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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11329

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 17632

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 11344

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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Pure CSS3 cool 3D starry sky animation special effects

Course Introduction：This is a cool 3D starry sky animation special effect made using pure CSS3. In this special effect, from the perspective of the spacecraft moving forward quickly, all the stars quickly become larger and move backward, and the effect is very realistic.

2017-01-18 comment 0 3186

An overview of the new features of CSS3: How to apply CSS3 animation effects

Course Introduction：Overview of the new features of CSS3: How to apply CSS3 animation effects Introduction: With the development of the Internet, CSS3 has gradually replaced CSS2 as the most commonly used style language in front-end development. CSS3 provides many new features, the most popular of which is animation effects. By using CSS3 animation, you can add stunning interactive effects to web pages and improve user experience. This article will introduce some commonly used animation features of CSS3 and provide relevant code examples. 1. TransitionAnimat

2023-09-09 comment 0 1225

Cute cartoon animal animation special effects based on SVG and CSS3

Course Introduction：This is a cute animal animation special effect based on SVG filter and CSS3. This special effect uses HTML tags and SVG to create the shape of the animal, and uses CSS3 animation to create various animation effects of the animal.

2017-01-19 comment 0 1859

Pure CSS3 team members introduce animation special effects examples

Course Introduction：This article mainly introduces pure CSS3 team members to introduce animation special effects examples.

2017-03-06 comment 0 1939

Pure CSS3 creates an animated special effect where the border shadow spreads outwards

Course Introduction：In the previous article "Teach you step by step how to use CSS3 to implement dynamic effects of button hovering and flashing", we introduced the method of using CSS3 to add dynamic effects to buttons and achieve a button hovering and flashing shadow animation effect. Today, this article will share with you a border animation effect. Let’s see how to use CSS3 to achieve the animation effect of the border shadow spreading outward.

2021-08-25 comment 0 6060

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