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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11340

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 17643

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 11352

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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How to connect an Android phone to a Mercedes-Benz

Course Introduction：1. How to connect your Android phone to a Mercedes-Benz car? How to connect your Android phone to a Mercedes-Benz car? With the continuous development of technology, smartphones have become an indispensable part of people's lives. As a representative of luxury car brands, Mercedes-Benz naturally needs to achieve better connection and interaction with smartphones. For users who own Mercedes-Benz cars, connecting their mobile phones to their cars can bring more convenience and fun. So, how to connect your Android phone to a Mercedes-Benz car? 1. Confirm that your Mercedes-Benz car supports connection. First, you need to confirm whether your Mercedes-Benz car supports connection with Android phones. Most new Mercedes-Benz cars have the ability to connect to smartphones, especially those that support Bluetooth connectivity and CarPlay. You can use the vehicle

2024-08-08 comment 0 447

Mercedes-Benz releases new sedan Mercedes-Benz CLE Coupé, which will replace C-Class and E-Class models

Course Introduction：According to news on July 3, Mercedes-Benz will launch a new sedan called Mercedes-Benz CLE Coupé to replace the existing C-Class and E-Class sedans. This new car will make its global debut on July 5, and more detailed reports will be provided. Mercedes-Benz CLE Coupé is positioned as a two-door coupe model, and its design adopts a straight waistline, showing an elegant appearance. The long and narrow headlights on the front of the car and the equipped AMG sports package complement the hatchback tailgate, further adding to the sporty feel of the vehicle. According to the editor's understanding, Mercedes-Benz CLE Coupé will provide plug-in hybrid (PHEV) and hybrid versions. This model will be equipped with a 2.0-liter turbocharged engine and come standard with a 48V mild hybrid system, matched with a 9-speed automatic transmission.

2023-07-08 comment 0 762

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