1. Background Introduction An indispensable function before a shopping website or e-commerce platform goes online is the “shopping cart”. This article will lead readers to fully understand the application of React technology in shopping carts through a shopping cart application case developed based on the React framework. We can start with the following points to […]
Tag: cart
Java small shopping system (shopping cart)
front page import java.util.Arrays; import java.util.Scanner; /* Home page of product construction and purchase logic module Developer:XXXX Version:v1.1 */ public class MyPage { public static void main(String[] args) { //In the entire program, mypay1 is instantiated, mypay1, mypay2, mypay3, mypay4, and mypay5 all need to be instantiated, assigned, and finally called. //mypay1, mypay2, mypay3, mypay4, […]
Practical data analysis | Association rules analysis – shopping cart analysis
Table of Contents 1. Data and analysis objects 2. Purpose and analysis tasks 3. Methods and Tools 4. Data reading 5. Data understanding 6. Data preprocessing 7. Generate frequent itemsets 8. Calculate correlation 9. Visualization 1. Data and analysis objects Dataset link: Online Retail.xlsx This data set records 541,909 online communication records from December 01, […]
python implementation of GeographicLib::LocalCartesian
“””Initialize an ellipsoid””” from math import * import numpy as np importsys class Geoid: def __init__(self, a, f): “”” Parameters ———- a : float, radius in meters f: float, flattening “”” self.a = a self.f = f self.e2 = f * (2 – f) self.e2m = (1 – f)**2 self.e2a = abs(self.e2) self.e4a = self.e2**2 […]
04-Echarts simplified series: Cartesian coordinate system xAxis and yAxis
For the X-axis and Y-axis in the graph, there are at most two x-axes in a grid. More than two axes need to be configured through the offset property. 1. xAxis and yAxis attribute configuration of coordinate system option={ xAxis:[ { id:’1′, //Component ID show:true, //Whether to display the x/y axis gridIndex:0, //The index of […]
CART decision tree algorithm JAVA
1. An enumeration class used to indicate whether the feature is numerical or character /** * An enumeration class used to indicate whether the characteristic is numerical or character * @date 2023/10/20 15:26 * @author luohao */ public enum DataType { // string String, // number Number; } 2. Prediction result object /** * Prediction […]
[SLAM] Configuration and operation of Cartographer
Official documentation: Cartographer – Cartographer documentation 1. Dependency installation (Ubuntu20.04) Link: https://pan.baidu.com/s/1vBfm2Xxf9Z7iQwZvJmYJGw Extraction code: mm8q ./auto-carto-build.sh One-click installation using script~ 2. Pull source code The source code used here is based on the source code annotated by teacher Li Xiang~ Source code path:https://github.com/xiangli0608/cartographer_detailed_comments_ws mkdir carto_ws cd carto_ws git clone https://github.com/xiangli0608/cartographer_detailed_comments_ws.git Compile: cd cartographer_detailed_comments_ws ./catkin_make.sh 4 […]
Django product and shopping cart logic implementation
Develop product classification menu interface based on class view pattern Create a menu sub-application python manage.py startapp menu Test apps/menu/views from django.http import HttpResponse from django.views import View class GoodsMainMenu(View): def get(self,request): print(“get request”) return HttpResponse(“get request”) def post(self,request): print(“post request”) return HttpResponse(“post request”) muxi_shop_back/urls path(“main_menu/”, GoodsMainMenu.as_view()), At this time, the test request setting Annotated […]
Task 4: Iterative Improvement of Shopping Cart 2
1.URL class diagram 2. Functional structure diagram 3. Key code 1.ShoppingDao interface public interface ShoppingDao { public void show(); public int addProduct(Product p); public void clearArrays(); public Product find(int id); public int deleteProduct(int id); public void changeCount(int id,int count); } 2.CartByFile class Implemented the ShoppingDao interface and applied file operations to achieve persistent storage of […]
unity NPR cartoon rendering
Article directory 1. Introduction 2. Material preparation 3. Steps 4. shader code 5. Project links 1. Introduction NPR is a type of computer graphics, that is, non-photorealistic rendering. It is mainly used to simulate artistic rendering styles and is also used to develop new rendering styles. The form is generally cartoon rendering. NPR is a […]