Programmer Group

1. You canApp.component.tsIn the file @Component({ selector: 'app-root', templateUrl: './app.component.html', styleUrls: ['./app.component.css'] }) If you delete the templateUrl and styleUrls below, you can delete the corresponding files. If you do not delete these two sentences, you will get an error when deleting the files. Become: @Co ...

Since the Extensions component library was released, Data Grid has become the most used and consulted component. At the beginning, the design of Data Grid was very simple. After some refactoring, the quality of components has been improved. Extensions component library: https://github.com/ng-matero/extensions Data Grid example: https://ng- ...

Here is a summary of the second job from zero-handwriting VIO: Homework title: 1 Emulation Code Parsing Emulation code address:https://github.com/HeYijia/vio_data_simulation In addition to the generic version of the simulation code, the github repository also provides the ROS version of the simulation ...

order Words written in the front: This article is long, read patiently UAV021 (I) This paper implements STM32F429 porting FreeRTOS system, on the basis of which IIC communication is realized and 10DOF data is read. In flight control, it refers to three-axis acceleration, three-axis angular velocity, t ...

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 ...

Because the project is front-end and back-end separate development, the ionic framework is used on the mobile side and the SpringBoot framework is used on the back-end API interface.Backend implementations of registration and login can refer to my article: Backend development: SpringBoot implements registration and login functions .The ionic fr ...

Angular The performance of Google's open source JavaScript library is much higher than that of the previous version. It uses Typescript and new mode for development, so from the second version, the number of people has suddenly dropped dramatically. Technology: basic use of typescript, es6 Typescript is a superset of JavaScript. Both JavaScr ...

ES7 has two more features than ES6 1.Array.prototype.includes 2. Exponent operator ES8 new proposal: 1.Object.values / Object.entries 2. String padding 3.Object.getOwnPropertyDescriptors 4. Trailing commas in function parameter list and call 5. Asynchronous functions Detailed explanation: 1.A ...

  This chapter talks about the routing of angular Let's talk about how to introduce angular routing. In the beginning, the new angular project has its routing configured for you, but it depends on app.module.ts 1. First, the routing module should be introduced at the top import {RouterModule, Routes} from '@angular/ro ...

This article casually wrote about my own understanding of websocket communication protocol, Demo played on two frameworks, and then stepped on several pits and unfilled pits (welcome to comment and guide).   What is WebSocket? Why use WebSocket? WebSocket is a kind of network communication protocol. When it comes to network communication protoc ...