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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11328

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 11339

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 difference between JD.com's self-operated and official flagship stores?

Course Introduction：The difference between JD.com’s self-operated and official flagship stores are: 1. JD.com’s self-operated stores are stores operated by JD.com itself, while JD’s official flagship stores are used by major brand merchants to sell their own products through the JD platform; 2. JD’s self-operated delivery is fast; JD.com’s official flagship stores are slow to ship; 3. JD.com’s self-operated stores are stored in JD Center, while JD’s official flagship stores are stored in merchants’ own warehouses; 4. JD’s self-operated model is B2B, while the model of flagship stores is B2C; 5. Jingdong’s self-operated products are purchased uniformly, while the flagship store is rented to some brand merchants for their own operation.

2023-07-19 comment 0 26180

What is the difference between JD official flagship store and JD self-operated flagship store?

Course Introduction：Differences: 1. JD.com’s self-operated stores are stores operated by JD.com itself. They purchase goods from brand manufacturers to JD.com’s warehouses and then sell them to consumers on the JD.com platform; while JD.com’s official flagship store is where major brand merchants use the JD.com platform to sell their own products. 2. JD.com uses JD Logistics for self-operation and has fast delivery; while JD.com’s official flagship store is shipped by the brand. 3. JD.com’s self-operated products are stored in JD.com’s own warehousing center, while the products of JD.com’s official flagship store are stored in the merchant’s own warehouse. 4. Jingdong’s self-operated models are B2B and B2C, while the official flagship store is B2C.

2022-10-17 comment 0 238783

What shopping platforms support WeChat payment?

Course Introduction：Shopping platforms that support WeChat payment include: 1. JD.com, a comprehensive online retailer in China; 2. Vipshop, an Internet company that sells branded discounted goods online; 3. Pinduoduo, a leader in new social e-commerce. A shopping platform that better understands consumers; 4. Jingxi, a lifestyle shopping mall under JD.com; 5. Mogujie, an e-commerce website; 6. Jumei Youpin, a fashion shopping website mainly selling cosmetics; 7. , Weidian is a cloud promotion e-commerce platform; 8. Kaola Overseas Shopping is a membership e-commerce platform focusing on cross-border overseas shopping business.

2022-11-02 comment 0 54770

How to register and open a store on Vipshop_Process of registering and opening a store on Vipshop

Course Introduction：1. Search the browser and enter the Vipshop official website. 2. Click More, click Brand Investment. 3. Check the store opening conditions. If the conditions are met, send the store opening requirements to the official email and wait for a reply.

2024-06-09 comment 0 724

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