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Java集合去重
//普通集合List去重方法 public List<floorMapper> removethesame(List<floorMapper> list) { //创建一个临时集合装去重后的数据 List<floorMapper> tempList = new ArrayList<floorMapp ...
分类:编程语言   时间:2019-12-31 18:49:24    阅读次数:74
Combination Sum IV
Description Given an integer array nums with all positive numbers and no duplicates, find the number of possible combinations that add up to a positiv ...
分类:其他好文   时间:2019-12-21 22:30:21    阅读次数:119
Find the Duplicate Number
Description Given an array nums containing n + 1 integers where each integer is between 1 and n (inclusive), guarantee that at least one duplicate num ...
分类:其他好文   时间:2019-12-21 20:53:19    阅读次数:114
Theory of Storage
https://www.intelligenteconomist.com/theory-of-storage/ The Theory of Storage describes features observed in commodity markets. Here are some basic te ...
分类:其他好文   时间:2019-12-20 13:49:46    阅读次数:93
[LC] 287. Find the Duplicate Number
Given an array nums containing n + 1 integers where each integer is between 1 and n (inclusive), prove that at least one duplicate number must exist. ...
分类:其他好文   时间:2019-12-19 12:50:24    阅读次数:95
遇到的错误:Mysql 报错Duplicate entry '值' for key '字段名'的解决
### Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry 'admin' for key 'user_ ...
分类:数据库   时间:2019-12-15 16:09:03    阅读次数:361
Duplicate File Finder Remover for Mac(重复文件查找软件) v1.2.5569中文
你是否还在为内存中太多的重复文件占用空间而烦恼呢?试试Duplicate File Finder Remover for Mac吧!Duplicate File Finder Remover Mac版是一款运行在MacOS平台上的重复文件查找软件。Mac电脑每个硬盘驱动器每天都会收到很多的重复文件, ...
分类:系统相关   时间:2019-12-15 12:29:57    阅读次数:101
12.2新特性 使用DBCA duplicate创建物理备用数据库 (Doc ID 2283697.1)
Creating a Physical Standby database using DBCA duplicate (Doc ID 2283697.1) APPLIES TO: Oracle Database Cloud Exadata Service - Version N/A and later ...
分类:数据库   时间:2019-12-15 12:17:42    阅读次数:121
leetcode 26. Remove Duplicates from Sorted Array
原地移除元素,返回新长度 javascript const removeDuplicates = nums = { let index = 1; for (let i = 0; i ...
分类:其他好文   时间:2019-12-15 10:36:46    阅读次数:76
学习重构(5)-简化条件表达式
1.Decompose Conditional (分解条件表达式)应用场景:你有一个复杂的条件(if-then-else)语句。从if、then、else三个段落中分别提炼出独立函数。示例:if (date.before(SUMMER_START) || date.after(SUMMER_END) ...
分类:其他好文   时间:2019-12-07 19:25:07    阅读次数:103
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