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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11220

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 17566

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 11276

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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Top ten computer sales in 2021?

Course Introduction：Laptop brand ranking TOP1001, Lenovo/Lenovo Company name: Lenovo Group Founded: 1984 Company profile: Founded in 1984, the world's top personal equipment supplier, a Fortune 500 company, and one of the world's top brands of mobile phones and laptops , mainly engaged in R&D, production and sales of electronic products, such as smartphones, tablets, personal computers, servers, workstations, storage devices and IT management software. 02. HP/HP Company name: China Hewlett-Packard Co., Ltd. Founded: 1939 Company Profile: The world's largest electronics and computer company and one of the world's top 500 companies. Founded in 1939, the company mainly develops, produces and sells notebook computers, all-in-one computers, and desktop computers.

2024-04-23 comment 0 923

Does Huawei have any tablets or phones?

Course Introduction：1. Does Huawei have a tablet phone? Whether Huawei has a tablet phone is a question that many consumers often ask. As a leading global technology company, Huawei has been committed to promoting the development of smartphones and tablets since its establishment. Huawei's product line covers a variety of smart devices, from mobile phones to tablets to smart wearable devices, and has been widely recognized. Huawei Tablet Computer Among Huawei's products, tablet computers are a category of products that have attracted much attention. Huawei's tablet series includes various models and specifications to meet the needs of different users. Whether used for entertainment, work, or study, Huawei's tablets offer excellent performance and user experience. Huawei tablets have beautiful designs, excellent screen displays, and smooth operations, and are deeply loved by users.

2024-08-14 comment 0 305

Which brand of tablet computer is better (ranking list of desktop computers and tablet computers)

Course Introduction：Tablets have become an indispensable part of our lives with the continuous advancement of technology. We all cannot live without tablets, whether for work or entertainment. Do you know which tablet brand is good, but? And exploring the pros and cons of each brand, this article will rank the tablets of 2021. 1. Apple’s tablet products are famous for their high quality and innovative features. Apple (Apple) is a well-known technology company. Apple is known for its excellent performance and reliability, whether it is MacBook or MacBook Air. 2. Samsung Samsung is a company focused on innovation and design. Samsung has always been known for its excellent display technology and excellent performance in the tablet field. Also has

2024-04-11 comment 0 812

Framework makes 3D CAD design files for modular 16-inch laptop open source

Course Introduction：IfyouowntheFramework16anda3Dprinter,youcannowmakeyourowncustomaccessoriesforthelaptop.Thecompanyhasopen-sourced3DCADdesignfiles,whichaddsanewstandoutelementtothemodel.This,accordingtoFramework,willenableyoutom

2024-06-14 comment 0 1198

Quotation for scrap computer motherboards?

Course Introduction：According to public information, the recycling price of computer motherboards varies depending on factors such as region, brand, and quality. The following are some reference quotes: 1. Zhengzhou Kejin Machinery Equipment Co., Ltd.: waste electrical appliance recycling, waste mobile phone IPAD smart motherboard recycling, waste electronic motherboard resource recycling station, Alipay transactions. The price varies according to the motherboard's brand, quality, usage and other factors, and the approximate range is between ¥500-¥7,000. 2. Feiteng Renewable Resources Recycling Station in Xixiang, Baoan District, Shenzhen City: Various motherboards and electronic boards are recycled, and manufacturers purchase waste motherboards and semi-finished products in large quantities. The price varies according to the motherboard's brand, quality, usage and other factors, and the approximate range is between ¥100-¥1,000. 3. Dingyuan Renewable Resources (Shenzhen) Co., Ltd.: Accounting destruction, documents

2024-06-09 comment 0 749

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