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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11340

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 17643

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 11353

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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jquery css to achieve dynamic image switching effect_jquery

Course Introduction：This article mainly introduces jquery css to achieve dynamic image switching effect. The effect is very exquisite, and the animation is simple and elegant. I recommend it to everyone. Interested friends can refer to it.

2016-05-16 comment 0 1904

A simple picture switching effect implemented using html css js_javascript skills

Course Introduction：This article mainly introduces a simple image switching effect implemented using html css js. Friends who need it can refer to it.

2016-05-16 comment 0 1549

How to use CSS to achieve a simple image switching effect

Course Introduction：CSS realizes image switching CSS is one of the very important technologies in front-end development, which can realize various styles and animation effects. Among them, image switching is also a common requirement, such as website carousels, slides, etc. In this article, I will introduce how to use CSS to achieve a simple image switching effect. 1. HTML structure First, we need to add images to the web page and assign them different IDs or classes. Here is a sample code: ```<div class="slider"> <img id="img1" src="

2023-04-21 comment 0 3118

How to use HTML, CSS and jQuery to create a responsive image switching effect

Course Introduction：Creating responsive image switching effects is one of the common tasks in front-end development. In this article, we will use HTML, CSS and jQuery to achieve this effect. Below are detailed steps and specific code examples. HTML structure First, we need to create the HTML structure required for the image switching effect. You can use the following code example to create a simple HTML structure. <divclass="slider-container">

2023-10-24 comment 0 984

How to use html+css+JavaScript to achieve simple image switching effects

Course Introduction：This article mainly introduces a simple image switching effect implemented using html+css+js. Friends who need it can refer to it.

2017-07-24 comment 0 3389

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