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Self-study IT network Linux load balancing video tutorial

Course Intermediate 10976

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 17039

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 10737

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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How to use PHP WebSocket development function to achieve real-time data push

Course Introduction：How to use PHP WebSocket development functions to achieve real-time data push Introduction: In today's Internet world, real-time data push has become a basic requirement for many applications. PHP WebSocket, as a technology that enables real-time data push, is widely used in Web development. This article will introduce how to use PHPWebSocket development functions to achieve real-time data push. 1. What is PHP WebSocket? WebSocket is a

2023-09-11 comment 0 778

PHP WebSocket development skills sharing: the best way to implement real-time push function

Course Introduction：PHPWebSocket development skills sharing: The best way to implement real-time push function In modern website development, real-time push function has become an increasingly important requirement. PHPWebSocket is a powerful tool that can easily implement real-time push functionality. This article will share some PHP WebSocket development tips to help developers achieve the best real-time push function. 1. Understand the basics of WebSocket. WebSocket is a TCP-based

2023-09-12 comment 0 932

PHP WebSocket development technology sharing: practical suggestions for implementing game functions

Course Introduction：PHPWebSocket development technology sharing: Practical suggestions for implementing game functions Introduction: With the continuous development of Internet technology, the prospect of Web games has attracted more and more attention from players. When developing Web games, realizing real-time interactive functions is a very critical task. PHPWebSocket technology can help developers achieve real-time interaction and provide powerful support for game functions. This article will share some practical suggestions about PHPWebSocket development technology to help developers better implement

2023-09-11 comment 0 724

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