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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11329

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 11344

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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The fourth commercial regular route of the domestic large aircraft C919 was opened today, with the first flight 'Shanghai-Guangzhou'

Course Introduction：This website reported on June 14 that according to the official news of China Eastern Airlines, the world's first C919 passenger aircraft of China Eastern Airlines with flight number B-919A flew flight MU5309 today, marking the official start of the operation of C919's fourth commercial scheduled route. At 9:37 on June 14, flight MU5309 carried 162 passengers from Shanghai Hongqiao Airport to Guangzhou Baiyun Airport. It arrived at Guangzhou Baiyun Airport at 11:30 that day and was greeted by the "Watergate Ceremony", the highest civil aviation etiquette. China Eastern Airlines said that the "Shanghai-Guangzhou" route is an important "high-quality express route" of China Eastern Airlines. China Eastern Airlines' flights on this route have reached 36 flights per day (round trip). China Eastern Airlines is currently the only airline operating the domestic large aircraft C919. The C919 fleet has reached 6 aircraft. The aircraft has

2024-06-15 comment 0 1038

China Eastern Airlines' fifth domestically produced large aircraft C919 commercial scheduled route opens: first flight 'Xi'an-Beijing”

Course Introduction：According to news from this website on August 5, China Eastern Airlines today began to operate a new C919 route - Xi'an Xianyang to and from Beijing Daxing. ▲Image source CCTV News According to China Civil Aviation Network, China Eastern Airlines C919 flight number is MU2113 from Xi'an Xianyang to Beijing Daxing. It takes off from Xi'an Xianyang International Airport at 16:00 every day and is expected to arrive at Beijing Daxing International Airport at 17:40; Beijing Daxing- The flight number of Xi'an Xianyang is MU2120. It takes off from Beijing Daxing International Airport at 20:00 every day and is expected to arrive at Xi'an Xianyang International Airport at 22:20. ▲Passengers taking flights operated by C919 board from Xi'an Xianyang Airport. This is China Eastern Airlines' C919 continuing to operate flights from Shanghai Hongqiao to Chengdu Tianfu, Shanghai Hongqiao to Beijing Daxing, Shanghai Hongqiao to Xi'an Xianyang, Shanghai Hongqiao to

2024-08-07 comment 0 429

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 1203

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 1059

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