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React loop循环组建component

效果图: ---------------------------------- | tab1 | tab2 | tab3 | tab4 | | desc | desc | desc |desc | ----------------------------------   原始component <TabPane label={getLabel('Introduction', ...
qiaolevip 评论(0) 有728人浏览 2019-12-25 12:00

Mac重置Mysql>8 root密码

新开一个终端运行 1, » sudo mysqld_safe --skip-grant-tables;   新开一个终端 1, » cd /usr/local/mysql/bin/ 2, » ./mysql -u root -p   mysql> FLUSH PRIVILEGES; mysql> ALTER USER 'root'@'localhost' IDENTIF ...
qiaolevip 评论(0) 有1431人浏览 2019-04-05 14:45

Nodejs实现VScode搜索功能,递归读取文件夹匹配内容

VScode搜索功能图示:     关键点:读取目录文件夹,判断是否文件夹,若是递归继续读取,否则通过正则或普通匹配关键词。                统计唯一文件名数量,统计总搜索记录数量累加,展示结果。   Core code: const fs = require('fs'); const path = require('path'); // const ba ...
qiaolevip 评论(0) 有2329人浏览 2018-11-14 13:35

ESLint: elements with click handlers must have at least one keyboard listener.

ESLint: Visible, non-interactive elements with click handlers must have at least one keyboard listener. (jsx-a11y/click-events-have-key)   由于ESLint检查强制非Button的 onClick 事件需要至少一个键盘事件。 键盘事件: onKeyUp ...
qiaolevip 评论(0) 有17514人浏览 2018-11-13 15:57

Access to XMLHttpRequest has been blocked by CORS policy: Request header field l

问题报错: Access to XMLHttpRequest at 'http://localhost:3030/api/asset-list' from origin 'http://localhost:3000' has been blocked by CORS policy: Request header field lang is not allowed by Access-Contro ...
qiaolevip 评论(0) 有46409人浏览 2018-11-05 16:55

Fetch API Error: Body not allowed for GET or HEAD requests with UUID

报错说明: bog.js:35 [ERROR] [2018.10.24 10:58:47] 127.0.0.1 [uuid] [thread] [class] - API Error: Body not allowed for GET or HEAD requests with UUID: 49ece288-7a32-4cbe-a421-1439f8ff3f6b when calling /x ...
qiaolevip 评论(0) 有2063人浏览 2018-10-24 11:51

Web前端开发必备软件安装一览表

安装清单: Java JDK Nodejs / npm Git Yarn MS Vs code apache-maven mvn   JDK安装配置环境变量: 下载: https://www.oracle.com/technetwork/java/javase/downloads/jdk11-downloads-5066655.html 并解压到非中文的目录     ...
qiaolevip 评论(0) 有1787人浏览 2018-10-15 14:58

npm node-gyp rebuild - Error: `gyp` failed with exit code: 1

报错内容可能不一样: gyp: Call to './util/has_lib.sh freetype' returned exit status 0 while in binding.gyp. while trying to load binding.gyp gyp ERR! configure error gyp ERR! stack Error: `gyp` failed with ...
qiaolevip 评论(0) 有17166人浏览 2018-07-26 09:17

Webpack4.x 解决本地和生产地址不一致,使用绝对地址

依赖关系: "webpack": "^4.12.0", "webpack-cli": "^3.0.3", "vue": "^2.5.16", "vue-loader": "^14.2.2",   Webpack配置output ...
qiaolevip 评论(0) 有2616人浏览 2018-06-22 17:21

jsCssSyntaxError { name: 'CssSyntaxError', reason: 'Unknown word',

Webpack 编译vue项目的stylus样式的时候报错:   首先通过:<style src="./sprite.styl" lang="stylus"></style> 标签方式引入stylus报错如下: jsCssSyntaxError {   name: 'CssSyntaxError',   reason: 'U ...
qiaolevip 评论(0) 有5123人浏览 2018-05-29 19:14

Koa2.5 做图片服务器转发解决跨域最佳实战

背景: 2018-04-11写道 由于前端在加载非本域名的图片或其他文件资源,会报跨域问题,基于这个问题出发点,想到nodejs koa框架做静态资源转发功能。   跨域报错如下: 1597:1 Access to Image at 'https://xxx.com/static/image/9985@bg.jpeg?' from origin 'https://xxx.com' ...
qiaolevip 评论(0) 有2825人浏览 2018-04-11 15:31

JSEncrypt encrypt return false排查并解决

2018-04-11写道 今天测试环境JSEncrypt加密算法无缘返回 false,导致加密算法错误,无法正确调用接口。   加密代码片段:   var ras = new JSEncrypt(); ras.setPublicKey('MIIBxxxxB'); console.log(ras, ras.encrypt(222));    此段代码在生产环境好好的,正确返回加密 ...
qiaolevip 评论(0) 有10542人浏览 2018-04-11 13:41

Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tai

Js Canvas画图加载远程连接报错: Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported.   报错Screenshot 尽管没有CORS授权也可以在 canvas 中使用图像, 但这样做就会污染(tain ...
qiaolevip 评论(0) 有8481人浏览 2018-04-10 10:58

Css translate3d 文字模糊的bug,解决之道

问题原因: css transform translate3d导致字体模糊,目前已知bug,chrome暂未解决 当元素进入GPU中渲染时,在Chrome35+中的字体为grayscale渲染,IE11和FF30保持sub-pixel渲染不变。若transform值函数(如translate3d(), scale(), rotate()等)中的参数为非整数,会导致字体模糊。   例如:t ...
qiaolevip 评论(0) 有4446人浏览 2018-04-03 17:51

Canvas教程:拼图,组合图像,画圆形图像,添加二维码logo,添加文字

1,创建canvas对象   // method 1 document.createElement('canvas') // method 2 <canvas id="canvas" /> document.getElementById('canvas')     2,设置大小并初始化上下文   canvas.width = 341; ...
qiaolevip 评论(0) 有4151人浏览 2018-03-30 16:15

MySQL插入emoji手机表情报错解决方案

报错原因: ps:为什么没有内容呢,由于iteye插入emoji报错,导致保存被截断了,2018-04-11再次编译   插入手机表情报错,类似(手机可观看的emoji表情,这里报错就不插入了)   报错内容:   Error: ER_TRUNCATED_WRONG_VALUE_FOR_FIELD: Incorrect string value: '\xF0\x9F\x90\x ...
qiaolevip 评论(0) 有2866人浏览 2018-01-25 23:43

Js设置前端允许跨域请求后端API:Access-Control-Allow-Credentials

跨域报错信息: Fetch API cannot load https://xxx.com/api. Response to preflight request doesn't pass access control check: The value of the 'Access-Control-Allow-Credentials' header in the response i ...
qiaolevip 评论(1) 有100922人浏览 2017-08-23 10:53

Module build failed: Error: ENOENT: no such file or directory, scandir node-sass

报错内容: Module build failed: Error: ENOENT: no such file or directory, scandir '***/node_modules/.npminstall/node-sass/4.5.3/node-sass/vendor'     解决方案: // 使用 npm命令重新编译node-sass $ npm rebui ...
qiaolevip 评论(0) 有14402人浏览 2017-08-22 11:46

Js正则一行隐藏手机号mask phone number

// 隐藏手机号中间4为: '18812345678'.replace(/(\d{3})(\d{4})/, '$1****') 结果: 188****5678 // 隐藏手机号末尾4为: '18812345678'.replace(/(\d{4})$/, '****') 结果: 1881234****   永久链接: http://qiaolevip.iteye.com/blog ...
qiaolevip 评论(0) 有3042人浏览 2017-08-17 15:08

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