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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11332

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 17637

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 11349

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 dedecms template

Course Introduction：dedecms template is a software template of Shanghai Zhuozhuo Network Technology Co., Ltd. The template engine of DedeCMS adopts the official self-developed Dede template engine. The tags with XML-like structure are simple and easy to understand, making it easy to edit in a web page editor.

2019-07-22 comment 0 5013

Where to check express logistics information

Course Introduction：If you want to know about express logistics information, there are many ways to help you complete this task. With the development of the Internet, the express logistics industry has become more and more convenient and fast. Next, I will introduce you to some common ways to check express logistics information. Express company official website: Each express company has its own official website, and you can find the corresponding query entrance on the website. By entering the courier tracking number, you can view information such as the courier's transportation route, current status, and estimated delivery time. Common express companies include SF Express, STO, and Yuan Express

2024-02-23 comment 0 918

Xiaomi official website authenticity query system official website?

Course Introduction：1. Xiaomi’s official website is the official website of the authenticity inquiry system? The official website of Xiaomi cannot be found now. I have to go to Xiaomi after-sales service outlets to check. 2. Official website of wds system? The official website of wds system is microsoft.com/windows. 1. The official website of the wds system is microsoft.com/windows. 2. Microsoft is the R&D company of wds system. The official website will also provide various information about wds system and provide services such as download, problem solving and technical support. 3. In addition to the official website, the wds system also has many other channels to obtain information and support, such as online communities and technical blogs. 3. Dotos system official website? DotOS official website: https://www.droid

2024-08-22 comment 0 315

Stellantis Group will invest 1.5 billion euros to acquire approximately 20% of Leapmotor and become its strategic shareholder

Course Introduction：According to news from this website on October 26, this website learned from the official public account of Leapmotor that Stellantis N.V. (hereinafter referred to as "Stellantis Group") and Zhejiang Leapao Technology Co., Ltd. (hereinafter referred to as "Leapao Auto") announced today : Stellantis Group plans to invest approximately 1.5 billion euros to acquire approximately 20% of Leapmotor's equity, which will make Stellantis Group an important shareholder of Leapmotor. This transaction also confirmed that Stellantis Group and Leapmotor will establish a joint venture company called "Leapmotor International" with a ratio of 51%:49%. Except for the Greater China region, the joint venture exclusively owns

2023-10-26 comment 0 591

Involving 1,364 engines, a subsidiary of Japan's Hitachi Zosen was exposed for falsifying fuel consumption data

Course Introduction：According to news from this website on July 6, Japan's Hitachi Zosen issued an announcement on July 5, saying that two of its subsidiaries had falsified the fuel consumption rate data of large ship engines, involving 1,364 large ship engines. This website quotes an official announcement that two subsidiaries of Hitachi Zosen Marine Engine Co., Ltd. and Imex Co., Ltd. were found to have improperly rewritten engine land operation records. The parent company has now established an external expert team to ensure that such a situation will not happen again in the future. Japan's Hitachi Zosen has currently established a special investigation committee to thoroughly investigate the facts and reasons, and review its business management system. It said it will do its best to prevent such incidents from happening again and restore trust. Investigation into fuel consumption rate when test running engine in the presence of customer

2024-07-11 comment 0 1301

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