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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

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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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Super simple implementation method of waterfall flow layout

Course Introduction：This article mainly introduces an example of jquery implementing a super simple waterfall flow layout. The code is simple and easy to modify. Let's take a look with the editor below, I hope it can help everyone.

2018-01-23 comment 0 2000

How to use JavaScript to implement image waterfall flow layout?

Course Introduction：How to use JavaScript to implement image waterfall flow layout? Introduction: With the popularity of social media, people's demand for pictures continues to increase. Image waterfall layout is a popular way to display images, which allows images to be adaptively arranged at different heights and widths, thereby presenting a more beautiful and interesting effect. This article will introduce how to use JavaScript to implement a simple image waterfall flow layout, and provide specific code examples. 1. Layout Principle The basic principle of waterfall flow layout in pictures is that in

2023-10-20 comment 0 891

How to use the flex property of CSS3 to create a waterfall flow layout effect?

Course Introduction：How to use the flex property of CSS3 to create a waterfall flow layout effect? In web design, Waterfall Layout is a common and popular page layout method. It is characterized by presenting content in irregular columns and row heights, creating a waterfall-like aesthetic. In the past, implementing a waterfall layout required using complex JavaScript code to calculate the position and size of elements. However, with the development of CSS3, we can use its powerful flex property to make it simpler

2023-09-09 comment 0 1001

HTML, CSS, and jQuery: A technical guide to implementing waterfall layouts

Course Introduction：HTML, CSS and jQuery: Technical Guide to Implementing Waterfall Layout Introduction: With the rapid development of the Internet, page layout design has become more and more important. The simple linear layout of the past no longer meets the needs of users, and the waterfall flow layout has become a popular choice for major websites and applications. This article will introduce how to use HTML, CSS and jQuery technology to implement waterfall flow layout, while providing detailed code examples. 1. HTML structure Before implementing the waterfall flow layout, we need to first change the H of the page

2023-10-25 comment 0 1298

jquery implements simple waterfall flow layout

Course Introduction：There are two types of waterfall flow layouts, one is fixed columns and the other is non-fixed columns. This article mainly describes the implementation of the first type. Friends in need can refer to it

2016-12-28 comment 0 1022

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