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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11328

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 11341

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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TP6 Driver [Think] not supported solution

Course Introduction：When I was working on a project this morning, I quoted the thinkPHP6.0.5 framework, and the following problem occurred when referencing the view: Then check the official manual, which explains it like this: Tell us that the new version no longer has a built-in think-template template engine. If necessary To use the official ThinkPHP template engine, you need to install the think-view template engine driver extension separately. Therefore, enter the root directory of the project and install the think-view template engine driver extension through composer. composer &...

2020-11-11 comment 0 6037

With a total investment of 63 billion yuan, BOE laid the foundation for China's first 8.6-generation AMOLED production line

Course Introduction：According to news from this website on March 27, today, BOE’s first domestic and first batch of 8.6-generation AMOLED production line project in the world was officially laid in Chengdu. The total investment of the project is approximately 63 billion yuan, which is the largest single investment in the history of Sichuan’s industrial development. largest manufacturing project. The plan for BOE’s Chengdu 8.6th generation AMOLED production line project is to complete the capping of the factory in December 2024, start moving in equipment in September 2025, realize AMOLED product lighting in May 2026, and plan to start mass production in October 2026. After the project is completed and put into operation, the annual output value is expected to exceed 40 billion yuan. By then, Chengdu will become the world's production base for medium-sized OLED display devices, with leading technology and the largest production capacity. According to public information, BOE

2024-03-28 comment 0 1010

National Railway Administration: Will promote a wider range of 'four-network integration' based on the pilot 'four-line connection' in the Guangdong-Hong Kong-Macao Greater Bay Area

Course Introduction：According to news from this website on July 10, across five cities including Guangzhou and Dongguan, the Guangzhou-Foshan South Ring Road and Foshan-Dongguan City Intercity were officially opened for operation on May 26 this year. Connected to achieve “four-line connectivity”. The fourth line in operation this time has a total length of 258 kilometers and connects 5 of the 11 cities in the Greater Bay Area. This model of building a rail transit network based on urban agglomerations is the first of its kind in the country. This line has become the longest urban railway in Guangdong, passing through the five cities of Zhaoqing, Foshan, Guangzhou, Dongguan and Huizhou. One of the highlights of this line is that the entire line is operated by public transportation. Passengers can go wherever they go without having to buy tickets in advance. Details can be found in previous reports on this site. The total GDP of the five cities along the route, Guangzhou, Foshan, Zhaoqing, Dongguan and Huizhou, exceeds 60,000

2024-07-17 comment 0 295

The third-party authorized after-sales service center for Godox series film and television lamps was established: Beijing/Shanghai/Hengdian/Chengdu, original component repair

Course Introduction：According to news from this website on July 22, Godox officially issued a document today announcing that the third-party authorized after-sales service center for the Noli series of film and television lights has been established in four cities: Beijing, Shanghai, Hengdian and Chengdu, providing site services and radiating to surrounding cities. According to reports, Godox's third-party authorized after-sales service center provides after-sales maintenance for the Noli series of film and television lamps. Service personnel can repair various models of the Noli series of film and television lamps. The parts provided by the after-sales service are all original components and are shipped by the Godox manufacturer. The after-sales addresses in each city of this site are as follows: Beijing Address: Office Area, No. 20 Xinde Street, Xicheng District, Beijing Shanghai Address: Room 501, 5th Floor, Building A, No. 1128 Jindu Road, Minhang District, Shanghai Hengdian Address: Dongyang City, Jinhua City, Zhejiang Province Hengtongbo next to Building B of Yingdu Hotel, Hengdian Town

2024-07-23 comment 0 559

PHP date and time application 1: Simple implementation of birthday countdown days

Course Introduction：When we develop city-type projects, we usually have the need for countdowns to similar events. So today we won’t talk about the complexity. Let’s learn from the simplest birthday countdown~

2021-07-28 comment 0 3624

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