React technical principles and code development practice: navigation and routing in React Native

Author: Zen and the Art of Computer Programming 1. Background Introduction In React Native applications, navigation is the main way to switch between different views of the user interface. The core idea is to use the stack data structure to combine different components to achieve smooth transition between pages. In React Native, the Navigator component […]

Express framework development interface front-end classification navigation

1.Initialization const handleDB = require(‘../handleDB/index’) // Get all navigation exports.allNav =async (req, res) => { } //Update or add navigation exports.upNav =async (req, res) => { } //Delete based on id exports.delNav = async(req, res) => { } 2. Database design aynsc turns the function into an asynchronous function and uses it with await, using […]

VS Code code navigation and code editing for Java development

Quick Navigation VS Code provides some features for quick navigation when developing in Java. Code Navigation Outline view: Easily navigate members in the current file Projects view: Detailed overview of projects Java Editor: Supports call hierarchy, type hierarchy, definition navigation, search types in workspace, etc. Search functionality (# and @) Search allows you to quickly […]

Write navigation2 controller plug-in

Introduction This tutorial shows how to create your own controller plugin. In this tutorial, we will implement a pure path tracking algorithm based on this paper. It is recommended that you read the paper. Note: This tutorial is based on a simplified version of the Regulated Pure Pursuit controller that previously existed in the Nav2 […]

ROS independent mapping navigation car project practice

Basic tutorial link: Introduction · Autolabor-ROS Robot Introductory Course “ROS Theory and Practice” Zero Basic Tutorialhttp://www.autolabor.com.cn/book/ ROSTutorials/ 1: Robot platform design The main components of the robot include: Actuator: The main body is assembled from acrylic plates. Two DC motors drive the driving wheels and two universal wheels that maintain balance to achieve robot walking. […]

navigation2 Write planner plug-in

Article directory navigation2 Write planner plug-in 1- Create a new planner plugin 2- Export planner plugin 1. To export the planner we need to provide two lines of code: 2. The next step is to create the plugin’s description file in the root directory of the package. For example, create the `global_planner_plugin.xml` file in our […]

element-ui left navigation bar component

The layout of the left navigation bar of element-ui is implemented, the effect is as follows Components involved: App.vue Router.js layout.vue: nav.vue (left navigation area, containing loop widget asideBarItem.vue), AppMain.vue (right main content area) The project structure is as follows: ? 1. App.vue, controls the rendering of the page through router routing, very simple, a […]

uniapp custom navigation bar

Customized navigation bar Modify pages.json Set navigateionStyle to custom in pages.json New systemInfo.js systemInfo.js is used to obtain the model system information of the current device and place it in the common directory. /** * This js file manages model system information about the current device */ const systemInfo = function() {<!– –> /****************** System […]