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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11220

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 17566

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 11276

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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html mobile phone and computer adaptive screen centering_html/css_WEB-ITnose

Course Introduction：html mobile phone and computer adaptive screen centering

2016-06-24 comment 0 1616

记一道css面试题 : 三栏布局两边宽度固定，中间宽度自适应，并且布局随屏幕大小改变。_html/css_WEB-ITnose

Course Introduction：记一道css面试题 : 三栏布局两边宽度固定，中间宽度自适应，并且布局随屏幕大小改变。

2016-06-24 comment 0 1500

JS realizes automatic carousel effect (adaptive screen width + mobile phone touch screen sliding)_javascript skills

Course Introduction：This article mainly introduces JS to realize the automatic carousel effect (adaptive screen width + mobile phone touch screen sliding). Friends who need it can refer to it.

2017-06-28 comment 0 4482

移动端 css实现自适应正圆 ( 宽高随着手机屏幕宽度自适应 )_html/css_WEB-ITnose

Course Introduction：移动端 css实现自适应正圆 ( 宽高随着手机屏幕宽度自适应 )

2016-06-24 comment 0 1654

What is bootstrap adaptive

Course Introduction：In bootstrap, adaptive refers to dividing the device into four types: ultra-small screen, medium screen, medium screen, and large screen according to the screen size. The webpage will be divided into 12 columns according to the different device screens, and the browser will be divided into rows and columns. The form is divided to achieve self-adaptation; no matter how big the screen is, self-adaptation will try not to wrap lines, but only scale horizontally.

2022-06-21 comment 0 3040

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