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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11334

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 17638

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 11350

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 left and right scrolling supports image enlargement thumbnail image carousel code sharing_jquery

Course Introduction：This article mainly introduces jQuery's left and right scrolling to support image enlargement and thumbnail image carousel effect. It is recommended to everyone. Friends in need can refer to it.

2016-05-16 comment 0 1645

Example sharing of jquery implementation of image enlargement and click switching function

Course Introduction：This article mainly introduces jquery to realize image enlargement and click switching in detail. It has certain reference value. Interested friends can refer to it. I hope it can help everyone.

2018-05-15 comment 0 2841

How to set up image enlargement for wake-up images. How to set up image enlargement.

Course Introduction：The image enlargement setting in the Awakening software is an advanced function designed for users to enlarge the image size. It is designed to help users meet various needs for enlarging images without significantly reducing image quality, such as printing large-size photos. , produce high-definition display materials or adapt to the specifications of different design projects. There is a complex image processing algorithm behind this function, which is designed to optimize the amplification of pixels, maintain the clarity and details of the picture, and avoid the blur and pixelation problems caused by traditional amplification. Where is the image enlargement of the wake-up image? 1. First open the wake-up image software. After entering the photo editing page of the software, we click the [Import] button; 2. Then in the page of importing materials, we select the [picture] that needs to be retouched and click ;3. Then when we come to the photo editing page, we can see many tools.

2024-06-09 comment 0 1115

java image enlargement and reduction

Course Introduction：To enlarge the image, you need to supplement the missing pixels. Commonly used methods include

2016-12-30 comment 0 1961

How to use the picture preview plug-in in uniapp to realize the picture enlargement viewing function

Course Introduction：How to use the picture preview plug-in in uniapp to realize the picture enlargement viewing function. Specific code examples are required. With the popularity of mobile devices, pictures play an increasingly important role in our daily lives. When developing mobile applications, how to implement image enlargement viewing function has become a common requirement. Using the uniapp framework can implement such functions more quickly and is compatible with multiple platforms. In uniapp, you can use third-party plug-ins to realize the image enlargement and viewing function. The most commonly used plug-in is uni-

2023-10-20 comment 0 2100

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