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xargs详解
一、场景这个命令是错误的 find ./ -perm +700 |ls -l这样才是正确的find ./ -perm +700 |xargs ls -l 二、用法[root@localhost tmp]# xargs --helpUsage: xargs [-0prtx] [--interactiv...
分类:其他好文   时间:2015-07-06 12:10:00    阅读次数:118
lintcode: ugly number
问题描述Ugly number is a number that only have factors 3, 5 and 7.Design an algorithm to find the Kth ugly number. The first 5 ugly numbers are 3, 5, 7, 9, 15 …问题分析这个题,有多种方法求解,常见的是有辅助数据结构,比如priority_queue,...
分类:其他好文   时间:2015-07-06 01:32:42    阅读次数:533
AspectJ 出现错误::0 can‘t find referenced pointcut 的解决
使用AspectJ注解开发AOP应用时,会遇到以下问题: ::0 can‘t find referenced pointcut 这个问题,实际是与你所在的开发环境有关,如下表 jdk version spring version aspectjrt version and aspectjweaver versi...
分类:Web程序   时间:2015-07-06 00:14:24    阅读次数:242
leetcode:Contains Duplicate
Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the arr...
分类:其他好文   时间:2015-07-05 22:29:21    阅读次数:151
STL之rb_tree的find函数
1 通用的search方法 STL在实现对特定key值的查找时,并没有采用通用的方法: BRTreeNode * rb_tree_search(RBTreeNode * x, int key){ while(x ! = NULL && x->key != key){ if( x->key > key){ x = x ->left; }else{ x = x->right...
分类:其他好文   时间:2015-07-05 21:16:46    阅读次数:149
leetcode速度才是王道 1.Two Sum
1. 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 ...
分类:其他好文   时间:2015-07-05 19:49:25    阅读次数:93
Find the capitals
Find the capitalsDescription:InstructionsWrite a function that takes a single string (word) as argument. The function must return an ordered list cont...
分类:Windows程序   时间:2015-07-05 19:41:45    阅读次数:181
1.QT该容器QVector,QList,QSet,QMap,QQueue,QStack,QMultiMap,QSingleList等待
1新建一个项目在pro文件里仅仅须要加上CONFIG += C++11main.cpp#includeintmain(){QMapmap;map.insert(1,"1");map.insert(2,"2");map.insert(3,"3");map[4]="4";if(map.find(1)==...
分类:其他好文   时间:2015-07-05 18:26:05    阅读次数:138
leetcode_219题——Contains Duplicate II(哈希表)
Contains Duplicate IITotal Accepted:13284Total Submissions:51898My SubmissionsQuestionSolutionGiven an array of integers and an integerk, find out whe...
分类:其他好文   时间:2015-07-05 18:06:26    阅读次数:113
Kth Smallest Element in a BST
Given a binary search tree, write a function kthSmallestto find the kth smallest element in it. Note:  You may assume k is always valid, 1 ≤ k ≤ BST's total elements. 解题思路: 求BST(二叉排序树)中第k小的数...
分类:其他好文   时间:2015-07-05 16:53:00    阅读次数:150
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