Each record in table should have a unique `key` prop,or set `rowKey` to an unique primary key. 1.react 报错 Each record in table should have a unique `key` prop,or set `rowKey` to an unique primary key. 表中的每个记录应该有唯一的“key”支持,或者将“rowKey”设置为唯一的主键. 2.解决方案…
typescript报错集锦 错误:Import sources within a group must be alphabetized.tslint(ordered-imports) 原因:import名称排序问题,要求按照字母从小到大排序: 解决方案:修改 tslint.json 中 rules 的规则 "ordered-imports" 为 false 即可. "rules": { "ordered-imports": false } vs…
react项目中,package.json中proxy的配置如下 "proxy": { "/api/rjwl": { "target": "http://47.94.142.215:8081", "changeOrigin": true } } 就会报这样的错误 When specified, "proxy" in package.json must be a string.Instea…
报错信息: [Error] Error: Unknown error: not all success patterns were matched. It means that "react-native run-android" command failed. Please, check the View -> Toggle Output -> React Native, View -> Toggle Output -> React Native: Run a…
报错信息是: Warning: Can't call setState (or forceUpdate) on an unmounted component. This is a no-op, but it indicates a memory leak in your application. To fix, cancel all subscriptions and asynchronous tasks in the componentWillUnmount method. 项目中tab切换,…
1.检查sql书写正确性 2.如果sql书写正确,则是由于数据库列名起的不好引起的,名字用到了数据库的关键字. 如果列很多,又不好确定是哪个列名使用了关键字,以下建议可供参考: 我用以下方法定位 select * from v$reserved_words where keyword in( select COLUMN_NAME from all_tab_columns where table_name = '表名大写' and owner='用户名大写' ); 来自为知笔记(Wiz)…
正文从这开始~ 总览 当我们从map()方法返回的两个或两个以上的元素具有相同的key属性时,会产生"Encountered two children with the same key"错误.为了解决该错误,为每个元素的key属性提供独一无二的值,或者使用索引参数. 这里有个例子来展示错误是如何发生的. // App.js const App = () => { // ️ name property is not a unique identifier const people…
今天用sqlldr导入数据时候报错: " Record 1: Rejected - Error on table ks_test, column khname.Field in data file exceeds maximum length " 看到这个错误后以为是字段值过小导致,将原来的varchar2(1000) 改到了varchar2(2000) 发现还是不可以,依旧报如上错误,于是怀疑是sqlldr自身存在某些限制了. 查了下,发现果然如此. 原来表中定义的字段REFUSE_…