for example, if you need to display the trajectory of an object on a map, where is the appropriate place to store the trajectory positioning information? what kind of database to choose and how to design the data structure? ...
question 1: how does Amap display a map of a community, not others. question 2: let the map adapt to the screen size, not the zoom, of the map, but how to control the size of the whole map. ...
vue keep-alive component dynamic routing and multirouting corresponds to a file local run dev walking by lifecycle deployment development or test server not walking by lifecycle { path: orders , component: Home, meta: { t...
this is put separately in a js file, and then the error message cannot be found in the component. How can the data in it be sent to the data corresponding to option after it is obtained from the backend server? all the data is dynamic export const opti...
<a href="word temp.doc"><a> the word document is placed under the project folder, and it is normal to open it locally. Garbled code appears after downloading using href, as shown in the following figure. Even if you try to change t...
background is the Java code, how to use websocket.io to accept data, what the writing looks like in the component, online, etc. ...
beginner vue, builds a project out of scaffolding and adds a "API_ROOT " to "dev.env.js ". The code is as follows use strict const merge = require( webpack-merge ) const prodEnv = require( . prod.env ) module.exports = merge(prodEnv, { N...