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Sum It Up 广搜
Sum It UpTime Limit:1000MSMemory Limit:32768KB64bit IO Format:%I64d & %I64uSubmitStatusDescriptionGiven a specified total t and a list of n integers, ...
分类:其他好文   时间:2014-07-16 19:11:38    阅读次数:236
USACO 4.1 Fence Loops
Fence LoopsThe fences that surround Farmer Brown's collection of pastures have gotten out of control. They are made up of straight segments from 1 thr...
分类:其他好文   时间:2014-07-16 19:06:02    阅读次数:516
Setting up libvirt for TLS (Encryption & Authentication)
Setting up libvirt for TLS (Encryption & Authentication) Setting up your virtualisation infrastructure for Transport Layer Security (TLS) isn't very d...
分类:其他好文   时间:2014-07-16 18:18:08    阅读次数:289
Leetcode Unique Paths II
Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be?An obstacle and empty space i...
分类:其他好文   时间:2014-07-16 18:09:43    阅读次数:209
神奇的CSS形状
在StackOverflow上有这么一个问题,有位同学在http://css-tricks.com/examples/ShapesOfCSS/找到一些使用CSS做的形状,其中一位同学对下面的这个形状充满了疑问。形状是:代码是:#triangle-up {width: 0;height: 0;bord...
分类:Web程序   时间:2014-07-16 17:42:09    阅读次数:213
VirtualBox 导入Slackware Linux 虚拟系统后无法up 网卡
原因是虽然Virtual Box 导入的时候有重设网卡MAC 的选项,不过实际上好像只是重置的虚拟机的,虚拟机中的系统还得自己手工改MAC 地址。...
分类:系统相关   时间:2014-07-16 17:09:59    阅读次数:227
Hibernate update 和 merge 、saveOrUpdate的区别
this.getSession().update(obj);this.getSession().merge(obj);this.getSession().saveOrUpdate(obj);1. update 和 merge的区别首先在执行更新操作的时候,两者都必须要有idupdate是直接执行up...
分类:系统相关   时间:2014-07-15 09:53:33    阅读次数:285
LeetCode——Binary Tree Level Order Traversal II
Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root). For example: Given binary tree {3,9,20,#,#,15,7}, ...
分类:其他好文   时间:2014-07-14 17:31:14    阅读次数:229
Shutting down interface eth0: bridge br0 is still up; can't delete it
场景说明:目前在CentOS版本上进行网桥br0到普通网络的配置eth0,发现如下的一个问题ifconfigbr0Linkencap:EthernetHWaddr00:0C:29:5D:07:15inetaddr:192.168.40.250Bcast:192.168.40.255Mask:255.255.255.0inet6addr:fe80::20c:29ff:fe5d:715/64Scope:LinkUPBROADCASTRUNNINGMU..
分类:其他好文   时间:2014-07-14 16:35:23    阅读次数:1017
Bringing up interface eth0: Device eth0 does not seem to be present, delaying initialization
执行 service network restart  出现了网卡无法启动,说找到不到 Bringing up interface eth0: Device eth0 does not seem to be present, delaying initialization 解决办法: 1》 修改/etc/udev/rules.d/70-persistent-net.rules文件,删除或...
分类:其他好文   时间:2014-07-14 13:36:10    阅读次数:255
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