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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11322

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 17629

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 11334

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 are the fixes for PrestaShop website vulnerabilities?

Course Introduction：There are more and more loopholes in the PrestaShop website. The website system is an open source system used by many foreign trade websites. From the previous initial version 1.0 to the current version 1.7, it has gone through many upgrades, and more and more people are using the system. There are many domestic foreign trade companies using this system. PrestaShop has high scalability, many templates, free switching of multiple currencies, and supports credit card and Paypal payment. It is the first choice for foreign trade websites. Just in the past few days, it was revealed that PrestaShop has a remote code injection vulnerability. This vulnerability has a relatively small scope of impact and is relatively harmful. It can upload a webshell to the root directory of the website. On November 7, 2018, PrestaShop officially released the latest

2023-05-12 comment 0 1663

Xiaomi Motors went abroad, and foreign companies bought 40 units of Xiaomi SU7 in one go

Course Introduction：According to news on May 26, 2022, Xiaomi SU7 electric car has been enthusiastically sought after at home and abroad. Recently, an overseas company purchased 40 units of Xiaomi SU7 at one time through the Guangdong Provincial Association for the Promotion of Trade with Russia. This news has attracted widespread attention. It is reported that this overseas company has very detailed customization requirements for Xiaomi SU7, specifying a wet asphalt (olive green) color for the exterior, Galaxy Gray with nappa leather for the interior, and requiring basic equipment. Since the main responsibilities of the Guangdong Provincial Association for the Promotion of Trade with Russia include assisting in connecting Russian buyers, it is reasonable to speculate that the buyers of this large-scale purchase are likely to be companies from Russia. Netizens responded enthusiastically to the news, with some saying: “Overseas companies can purchase in large quantities, but we hope

2024-06-01 comment 0 508

Minister of Commerce Wang Wentao meets with Ge Sixin, President and CEO of Synopsys Technology, a major EDA manufacturer

Course Introduction：According to the official website of the Ministry of Commerce, Minister of Commerce Wang Wentao met with Synopsys President and CEO Gaixin on March 24. At the meeting, the two parties had in-depth exchanges on Synopsys' development in China and Sino-US economic and trade relations. Wang Wentao said that China is accelerating the development of new productive forces, and industries such as artificial intelligence, cloud computing, and consumer electronics have huge market potential. He welcomes Synopsys to actively integrate into China's digital development process and continue to expand its business in China to achieve mutual benefit and win-win results. Geisin said that Synopsys is willing to increase investment in innovation in China, deepen cooperation, and better meet the needs of Chinese consumers. Recently, Minister Wang Wentao met with a number of overseas semiconductor company executives visiting China, including Guo Lu, CEO of SK Hynix

2024-03-27 comment 0 1228

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 1200

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 1054

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