原题地址:https://oj.leetcode.com/problems/climbing-stairs/题意:You
are climbing a stair case. It takesnsteps to reach to the top.Each time you can
either cl...
分类:
编程语言 时间:
2014-05-28 03:27:49
阅读次数:
267
Running monkeyrunnerYou can either run monkeyrunner
programs from a file, or enter monkeyrunner statements in an interactive
session. You do both by i...
分类:
其他好文 时间:
2014-05-26 15:07:58
阅读次数:
263
在jsf1使用 taglib 定义 标签出现The absolute uri:
http://java.sun.com/jsf/core cannot be resolved in either web.xml or the jar
files deployed with this applicat...
分类:
Web程序 时间:
2014-05-26 11:48:20
阅读次数:
327
在64位 Windows 7中水晶报表的错误:Crystal Report Error: Either
the Crystal Reports registy key permission are insufficient or the Crystal
Reports runtime is not ...
分类:
其他好文 时间:
2014-05-26 06:38:07
阅读次数:
219
题目
You are climbing a stair case. It takes n steps to reach to the top.
Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top?
解答...
分类:
其他好文 时间:
2014-05-25 00:37:34
阅读次数:
284
A bit is a binary digit, taking a logical value of either 1 or 0 (also referred to as "true" or "false" respectively). And every decimal number has a binary representation which is actually a series o...
分类:
其他好文 时间:
2014-05-24 17:19:41
阅读次数:
335
建立ssh无验证连接
Check for SSH keys、
cd ~/.ssh
ls
Check the directory listing to see if you have a file named either id_rsa.pub or id_dsa.pub
检查有无产生过的key,一台机器只能创建一个。如果重新创建则前一个会被覆盖。
Generate a new SSH ...
分类:
其他好文 时间:
2014-05-22 18:33:48
阅读次数:
261
Direct request is the simplest method used to request a semaphore. The request behaves as an atomic read and set operation. The result of a request is either to grant the semaphore
to the requesting...
分类:
其他好文 时间:
2014-05-22 17:21:38
阅读次数:
517
1,Hmaster主循环主要这里主要有:
1,1 becomeActiveMaster(startupStatus);
1.2 finishInitialization
1.3 loop()
becomeActiveMaster(startupStatus);
// We are either the active master or we were asked to shut...
分类:
其他好文 时间:
2014-05-22 10:17:01
阅读次数:
381
Problem Description
A tree is a well-known data structure that is either empty (null, void, nothing) or is a set of one or more nodes connected by directed edges between nodes satisfying the follow...
分类:
其他好文 时间:
2014-05-21 10:55:57
阅读次数:
325