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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11273

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 17598

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 11309

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 1157

Guangdong Province: Organize the trade-in of old cars for new ones, and Guangzhou and Shenzhen further relax license plate quota restrictions

Course Introduction：According to news from this site on April 13, the People's Government of Guangdong Province recently issued the "Implementation Plan for Promoting Large-Scale Equipment Updates and Trade-in of Consumer Goods in Guangdong Province." As of 2027, the scale of equipment investment in industry, energy, agriculture, construction, transportation, education, cultural tourism, medical and other fields will increase by more than 25% compared with 2023; the annual standardized recycling and dismantling volume of scrapped cars is about 800,000, and the annual transaction volume of second-hand cars There are more than 4 million vehicles, and the annual recycling and decomposition volume of waste electrical appliances and electronics reaches 10 million units (sets). The proportion of recycled materials in the capital supply has further increased, and the level of recycling has been continuously improved. The "Plan" mentioned that the trade-in of old cars for new ones will be carried out. Strengthen policy guidance, organize old car trade-in activities, and encourage car production and distribution companies to carry out promotional activities and distribute

2024-04-14 comment 0 1152

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 1166

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 1023

charles captures requests in eclipse

Course Introduction：charles captures requests in eclipse

2016-12-02 comment 0 1659

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