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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11311

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 17622

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 11329

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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Five cool 2022 Year of the Tiger dynamic special effects codes [Recommended]

Course Introduction：Welcome the New Year with joy! The New Year of 2022 is approaching. This year is the Year of the Tiger in Renyin. There are an endless stream of products with various tiger images. Hurry up and add some tiger elements to your website to welcome the Year of the Tiger happily! The following PHP Chinese website summarizes and recommends the latest special effects codes for the Year of the Tiger, including special effect codes for sending blessings for the Year of the Tiger, drawing animations for the Year of the Tiger, and other special effects codes.

2022-01-25 comment 0 5496

The latest summary of 2022 New Year's Day special effects codes [Recommended]

Course Introduction：Welcome the New Year with joy! New Year’s Day 2022 is approaching, hurry up and make your website festive! PHP Chinese website summarizes and recommends the latest New Year's Day special effects codes for everyone, including various New Year's Day countdowns and related animation special effects codes to celebrate the arrival of 2022. Welcome to click on the corresponding link in the article to preview online and download for free!

2021-12-30 comment 0 5599

Why does CSS3 need animation function? Analysis from a performance and customizability perspective

Course Introduction：Why does CSS3 need animation function? Analysis from the perspective of performance and customizability In recent years, with the rapid development of Internet technology, the design of web pages has increasingly focused on user experience and visual effects. In order to achieve richer interactive effects, CSS3 introduced animation functions. This article will analyze why CSS3 has animation functions from two perspectives: performance and customizability. First of all, performance is a factor that cannot be ignored. Traditional web animation is usually implemented through JavaScript, but since JavaScript is an interpretive

2023-09-11 comment 0 1188

Five beautiful 2021 countdown dynamic special effects source codes (free download)

Course Introduction：2021 New Year Countdown~Five cool countdown special effects source code recommendations! All are free. You can click on the corresponding link in the article for animation preview. Everyone is welcome to share and download~

2020-12-31 comment 0 6558

what is text javascript

Course Introduction：JavaScript is a web browser-based scripting language that is used to add interactivity to websites. JavaScript originated from the LiveScript language of Netscape Corporation (now the Mozilla Foundation), which was originally called Mocha and later renamed JavaScript. It was created by Brendan Eich in 1995 and standardized as ECMAScript. JavaScript can be used to create dynamic web pages, add animation effects and special

2023-05-16 comment 0 781

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