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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11467

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 17749

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Band of Brothers front-end example display video tutorial

Course Advanced 11450

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

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Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't work. Below is the code snippet of the server database initialization connector in the application fromfastapiimportFastAPIimportmysql.connectorapp

2023-09-05 11:18:47

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactName. I think this might be a nested query. Nested queries run fine in SQLServer, but don't know how to implement it in MySQL. Limit query: Select*fromcustomerslimit

2023-09-05 14:46:42

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: .right-menu{...grid-auto-flow:columndense;...} If I remove the grid-auto-flow attribute, the overflow stops. However, the items are now stacked into multiple rows, which is not what I want. I also tried converting .ri

2023-09-05 15:18:28

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

2023-09-05 15:06:32

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in php any value has a unique string representation (such as the php code itself). I post this question to speed up the design process of this program. Some values are easily converted to strings: numbers, booleans, etc. Some are not easy: objects, arrays, resources. I think the transfer object and

2023-09-05 15:34:44

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WAIC 2024 NetEase debuts with multiple AI applications

Course Introduction：At the latest World Artificial Intelligence Conference (WAIC2024), NetEase showcased a number of its innovative artificial intelligence products. While demonstrating these cutting-edge technologies, NetEase also announced an important initiative - the launch of its first robot brand "Lingdong". According to the official introduction, this new robot brand was carefully built by NetEase Fuxi team based on its own powerful industrial model and advanced AOP (process-oriented programming) technology concept. 1. The brand’s core products, excavation robots and loading robots, have played a role in many provinces in my country and participated in key construction projects in the mining, port logistics, construction, and education industries. NetEase Youdao debuts Youdao Dictionary Pen X7, the first built-in education system in China

2024-07-12 comment 0 702

A self-study tool for senior students: Samsung Galaxy Tab S8 series tablet computers

Course Introduction：According to news on July 7, every summer school holiday, various educational products will usher in a new round of sales boom. Among them, tablet computers represented by the Samsung Galaxy Tab S8 series have attracted much attention and have become the summer self-learning tools chosen by many families for their children. This tablet not only provides an immersive learning experience, but also incorporates rich early childhood education functions for children of a younger age, making education fun and entertaining. According to the editor's understanding, for students who have just finished their final exams, summer is the best time to check for gaps and expand their knowledge. The multi-tasking window function of the Samsung Galaxy Tab S8 series can help students study efficiently. By running multiple applications simultaneously in split-screen mode, students can watch online classes and learn new knowledge while

2023-07-12 comment 0 1009

Youxuepai releases a large AI model for smart education, implementing essay correction, AI voice assistant and other scenarios

Course Introduction：Duozhi.com reported on October 16 that the combination with large models gives learning machines more possibilities. Not only technology companies such as iFlytek and Xiaodu, but also veteran players in the field of learning machines represented by Youxuepai and Shushulang have also officially announced their own large models and implemented them in the field of learning machines. Youxuepai recently released a large smart education AI model. According to reports, the Youxuepai smart education AI large model is applied to the Youxuepai AI student tablet. The specific application scenarios are divided into two aspects: First, the original composition correction function of the Youxuepai AI student tablet is optimized and improved. The composition checking function of Youxuepai AI student tablet will outline comments and help children improve their writing ideas through guided guidance. In the basic correction part of the first stage, the Youxuepai AI student tablet will review the composition.

2023-10-16 comment 0 700

How to install win7 operating system on computer

Course Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0 1278

php-insertion sort

Course Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0 1136

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