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内核调试神器SystemTap — 简介与使用(一)
SystemTap是我目前所知的最强大的内核调试工具,有些家伙甚至说它无所不能:) Debuted in 2005 in Red Hat Enterprise Linux 4 Update 2 as a technology preview. After four years in development, System 1.0 was released in 2009. As of 2011 SystemTap runs fully supported in all Linux distributions...
分类:其他好文   时间:2014-06-05 12:35:09    阅读次数:280
LeetCode: Combinations [077]
【题目】 Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity O(n). For example, S = "ADOBECODEBANC" T = "ABC" Minimum window is "BANC". Note: If there is no such window in S that covers ...
分类:其他好文   时间:2014-06-05 11:14:26    阅读次数:255
LeetCode: Minimum Window Substring [076]
【题目】 Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity O(n). For example, S = "ADOBECODEBANC" T = "ABC" Minimum window is "BANC". Note: If there is no such window in S that covers ...
分类:Windows程序   时间:2014-06-05 10:03:07    阅读次数:473
linux配置nfs步骤及心得
这节我们介绍NFS的相关概念,以及如何配置NFS和在客户端中查看NFS。   NFS的配置过程很简单。在服务器端中编辑/etc/exports文件,添加如下内容:     /home/nfs-share    192.168.1.122 *(rw,sync)  第一项是要共享的目录,后者为共享的配置参数一般为:*(rw,sync,no_root_squash,no_all_squas...
分类:系统相关   时间:2014-06-05 06:13:16    阅读次数:459
Terrible Sets
Terrible SetsTime Limit:1000MSMemory Limit:30000KTotal Submissions:3017Accepted:1561DescriptionLet N be the set of all natural numbers {0 , 1 , 2 , . ...
分类:其他好文   时间:2014-05-31 22:01:28    阅读次数:325
Linux 常用命令
Linux打包命令tar -zcvf /home/xahot.tar.gz /xahottar -zcvf 打包后生成的文件名全路径 要打包的目录例子:把/xahot文件夹打包后生成一个/home/xahot.tar.gz的文件。# tar -xf all.tar这条命令是解出all.tar包中所有...
分类:系统相关   时间:2014-05-31 15:50:58    阅读次数:439
CentOs 中显示乱码问题
vi /etc/sysconfig/i18n LANG="en_US.UTF-8"SUPPORTED="en_US.UTF-8:en_US:en"SYSFONT="latarcyrheb-sun16"source /etc/sysconfig/i18n以及export LC_ALL=zh_CN.UT...
分类:其他好文   时间:2014-05-31 14:02:03    阅读次数:266
js二级下拉菜单
看似简单的一个菜单,确需要不少的知识点1. getByClassgetElementsByClassName 已经有大部分现代浏览器支持了,只有ie6,ie7,ie8是不支持的。所以对ie6,7,8做特别的处理就行,而ie里边有个内置的属性一直被我们所忽略,document.all,这个比一般的do...
分类:Web程序   时间:2014-05-31 08:20:41    阅读次数:340
Aizu 1335 Equal Sum Sets
DescriptionLet us consider sets of positive integers less than or equal ton. Note that all elements of a set are different. Also note that the order o...
分类:其他好文   时间:2014-05-31 05:12:49    阅读次数:246
综合使用union和limit区分结果并限制返回结果集的条数
select * from channel where pid=0 union select * from channel where pid=1 union select * from channel where pid=3 limit 5,10这里的limit限制了返回的union(合并)后的结...
分类:其他好文   时间:2014-05-31 01:47:26    阅读次数:218
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