Compare, sort, and delete duplicate lines in Notepad ++ Organize Lines: Since version 6.5.2 the app has a native functionality to draw lines Simply go to Edit> Line Operations> Sort Lines as Integer AscendingThere are also other options to raffle in…

作用:查找指定目录(一个或多个)及子目录下的所有重复文件,分组列出,并可手动选择或自动随机删除多余重复文件,每组重复文件仅保留一份.(支持文件名有空格,例如:"file  name" 等) 实现:find遍历指定目录查找所有文件,并对找到的所有文件进行MD5校验,通过比对MD5值分类处理重复文件. 不足:  find 遍历文件耗时: MD5校验大文件耗时: 对所有文件校验比对耗时(可考虑通过比对文件大小进行第一轮的重复性筛选,此方式针对存放大量大文件的目录效果明显,本脚本未采用): 演…

There can be two types of duplication of rows in a table 1. Entire row getting duplicated because there is no primary key or unique key. 2. Only primary key or unique key value is different, but remaining all values are same. Scenario 1: Delete dupli…

How would you remove duplicate lines from a file that is  much too large to fit in memory? The duplicate lines are not necessarily adjacent, and say the file is 10 times bigger than RAM. A better solution is to use HashSet to store each line of input…

Write a SQL query to delete all duplicate email entries in a table named Person, keeping only unique emails based on its smallest Id. +----+------------------+ | Id | Email | +----+------------------+ | 1 | john@example.com | | 2 | bob@example.com |…

Write a SQL query to delete all duplicate email entries in a table named Person, keeping only unique emails based on its smallest Id. +----+------------------+ | Id | Email | +----+------------------+ | 1 | john@example.com | | 2 | bob@example.com |…

Write a SQL query to delete all duplicate email entries in a table named Person, keeping only unique emails based on its smallest Id. +----+------------------+ | Id | Email | +----+------------------+ | 1 | john@example.com | | 2 | bob@example.com |…

Write a SQL query to delete all duplicate email entries in a table named Person, keeping only unique emails based on its smallest Id. +----+------------------+ | Id | Email | +----+------------------+ | 1 | john@example.com | | 2 | bob@example.com |…

Write a SQL query to delete all duplicate email entries in a table named Person, keeping only unique emails based on its smallest Id. +----+------------------+ | Id | Email | +----+------------------+ | 1 | john@example.com | | 2 | bob@example.com |…

Write a SQL query to delete all duplicate email entries in a table named Person, keeping only unique emails based on its smallest Id. +----+------------------+ | Id | Email | +----+------------------+ | 1 | john@example.com | | 2 | bob@example.com |…