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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 11339

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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Digital accessories company Lulian was listed on the GEM of the Shenzhen Stock Exchange today.

Course Introduction：According to news from this site on July 26, digital accessories brand Lulian was listed on the GEM of the Shenzhen Stock Exchange today and officially released a celebration poster. The stock code of Lulian Technology is SZ301606. Its issuance price is 21.21 yuan per share, and its issuance price-to-earnings ratio is 24.0 times. It opened 88% higher on the first day. As of the publication of this website, its stock price has reached 42.58 yuan, and its total market value has reached 17.712 billion yuan. According to the official profile, Shenzhen Greenlink Technology Co., Ltd. was established in March 2012. It is a high-tech enterprise specializing in the design, production and sales of digital peripheral related products and a global brand of 3C peripheral products. Lulian Technology's products mainly include: mobile phone peripherals, computer peripherals, audio and video peripherals, vehicle peripherals, home life peripherals and industrial control accessories and other categories. Its products

2024-07-26 comment 0 1038

Review: Nanoleaf Debuts New Matter-Connected Outdoor String Lights

Course Introduction：Popular home lighting company Nanoleaf today introduced its latest product, Smart Multicolor Outdoor String Lights that bring HomeKit-compatible decorative lighting to decks, porches, backyards, gardens, pool areas, and more.Nanoleaf is known for uni

2024-08-09 comment 0 423

Shenzhen Tablet PC Manufacturers - How to choose a high-quality tablet PC manufacturer?

Course Introduction：1. Shenzhen Tablet PC Manufacturers - How to choose a high-quality tablet PC manufacturer? Market Overview In recent years, with the development of the smart technology industry, tablet computers have become increasingly popular in the consumer market. As one of the pioneers in China's technology industry, Shenzhen has many tablet computer manufacturers. How to choose a high-quality tablet manufacturer? When choosing a suitable tablet manufacturer, consumers need to consider the following factors: Product quality: High-quality manufacturers will pay attention to product quality control, and consumers can understand product quality by viewing product certifications, test reports, etc. Production capacity: Understand the manufacturer's production capacity and scale to ensure timely supply. R&D strength: The company's R&D strength directly determines the innovation and competitiveness of the product. Consumers should choose products with rich R&D experience.

2024-08-19 comment 0 782

Philips Hue launches new smart color Slim recessed lights

Course Introduction：Philips Hue has recently launched new smart Slim recessed lights in Europe. The company suggests that the product could work well in many areas of your home, with its thin profile and black or white frames helping it to blend into the ceiling. Plus,

2024-06-24 comment 0 1147

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