终端进入pycharm的virtualenv虚拟环境1. 启用/激活虚拟环境假设虚拟环境的目录是：venvmacOS 下激活虚拟环境  source venv/bin/activate成功激活独立环境，命令行前会多出字符：(venv)Windows 下激活虚拟环境  - 在虚拟环境目录的Scripts文件夹下执行activate  - 命令行前会多出字符：(venv)。也可能没有，可以使用 pip

echarts报错setOption should not be called during main process问题描述父组件传值给wordcloud组件渲染echarts，报错：setOption should not be called during main process.从网上看了好多，有人说是重复渲染，要在setOption前clear一下，但是我用了这个方法无效wordChar

Quasar框架使用环境变量声明接口地址，无需手动判断声明方法：quasar.config.js 文件修改env_APIbuild: {vueRouterMode: 'hash', // available values: 'hash', 'history'env: {env_API: ctx.dev? 'https://dev.host.com/api': 'https://prod.host.

vue3 router传参A页面点击按钮后携带参数跳转到B页面原理导入router import { useRouter } from "vue-router";A页面传参router.push({})B页面接收route.params.num;demoroute.js{ path: '/A', name:'A',component: () => import('pages/A.vueB')

echarts报错setOption should not be called during main process问题描述父组件传值给wordcloud组件渲染echarts，报错：setOption should not be called during main process.从网上看了好多，有人说是重复渲染，要在setOption前clear一下，但是我用了这个方法无效wordChar