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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 11326

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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PowerA Zhanlong Pro wireless controller is now available: liftable Hall rocker, multi-gamut RGB lighting effects

Course Introduction：According to news from this site on July 10, peripheral manufacturer PowerA has announced that the Zhanlong Pro wireless controller, which will be released at BW2024 on July 12, is now on the shelves, with the current price on the page being 649 yuan. Compared with the Zhanlong wireless controller, the Zhanlong Pro adds multi-light domain RGB lighting effects, supporting the combination of 4 independent light domains and 3 different light effects. In addition, this controller also uses a rotary liftable Hall rocker, which provides three gears to adapt to different types of games: Low rocker: for quick moves in fighting games. Medium rocker: high rocker for various games. : Precise control of racing games Through the PC application, users can adjust the joystick dead zone and sensitivity of the Zhanlong Pro controller. This website noticed that this handle is also equipped with a three-stage adjustable Hall linear trigger with a lifespan of 5 million times and a 0.3

2024-07-16 comment 0 1026

First sale of Gaoshi X3 Pro Northern Lights stretch handle: micro button + Hall rocker, 469 yuan

Course Introduction：According to news from this site on August 19, the X3Pro Northern Lights controller will go on sale on JD.com at 18:00 tonight. The controller features "micro buttons + Hall rocker", with an initial price of 469 yuan. According to reports, the Xiaoji X3Pro Northern Lights controller is equipped with a Hall rocker to avoid rocker drift. It is equipped with 12 micro buttons and provides 5 elite replacement accessories to support users in changing the operating feel. The handle has a stretch design that can be adapted to mobile devices. This website noticed that JD.com’s product details page shows that the handle is equipped with dual motors, supports wired and Bluetooth connections, and is suitable for use on Android, PC, and Apple devices.

2024-08-19 comment 0 892

469 yuan, Gaoshi X3 Pro Northern Lights Stretch Handle First sold on August 19: Micro buttons + elite accessories + Hall rocker

Course Introduction：According to news from this site on July 21, the Xiaoji X3Pro Northern Lights controller has now started pre-sale on JD.com. The controller features "micro buttons + Hall rocker" and the pre-sale price is 469 yuan. It will be available for sale on August 19. for sale. According to reports, the Xiaoji X3Pro Northern Lights controller is equipped with a Hall rocker to avoid rocker drift. It is equipped with 12 micro buttons and provides 5 elite replacement accessories to support users in changing the operating feel. The handle has a stretch design that can be adapted to mobile devices. This website noticed that JD.com’s product details page shows that the handle is equipped with dual motors, supports wired and Bluetooth connections, and is suitable for use on Android, PC, and Apple devices.

2024-07-21 comment 0 1166

Feizhi Octopus 4 'Black Myth: Wukong ' co-branded controller is available for pre-sale for 699 yuan: 'world's first' force-adjustable alloy rocker, black and gold color

Course Introduction：According to news from this site on August 19, Feizhi Octopus 4's "Black Myth: Wukong" co-branded controller was released on August 16. Pre-sale is now open on JD.com. The controller features the "first force-adjustable alloy rocker". The price is 699 yuan. This website learned from the product page that the Feizhi Octopus 4 "Black Myth: Wukong" co-branded handle uses black gold color, the surface shell has a wooden texture, and the grip has an armor pattern. The product is equipped with a customized metal nameplate, customized rocker cap, and customized On-screen animations, plus lightweight metal D-pad keys. In terms of main configuration, Feizhi Octopus 4 handle features the world's first force-adjustable alloy rocker, with freely adjustable rocker strength (30-100gf without damping adjustment), and the country's first force feedback trigger, which can automatically change force feedback according to the real-time scene status of the game. Effect, adapted 4

2024-08-19 comment 0 640

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