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Map, filter and reduce
To add up all the numbers in a list, you can use a loop like this: Total is initialized to 0. Each time through the loop, x gets one element...
分类:其他好文   时间:2014-07-16 19:29:14    阅读次数:234
unity3d与eclipse集成开发android应用
原地址:http://blog.csdn.net/armoonwei/article/details/7032537Unity as a LibraryOnce you have eclipse installed and up to date you have to follow a few st...
分类:移动开发   时间:2014-07-16 19:26:21    阅读次数:246
[leetcode]Two Sum
Two SumGiven an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the...
分类:其他好文   时间:2014-07-15 08:45:17    阅读次数:236
递归算法——农夫养牛之动归
1 /** 2 * Created by Administrator on 14-5-15. 3 */ 4 public class NewCow_DP { 5 public static void main(String[] args){ 6 int[] cows=n...
分类:其他好文   时间:2014-07-15 00:57:22    阅读次数:267
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
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
OSPF拓扑排错报告
OSPF排错报告故障点一:PPP链路故障故障现象:R2和R4之间的PPP链路一会down一会UP故障分析:1) ppp 认证类型是否一致2) ppp chap认证用户是否配置正确3) pppp chap认证密码是否配置正确4) 进行chap认证的用户是否包含ppp的服务类型故障解决:1) 在RT2 ...
分类:其他好文   时间:2014-07-13 19:33:28    阅读次数:284
A strange lift
点击打开链接 题意:有n层楼层,现在在每一层有两个按钮,分别为up和down,按动按钮时,可以向上或向下跳动num[ i ]层;问能否以最少的次数从A到B层,不能输出-1; 解析:构图,将从i层到按动按钮后跳转的楼层,看作连通状态,赋值为1,这样就转换成单源最短路问题; #include #include #include using namespace std; const int m...
分类:其他好文   时间:2014-07-13 18:37:00    阅读次数:231
Linux下永久修改MAC地址和ifconfig命令总结
1. 固定一个MAC地址,特别是在使用多个虚拟机的时候 linux环境下: 用root身份登录,在/etc/rc.d/rc.local里加上这三句 ifconfig eth0 down ifconfig eth0 hw ether 00:0C:18:EF:FF:ED ifconfig eth0 up 这样重新reboot后就不怕MAC复原了。 2. ifconfig命令(转...
分类:系统相关   时间:2014-07-13 16:14:11    阅读次数:322
Path Sum
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum. For example: Given the below binary tree and sum ...
分类:其他好文   时间:2014-07-13 13:58:01    阅读次数:184
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