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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11207

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 17548

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 11262

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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Home appliance industry observation: With the support of AI, will whole-house intelligence become the future of smart home appliances?

Course Introduction：If artificial intelligence is compared to the fourth industrial revolution, then large models are the food reserves of the fourth industrial revolution. At the application level, it allows the industry to revisit the vision of the Dartmouth Conference in the United States in 1956 and officially begins the process of reshaping the world. According to the definition of major manufacturers, AI home appliances are home appliances with interconnection, human-computer interaction and active decision-making capabilities. AI home appliances can be regarded as the highest form of smart home appliances. However, can the AI-powered whole-house smart model currently on the market become the protagonist of the industry in the future? Will a new competition pattern emerge in the home appliance industry? This article will analyze it from three aspects. Why does the whole house intelligence sound louder than rain? Source: Statista, Zhongan.com, iResearch Consulting, Luotu Technology, National Lock Industry Information Center

2023-06-13 comment 0 1248

How to add devices to Haier Smart Home? Introduction to adding methods

Course Introduction：Haier Smart Home is a very professional smart home appliance service software. Through this software, you can connect to the smart home appliances in your home, and then you can control the home appliances through your mobile phone, and you can also check the usage of the home appliances at any time. Some users don't know how to add home appliances when using the software. Let me introduce the adding method to you. [Operation Steps] 1. Enter the Haier Smart Home app and click Register/Login above to log in 2. Select the relevant login method to log in 3. After successful login, click Smart Home below to enter Smart Home and click Add Device above 4. Enter To add a device, click Manual Add, select the relevant Haier device, and enter the device code on the device to add it.

2024-02-14 comment 0 1092

Where is the mall of Douyin web version?

Course Introduction：The Douyin web mall is located in the "Mall" link under the "Products" drop-down menu in the upper left corner of the homepage. The mall provides a large number of products, covering clothing, beauty, home furnishings, food, electronic products, etc., and supports product search, category browsing, shopping cart, online payment and after-sales service.

2024-04-12 comment 0 669

What is the use of Xiaomi 499 motor?

Course Introduction：Xiaomi 499 motor uses: 1. Used to drive home appliances. It can be connected to various household appliances, such as washing machines, refrigerators, air conditioners, etc., to drive their normal operation by providing power; 2. Used to drive mechanical equipment, regardless of Whether it is robots on industrial production lines or smart warehousing equipment, they can provide them with the required power; 3. Used as drivers for smart home systems, such as smart light bulbs, smart curtains, etc., making smart home devices more intelligent and convenient Respond to user instructions in a professional manner; 4. Experimental equipment drivers for scientific research laboratories, etc.

2023-09-21 comment 0 1589

State Administration for Market Regulation: my country has basically established the infrastructure for a national standard system for home appliances suitable for the elderly

Course Introduction：According to news from this site on October 23, according to the State Administration for Market Regulation, in recent years, the State Administration for Market Regulation (National Standards Administration) has actively played a leading role in standards, adapted to the needs of "silver hair", strengthened the supply of age-appropriate transformation standards, and formulated and issued the "Applicable Standards" General Technical Requirements for Home Appliances for the Elderly" (GB/T40443-2021), "Smart Home Appliances System Architecture Model for Life Assistance for the Elderly" (GB/T40439-2021), "Smart Home Appliances for Life Assistance for the Elderly" National standards for age-appropriate home appliances such as General System Safety Requirements (GB/T41529-2022) have basically established the infrastructure of the national standard system for age-appropriate home appliances products and systems. Image source: Pexels. The official introduction to this site is as follows:

2023-10-23 comment 0 619

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