原创 React之Could not create a project called "ReactDemo1" because of npm naming restrictions: * name c
Could not create a project called "ReactDemo1" because of npm naming restrictions: * name can no longer contain capi
2019-07-30 14:05:26
原创 reactnative之vscode調試：Error: 執行命令 react-native run-ios --simulator --no-packager 時出錯
[Error] Error: 執行命令 react-native run-ios --simulator --no-packager 時出錯: 執行命令 react-native run-ios --simulator --no-pack
2019-07-30 14:05:26
146
原创 react之安裝webpack：error An unexpected error occurred: "EACCES: permission denied
error An unexpected error occurred: "EACCES: permission denied, mkdir '/Users/liuzhao/Documents/劉召/RNDemo/2019-7-24/nod
2019-07-30 14:05:26
3
原创 react之運行webpack報錯：configuration.module has an unknown property 'loaders'
Invalid configuration object. Webpack has been initialised using a configuration object that does not match the API sc
2019-07-30 14:05:26
原创 react之運行webpack報錯ERROR in ./src/index.js 9:0
ERROR in ./src/index.js 9:0 Module parse failed: Unexpected token (9:0) You may need an appropriate loader to handle t
2019-07-30 14:05:26
原创 react之運行webpack報錯：Error: Plugin/Preset files are not allowed to export objects, only functions
Error: Plugin/Preset files are not allowed to export objects, only functions 這裏錯誤是因爲 babel 的版本衝突。 因爲 babel 依賴包不兼
2019-07-30 14:05:26
10
原创 react之安裝webpack報錯
node-pre-gyp WARN Using needle for node-pre-gyp https download node-pre-gyp WARN Pre-built binaries not installable f
2019-07-30 14:05:26
5
原创 React項目創建以及webpack配置與熱更新
1、cd到文件夾：我以當前日期爲文件夾名 2、初始化，終端輸入： npm init 回車鍵： 輸入package name，括號內是提示，你可以按照提示輸入，我這就按提示輸入了，回車 version：可以不輸入，就直接回車了 desc
2019-07-30 14:05:25
原创 reactnative之npm ERR! code ELIFECYCLE
Error: listen EADDRINUSE: address already in use :::8081 at Server.setupListenHandle [as _listen2] (net.js:1226:14)
2019-07-30 14:05:25
3
原创 react之運行webpack報錯：ERROR in Entry module not found: SyntaxError:
ERROR in Entry module not found: SyntaxError: 這是因爲 我在webpack.config.js和package.json文件中添加了注視，導致報錯，json中是不能添加註視的 注視
2019-07-30 14:05:25
原创 React之npm ERR! [email protected] start: `react-scripts start`
npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! [email protected] start: `react-scripts start` npm ERR! Exit status 1
2019-07-30 14:05:25
原创 ES6 能否使用Object.assign實現深淺拷貝
Object.assign方法是淺拷貝還是深拷貝? 1,普通變量 Js代碼 let obj={name:"zhangsan",colors:["red", "green", "blue"]}; let obj2=Object.a
2019-07-30 14:05:25
原创 reac之Error: Cannot find module 'webpack-cli'
Error: Cannot find module 'webpack-cli'解決辦法： 全局安裝，終端輸入： npm install webpack-cli -g 如果有權限限制加上sudo： sudo npm insta
2019-07-30 14:05:25
2
原创 react之運行webpack報錯：Error: Cannot find module '@babel/core'
那就安裝一個，終端輸入： sudo npm install @babel/core --save
2019-07-30 14:05:25
原创 ASP.NET IHttpHandler下的IsReusable屬性
我們平時在開發的時候，經常做一些自定義的HttpHandler，每次再繼承IHttpHandler接口的時候，都要設置IsReusable的值，通常我們都是設置返回true，可是我們要小心這個返回值，因爲設置爲true的時候有很多前提條件
2019-06-10 14:35:34