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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11312

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 17626

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 11330

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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Nine departments: It will take 5 years to basically build a rural e-commerce service system with complete facilities, active entities, smooth circulation, and efficient services.

Course Introduction：According to the website of the Ministry of Commerce, nine departments including the Ministry of Commerce issued implementation opinions on promoting the high-quality development of rural e-commerce. It is proposed that within five years, a rural e-commerce service system with complete facilities, active entities, smooth circulation, and efficient services will be basically established. About 100 rural e-commerce "leading counties" will be cultivated across the country, and the role of e-commerce in promoting rural industries will be further enhanced. Cultivate about 1,000 leading digital circulation enterprises in counties, and make phased progress in the digital, networked, and intelligent transformation of traditional commercial circulation enterprises. About 1,000 live broadcast e-commerce bases will be built in counties, and the application level of live broadcast e-commerce will be further improved. Cultivate about 10,000 rural e-commerce leaders, and further improve the ability of rural e-commerce to promote employment and entrepreneurship. Rural online retail sales, agricultural products network

2024-03-15 comment 0 1167

What are the applications of big data in life?

Course Introduction：The applications of big data in life include: 1. Agricultural Internet; 2. Financial Internet; 3. E-commerce; 4. Medical device industry; 5. Big data in retail industry; 6. Biotechnology, etc.

2021-09-22 comment 0 103032

SF Airlines launches the 'Urumqi = Budapest' international all-cargo flight to serve cross-border e-commerce business, etc.

Course Introduction：According to news from this website on August 8, today, a B767-300 all-cargo aircraft of SF Airlines took off from Urumqi Diwopu International Airport in Xinjiang with a full load of cargo and headed for Budapest, the capital of Hungary, marking the official opening of the "Urumqi = Budapest" international all-cargo aircraft route. Operation, this is the first cargo route to Europe opened by SF Airlines in Xinjiang. 1. The "Urumqi=Budapest" route is operated by a wide-body all-cargo aircraft carrying about 50 tons. It is planned to operate 1-2 flights per week. It mainly serves cross-border e-commerce express business, the export of Xinjiang specialty agricultural products, and Hungary, etc. Import of specialty products from European countries. In July this year, SF Express Group and Xinjiang Commerce and Logistics Group achieved their first cooperation in the aviation field and launched the "Urumqi=Tbilisi" international route. SF Express

2024-08-09 comment 0 361

The role of barcodes

Course Introduction：The functions of barcodes: 1. Rapid identification and entry of product information; 2. Logistics tracking and management; 3. Improving consumer shopping experience; 4. Product traceability and anti-counterfeiting; 5. Improving production and management efficiency; 6. Promoting the development of e-commerce ; 7. Support special industry management; 8. Promote technological innovation and development.

2024-03-07 comment 0 1008

PHP mall logistics interface development technology sharing: code to realize the integration of multiple express companies!

Course Introduction：PHP mall logistics interface development technology sharing: code to realize the integration of multiple express companies! With the rapid development of e-commerce, logistics has become a vital part of the e-commerce industry. In order to better meet the needs of consumers and provide efficient and convenient logistics services, many e-commerce platforms have introduced multiple express delivery companies to cooperate to achieve diversified options for express delivery. To realize this function, it is necessary to connect the e-commerce platform with various express delivery companies through open logistics interfaces. This article will introduce how to use PHP to develop the mall logistics interface.

2023-09-12 comment 0 913

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