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[Leetcode] First Missing Positive
Questions:Given an unsorted integer array, find the first missing positive integer.For example,Given[1,2,0]return3,and[3,4,-1,1]return2.Your algorithm...
分类:其他好文   时间:2014-06-13 13:16:42    阅读次数:205
Linux find 小练习
1.任务一查找/var目录下属主为root并且属组为mail的所有文件[root@localhost~]#find/var-userroot-a-groupmail /var/spool/mail /var/spool/mqueue [root@localhost~]#2.任务二查找/usr目录下不属于root,bin,或zhangfengzhe的文件[root@localhost~]#find/usrnot\(-userroot-o-..
分类:系统相关   时间:2014-06-10 23:37:02    阅读次数:387
启动提示 Starting HAL daemon:[FAILED]
精简了一下CentOS的开机自启服务,结果重启之后出现提示StartingHALdaemon:[FAILED]然后启动到crond的时候halt了……按理说这个守护进程不是致命的,FAILED也是应该能启动起来系统的,它只是担负U盘以及其他USB硬件识别功能。但是问题是如果需要启动到图形界面,鼠标键盘识别失..
分类:其他好文   时间:2014-06-10 23:35:36    阅读次数:1055
妈妈再也不用担心我找不到文件了---find
1.findvslocate在实际中,我们经常需要查找到一些特定文件,然后进行处理,LINUX提供了locate,find这两个命令用于文件查找。a.locate,非实时查找,非精确查找。linux会定期生成更新文件数据库,而locate将根据文件数据库进行查找。我们可以在使用locate命令前,更新文件数据库..
分类:其他好文   时间:2014-06-10 23:31:05    阅读次数:286
[LeetCode] Single Number
Given an array of integers, every element appears twice except for one. Find that single one.Note: Your algorithm should have a linear runtime complex...
分类:其他好文   时间:2014-06-10 21:27:22    阅读次数:284
[LeetCode] Single Number II
Given an array of integers, every element appears three times except for one. Find that single one.Note: Your algorithm should have a linear runtime c...
分类:其他好文   时间:2014-06-10 20:42:48    阅读次数:315
[Leetcode] Merge k Sorted Lists
Question: Mergeksorted linked lists and return it as one sorted list. Analyze and describe its complexity.Solution: Find the smallest list-head first....
分类:其他好文   时间:2014-06-10 19:51:30    阅读次数:278
[LeetCode OJ] Single Number之二 ——Given an array of integers, every element appears THREE times except for one. Find that single one.
1 class Solution { 2 public: 3 int singleNumber(int A[], int n) { 4 int bits = sizeof(int)*8; 5 int result=0; 6 for(int i...
分类:移动开发   时间:2014-06-10 19:45:48    阅读次数:334
Hibernate get和load区别
get和load方式是根据id取得一个记录下边详细说一下get和load的不同,因为有些时候为了对比也会把find加进来。1.从返回结果上对比:load方式检索不到的话会抛出org.hibernate.ObjectNotFoundException异常get方法检索不到的话会返回null2.从检索执...
分类:系统相关   时间:2014-06-10 19:32:47    阅读次数:335
[leetcode]Longest Common Prefix @ Python
原题地址:https://oj.leetcode.com/problems/longest-common-prefix/题意:Write a function to find the longest common prefix string amongst an array of strings.解...
分类:编程语言   时间:2014-06-10 16:31:52    阅读次数:261
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