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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11325

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 17632

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 11338

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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Artificial intelligence is embedded in digital education to get out of the 'model room' dilemma

Course Introduction：(Photo source: Photo Network) (Reporter Chen Yi) Recently, the 7th World Intelligence Conference, co-sponsored by the National Development and Reform Commission, the Ministry of Science and Technology and the Tianjin Municipal Government, opened in Tianjin. Huai Jinpeng, Minister of Education, said at the opening ceremony that the Ministry of Education is actively promoting the in-depth integration of artificial intelligence technology (AI) and education, comprehensively improving the quality of teachers and students, and promoting educational reform, innovation and high-quality development. Education is an important cornerstone of national rejuvenation and social progress. Today, artificial intelligence is accelerating the transition from digitization and networking to intelligence in various economic and social fields. my country has also been actively exploring ways to realize the deep integration of artificial intelligence and education in recent years, hoping to use AI to help digital education get out of the "model room" dilemma. . AI+ education market "dancing in the wind" AI+ education is artificial intelligence

2023-05-29 comment 0 1600

PHP asynchronous coroutine development: building a highly available online education platform

Course Introduction：PHP asynchronous coroutine development: building a highly available online education platform Overview: With the rapid development of the Internet and the impact of the global epidemic, online education platforms have become an important part of the education industry. In order to provide efficient and stable services and cope with a large number of concurrent requests, asynchronous coroutine development has become an indispensable choice. This article explains in detail how to use PHP asynchronous coroutine development to build a highly available online education platform, and provides specific code examples. 1. Introduction to asynchronous coroutines: Asynchronous coroutines are a very efficient programming model.

2023-12-02 comment 0 1297

An AI assistant that everyone can have, iFlytek showcases ubiquitous smart technology

Course Introduction：The second Global Digital Trade Expo was held at the Hangzhou International Expo Center. This exhibition brought together 50 large artificial intelligence models from around the world for the first time. Among them, iFlytek displayed AI+ education, AI+ office, AI+ city, AI+ medical and other products and services, showing the audience the innovative applications and results of artificial intelligence in various fields, and was warmly welcomed by many people. On the booth, the large model of iFlytek Spark was the focus of many people’s experience. Based on the iFlytek Spark model, real and visible application implementation examples have been promoted in industries such as education, office, automobile, finance, industry, and medical care. The booth mainly displays solutions for the implementation of digital education applications, which are divided into four areas: teaching students in accordance with their aptitude, AI listening and speaking classroom, sports station, and innovative education.

2023-11-24 comment 0 1045

Where is Changde Technician School? How much does it cost to assemble a computer?

Course Introduction：Where is Changde Technician School? Bus line: No. 9, the total journey is about 4.0 kilometers 1. Walk about 680 meters from Changde Station to Changde Bus Terminal 2. Take No. 9 and go through 7 stops to the Municipal Education Bureau Station 3. Walk about 280 meters to reach Changde Technician College Bus line: No. 42, the total journey is about 3.9 kilometers 1. Walk about 640 meters from Changde Station to Sanxing Road Station 2. Take No. 42 and go through 7 stops to the Municipal People's Congress Station 3. Walk about 280 meters to get to Changde Technician College Assembly Computer cost? Graphics card rtx2060 2500 yuan (supports ray tracing) cpuR53600 1400 yuan Motherboard: B450600 yuan m.2 solid state drive 500G 600 yuan + 4T mechanical hard drive 600 yuan Main chassis with fan + power supply 60

2024-04-27 comment 0 644

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