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The following content is reproduced from the article "WebGL shader 32-bit floating-point precision loss" of wood tree Author: tree of wood Link: https://www.cnblogs.com/dojo-lzz/p/11250327.html Source: blog Park The copyright belongs to the author. For commercial reprint, please contact the author for authorization. For non-commercia ...

1, Role addition, deletion, modification and query ① Create a new schema about role table, model > role.js Next new role.js , type the following code: module.exports = app => { const mongoose = app.mongoose; const Schema = mongoose.Schema; var d = new Date(); const RoleSchema = new Schema({ title: { type: String }, ...

1, Role addition, deletion, modification and query ① Create a new schema about role table, model > role.js Next new role.js , type the following code: module.exports = app => { const mongoose = app.mongoose; const Schema = mongoose.Schema; var d = new Date(); const RoleSchema = new Schema({ title: { type: String }, ...

1. Install first node.js Go to the official website to download and install: https://nodejs.org/en/ 2. Download pkg file and install it on mac 3. After the installation, verify whether it is successful at the terminal $ npm -v 6.14.4 $ node -v v12.16.3 4. Install angular console npm install -g @angular/cli This installs the comma ...

js+css simulates receiving the data pushed by websocket to achieve the animation effect of bubbling to the top The effect is as follows: 1. The first method Ideas: 1) . define a fake floating box outside. When the data changes, delete the original data node, 2) . put the changed data in this box and move the box to the top 3) . after the box ...

FlutterChat It's based on flitter + dart + Photo_ view+image_ Practical cases of wechat like interface App developed by picker and other technologies. It realizes the functions of message + expression, picture viewing, pop-up window encapsulation, red packet / video / friend circle, etc. Framework technology Coding / Technology: vscade + fl ...

Manual upload of upload component If the auto upload event of the upload component is not blocked, the upload component will start to upload the file as soon as it uploads the file Set before upload and return false to prevent the default upload action set the back-end interface for upload <Upload ref="upload" :multiple="false" :befor ...

1, Mongoose in egg 1. Installing mongoose in an egg project cnpm i mongoose --save 2. Configure the eg mongoose plug-in in config > plugin.js exports.mongoose = { enable: true, package: "egg-mongoose" }; 3. Configure the database connection address in config > config.default.js config.mongoose = { client: { // url ...

My hobby is to make plans, overturn plans, make plans again, and let others supervise my study, supervise my weight loss, and supervise me to change my bad habits. So I'm going to make a little program for myself. The layout of the applet interface is almost finished. Now let's register and log in your application. 1, Applet side: 1,.wxml <v ...

React builds JavaScript libraries for user interfaces, primarily for building UI interfaces.Instagram, Open Source, 2013. Characteristic: Declarative design Efficient, uses virtual DOM to render DOM, minimizing DOM operations. Flexible to use with other libraries. JSX, commonly known as JS, writes HTML inside, an extension of JavaScri ...