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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11323

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 17630

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 11334

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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What is the use of learning html?

Course Introduction：The functions of learning HTML: 1. Modify the web page structure of websites and blogs; 2. Help with SEO website optimization; 3. Copy the desired template; 4. Cut pictures into web pages; 5. Detect whether the website has been hit. Web Trojans and prevention of Web Trojans, etc.

2019-05-17 comment 0 7126

Tianma supplies ideal L6 car central control screen, co-pilot entertainment screen and HUD head-up display

Course Introduction：According to news from this website on April 19, Tianma Microelectronics officially announced that the 15.7-inch central control and 15.7-inch passenger entertainment dual screens and the high-definition full-color HUD head-up display system configured in the Ideal L6 car use the in-vehicle display solution provided by Tianma plan. According to Tianma official introduction, the dual screen has a pixel density of 210PPI, supports Dolby Vision, and has improved brightness, contrast and color presentation. In terms of image quality, the dual screen has 3K resolution, ultra-wide viewing angle, high brightness, high contrast and other display characteristics. In addition, the ideal L6 dual screens have passed TÜV Rheinland hardware-level low blue light certification and have eye protection effects. The ideal L6 is equipped with a high-definition anti-dizziness HUD that can display navigation maps, vehicle speed, and intelligent driving environment information. The HUD also provides several

2024-04-20 comment 0 1233

Hua Yishan Heart of the Moon Answers and Answers

Course Introduction：There is a question-answering task in Huayishan Heart of the Moon. As long as players answer the questions correctly, they can get corresponding rewards. There must be many players who want to know the answers to these questions. So next, the editor will bring you a summary of the answers to Tianjing's 100 questions. Comprehensive answers to questions and answers in Hua Yishan Heart of the Moon 1. Is Agudamu the teacher who taught riding and archery in Wu Lan’s academy? Answer: Yes (see details >>) 2. “There is a fish in the North Ming Dynasty, and its name is Kun. Kun is so big that I don’t know how big it is. It's thousands of miles away." The Kun mentioned is a kind of fish that can turn into a horse? Answer: No (see details >>) 3. Reporting to the king on the golden platform means to report the other party to the golden platform? Answer: No (View details >>) 4. Bai Rui'er is a snack foodie, but not good at cooking. The only time she made pastries, she almost blew up the Cake Tuan Club? Answer: No (View details >>

2024-03-23 comment 0 1245

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 1200

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 1055

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