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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11245

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 17581

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 11291

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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Improve the quality of Webman projects through effective code management

Course Introduction：Improving the quality of Webman projects through effective code management Introduction: In today's software development, Web applications have become one of the most common and important project types. For the development of web applications, code is its core component. Therefore, how to carry out effective code management is the key to ensuring the quality of Webman projects. This article will introduce some common and effective code management practices and provide corresponding code examples to help developers improve code quality and development efficiency when developing Webman projects.

2023-08-26 comment 0 942

React Toolset for Efficient Code Management

Course Introduction：Introduction This documentation outlines a comprehensive approach to structuring and managing React applications using a curated set of tools and best practices. By adhering to these guidelines, you can create scalable, maintainable, and effici

2024-10-19 comment 0 642

Java Git black belt skills: Make your code management better

Course Introduction：1. The Art of Branch Management gitrebase-i: Interactively rewrite commit history, merge or discard commits, and keep your code clean. gitcherry-pick: Select and apply specific commits from another branch, avoiding creating merge conflicts. gitbranch--remote: Manage remote branches, switch and merge easily. 2. Submit message secrets follow standardized submission information: use angularjs commitment specifications or other conventions to ensure that the submission information is clear and easy to understand. Use commitlint: automatically check the commit information to ensure that it meets the team's agreement. gitadd -p: Interactively commit code in stages, allowing line-by-line selection. 3. The killer git trick for merge conflicts

2024-03-06 comment 0 441

ORM framework in Python Django ORM practice

Course Introduction：With the development of the Internet, developing software has become more and more popular. In order to improve development efficiency and code management, many languages provide ORM frameworks, and Python is no exception. Django is a Python Web framework that provides a powerful ORM framework - DjangoORM. This article will introduce how to use DjangoORM to manage databases. Install Django Before using DjangoORM, you need to install Django. It can be installed using pip

2023-06-10 comment 0 1515

Git tool to help PHP project management: explore its potential

Course Introduction：As a powerful version control system, git has completely changed the way PHP projects are managed. It provides valuable support for team collaboration, code management, and agile development, enabling developers to build and maintain software projects efficiently and confidently. This article will delve into the advantages of Git and demonstrate its practical application in PHP projects through demonstration code. The Cornerstone of Version Control The core feature of Git is version control, which allows developers to track code changes and collaborate on the code base. Each commit represents a specific moment in the codebase and can be rolled back or switched at any time as needed. Demo code: gitadd.gitcommit-m"Initialcommit"gitpushoriginmain

2024-03-10 comment 0 526

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