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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11324

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 17631

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 11335

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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Honor flagship mobile phone imaging experience upgrade: new features such as streamer shutter, three image styles, etc.

Course Introduction：According to news on July 31, Honor officially announced that the imaging experience of its flagship mobile phone has been upgraded, adding 7 new functions such as AI elimination, streamer shutter, and three image styles. The official has now released a function demonstration video. Details of the Honor flagship mobile phone image experience upgrade include new AI elimination, new streamer shutter: busy traffic, light painting graffiti, silk flowing water, brilliant star track time-lapse photography mode, new custom adjustments: speed/duration settings, professional parameter adjustment, three new Image style: natural, vivid, and textured Camera watermark editable: remove or add watermark with one click Added 16:9 photo aspect ratio Added camera telephoto picture-in-picture split-screen function Honor has launched the third wave of MagicOS8.0 upgrade push , newly added YOYO Morning News, Smart Capsule Meituan Takeaway and Baidu Map Cycling Services, covering Honor’s

2024-08-01 comment 0 635

Changan Automobile debuted at the Chengdu Auto Show and released the new dark blue SL03 pure electric model

Course Introduction：On August 25, 2023, at the Chengdu International Auto Show, Changan Automobile officially launched the new dark blue SL03 pure electric model. This car uses the Changan EPA1 pure electric platform, and has attracted the attention of many auto show visitors with its excellent appearance, interior and power performance. The new dark blue SL03 has significant improvements in appearance design. The front of the car uses a unique closed grille and split headlights, equipped with petal-shaped daytime running lights and interactive lights. The latter is composed of 264 LED light sources and can display vehicle information and animation effects. The body shape is fastback and fashionable, and the application of hidden door handles further improves the streamlinedness of the vehicle, making the wind resistance coefficient reach 0.23Cd. The installation of 19-inch Y-shaped wheels further increases the vehicle’s technology

2023-09-06 comment 0 1261

What can html5 be used for?

Course Introduction：HTML5 introduces new features to revolutionize the web experience: Responsive design: Automatically adjust the website to fit various device screen sizes. Multimedia support: Directly embed video, audio, motion graphics and photorealistic 3D scenes. Offline browsing: Allows web applications to run when there is no network connection. Form enhancement: Provides new form control types and form validation to ensure data validity. Geolocation: Allows access to users' geographical location data to implement location-based services. Security enhancements: Protect web applications from attacks with encryption, CSRF protection, and CSP.

2024-04-05 comment 0 791

'Mud Run' will be launched on the WeGame platform on June 7

Course Introduction：June 1, 2024 – Are you ready to conquer muddy terrain and challenge your driving skills in extremely harsh environments? "Mud Run" will be launched on the WeGame platform on June 7, priced at 78 yuan, with an immediate 50% discount for the first release! Pre-order now for 55% off and support pre-loading! In the game, players can drive 19 powerful all-terrain vehicles, each with its own characteristics and additional equipment. The game supports a dynamic day and night cycle system, allowing players to complete goals and deliver goods in extremely harsh environments. Explore an immersive sandbox environment with improved graphics. Players need to overcome muddy terrain, raging rivers and other obstacles. These experience effects are driven by an enhanced version of the physics engine, based on the weight and driving speed of the player's vehicle.

2024-06-06 comment 0 537

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