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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11277

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 17603

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 11312

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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Where can I check the 12123 exam results?

Course Introduction：1. Traffic Management 12123 app: Open the Traffic Management 12123 app, click [More], click [Exam Information Announcement] or [Exam Results] to query. 2. Official website: Log in to the 12123 Traffic Safety Comprehensive Service Management Platform, select [My Home Page], and click [Exam Information] to check the scores.

2024-05-08 comment 0 673

12123How to check exam results

Course Introduction：1. Traffic Management 12123 app: Open the Traffic Management 12123 app, click [More], click [Exam Information Announcement] or [Exam Results] to query. 2. 12123 official website: Log in to the 12123 traffic safety comprehensive service management platform, select [My Home Page], and click [Exam Information] to check the scores.

2024-05-08 comment 0 793

WeChat development public account platform video tutorial

Course Introduction：WeChat public platform is a new service platform that provides business services and user management capabilities to individuals, enterprises and organizations. The WeChat public platform mainly includes real-time communication, message sending and material management. Users can group and manage fans of public accounts and communicate in real time. They can also use advanced functions - editing mode and development mode to automatically reply to user information.

2017-08-30 comment 0 2655

WeChat microsite development video tutorial

2017-08-30 comment 0 5190

What are the classifications of java middleware?

Course Introduction：The categories are: application service middleware, application integration middleware, and business architecture middleware. Application service middleware provides a comprehensive computing environment and support platform for application systems; application integration middleware provides functions of message communication, services, and data integration between different network application systems; business architecture middleware includes business processes , business management, etc.

2020-06-20 comment 0 3337

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