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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11340

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 17646

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 11353

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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Vue implements mouse drag control width

Course Introduction：Vue.js is a popular JavaScript framework. It is not only a framework, but also a very flexible and powerful library. The framework allows developers to implement front-end applications efficiently. In this article, we will introduce how to use Vue.js to implement mouse drag control of width. Implementing mouse drag to control width is a common interaction in many web applications, such as dragging a border bar or slider to resize a container or resize an image. The most basic UI part of this interaction is a draggable element and a container as the target element. exist

2023-05-11 comment 0 1994

Introduction to the new guardian spirit interactive function of 'League of Legends Mobile Game'

Course Introduction：What are the new guardian spirit interactive functions in the League of Legends mobile game? The League of Legends mobile game will soon add a new guardian spirit interaction function. Players can interact with their guardian spirits in the lobby interface. Some people are not very familiar with the guardian spirit function. Let’s take a look at the detailed strategy with the editor. introduce. Introduction to the new guardian spirit interactive function of "League of Legends Mobile Game". When the summoner has a guardian spirit, the cute ones will stand by above the chat bar in the lobby to accompany the summoner. Touch and drag, and the interaction will be endless~ The guardian spirits also like to take risks. In the bubble chat, the summoner can click on the special bubble and become a little knowledge detective in seconds, solving all LOL mobile game problems! Function details 1. Lobby interaction. When the summoner has a guardian spirit, the guardian spirit will be displayed on standby above the chat bar in the lobby; summon Teachers can click and drag

2024-07-18 comment 0 560

Released the new Honor MagicOS 8.0: an innovative human-computer interaction experience driven by artificial intelligence

Course Introduction：Driving China News on January 10, 2024, Honor officially released the new MagicOS8.0 system at 14:30 this afternoon. With its unique functions and powerful performance, this system redefines the experience of using modern smart devices and leads the new trend of AI-driven human-computer interaction. MagicOS8.0's AI-driven intent recognition human-computer interaction allows users to obtain the information they need faster and more intuitively. For the first time, the system has realized the arbitrary door function based on platform-level AI blessing, and quickly understands the user's true intentions, allowing users to travel through different applications with one click and achieve rapid closed-loop multi-tasking. Just long-press the text, pictures, or files on the interface, drag them to the edges of the left and right screens, and trigger any door function to quickly

2024-01-13 comment 0 866

How to install win7 operating system on computer

Course Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0 1209

php-insertion sort

Course Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0 1065

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