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Shell的if格式
Shell中if的格式:if[conditions]thenexprelif[conditions]thenexprelsefi[conditions]包括1.!,-a,-o2.-n,-z,=,!=3.-eq,-ge,-gt,-le,-lt,-ne4.-ef,-nt,-ot5.-b,-c,-d,-e,-f,-g,-G,-h,-k,-L,-O,-p,-r,-s,-S,-t,-u,-w,-x类型1为逻辑判断是、非、与或[root@021Y-SH-BKAP~]#if[1=1-..
分类:系统相关   时间:2015-03-16 19:34:00    阅读次数:164
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1.absolute绝对定位的非绝对定位用法byzhangxinxufromhttp://www.zhangxinxu.com本文地址:http://www.zhangxinxu.com/wordpress/?p=608position为absolute的元素如果没有设置left, top等值与le...
分类:其他好文   时间:2015-03-16 12:39:02    阅读次数:192
【转】SQL中内连接和外连接
如表 ------------------------------------------------- table1 | table2 | ------------------------------------------------- id name |id score | 1 le...
分类:数据库   时间:2015-03-15 02:01:12    阅读次数:151
leetcode------Binary Tree Zigzag Level Order Traversal
标题:Binary Tree Zigzag Level Order Traversal通过率:26.5%难度:中等Given a binary tree, return thezigzag level ordertraversal of its nodes' values. (ie, from le...
分类:其他好文   时间:2015-03-14 15:05:47    阅读次数:151
Maximum Depth of Binary Tree
Given a binary tree, find its maximum depth.The maximum depth is the number of nodes along the longest path from the root node down to the farthest le...
分类:其他好文   时间:2015-03-13 00:14:25    阅读次数:141
ZOJ-3770(Ranking System)
Few weeks ago, a famous software company has upgraded its instant messaging software. A ranking system was released for user groups. Each member of a group has a level placed near his nickname. The le...
分类:其他好文   时间:2015-03-11 17:14:04    阅读次数:196
Binary Tree Level Order Traversal II
Binary Tree Level Order Traversal II问题:Given a binary tree, return thebottom-up level ordertraversal of its nodes' values. (ie, from left to right, le...
分类:其他好文   时间:2015-03-11 09:15:51    阅读次数:125
PAT:1004. Counting Leaves (30) AC
#include#includeconst int MAX=510;using namespace std;int n,m,le=0; //节点数,非叶子节点数,最深层叶层数vector child[MAX]; //存储孩子情况int number[MAX]; //...
分类:其他好文   时间:2015-03-10 16:49:01    阅读次数:149
leetcode-java题解(每天更新)
说明:选用java,重在体会,性能不是最优。欢迎转载:http://www.ming-yue.cn/leetcode-java-solutions/。 先给出一个leetcode的已有答案,为什么上来直接给出答案,因为这个好多答案写的都非常简洁,不太易懂,还是建议先自己做,答案只是参考http://www.ninechapter.com/solutions/。 1,https://le...
分类:编程语言   时间:2015-03-09 12:53:30    阅读次数:236
Remove Duplicates from Sorted Array
Remove Duplicates from Sorted Array问题:Given a sorted array, remove the duplicates in place such that each element appear onlyonceand return the new le...
分类:其他好文   时间:2015-03-08 10:23:57    阅读次数:126
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