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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11215

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 17559

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 11269

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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Apple laptop official website?

Course Introduction：1. Apple notebook official website? https://www.apple.com.cn/Apple Inc. is an American high-tech company. Mainly selling electronic products, including mobile phones, tablets, notebooks and peripheral products. Founded on April 1, 1976 by Steve Jobs, Steve Gary Wozniak, and Ronald Wayne (Ron Wayne), and named Apple USA Apple Computer Inc., renamed Apple Inc. on January 9, 2007, is headquartered in Cupertino, California. 2. Shenzhou Notebook official website? The official website of Shenzhou Notebook is http://www.hasee.co

2024-08-23 comment 0 636

Watt shares said there are currently no robot electronic skin products

Course Introduction：Watt Co., Ltd.: The company currently has no products involving robot electronic skin. Watt Co., Ltd. (002886) stated on the interactive platform that the company's robot-oriented materials are mainly focused on solving customers' lightweight and integration needs. At present, related products are still in the product and technology development stage, and there are no products involving robot electronic skin.

2024-01-17 comment 0 928

What is the full name of JD.com?

Course Introduction：The full name of JD.com is "Beijing Jingdong Century Trading Co., Ltd.". It is a comprehensive online retail enterprise. JD.com, a subsidiary of the company, is one of the most popular and influential e-commerce websites in China's e-commerce field, with online sales There are tens of thousands of branded products in 12 categories including home appliances, digital communications, computers, household department stores, clothing and accessories, maternal and infant products, books, food, and online travel.

2022-10-11 comment 0 59634

Vivo Vice President of Product Huang Tao: X100 Pro will be built with the goal of Pro+ level!

Course Introduction：On November 13, vivo held a new product launch conference for the X100 series at the Water Cube in Beijing, bringing two mobile phones, the X100 and X100Pro, which were called "perfect works." According to official information, after the official launch of the vivoX100 series, the first sales data of the X100/Pro series increased by 740% compared with the previous generation vivoX90/Pro series, setting a new record for the series. After the press conference, our website also participated in the exclusive interview of the X100 series, and had a more in-depth exchange with vivo product vice president Huang Tao and vivo product manager Han Boxiao around this new product. In an interview, Huang Tao, vice president of vivo products, revealed to the media that the release of the X100Pro product is based on the Pro

2023-11-14 comment 0 1653

Xiaomi ZMI was sued by Zimi and made a 'huge claim', the head of Cool State Technology Department spoke out

Course Introduction：Jiangsu Zimi Electronic Technology Co., Ltd. was established in 2012 and is one of the earliest investment companies in the Xiaomi ecological chain. The company has its own brand ZMI, which mainly produces mobile power supplies, chargers, wireless chargers and other products. However, since the Chinese "Zimi" trademark belongs to the owner of another "Zimi Official Flagship Store" (English name "zime"), Xiaomi subsequently launched the ecological chain brand "CUKTECH", which is said to be "joined by the original ZMI core team" and has currently released a number of mobile power products. ▲Screenshots of Zimi’s official flagship store▲After a few months of CUKTECH’s mobile power supply products, Eric, the head of marketing/design of CUKTECH, posted on Weibo claiming: A certain Shenzhen entity (zime) is already a wholly-owned subsidiary of Xiaomi Jiangsu Zimi Electronics

2023-12-21 comment 0 657

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