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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11332

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 17635

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 11348

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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Analysis of shopping mall order payment and refund process developed by PHP

Course Introduction：Analysis of the mall order payment and refund process developed by PHP In today's e-commerce field, order payment and refund are one of the most critical links in the mall system. This article will use the mall system developed in PHP as an example to analyze the order payment and refund process in detail, and provide corresponding code examples. 1. Order payment process The user places an order. After browsing to the desired product in the mall system, the user selects to place an order and fills in the corresponding order information. After the user clicks to confirm payment, the mall system generates a unique order number and stores the order information in the database. pay

2023-07-02 comment 0 1184

What should I do if the Win10 App Store cannot download XBOX?

Course Introduction：XBOX is a game platform that comes with computers. Here users can directly click on the app store to download. Recently, many users have reported that the Win10 app store cannot download XBOX. What should I do? Users can check to see if their version number is low. Let this site carefully introduce to users the analysis of the problem of being unable to download XBOX from the Win10 App Store. Analysis of the problem that XBOX cannot be downloaded from the Win10 App Store 1. First, check the system requirements to see if the version number is low. If the version number is low, it is recommended that you upgrade to the latest version of the Win10 system. 2. The device must be connected to the app store.

2024-02-11 comment 0 1050

Instrospect launches world's first GDDR7 graphics memory test system

Course Introduction：According to news from this website on March 28, Introspect Technology announced the launch of the world's first GDDR7 video memory test system, which supports large-scale parallel, 72-channel, 40Gbps PAM3ATE-on-Bench testing, claiming to provide the fastest time to market for video memory and GPU manufacturers. Introspect has delivered the M5512GDDR7 video memory test system, which it claims is the world's first commercial solution for testing JEDEC's new JESD239 Graphics Double Data Rate (GDDR7) SGRAM specification. The system enables graphics memory engineers, GPU design engineers, product engineers in the memory and GPU areas, and system integrators to quickly launch new

2024-03-28 comment 0 1266

How about Shuoyang computer assembly? Is JD Shuoyang good at assembling computers?

Course Introduction：How about Shuoyang computer assembly? Shuoyang is very good at assembling computers. Shenzhen Shuoyang Computer Assembly Factory was established on June 9, 2020. The registered capital is 100,000. The investor is Cui Zhiwei. The business status is continuing. The industrial and commercial registration number is 440300210427801. The registered address is Xintian Community, Guanhu Street, Longhua District, Shenzhen City. Factory Building 301-A1, Building B, No. 17, Innovation Industrial Park, the business scope includes general business items: R&D, processing, production, sales: electronic products, hardware products, computer peripherals and accessories. Is JD Shuoyang good at assembling computers? I just bought a Shuoyang computer on November 1, and the price was much cheaper than buying it in a physical store. I was hesitant at first, but I bought it on JD.com, and it was still guaranteed.

2024-04-28 comment 0 741

Shenzhou releases new Ares T8 16-inch laptop: i9-14900HX upgraded, RTX 4060 140W, priced at 8,999 yuan

Course Introduction：According to the news from this site on January 11, according to the official public account of "Shenzhou Computer Hasee", Shenzhou Computer today launched the new Ares T8 (T8D94) gaming notebook, which mainly upgrades the 14th generation Core i9-14900HX processor, and other configurations are the same as the previous generation. This site found that this notebook is currently only available on the Shenzhou Computer Douyin/Kuaishou official flagship store, and is not yet available on JD.com, Tmall and other malls. According to reports, this notebook is equipped with a 16-inch 2.5K display with a screen ratio of 16:10, a refresh rate of 240Hz, covering 100% sRGB color gamut, and a maximum brightness of 500 nits. In addition, this notebook uses a "full blood" 140W NVIDIA RTX4060 graphics card, equipped with 32GB DDR5 running memory, 1TBSSD, and is equipped with

2024-01-11 comment 0 1251

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