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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11382

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 17695

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 11394

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 use AWS Elastic Beanstalk for elastic packaging and deployment of PHP programs?

Course Introduction：How to use AWS ElasticBeanstalk for elastic packaging and deployment of PHP programs? With the rapid development of cloud computing, more and more developers are deploying applications to the cloud. AWS ElasticBeanstalk is an automated deployment and management platform that helps developers easily deploy and scale web applications. This article will introduce how to use AWS ElasticBeanstalk for elastic packaging and deployment of PHP programs. First, in A

2023-07-29 comment 0 1367

Best Deployment Strategies for Building REST APIs with PHP

Course Introduction：The optimal deployment strategy for PHPREST API depends on scale, performance, security, ease of use, and cost factors. Common deployment technologies include using Apache or Nginx servers, Docker, AWS ElasticBeanstalk, and Heroku.

2024-06-05 comment 0 780

Java framework and cloud computing integration based on cloud native concept

Course Introduction：Answer: Yes, cloud-native based Java frameworks can be integrated with cloud computing. Integration strategy: On-premises deployment: Provides greater control but heavier management burden. Cloud hosting: Simplified management, but less flexible. Practical case: Deploy a SpringBoot application on AWS ElasticBeanstalk. The steps are as follows: Create a SpringBoot project. Configure AWS ElasticBeanstalk environment. Deploy the application. Access the application URL. Advantages: Resilience: Keeps applications up and running even during peak periods. Scalability: Applications can be easily expanded to meet growing needs. Cost optimization: pay on demand, optimize costs

2024-06-04 comment 0 887

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