#DUP

MySQL Error number: MY-013647; Symbol: ER_IB_ERR_INDEX_DUPLICATE_KEY; SQLSTATE: HY000

文档解释Errornumber:MY-013647;Symbol:ER_IB_ERR_INDEX_DUPLICATE_KEY;SQLSTATE:HY000Message:%s错误说明MY-013647/ER_IB_ERR_INDEX_DUPLICATE_KEY错误是在MySQL数据库服务器中发生的一个致命错误,这意味着...

MySQL Error number: MY-013946; Symbol: ER_WARN_COMPONENT_KEYRING_OCI_DUPLICATE_KEY; SQLSTATE: HY000

文档解释Errornumber:MY-013946;Symbol:ER_WARN_COMPONENT_KEYRING_OCI_DUPLICATE_KEY;SQLSTATE:HY000Message:DuplicatekeyfoundinkeyringwithName:%sandOwner:%s.错误说明MY-01394...

MySQL Error number: MY-013963; Symbol: ER_IB_DUPLICATE_KEY; SQLSTATE: HY000

文档解释Errornumber:MY-013963;Symbol:ER_IB_DUPLICATE_KEY;SQLSTATE:HY000Message:%s:table=%s,index=%s,n_uniq=%zu,n_fields=%zu,lhs=(%s),rhs=(%s)错误说明:MY-013963错误码ER_IB_...

vue学习中遇到的错误 Duplicate keys detected: '[object Object]'. This may cause an update error.

前端入门自学,说错的请大神指点。Avoidusingnon-primitivevalueaskey,usestring/numbervalueinstead.Duplicatekeysdetected:‘[objectObject]’.Thismaycauseanupdateerror.  运行后出...

Vue router报错:NavigationDuplicated {_name: "NavigationDuplicated", name: "NavigationDuplicated"}的解决方法

在main.js下添加:importRouterfrom'vue-router'Vue.use(Router)constoriginalPush=Router.prototype.pushRouter.prototype.push=functionpush(location){returnoriginalPush.ca...

文件I/O(不带缓冲)之dup和dup2函数

下面两个函数都可用来复制一个现有的文件描述符:#include<unistd.h>intdup(intfiledes);intdup2(intfiledes,intfiledes2);两函数的返回值:若成功则返回新的文件描述符,若出错则返回-1由dup返回的新文件描述符一定是当前可用文件描述符中的最小数值。...

Duplicate entry &#39;97112&#39; for key 1

1、错误描写叙述2014-07-0810:27:13,939ERROR(com.you.conn.JDBCConnection:104)-com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException:Duplicateentry'9...

LeetCode:26. Remove Duplicates from Sorted Array(Easy)

https://leetcode.com/problems/remove-duplicates-from-sorted-array/description/给定一个已经排序的整数数组nums[],返回除去重复元素后的数组长度注意:不能重新创建一个数组,空间复杂度为O(1)使用指针j来遍历数组,i用来计数。初始时,i指向...

83. Remove Duplicates from Sorted List

Givenasortedlinkedlist,deleteallduplicatessuchthateachelementappearonly once.Example1:Input:1->1->2Output:1->2Example2:Input:1->1->2->3-&...

82. Remove Duplicates from Sorted List II

Givenasortedlinkedlist,deleteallnodesthathaveduplicatenumbers,leavingonly distinct numbersfromtheoriginallist.Example1:Input:1->2->3->3->4...

ON DUPLICATE KEY UPDATE

如果在INSERT语句末尾指定了ONDUPLICATEKEYUPDATE,并且插入行后会导致在一个UNIQUE索引或PRIMARYKEY中出现重复值,则在出现重复值的行执行UPDATE;如果不会导致唯一值列重复的问题,则插入新行。 这个语法和适合用在需要判断记录是否存在,不存在则插入存在则更新的场景.注意:O...
代码星球 ·2021-02-01

leetcode 442. Find All Duplicates in an Array

Givenanarrayofintegers,1≤a[i]≤ n (n =sizeofarray),someelementsappear twice andothersappear once.Findalltheelementsthatappear ...

leetcode 316. Remove Duplicate Letters

Givenastringwhichcontainsonlylowercaseletters,removeduplicateletterssothateveryletterappearonceandonlyonce.Youmustmakesureyourresultisthesmallestinlexicographic...

[Vue warn]: Duplicate keys detected: ''. This may cause an update error.

一、问题提示  二、原因  三、解决办法 ...
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