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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11328

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 17632

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 11339

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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Fractal Bitcoin, a new Bitcoin scaling solution supported by UniSat, has officially launched its mainnet

Course Introduction：This innovative project aims to enhance Bitcoin’s transaction capabilities while staying true to its original framework by working directly on the Bitcoin Core codebase

2024-09-09 comment 0 669

What is the difference between Golang function debugging and integration testing?

Course Introduction：Go language provides two testing methods: function debugging and integration testing. Function debugging is used to test a single function, placed in the same directory as the function, and manually simulated input. Integration tests are used to test codebase collaboration, are placed in a separate directory, use the framework to simulate input, and include multiple components to ensure the overall functionality of the codebase.

2024-04-17 comment 0 913

Building a Scalable Laravel Framework with HMVC

Course Introduction：Introduction Maintaining a clean and efficient codebase is crucial for scaling applications effectively in the dynamic web development world. This article explores a Laravel-based framework I developed using the Hierarchical Model-View-Controll

2024-08-20 comment 0 669

Using the Service Layer Pattern in PHP for Clean and Scalable Code

Course Introduction：The Service Layer pattern is a popular design approach for handling business logic in PHP applications. By separating application logic from the framework, we create a scalable, testable, and maintainable codebase. In this article, we’ll walk through

2024-11-01 comment 0 580

How to contribute code to the golang framework

Course Introduction：Steps to contribute code to the Golang framework: Choose a project that is interesting and suitable for beginners. Familiar with codebase structure and contribution guidelines. Create a GitHub ticket describing the proposed changes. Write changes following the contribution guidelines. Test changes and ensure code meets formatting and coverage requirements. Create a pull request and reference a ticket. Wait patiently for maintenance staff to review.

2024-06-05 comment 0 780

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