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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11450

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 17735

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 11438

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 realizes 3D picture cube rotation animation special effects

Course Introduction：This article describes the implementation of 3D picture cube rotation animation special effects using pure CSS3. It has certain reference value. Let’s take a look at it together.

2017-05-28 comment 0 3563

jQuery CSS3 realizes 3D cube rotation effect_jquery

Course Introduction：This article mainly introduces jQuery combined with CSS3 to create a 3D cube rotation effect. When switching pictures, a 3D three-dimensional picture gallery effect is displayed. Friends who need it can refer to it.

2016-05-16 comment 0 2059

jQuery and CSS3 3D rotation project display template

Course Introduction：This is a very cool jQuery and CSS3 3D rotation project display template. This template uses CSS3 3D transform to create a 3D cube rotation effect, so that each item will show a cube rotation effect when switching.

2017-01-18 comment 0 1456

How to use JavaScript to achieve image rotation effect?

Course Introduction：How to use JavaScript to achieve image rotation effect? In web development, we often encounter scenarios where image rotation effects need to be achieved, such as displaying 360° rotation images of products, achieving image carousel effects, etc. JavaScript is a powerful scripting language that can easily achieve this image rotation effect. The following will introduce a method to achieve image rotation effects based on JavaScript and provide specific code examples. First, we create a simple HTML structure

2023-10-20 comment 0 1690

How to implement carousel image carousel effect with JavaScript?

Course Introduction：How to implement carousel image carousel effect with JavaScript? Introduction: The carousel effect is a common picture carousel effect. It arranges multiple pictures according to certain rules through rotation, and displays different pictures in regular rotation, adding a certain dynamic and visual effect to the page. This article will use JavaScript as an example to introduce how to implement the carousel image carousel effect and provide specific code examples. Implementation steps: HTML structure First, create a container element in HTML as

2023-10-20 comment 0 1441

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