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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11279

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 17603

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 11314

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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css3 effect rotation

Course Introduction：Rotation of CSS3 special effects In web design, dynamic special effects can increase the interactivity and artistry of web pages, making users browse web pages more happily. Among them, the rotation effect is a relatively common special effect. In CSS3, rotation effects can be achieved through the transform attribute. 1. Use transform to achieve rotation. The transform attribute in CSS3 is used to achieve deformation effects of elements, such as rotation, movement, scaling, etc. When realizing the element rotation effect, you can use the rotate rotation function. The specific syntax is as follows: tra

2023-05-27 comment 0 1657

How to use css to rotate the image and display different effects when the mouse rolls over the image?

Course Introduction：This is definitely inseparable from the powerful css3 function. Not only can CSS3 images be rotated, but also special effects such as CSS rotation amplification, CSS rotation 90 degrees, and CSS image rotation 45 degrees can be achieved.

2018-08-09 comment 0 4281

Use php_imagick to resize, rotate, sharpen, reduce color or add special effects to images_PHP Tutorial

Course Introduction：Use php_imagick to resize, rotate, sharpen, reduce color or add special effects to images. php_imagick is an extension package for PHP image processing. It can complete operations such as changing the size, rotating, sharpening, subtracting colors or adding special effects to images. 1. Install the Imagick extension under windows:

2016-07-13 comment 0 1069

Detailed explanation of the steps to create a glass accordion special effect with jQuery (with code)

Course Introduction：This time I bring you a detailed explanation of the steps to create a glass-textured accordion special effect with jQuery (with code). What are the precautions for creating a glass-textured accordion special effect with jQuery? Here is a practical case, let’s take a look.

2018-04-24 comment 0 1515

PHP implements Chinese circular seal special effects_PHP tutorial

Course Introduction：PHP implements Chinese circular seal special effects. Implementing Chinese circular seal special effects with PHP. On a whim, I wrote a circular seal generator. The arc rotation of the font took a lot of effort. Finally the effect is pretty good, the code is archived. Method one: ? 1 2 3 4

2016-07-13 comment 0 1254

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