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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11273

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 17597

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 11309

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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It is reported that Realtek 5GbE wired network card chip RTL8126-CG has stability issues and will be postponed to next year

Course Introduction：According to news from this site on August 24, most technology manufacturers displayed some new or upcoming new products at Gamescom. For example, ASRock showed its "half-generation" updated version of the Z790 motherboard. These new motherboards use The RTL8125-BG chip is used instead of the RTL8126-CG used in the prototype at the Computex show in June. According to Dutch media Tweakers, a number of motherboard manufacturers participating in Gamescom revealed that although Realtek's 5GbE wired network card chip RTL8126-CG is cheaper, it will not be installed on motherboards launched this fall due to stability issues. Realtek is said to be fixing this type of issue, but they won't be able to fix it before the new motherboards come out this fall

2023-08-25 comment 0 675

The era of three-fold screens is here! It was revealed that two major manufacturers are ready to take off: one is Huawei

Course Introduction：According to news on July 8, blogger Digital Chat Station hinted that Huawei will launch the world's first tri-folding screen mobile phone, using an inward folding + outward folding solution, with a double hinge design, and the screen size is expected to be around 10 inches. This new three-fold form will completely change the use methods and scenarios of "mobile phones". When fully unfolded, the mobile phone will be comparable to a tablet and can even handle some office needs. It will also refresh the "mobile phone" experience in terms of audio and video experience, becoming a mobile phone. home theater. It is worth noting that Huawei is not the only manufacturer developing a three-folding screen. Blogger and factory director Shi Guan classmate broke the news. Another brand has also completed a three-folding screen, and new products are ready to be launched. Some netizens speculated that this brand should be Honor. Zhao Ming previously revealed in a live broadcast that

2024-07-15 comment 0 1090

Douyin e-commerce is testing an AI shopping assistant based on the Skylark large model algorithm

Course Introduction：According to news from this site on May 16, Douyin e-commerce is currently developing the first AI e-commerce service "A Shopping Assistant" for C-ends. It has already begun grayscale testing in Douyin Mall. It is a product that has problems with Taobao. Q. What are similar AI shopping guide products in Beijing and Tokyo? Users of the Youmaimai platform reported that the business has been under development since the second half of last year, with the Shanghai team in charge, hoping to create AI star products that serve Internet-level users and improve user purchasing experience and business efficiency through AI technology. Tech+Planet stated that the “AI Shopping Assistant” had been tested on a small scale at the end of last year, and the algorithm recommendation mechanism was based on the Skylark large model algorithm. This site noticed that Douyin also launched a new app called “Douyin Mall Edition (now

2024-06-12 comment 0 497

How to install win7 operating system on computer

Course Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0 1166

php-insertion sort

Course Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0 1023

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