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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11331

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 17634

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 11347

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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List of Nubian characters in 'Azur Lane'

Course Introduction：How long did it take to build the Nubians in Azur Lane? The Nubian is an SSR destroyer that will be installed after the Azur Lane update at the end of March 2024. So how to obtain the Nubian and how long will it take to build it? Let us find out next. Azur Lane Nubians Construction Time 1. Construction time: 00:29:002. How to obtain it: Limited time event "The Demon King's Crusade Journey from Scratch", the event time is from March 28th to April 11th after the maintenance period. Inside, buildable: Nubian Ultra Rare 2% 3. About the new ship I am a Nubian, the master of potion brewing! Which potion do you want, Commander?

2024-04-06 comment 0 596

Nubia

Course Introduction：I have long heard that Nubia is going to hold a new product launch conference. However, the specific press conference time has been kept confidential, and the answer was revealed today. Let’s take a look, when will the Nubia AI+ dual flagship new product launch conference be scheduled? Nubia's AI+ dual flagship new product launch conference was officially announced today at 14:00 on July 23, with the slogan "AI star species, comprehensive super upgrade". According to Nubia’s official warm-up summary, Nubia will launch a new generation of Z series flagship mobile phones. Nubia officially stated that this new phone will be equipped with the leading version of Qualcomm Snapdragon 8Gen3, which is called "AI". According to major bloggers and sources, the new Nubia Z series phones continue the "true full screen" design of the imaging flagship + 1.5K under-screen camera, and will also launch an art version.

2024-08-17 comment 0 872

Nubian Image King! Nubia Z60 Ultra Photographer's Edition released: 4,299 yuan

Course Introduction：According to news on April 9, the Nubia Z60 Ultra Photographer’s Edition was officially released this afternoon, priced at 4,299 yuan (16GB+512GB). Nubia product manager Liu Bin said that imaging has always been Nubia's original intention. They are committed to allowing everyone to become a photographer, take high-quality photos at will, and realize the dream of "taking the world with one machine". In terms of appearance design, the Nubia Z60 Ultra Photographer Edition adopts a design that pays tribute to classic cameras. The unique skin-textured glass, combined with the fifth-generation under-screen camera technology, brings flagship-level appearance and imaging performance. In terms of imaging, the Nubia Z60 Ultra Photographer Edition is equipped with a 50 million 18mm starry sky main camera, a 50 million 35mm humanities main camera and a 64 million 85m main camera.

2024-04-09 comment 0 883

Nubia's first foldable screen phone nubia Flip 5G is officially announced and will be unveiled at MWC 2024

Course Introduction：IT House reported on February 22 that Nubia today officially announced that its first folding screen mobile phone, nubia Flip 5G, will be unveiled at the MWC2024 exhibition in Barcelona. The 2024 ZTE terminal series new product launch conference will be held on February 26. As you can see from the poster, the phone adopts a vertical small folding design with a circular external screen on the back. According to previous reports from IT House, ZTE has previously launched a similar-looking Libero Flip mobile phone in Japan, and this time it is expected to be a renamed model. LiberoFlip uses the Snapdragon 7Gen1 mobile platform and only offers 6GB+128GB storage configuration options; it uses a 6.9-inch internal screen with a resolution of 2790x1188 and a 1.43-inch 466x

2024-08-21 comment 0 874

2999 yuan! Is Nubia Filp going to overturn the folding screen market?

Course Introduction：On April 9, 2024, Nubia held its 2024 spring new product launch conference. Lei Technology was invited to participate and report, and witnessed with everyone that Nubia started the "AIFORALL" era. Source: Nubia At this conference, Nubia brought three mobile phones: Nubia Z60 Ultra Photographer’s Edition, Nubia Flip and Nubia Mavericks. Among them, the Nubia Z60 Ultra Photographer Edition has been officially released before, and the 16GB+512GB version is priced at 4,299 yuan for a limited time. These three products have different positionings, but they share a common feature: AI. Nubia officially stated that it will integrate AI technology into every product and make AI popular to all people. This is also Nubia’s next key product direction. 7mm, extremely thin

2024-04-10 comment 0 447

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