17 17 66\r\n 0 0 0 11406592 3333152 1846 0 7996 0 0 0 ...

by zhengquan - Solaris - 2007-06-15 22:44:39 阅读(3095) 回复(5)

怎么调用pi()函数? glibc的函数文档没找到

by initx - C/C++ - 2005-05-13 08:04:38 阅读(3596) 回复(5)

大家都知道new返回 void *. 而C++中不能从任何其它指针隐式转化为void *的。 那为什么这样可以呢? 编译器做了什么手脚?

by THEBEST - C/C++ - 2004-04-22 18:17:20 阅读(2730) 回复(9)

某宝上Raspberry pi 512m的都要卖240+上,国内的什么盒子的都在299左右,而cpu则是4核,内存1g神马的?有没有人直接拿各种盒子来做开发板的? {:2_172:} 跟pi比有优势么?

by craaazy123 - 嵌入式开发 - 2014-01-04 00:21:09 阅读(1180) 回复(3)