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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

Course Advanced 17635

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 11348

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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PHP image processing function class (watermark, thumbnail) [About proportional compression and cropping compression]

Course Introduction：PHP image processing function class (watermark, thumbnail) [About proportional compression and cropping compression]

2016-07-25 comment 0 991

PHP image operation class, supports generating thumbnails, adding watermarks, and uploading thumbnails

Course Introduction：PHP image operation class, supports generating thumbnails, adding watermarks, and uploading thumbnails

2016-11-29 comment 0 1957

How to process image watermarks and thumbnails in PHP development?

Course Introduction：How to deal with image watermarks and thumbnails in PHP development Summary: Regarding the need to process images in PHP development, common problems include adding watermarks and generating thumbnails. This article will introduce how to use PHP's GD library to implement image watermarks and thumbnails to help developers solve these problems. Introduction In web development, processing images is a common requirement. Whether it is a website banner or a personal photo album, there will be requirements to add watermarks and generate thumbnails. These functions can be easily implemented using PHP's GD library. This article will

2023-06-30 comment 0 1122

PHP image upload class; supports watermark-date folder-generated thumbnails, supports multiple file uploads

Course Introduction：PHP image upload class; supports watermark-date folder-generated thumbnails, supports multiple file uploads

2016-07-25 comment 0 981

Encapsulation of adding, compressing and cutting PHP image watermarks

Course Introduction：: This article mainly introduces the encapsulation of adding, compressing, and cutting PHP image watermarks. Students who are interested in PHP tutorials can refer to it.

2016-07-30 comment 0 931

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