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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11331

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 17634

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 11348

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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Which golang framework is best for large projects?

Course Introduction：Recommended best frameworks for developing large-scale Go projects: High performance, simplicity: Gin is easy to use, highly scalable: Echo full-stack solution: Beego. The advantages of each framework are as follows: Gin: high performance, simple API, middleware support Echo: Easy to use, powerful routing, rich plug-ins Beego: full stack solution, out-of-the-box ORM, complete documentation

2024-06-04 comment 0 1065

Use jquery to create a pop-up box effect_jquery

Course Introduction：This article mainly uses the jDialog plug-in to achieve the pop-up box effect. The code is very brief. Friends who need it can refer to it themselves.

2016-05-16 comment 0 1214

Course Introduction：Vue.js is a popular front-end framework. It is simple, easy to use and efficient, and is loved and used by the majority of developers. In Vue development, development efficiency and quality can be greatly improved with the help of some commonly used tools and plug-ins. This article will recommend some tools and plug-ins frequently used in Vue development. VueDevtoolsVueDevtools is a powerful browser plug-in for debugging and performance optimization of Vue.js applications. It provides an intuitive

2023-11-02 comment 0 1618

In-depth interpretation of golang framework source code

Course Introduction：The Gin framework is popular among developers for its simplicity, performance, and ease of use. Its source code is built around core mechanisms such as request routing, middleware and context management. Specifically, it uses regular expressions for request routing, allows middleware to be inserted for request processing, and uses key-value pairs to store request and response data. Through a practical case of creating RESTful API, we demonstrated the functionality and ease of use of the Gin framework.

2024-06-04 comment 0 568

What are the roles and advantages of Spring Cloud in microservice architecture?

Course Introduction：SpringCloud is a framework that simplifies the development and deployment of microservices. Its function is as follows: Simplify microservice development. Accelerate service integration. Improve service flexibility. The advantages of SpringCloud include: simplicity and ease of use. Rich components. Community support. Strong integration.

2024-06-02 comment 0 444

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