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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11277

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 11312

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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How to use Layui to implement responsive navigation tab function

Course Introduction：How to use Layui to implement responsive navigation tab function. The navigation tab function is a common web page layout component, which can provide the function of quickly switching between different content modules. Using Layui, an excellent front-end framework, we can easily implement a responsive navigation tab function. This article will introduce how to use Layui to implement this function, and attach detailed code examples. 1. Introduce Layui First, introduce Layui related resources into the page. You can download it from layui official website (http

2023-10-27 comment 0 1233

'Creating the World' web version entrance link

Course Introduction："Chuangyou World" is produced by the Chuangyou Editor team. It is an upgraded version of the Chuangyou Editor. It adds online, animation, scripting and other functions. You can make fun game works even if you don't know programming or painting! Next, I will bring you the link to the web version of Chuangyou World - the official website of Chuangyou World. Friends who are looking for the official website entrance, come quickly! Chuangyou World web version entrance link Web version entrance: https://www.hortorinteractive.com/cysj/index.htmltaptap entrance: https://www.taptap.cn/app/2313423dm entrance: https://shouyou.3dmgame .c

2024-06-06 comment 0 654

'DJI Mall' App version 6.9.7 is online: Official introduction to drone virtual flight functions, etc.

Course Introduction：DJI Mall App launched version 6.9.7 on November 24. DJI's official public account currently provides a retrospective summary of this App, and highlights the three features introduced in the 6.X version era, namely "Virtual Flight", "Official List" and "Device Management" "The official introduction states that users can currently conduct a test flight in the DJI Mall App before purchasing a drone. They can intuitively feel the drone's "one-click takeoff" and "omnidirectional obstacle avoidance" functions. The virtual joystick can control the flight of the drone. DJI also introduced two functions in the mall App, one is the "official list" and the other is the "community forum". official

2023-11-24 comment 0 1396

python使用新浪微博api上传图片到微博示例

Course Introduction：本文介绍了Python使用新浪微博官方api发表带图的微博（模拟post）的功能，大家参考使用吧

2016-06-16 comment 0 1601

Use ThinkPHP to implement ajax-like official website search function

Course Introduction：This article mainly introduces the method of ThinkPHP to implement ajax-like official website search function. The example demonstrates the background query function and the method of submitting search data through front-end Ajax. It is a very practical skill. Friends who need it can refer to it.

2018-06-09 comment 0 2072

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