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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11356

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 17659

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 11370

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 rotate and enlarge

Course Introduction：With the advancement of Internet technology, web design is becoming more and more creative. In design, it is often necessary to use image rotation and magnification effects to enhance the visual effect of the page. This is also an effect that most designers like very much. Therefore, in this article, we will introduce how to rotate and enlarge images using jQuery. 1. Realize the rotation effect of the image. Before realizing the rotation effect, we first need to have a certain understanding of the jQuery.rotate.js plug-in. This plug-in is a JavaS developed based on jQuery

2023-05-12 comment 0 700

PHP image processing (zoom, crop, scale, flip, rotate, transparent, sharpen)_PHP tutorial

Course Introduction：PHP image processing (scaling, cropping, zooming, flipping, rotating, transparency, sharpening). This article summarizes some commonly used image processing functions for students, including scaling, cropping, scaling, flipping, rotating, transparency, and sharpening functions. You can refer to them for reference. Things to note

2016-07-13 comment 0 988

PHP image operations: 3D images, zooming, rotating, cropping, adding watermarks (3)_PHP tutorial

Course Introduction：PHP image operations: 3D images, zooming, rotating, cropping, adding watermarks (3). PHP image operations: 3D graphics, scaling, rotation, cropping, adding watermarks (3) Source: http://www.ido321.com/887.html 5. PHP rotation of images 1: 2: Before rotation 3: 4: 5: 6: header("

2016-07-13 comment 0 1104

How to use vue to crop images while enlarging, reducing, and rotating them (detailed tutorial)

Course Introduction：This article mainly introduces how Vue can crop pictures while enlarging, reducing, and rotating functions. Now I share it with you and give it a reference.

2018-06-02 comment 0 5033

Complete collection of PHP image processing functions (summary of examples of scaling, cropping, zooming, flipping, rotating, transparency, and sharpening)_PHP Tutorial

Course Introduction：A complete collection of PHP image processing functions (summary of examples of scaling, cropping, zooming, flipping, rotating, transparency, and sharpening). 1. Create image resources imagecreatetruecolor(width,height); imagecreatefromgif(picture name); imagecreatefrompng(picture name); imagecreatefromjpeg(picture name); draw various images

2016-07-20 comment 0 972

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