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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11309

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 17619

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 11325

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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Demolition and construction company 3 Chinese setting method

Course Introduction：The game Demolition Company 3 supports Simplified Chinese. If the game we enter is not in Chinese, we can enter the game settings, find the option to adjust the language in the settings, and change it to Chinese. Demolition and construction company 3 Chinese setting method A: Just set it in the options. 1. First start the game and select Options on the main interface. 2. Enter the Options page, find and switch to the Language item, and select Simplified Chinese as the default language. 3. After the adjustment is completed, save the settings in time. At this time, the game has been converted to the Chinese version.

2024-08-30 comment 0 478

Fuling held the first construction robot competition, with 73 companies from 18 provinces and cities competing.

Course Introduction：On November 23, the "China Construction Smart Future - The First Construction Robot Competition" opened in Fuling District, attracting 86 candidates from 73 leading companies in 18 provinces and cities including Shanghai, Guangdong, Jiangsu, Zhejiang, Hubei, Gansu, and Sichuan. Projects compete. Opening ceremony scene. Photo provided by the event organizer. When you come to the competition site, you will see a small robot accurately drawing the words "Built in China and Sharing the Future" on the ground, which attracted onlookers to praise the robot repeatedly. According to the staff, the robot It is a line marking and setting out robot, mainly used in line marking and setting out scenarios on roads, parks and sports venues. Compared with traditional manual laying-out construction, the marking and laying-out robot can increase the laying-out efficiency by more than 10 times, solving the problem of difficulty in controlling the accuracy, low efficiency and complexity of traditional manual laying-out.

2023-11-23 comment 0 1019

Norwegian telecommunications company Telenor builds 'the world's southernmost mobile phone base station' in Antarctica

Course Introduction：On February 8, Norwegian telecommunications company Telenor announced that it has opened the world’s southernmost mobile phone base station in Antarctica, marking a breakthrough in data collection and researcher safety. According to officials, the base station is located at 72 degrees south latitude, near the Troll research station. It was put into operation in February this year and can provide coverage for the Troll research station of the Norwegian Polar Institute in Antarctica. It is worth mentioning that this Norwegian telecommunications company has just launched the world's northernmost mobile phone base station - the Ny-Alesund base station located in Svalbard, Norway, at 79 degrees north latitude. Christian Skorton, head of Telenor's Svalbard branch, told AFP that the building near the research station

2024-02-15 comment 0 715

LG Electronics and Magna International joint venture to build factory in Hungary to produce electric vehicle parts

Course Introduction：This site reported on September 4 that LG Magnae-Powertrain, a joint venture between LG Electronics and Canadian auto parts manufacturer Magna International, announced on Monday that it will build an electric vehicle (EV) parts factory in Hungary. Note from this site: LGMagnae-Powertrain was established in July 2021 and currently has production bases in South Korea, China and Mexico. The plant is expected to be completed in 2025 and will be located in the northeastern city of Miskolc, covering an area of 26,000 square meters. It will produce key components for electric vehicle power systems such as motors, inverters and converters for European car manufacturers. Its CEO Cheong Won-suk said: "The factory will accelerate LG Magnae-Pow

2023-09-07 comment 0 733

How to build your own website

Course Introduction：The method to build your own website is: 1. First log in to the website building platform and select the template you need; 2. Then set the website banner and display your own products; 3. Finally, select the specified article and click [Save].

2020-04-13 comment 0 17838

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