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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11317

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 17628

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 11331

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 implement travel navigation and route planning in uniapp

Course Introduction：How to implement travel navigation and route planning in uniapp With the improvement of people's living standards, travel navigation and route planning have become an indispensable part of modern society. Implementing travel navigation and route planning in uniapp is not complicated. This article will introduce the specific steps to implement these functions through uniapp and related plug-ins, and provide code examples. 1. Introduce map components and navigation plug-ins. First, we need to introduce map components and navigation plug-ins into uniapp. The current mainstream navigation plug-ins include Baidu Maps

2023-10-20 comment 0 2589

Teach you step by step how to use CSS to create text to achieve frame-by-frame animation (with code)

Course Introduction：In the previous article "Teach you step by step how to use CSS3 to create cool navigation bar effects (detailed code explanation)", I introduced you how to use CSS3 to create cool navigation bar effects. This article will introduce to you how to use CSS to create text. To implement frame-by-frame animation, let’s see how to do it.

2021-09-01 comment 0 3029

Teach you step by step how to use css3 to create a cool navigation bar effect (detailed code explanation)

Course Introduction：In the previous article "Teach you how to use CSS3 to add three-dimensional effects to fonts (with code)", I introduced how to use CSS3 to add three-dimensional effects to fonts. The following article will introduce to you how to use CSS3 to create a cool navigation bar effect. Let’s see how to do it together.

2021-08-31 comment 0 5225

How can I change the underline color of text in PHP without changing the text color?

Course Introduction：Using CSS to Change Underline ColorQuestion:In PHP code, a string is currently displayed with red text and a red underline. The goal is to keep...

2024-11-12 comment 0 298

Beginner's article: How to use ccs to make a simple layout (with code)

Course Introduction：In the previous article "Teach you step-by-step to use CSS3 to create cool navigation bar effects (detailed code explanation)", I introduced how to use CSS3 to create cool navigation bar effects. The following article will introduce to you how to use HTML to create a simple layout. Let's see how to do it together.

2021-09-03 comment 0 2556

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