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Self-study IT network Linux load balancing video tutorial

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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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jQuery implements two navigation menu codes with animation function_jquery

Course Introduction：This article mainly introduces jQuery to implement two navigation menu codes with animation functions, involving different implementation techniques of jQuery animation effects. It has certain reference value. Friends in need can refer to it.

2016-05-16 comment 0 986

HTML, CSS and jQuery: Make an animated vertical menu

Course Introduction：HTML, CSS and jQuery: Make a vertical menu with animation In modern web design, dynamic effects have become one of the important factors that attract users' attention. In the navigation menu of the web page, animation effects can provide users with a better visual experience and operability. This article will introduce how to use HTML, CSS and jQuery to create an animated vertical menu, and provide specific code examples. HTML Part First, we need to use HTML to build the structure of the menu. in body tag

2023-10-24 comment 0 1268

Teach you step by step how to use CSS to create text to achieve frame-by-frame animation (with code)

Course Introduction：In the previous article "Teach you step by step how to use CSS3 to create cool navigation bar effects (detailed code explanation)", I introduced you how to use CSS3 to create cool navigation bar effects. This article will introduce to you how to use CSS to create text. To implement frame-by-frame animation, let’s see how to do it.

2021-09-01 comment 0 3032

JS CSS implements the atmospheric black homepage navigation menu effect code_javascript skills

Course Introduction：This article mainly introduces the JS CSS code to achieve the atmospheric black homepage navigation menu effect, involving JavaScript techniques to achieve dynamic switching of page styles based on mouse events. It has certain reference value. Friends in need can refer to it.

2016-05-16 comment 0 1342

Create a cool animated navigation using CSS3

Course Introduction：In the old days of web development, developers would rely on Adobe's Flash whenever they needed to create any kind of animation for their website. Over time, people abandoned Flash and started doing many of these things with CSS and JavaScript. Finally, with CSS3 and the broad browser support it now enjoys, we can do some pretty amazing things with just some CSS3 and nothing else. In this tutorial, I'll show you how to create a cool animated navigation menu using CSS3. You can see it in action in the CodePen demo below: Excited about implementing menus? let's start. Deciding to markup HTML5 quotes

2023-08-27 comment 0 888

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