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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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Analyst agency: China's gaming market's total revenue last year was US$45.5 billion, accounting for 1/3 of the world's

Course Introduction：According to news from this site on August 22, according to the latest report released by NikoPartner, the total revenue of my country's PC, mobile games and console game markets in 2022 will be 45.5 billion US dollars (this site's note: currently about 331.695 billion yuan). In terms of PC games, the company stated that "China remains the world's largest market, and one-third of global PC game revenue comes from domestic spending." China's PC game revenue in 2022 will be US$14.2 billion (currently approximately 103.518 billion yuan). ▲Image source NikoPartner Company In terms of mobile games, 31% of the total game expenditures of domestic players are mobile games. China is also the world’s largest mobile game market, with 31.7% of global mobile game revenue coming from domestic spending, 202

2023-08-23 comment 0 1297

2024Q2 India PC battle report: HP increased by 8.9% year-on-year, Lenovo increased by 16.2%, Dell increased by 3.3%, Acer increased by 38.3%, and Asus increased by 5.4%

Course Introduction：News from this site on August 20, according to the latest report released by market research agency IDC, the shipment volume of India’s traditional PC market in the second quarter of 2024 was 3.39 million units, a year-on-year increase of 7.1%, of which desktops, laptops and workstations were The year-on-year growth rates of major product categories were 5.9%, 7.4% and 12.4% respectively. The report pointed out that in the second quarter of 2024, the consumer market grew by 11.2% year-on-year due to strong demand from both online and offline channels. Online retail channels grew by 22.4% year-on-year. The commercial sector grew by 3.5% year-on-year, with small and medium-sized enterprises (SMB) growing by 12.4% year-on-year and large enterprises (LB) growing by 33.1% year-on-year. The report information attached to this site is as follows: Hewlett-Packard Hewlett-Packard Co., Ltd. was named 33.

2024-08-20 comment 0 621

Tatsuo Eguchi, President of Sony Interactive Entertainment (Shanghai) Co., Ltd.: In China, players' favorite game is 'Genshin Impact”

Course Introduction：According to news from this site on August 2, at the China Joy 2023 game exhibition, Japanese media 4Gamer interviewed Tatsuo Eguchi, chairman and president of Shanghai Sony Interactive Entertainment (SIE). In the interview, Tatsuo Eguchi revealed the business status of PlayStation consoles in the Chinese market, and praised miHoYo's influence in the game industry. The following is the relevant interview content compiled by this site: Tatsuo Eguchi said that China has now It is the world's largest game market, but the market is still dominated by mobile games, followed by PC games. Home game consoles are still a minority in the Chinese market. Although the spread speed of PS5 is twice that of PS4, China is still in a "The stage of promoting console games." For example, at the ChinaJoy Sony booth

2023-08-05 comment 0 1298

Jiangsu Times Memory Wafer Factory fell into bankruptcy proceedings, and no one bought the lithography machine at the auction

Course Introduction：According to news from this site on August 28, according to public information from the National Enterprise Bankruptcy and Reorganization Case Information Network, Jiangsu Times Xincun Semiconductor Co., Ltd. has officially entered the bankruptcy liquidation process. This 12-inch wafer fab with a total planned investment of 13 billion yuan has previously It once said that it is "determined to create an annual output of 100,000 pieces of phase change memory." After inquiries, this site learned that the People's Court of Huaiyin District, Huai'an City, Jiangsu Province officially accepted the bankruptcy liquidation case of Jiangsu Times Xincun Semiconductor Co., Ltd. in July 2023, and conducted a public auction for an ASML lithography machine of the company. It is reported that, The price of this second-hand ASML lithography machine purchased by Times Xincun is US$28.68 million (note on this site: currently about 209 million yuan). ▲Picture source National Enterprise Bankruptcy and Reorganization Case Information Network However, according to Huaihe, Jiangsu Province

2023-08-29 comment 0 1515

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