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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.

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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 to do if securefx cannot connect?

Course Introduction：Solutions to the problem that securefx cannot connect: 1. Check the network connection; 2. Check the SecureFX configuration; 3. Update SecureFX; 4. Check the firewall settings; 5. Check the target server settings; 6. Check the log file; 7. Try to connect manually; 8 , contact technical support; 9. Check certificate and encryption settings; 10. Check proxy settings; 11. Check software conflicts; 12. View documentation and support resources; 13. Consider upgrades or alternatives; 14. Pay attention to security risks.

2023-12-13 comment 0 993

How to solve securefx connection failure

Course Introduction：Solutions to the problem that securefx cannot connect: 1. Check the network connection; 2. Check the SecureFX configuration; 3. Update SecureFX; 4. Check the firewall settings; 5. Check the target server settings; 6. Check the log file; 7. Try to connect manually; 8 , contact technical support; 9. Check the certificate and encryption settings; 10. Try other connection methods; 11. Check the server documentation and support resources; 12. Consider upgrades or alternatives; 13. Be aware of security risks.

2023-12-13 comment 0 1023

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