Course3005

Course Introduction：The data visualization project uses the most popular chart engine ECharts to display all aspects of data that need to be presented in the e-commerce platform. Used to analyze the operation of e-commerce platforms in more detail in order to make correct decisions. The front-end of this project uses the Vue technology stack, the back-end uses the Koa2 framework, and the front-end and back-end data interaction uses WebSocket to ensure the real-time nature of the data. The project also supports theme switching to display cool chart effects. It also supports switching between large and small screens, ensuring that charts are presented on different screens.

Course7487

Course Introduction：With the popularization of big data and the popularity of artificial intelligence, data visualization is widely used in existing enterprises and the demand is relatively strong, so we have this set of data visualization courses. This course is very suitable for students who have learned the basics of Vue as a cool practice project. After studying this course, whether it is applied in the current job or during the job interview, it will be a big plus point.

Course2857

Course Introduction：Course introduction: 1. Cross-domain processing, token management, route interception; 2. Real interface debugging, API layer encapsulation; 3. Secondary encapsulation of Echarts and paging components; 4. Vue packaging optimization and answers to common problems.

Course1795

Course Introduction：Apipost is an API R&D collaboration platform that integrates API design, API debugging, API documentation, and automated testing. It supports grpc, http, websocket, socketio, and socketjs type interface debugging, and supports privatized deployment. Before formally learning ApiPost, you must understand some related concepts, development models, and professional terminology. Apipost official website: https://www.apipost.cn

Course5521

Course Introduction：(Consult WeChat: phpcn01) The comprehensive practical course aims to consolidate the learning results of the first two stages, achieve flexible application of front-end and PHP core knowledge points, complete your own projects through practical training, and provide guidance on online implementation. Comprehensive practical key practical courses include: social e-commerce system backend development, product management, payment/order management, customer management, distribution/coupon system design, the entire WeChat/Alipay payment process, Alibaba Cloud/Pagoda operation and maintenance, and project online operation. .....

Course Introduction：In PHP, sometimes we need to average an array to get the average value of a specific data. This article will introduce how to find the average of an array using PHP. Functions for calculating the average of arrays in PHP PHP provides us with multiple functions that can be used to calculate the average of arrays, which are introduced below. 1. The array_sumarray_sum function is used to return the sum of all values in the array. We can get the average of an array by dividing its sum. Here is a simple example:```

2023-05-19 comment 0329

Course Introduction：How to find the average in python: first create a new python file and enter the average to be calculated; then initialize the value of sum; finally use the "sum/quantity" formula to calculate the average.

2021-03-09 comment 041634

Course Introduction：PHP is a widely used open source server-side scripting language that is widely used for web development. In web development, arrays are a very common data structure. For the elements in the array, we may need to perform some statistics on them, such as averaging. PHP provides many array manipulation functions, including functions for finding the average of an array. This article will introduce how to use PHP to write a function that finds the average of an array. ## What is array mean? The average is the sum of all the numbers divided by the number of numbers, while the array average is the sum of the array elements divided by the length of the array. I

2023-04-17 comment 0336

Course Introduction：求平均数的聚合函数是 AVG()，语法为 AVG(expression)，其中 expression 为要计算其平均值的表达式。AVG() 忽略 NULL 值，返回与输入表达式相同的数据类型，可用于组数据计算每个组的平均值，常与 SUM()、COUNT() 等其他聚合函数结合使用。

2024-08-03 comment 0477

Course Introduction：Average calculation formula: average = sum / number C language implementation: define an array to store numbers, define variables to store sums and numbers, traverse the array, calculate the sum, calculate the average, and output the average.

2024-04-13 comment 0508