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Self-study IT network Linux load balancing video tutorial

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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.

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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.

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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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AE adds dynamic gradient effects to pictures.

Course Introduction：1. Open AE, name the gradient, and adjust the corresponding parameters. 2. Use ctrl+i to import the prepared picture materials and pull the picture materials into the timeline panel. 3. Select the picture material, add gradient, Effect-Generate-Gradient. 4. Picture material, after adding gradient, the picture will have the default gradient effect. Gradient starting point: Set the position of the starting point. Starting color: Set the color of the starting point. Gradient end point: Set the end position. End color: Set the end color. Gradient shape: linear gradient and radial gradient. Gradient scattering: Set the degree of diffusion of the gradient. When the value is large, you can see that the gradient will produce a grainy feeling. Blend with original image: Set the degree of blending with the original image by percentage; 100% original

2024-04-07 comment 0 623

Where are the colorful slimes in Stardew Valley?

Course Introduction：There are many monsters in Stardew Valley. We can find and fight monsters, and materials will drop. Colorful Slime is one of the monsters. If we know its specific location, it will be more convenient for us to defeat it. Here is the information for everyone Here is an introduction to the locations of colorful slimes in Stardew Valley as a reference. Stardew Valley Colorful Slime Location Introduction 1. First go to the Mage Tower to find the colorful jelly and choose to accept this task. 2. Go to the mines and skull cave to find colorful slimes. 3. There is no fixed location for colorful slimes. Players can repeatedly enter the fixed layer to obtain them. 4. Or eating food that increases luck can also increase the probability of encountering colorful slimes.

2024-04-12 comment 0 689

Introduction to how to use iconfont in layui

Course Introduction：The icons of the layui framework are taken from Alibaba's vector icon library Iconfont. Iconfont provides a large number of icon libraries, including official icon resources and some third-party materials. There are various selection methods, and some colorful icons can be integrated into the project.

2019-12-26 comment 0 4095

How to use CSS to create an alternating gradient effect background image

Course Introduction：How to use CSS to create a background image with an alternating gradient effect. Background images are an integral part of web design and can add beauty and appeal to the page. It is also a common practice to use CSS to achieve the effect of background images. This article will introduce how to use CSS to create a background image with an alternating gradient effect, and provide specific code examples. 1. Preparation Before starting, we need to prepare some basic materials: Background image - this is the picture material you want to use, it can be any image you like. gradient effect

2023-10-19 comment 0 1197

How to raise stars in Lost Star Ring? List of materials required to raise stars

Course Introduction：Lost Star Ring character star-leveling material list, an overview of the materials required for star-leveling. In the game Lost Stars, the hero's star upgrade is one of the important ways to improve the character's strength. Different materials are required to upgrade different star levels. ‌The following is a detailed introduction to the materials required to upgrade each star. Friends who are interested can take a look. [Character star upgrade material list] To upgrade from one star to two stars, you need: 1 2-star hero and 2 1-star heroes of the same series. ‌Upgrading from two stars to three stars requires: 2 ‌3-star heroes, 5 ‌4-star heroes of the same series, and 2 ‌any 1-star heroes. To upgrade from ‌three stars to four stars: 2 ‌3-star heroes, 1 ‌4-star hero of the same series, and 2 ‌3-star heroes. ‌To upgrade from four stars to five stars, you need: ‌2 4-star heroes, 5 ‌4-star heroes of the same series, ‌any 4

2024-08-01 comment 0 778

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