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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
centos里mysql无法用localhost连接的解决方法
遇到这个问题可能是由于我未安装在默认路径导致的解决方法:由于mysql 默认的mysql.sock 是在/var/lib/mysql/mysql.sock,但linux系统总是去/tmp/mysql.sock查找,所以会报错[root@localhost ~]# find / -name mysql...
分类:数据库   时间:2014-06-12 23:05:35    阅读次数:340
Failed to Attach to Process ID Xcode 解决办法
方法1.go to the Product menu and find the Edit Scheme menu there.While in Edit Scheme window, select the "Run" option on the left hand side of the scree...
分类:其他好文   时间:2014-06-12 21:03:42    阅读次数:317
[Leetcode] Best Time to Buy and Sell Stock III
Question:Say you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may c...
分类:其他好文   时间:2014-06-12 19:55:05    阅读次数:292
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
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] 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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