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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11350

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 17653

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 11367

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 image tilt cascading switching special effect code sharing_jquery

Course Introduction：This article mainly introduces the tilt cascading switching effect of jquery images. It is recommended to everyone. Friends in need can refer to it.

2016-05-16 comment 0 1322

How to use JavaScript to achieve image switching effect?

Course Introduction：How to use JavaScript to achieve image switching effect? In web design, we often encounter scenarios where images need to be switched, such as in carousels, slideshows or album displays. Such image switching effects can be easily achieved using JavaScript. This article will introduce a simple method to achieve image switching effect through JavaScript, and provide specific code examples for reference. First, we need to prepare some HTML structures to accommodate images and trigger switching operations. in a d

2023-10-20 comment 0 1482

Summary of points to note about Jquery

Course Introduction：This is a 3D focus map animation based on HTML5 and jQuery. The images in the focus map use the relevant features of CSS3 to achieve the image tilt effect, thereby giving the image a 3D visual effect. This HTML5 focus map can not only manually click the button to switch pictures, but also supports automatic switching of pictures, which is also very convenient to use. If you need to display product images on your website, then this focus image plugin is perfect for you. Online demo source code download HTML code<section id="dg-container...

2017-06-14 comment 0 1534

How to use the tilt effect? Summarize the usage of tilt effect examples

2017-06-14 comment 0 2965

Summary of 3D focus map function definition and usage

2017-06-13 comment 0 1665

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