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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11386

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 17699

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 11397

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 use CSS to achieve various geometric shape effects_html/css_WEB-ITnose

Course Introduction：How to use CSS to achieve various geometric shape effects

2016-06-24 comment 0 1508

Can CSS3 Alone Create Hexagons?

Course Introduction：Creating Hexagons with CSS3In the quest for creative CSS solutions, a common challenge has been to recreate geometric shapes using just CSS. One...

2024-12-06 comment 0 588

How to make creative geometric figure animations in PPT_Steps and methods to make creative geometric figure animations in PPT

Course Introduction：1. Click [Insert]-[Shape]-[Triangle]-press the shift key to draw a triangle. 2. Right-click the triangle-Format Shape-No Fill-Gradient Line-Choose your favorite color in the gradient aperture-Adjust the aperture position. 3. Click islide-design layout-circular layout. 4. Adjust the quantity to: 35 - Starting angle: around 66.7 - Layout radius: around 19.8 - Rotation mode: automatic rotation. 5. Select all shapes-Animation-Add Animation-Gyro. 6. Click the preview in the lower right corner to see the effect.

2024-04-25 comment 0 1209

golang geometric calculation

Course Introduction：Golang is a fast, efficient and reliable programming language suitable for various application scenarios. Among them, geometric calculation is one of the most powerful features of Golang, which can help developers easily handle geometric calculation tasks when building various applications. This article will introduce Golang's capabilities in geometric calculations, including basic geometric calculations and advanced geometric calculations, as well as tips and best practices for optimizing calculation speed. 1. Basic geometric calculation 1. Calculate the distance between points. In Golang, you can use the Distance function in the math package.

2023-05-16 comment 0 3818

Unique innovation: explore the potential of canvas framework and realize unique painting style

Course Introduction：Creativity and innovation: Take advantage of the characteristics of the canvas frame to achieve unique painting effects. Introduction: On the road to creativity and innovation, it is very important to explore various ways to express unique painting effects. Using the canvas framework can provide us with a broad stage. Through its powerful features, we can achieve a variety of creative and innovative painting effects. In this article, we'll explore some techniques for using the features of the canvas framework to achieve unique painting effects, and provide specific code examples. 1. Understand canv

2024-01-17 comment 0 879

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