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Front-end Vue3 actual combat [handwritten vue project]

Course2857

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.

APIPOST tutorial [Popularization of technical concepts related to network communication]

Course1795

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

Issue 22_Comprehensive actual combat

Course5521

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. .....

Issue 22_PHP Programming

Course5172

Course Introduction：(Consult WeChat: phpcn01) Starting from scratch, you can solve conventional business logic, operate MySQL with PHP to add, delete, modify, and query, display dynamic website data, master the MVC framework, master the basics of the ThinkPHP6 framework, and learn and flexibly master all knowledge involved in PHP development. point.

Issue 22_Front-end development

Course8713

Course Introduction：(Consult WeChat: phpcn01) The learning objectives of the front-end development part of the 22nd issue of PHP Chinese website: 1. HTML5/CSS3; 2. JavaScript/ES6; 3. Node basics; 4. Vue3 basics and advanced; 5. Mobile mall/ Website background homepage layout; 6. Automatic calculation of tabs/carousels/shopping carts...

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Composite full-text index in MySQL
I want the system to allow searching user messages by specific users. Suppose I have the following table createtablemessages(user_idint,messagenvarchar(500)); If I want to search all messages from user 1 that contain the word "foo", what index should I use here. Simple, non-unique index on user_id which will filter only specific user messages and then fully scan for specific words. Full-text index of messages. This will find all messages for all users and then filter them by ID. This seems to be the case when there are a large number of users.
2023-11-07 18:44:49

Change the location of the default file picker dialog
I am creating an e-commerce store and we need to display a "Select File" dialog in order to select the required file and upload the same. Scenario in Windows: When the "Choose File" dialog opens, it is in the upper left corner. I need to move it above and in the center of the popup where the "Choose File" button is placed. I've read many articles suggesting using Windows API for this, but the web application can be accessed on any OS, so making it specific to that OS is not a suitable solution. Please suggest any way we can do this
2023-09-10 16:24:25

Vue/SpringBoot: Why does my JSESSIONID keep changing
I have a vue application with SpringBoot3.0.1 backend and I want to use CSRF. The Vue frontend and SpringBoot backend are served by different systems. I'm planning to use an nginx reverse proxy to mitigate CORS topics, but this problem occurs whether nginx is involved or not. The first thing my vue application does is request the csrf token, storing it globally so it can be used during the user session. When a user logs in, several pinia stores are initialized. But unfortunately, during these requests
2023-08-29 19:12:16

What is the difference between VPS and cloud server?
The Essence of VPS VPS is a form of shared server hosting in which each customer has their own dedicated virtual machine for storing data and hosting websites and applications. They have their own dedicated CPU, RAM and storage, their own dedicated operating system and software, and the freedom to use virtual machines like any other remote server. Does it sound similar to a cloud server? However, with a VPS, your virtual environment will always be located on this specific physical server that is shared with other VPS customers. Therefore, there must be a significant limit on the amount of resources that can be consumed between tenants
2021-11-05 10:46:30

The website user backend wants to add a column, please give me a solution! ! ! !
The description of the problem may not be professional enough, please forgive me! ! ! I downloaded a set of website source code of the Dream Weaver System from the Internet. I wanted to add a column "Article Publishing" in the user backend column. After searching for a long time, I finally found a file named menu.php in a certain folder. After opening it, I found that There is a line of code about publishing documentation. As shown in the picture below: After removing the comment in front of the code, an item is added to the backend bar of the website user: As shown in the picture: When clicking "Publish Article", a pop-up window prompts "under development", which is for sure. This is how his code is written. . Then find some in a templets directory
2020-03-15 11:16:46

MoreQ&A

全球五大定位系统分别是哪五个?

Course Introduction：全球五大定位系统分别为：全球定位系统 (GPS)格洛纳斯 (GLONASS)伽利略 (Galileo)北斗卫星导航系统 (BDS)印度区域导航卫星系统 (IRNSS)

2024-08-03 comment 0541

What are the five major positioning systems in the world?

Course Introduction：The world's five major positioning systems: 1. Beidou Satellite Navigation System, a global satellite navigation system developed by China; 2. GLONASS, a Russian global satellite navigation system; 3. GPS, a global satellite navigation system developed by the United States. A high-precision radio navigation positioning system based on artificial earth satellites; 4. Galileo satellite navigation system, a global satellite navigation and positioning system developed and established by the European Union; 5. Quasi-zenith satellite system, developed by Japan with three Artificial satellite is a satellite amplification system that completes the regional functions of the Global Positioning System through time transfer.

2022-09-26 comment 051263

世界五大定位系统排名介绍

Course Introduction：全球五大定位系统排名依次是：1. 美国全球定位系统（GPS）；2. 俄罗斯全球导航卫星系统（GLONASS）；3. 欧洲伽利略卫星导航系统（Galileo）；4. 中国北斗卫星导航系统（Beidou）；5. 日本准天顶卫星系统（QZSS）。

2024-08-03 comment 0534

What is the navigation and positioning system independently developed by my country?

Course Introduction：The navigation and positioning system independently developed by our country is the "Beidou Satellite Navigation System". Beidou is a satellite navigation system independently constructed and operated by China focusing on the needs of national security and economic and social development. It is an important national space infrastructure that provides all-weather, all-weather, high-precision positioning, navigation and timing services to users around the world. The Beidou system can provide high-precision and high-reliability positioning, navigation, and timing services to various users around the world, all day and every day. It also has short message communication capabilities and has initially developed regional navigation, positioning, and timing capabilities.

2022-08-25 comment 047396

The Beidou-1 satellite positioning system consists of several satellites

Course Introduction：The Beidou-1 satellite positioning system consists of 2 satellites; the "Beidou-1" satellite positioning system is independently developed by China and uses geosynchronous satellites to provide users with an all-weather, regional satellite positioning system; it can quickly determine the target or the user's location Geographical location, providing navigation information to users and authorities.

2022-10-31 comment 030088

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