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2010年2月20日

摘要: I've spent a lot of time on installing the ruby-on-rails by yum. But it doesn't work. Today I tried to download the tar package and intall it, it is s... 阅读全文

posted @ 2010-02-20 19:07 xuczhang 阅读(209) 评论(0) 推荐(0) 编辑

摘要: Steps for installing cscope in vim7.x1. make vim1) download the src code2) configure the vim./configure --with-x --enable-tclinterp --enable-cscope --... 阅读全文

posted @ 2010-02-20 19:06 xuczhang 阅读(607) 评论(0) 推荐(0) 编辑

摘要: the passage to describe how to set up the shared folder can be found here:http://www.virtuatopia.com/index.php/VirtualBox_Shared_Foldersif you want to... 阅读全文

posted @ 2010-02-20 19:05 xuczhang 阅读(174) 评论(0) 推荐(0) 编辑

摘要: The color should be:R:204G:232B:207Color name:#CCE8CF 阅读全文

posted @ 2010-02-20 19:04 xuczhang 阅读(258) 评论(0) 推荐(0) 编辑

摘要: From now on, I'll start the jos labs to improve my operating system knowledge. The lab0( actually it does not exist in 6.828 ) is a preparation for th... 阅读全文

posted @ 2010-02-20 19:03 xuczhang 阅读(416) 评论(0) 推荐(0) 编辑

摘要: This passage is got from http://www.mjmwired.net/resources/mjm-fedora-gcc.html Installing Alternate GCC Compiler on Fedora This guide shows how to ins... 阅读全文

posted @ 2010-02-20 19:02 xuczhang 阅读(489) 评论(0) 推荐(0) 编辑

摘要: 数在计算机中是以二进制形式表示的。数分为有符号数和无符号数。原码、反码、补码都是有符号定点数的表示方法。一个有符号定点数的最高位为符号位,0是正,1是副。 以下都以8位整数为例, 原码就是这个数本身的二进制形式。例如0000001 就是+11000001 就是-1 正数的反码和补码都是和原码相同。 ... 阅读全文

posted @ 2010-02-20 19:01 xuczhang 阅读(209) 评论(0) 推荐(0) 编辑

摘要: Here is a sample code to view the memory of an int type.[代码]The output is: FD FF FF FF (my machine is 32bits x86)As the output is little endian, so the number should be FF FF FF FDbinary format is:111... 阅读全文

posted @ 2010-02-20 19:00 xuczhang 阅读(132) 评论(0) 推荐(0) 编辑

摘要: The passage is refered from http://dougdiego.com/2008/12/04/install-sun-jdk-on-fedora-10/Install SUN JDK on Fedora 10 Installing the SUN JDK on Fedora... 阅读全文

posted @ 2010-02-20 18:57 xuczhang 阅读(303) 评论(0) 推荐(0) 编辑

摘要: 开始-运行-control userpasswords2-高级-管理密码 阅读全文

posted @ 2010-02-20 18:52 xuczhang 阅读(199) 评论(0) 推荐(0) 编辑

摘要: cmdnet use * /delY 阅读全文

posted @ 2010-02-20 18:51 xuczhang 阅读(116) 评论(0) 推荐(0) 编辑

摘要: 在经过了将近一个月的断断续续的业余时间的努力下,终于Lab2被我解决啦,本来在2周左右的时间就可以做完的,可是...有些在UserSpace中去做看起来很简单的事,在Kernel的环境下还是颇费周折的,特别是对于不太熟练的新手来说。回过头来看,在Lab2中实在没有什么技巧性很高很难懂的部分,乍看之下... 阅读全文

posted @ 2010-02-20 18:46 xuczhang 阅读(847) 评论(0) 推荐(0) 编辑

摘要: 1. find the virtual address at the last kernel mode in obj/kernel.asm:env_pop_tf(&(e->env_tf));supposed the virtual address is 0xf0102a362. vbreak 0x0... 阅读全文

posted @ 2010-02-20 18:45 xuczhang 阅读(222) 评论(0) 推荐(0) 编辑

摘要: Here I just refer the tutual from py2exe official page, that's simple and useful: http://www.py2exe.org/index.cgi/Tutorial It contains following steps... 阅读全文

posted @ 2010-02-20 17:41 xuczhang 阅读(470) 评论(0) 推荐(0) 编辑