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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11279

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 17603

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 11314

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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css3 rotation feature

Course Introduction：With the continuous development of Internet technology, CSS (Cascading Style Sheets) has become more and more powerful, especially the emergence of CSS3, which has brought many benefits to web designers. Among them, the rotation feature of CSS3 is undoubtedly one of the most practical and widely used features in web design. This article will introduce the principles and applications of CSS3 rotation. Principle of CSS3 rotation feature The rotation function of CSS3 provides four rotation methods, namely clockwise rotation, counterclockwise rotation, three-dimensional rotation and plane rotation. Below, we will introduce the principles of these four rotation methods respectively.

2023-05-29 comment 0 770

How to turn off the rotation function of the lightning simulator Tutorial on turning off the rotation function of the lightning simulator

Course Introduction：Today, the editor brings you a tutorial on turning off the rotation function of the lightning simulator. If you want to know how to do it, please read the following article. I believe it will definitely help you. How to turn off the rotation function in the lightning simulator? Tutorial on turning off the rotation function of the lightning simulator 1. First enter the main interface of the lightning simulator and click Settings on the right. 2. Then a pop-up window will appear, click Other Settings here. 3. Finally, find the automatic rotation function as shown in the picture, and set this function to off.

2024-08-08 comment 0 512

How to turn off the rotation function in the lightning simulator_Tutorial on turning off the rotation function in the lightning simulator

Course Introduction：1. First enter the main interface of the lightning simulator and click Settings on the right. 2. Then a pop-up window will appear, click Other Settings here. 3. Finally, find the automatic rotation function as shown in the picture, and set this function to off.

2024-06-04 comment 0 457

What is the 2d rotation function in css3

Course Introduction：In CSS3, the 2D rotation function is the "rotate()" function; this function can specify the 2D rotation angle of the element in the parameter, and the unit is "deg". When it is set to a positive value, the element rotates clockwise, and when it is set to a negative value, the element rotates counterclockwise. Clock rotation, the syntax is "element {transform:rotate(rotation angle);}".

2022-03-30 comment 0 1664

Overview of new features of CSS3: How to use CSS3 to achieve rotation effects

Course Introduction：Overview of the new features of CSS3: How to use CSS3 to achieve rotation effects Introduction: CSS3 is a standard for modifying the style of HTML web page elements. Compared with CSS2, CSS3 introduces many new features, one of which is the rotation effect. Using the rotation feature of CSS3, we can easily add rotation animations to web page elements to make the page more lively and interesting. This article will introduce the rotation feature of CSS3 and give some example codes for everyone to learn and refer to. 1. CSS3 rotation attribute In CSS3, there are two

2023-09-12 comment 0 1177

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