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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11327

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

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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

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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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JavaScript accordion drop-down menu implementation code_javascript skills

Course Introduction：Everyone has seen the accordion effect drop-down menu, and there are many ways to implement it. This article will share with you the javascript accordion drop-down menu implementation code. It is purely handwritten. Interested friends should not miss it.

2016-05-16 comment 0 1306

Use CSS to implement several good menu bar example codes

Course Introduction：This article mainly introduces several good menu bar example codes implemented using CSS. The article includes sliding menus, multi-level drop-down menus with icons on the left, three-dimensional dynamic menus, accordion menus that can be folded at the same time, and mouse sliding to expand secondary menus. As well as a vertical multi-level menu that displays the unread count and folding, friends in need can refer to it.

2017-02-18 comment 0 3263

Jquery 垂直多级手风琴菜单附源码下载_jquery

Course Introduction：本文给大家分享一款简单但实用的多级垂直手风琴下拉菜单列表，完全使用css来制作多级手风琴菜单，通过该代码将不同的子菜单进行分组制作出多级菜单的效果，本文附效果演示和源码下载感兴趣的朋友一起学习吧

2016-05-16 comment 0 1355

One sentence based on JQuery to get the accordion menu_jquery

Course Introduction：Based on JQuery, you can get the accordion menu effect code in one sentence. Friends who need it can refer to it.

2016-05-16 comment 0 945

Detailed examples of how jQuery implements accordion menu, hierarchical menu, top menu, and seamless scrolling effect

Course Introduction：This article mainly introduces the graphic description of the accordion menu, hierarchical menu, top menu, and seamless scrolling menu based on jQuery. The effect display and code implementation of this article are introduced to you in very detail. Friends who need it can refer to it. I hope it can help you. .

2017-12-31 comment 0 2307

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