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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11337

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 17638

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 11351

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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Detailed graphic explanation on how to use html and CSS to create love effects

Course Introduction：CSS plays a very important role in page layout. CSS can not only beautify pages built with HTML, but also create various cool effects. As a front-end staff, can you use CSS to draw hearts? This article will share with you how to draw a heart shape using HTML and CSS, as well as the code to implement the love effect using CSS3. It has certain reference value and interested friends can take a look.

2018-10-25 comment 0 13692

CSS Animation Guide: Teach you step-by-step to create heartbeat effects

Course Introduction：CSS Animation Guide: Teach you step-by-step to create heartbeat special effects Introduction: CSS animation is a technology commonly used in web design. It can make static web elements present dynamic effects and increase the user's interactive experience. Among them, the heartbeat effect is a very popular animation effect, which can make elements appear in a beating rhythm, giving people a lively feeling. In this article, I will introduce you in detail how to use CSS to create a simple heartbeat effect and provide specific code examples. Step 1: Prepare the HTML structure first

2023-10-20 comment 0 1609

'Star Breaking Dawn' Introduction to Daji at the End of Time

Course Introduction：How about Daji on the other side of the Star at Dawn? The internal beta test of King of Glory Star Break officially started on March 7. The original hero Daji and his new skin The Other Side of Time are launched in the game. Many players are not familiar with it yet. Let’s follow the editor to take a look at the introduction of Daji in Star Breaking Dawn! "Star Breaking Dawn" Bi Duan Daji introduces skill introduction 1. Xinyu Liuguang shoots energy crystals diagonally upwards, and releases energy crystals diagonally downwards when released in the air. 2. Heartbeat transmission launches a heart that spins upwards to the front. The heart released in the air is changed to a downward spin. If the heart hits the opponent at the far end of the spin, the opponent can be immobilized. If the "Heart Whisper Streamer" is released during the spin of the heart, The hearts scattered and bounced in different directions. 3. After the radio wave jumps slightly, place an electromagnetic force field.

2024-03-09 comment 0 1071

HTML+CSS3 to achieve heartbeat effect code sharing

Course Introduction：This article introduces the implementation method of HTML+CSS3 to simulate the beating of the heart through code. It is very good and has reference value. Friends who need it can refer to it.

2017-09-07 comment 0 4306

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