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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11329

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 17632

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 11344

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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Background-image in CSS3 implements multiple background images (code example)

Course Introduction：The goals of this article: 1. Master the implementation issues of background-image multiple backgrounds: 1. To achieve the following effects, using pure DIV+CSS, background-image must be used. Additional instructions: 1. The overall width is 1000px, the height is 300px, and the page is required to be displayed in the center 2 The width and height of the background image are both 300px3. Each image is presented as a background image. Now let’s do the specific operations 1. Prepare the materials: Create an images folder in the root directory and store all relevant material pictures here. The materials are 2. Create index.ht...

2020-06-09 comment 0 4926

Baotu.com official website login entrance

Course Introduction：Baotu official website login entrance: https://ibaotu.com/. Baotu.com is an online material trading website owned by Shanghai Baotu Network Technology Co., Ltd. It was launched in July 2016. The main service is to provide materials in the form of pictures, videos, audios, psd source files, etc. The content section of Baotu.com has ten categories: advertising design, photography, fonts, UI design, e-commerce Taobao, multimedia, office documents, decoration and models, illustrations and graphics, and 3D materials. Baotu.com official website login portal Baotu.com official website login portal link: https://ibaotu.com/Main categories of advertising design: posters, exhibition boards, leaflets, albums, business cards, certificates, resumes, etc.; photography: natural Scenery, business office, catering beauty

2024-06-11 comment 0 767

Where to collect Mingchao Miaoyi flowers? Where to collect Mingchao Miaoyi flowers?

Course Introduction：Where is the Mingchao Miaoyi flower collected? The Mingchao Miaoyi flower can be collected in Guixugang Market. Many friends still don’t know where to collect Mingchao Miaoyi flowers. Here we have sorted out the collection locations of Mingchao Miaoyi flowers. Let’s take a look. Where to collect Mingchao Miaoyi Flower [Material Display] The materials of Miaoyi Flower are displayed as follows: [Basic Information] Type Breakthrough Material Function is the same as the material quality of Resonator Breakthrough 1 Star Description Miaoyi Flower was once a symbol of Guixu Port City , nearly extinct when the Flame Flower was rampant. But on the outer edge of the ruins of the city, people found that Miao Yi flowers were still blooming tenaciously in their hometown. [Acquisition method] Miaoyi flowers can be collected in Guixu Port City, and their distribution in Guixu Port City is as follows.

2024-07-16 comment 0 977

Course Introduction：This article mainly introduces the detailed explanation of using PHP to call the WeChat interface to upload permanent materials. Functional requirements The company's newly opened public account needs to import all the current high-quality articles on the company's platform. Manual import will cause a lot of workload, so automatic synchronization of articles is adopted. way to achieve the effect. Development instructions WeChat open api provides an interface for adding permanent materials. This function is based on this interface for data synchronization. The interface used to obtain the permanent material list interface: material/batchget_material. New permanent material interface: material /a...

2017-06-12 comment 0 2003

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