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Build path contains duplicate entry:'lib/xxxxxxx.jar' for project 'xxxxxx'
eclipse在编译时出现的问题:问题描述:因为jar包路劲重复所造成的问题;Probleams View:Errors: Build path contains duplicate entry:'lib/xxxxxxx.jar' for project 'xxxxxx'. 问题类型:Build ....
分类:编程语言   时间:2015-09-29 09:56:40    阅读次数:189
[LeetCode] Find the Duplicate Number
There are mainly two solutions to solve this problem.The first one is very clever, using the idea of cycle detection, and runs in O(n) time. You may r...
分类:其他好文   时间:2015-09-28 18:57:25    阅读次数:163
[LeetCode] Find the Duplicate Number
Find the Duplicate NumberGiven an arraynumscontainingn+ 1 integers where each integer is between 1 andn(inclusive), prove that at least one duplicate ...
分类:其他好文   时间:2015-09-28 14:28:07    阅读次数:117
[LeetCode] Find the Duplicate Number 寻找重复数
Given an array nums containing n + 1 integers where each integer is between 1 and n (inclusive), prove that at least one duplicate element must exist....
分类:其他好文   时间:2015-09-28 13:18:57    阅读次数:166
mysql存在则更新,不存在则插入
INSERT INTO ON DUPLICATE KEY UPDATE 与 REPLACE INTO,两个命令可以处理重复键值问题,在实际上它之间有什么区别呢? 前提条件是这个表必须有一个唯一索引或主键。 unique 1、REPLACE发现重复的先删除再插入,如...
分类:数据库   时间:2015-09-22 20:34:37    阅读次数:529
Leetcode Contains Duplicate II
Given an array of integers and an integerk, find out whether there are two distinct indicesiandjin the array such thatnums[i] = nums[j]and the differe...
分类:其他好文   时间:2015-09-22 06:36:31    阅读次数:124
Leetcode Contains Duplicate III
Given an array of integers, find out whether there are two distinct indicesiandjin the array such that the difference betweennums[i]andnums[j]is at mo...
分类:其他好文   时间:2015-09-22 06:35:16    阅读次数:173
mysql数据库增加删除跟新,关联数据
增加数据 当主键冲突是,选择怎么怎么做insert into table (id,name,age) value(13,'ddd',45)on duplicate key update name='ddd' age=45;默认有主键约束,不会插入成功但是可以在insert语法内,控制在主键冲突时,改...
分类:数据库   时间:2015-09-21 23:56:29    阅读次数:185
导入表数据 txt
导入表数据 txt 1 mysql> load data infile "D:/import.txt" into table shop;输出: 2 Query OK, 5 rows affected (0.08 sec) 3 Records: 5 Deleted: 0 Skipped: 0 W...
分类:其他好文   时间:2015-09-21 11:46:09    阅读次数:158
自动生成hibernate的hbm文件
本文有待商榷 当我们在新增插件的时候发现会出现duplicate location,意思是所选的anchive所包含的zip路径已经复用,现象如下: 如上图所示黄色标记部分“Duplicate location”,这时,我们需要对先前添加的archive进行删除,过程如下: 1、进入w...
分类:Web程序   时间:2015-09-21 06:56:39    阅读次数:226
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