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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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jQuery sidebar implementation code_jquery

Course Introduction：This article introduces the jquery sidebar implementation code. These sidebar menus can be used on different styles of web pages. If you think it is good, you can refer to the implementation code of this article.

2016-05-16 comment 0 1435

HTML, CSS, and jQuery: Build a beautiful web sidebar

Course Introduction：HTML, CSS and jQuery: Build a beautiful web sidebar In modern web design, the sidebar is one of the important components of the page layout. It provides additional navigation, functionality and content display space to help users better browse and understand web content. This article will introduce how to use HTML, CSS and jQuery to build a beautiful web sidebar, and provide specific code examples. First, we need to create a basic HTML structure. Here's a simple example: <!D

2023-10-27 comment 0 943

jquery implements the qq online customer service plug-in example floating on the right side of the web page_jquery

Course Introduction：A very practical QQ online customer service code. Click the QQ icon to directly talk to customer service. The details are as follows. Friends who are interested can refer to it. I hope it will be helpful to you.

2016-05-16 comment 0 1646

QQ browser software introduction_QQ browser download

Course Introduction：QQ browser software introduction QQ browser is a new generation browser released by Tencent. Fast and stable web browsing is the same choice of 100 million consumers. The full-featured QQ browser is very compact, lively and stable. It uses the M63 fast core to browse web pages quickly and more reliably. The new version of QQ Browser also has new sidebars, full-screen skins, web page collections with pictures and texts, and more extended software. If you want to experience QQ browser, you can download it for free at Huajun Software Park. QQ browser function introduction 1. Newly upgraded sidebar The sidebar improves news information, drama viewing, live broadcast rooms, and personal collection sections to bring higher-quality information services to users. 2. Use the above free ultra-clear wallpapers for full-screen mobile phone skin,

2024-02-28 comment 0 1221

How to add custom widgets in WordPress plugin

Course Introduction：How to Add Custom Widgets in WordPress Plugin WordPress is a powerful and flexible content management system (CMS) that is widely used in various types of websites such as blogs, news websites, and e-commerce websites. One very useful feature is to add custom widgets for displaying various features and content in the sidebar, footer, or other areas of your website. This article will introduce how to add custom widgets in WordPress plugins. Here is a simple step and code example to help you better

2023-09-05 comment 0 845

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