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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11356

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 17659

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 11370

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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Find an authoritative and practical development tutorial or article on WeChat scan code authorization to log in to the website

Find an authoritative and practical development tutorial or article on WeChat scan code authorization to log in to the website

2017-10-11 12:33:15

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

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PHP development caching vs. database caching: Which is better for your website?

Course Introduction：In web development, caching is one of the important means to improve website performance and response speed. In caching technology, PHP development caching and database caching are two commonly used methods. So, which method is more suitable for your website? This article will analyze and compare the principles, advantages, disadvantages and code examples. 1. Principle PHP development caching PHP development caching refers to a technology that caches PHP code into memory during runtime to improve the access speed of Web applications. When a PHP script is run for the first time, its compilation results will be buffered

2023-11-07 comment 0 949

WeChat payment development tutorial

Course Introduction：This article introduces the WeChat Pay development tutorial for WeChat Pay v2 and v3 versions, which comes from the official website of WeChat Public Platform.

2017-02-23 comment 0 1593

Is python website development easy?

Course Introduction：Simple. Although python was not particularly inclined to website development when it was first designed, python has a large number of web development frameworks, making website development very simple, such as: Django, CherryPy, TurboGears, Flask, Pyramid and other frameworks .

2019-10-31 comment 0 3202

How to solve the 500 error in DedeCMS due to low version of php

Course Introduction：As the times continue to advance, our website applications are constantly being upgraded, but sometimes some technical difficulties arise. One of them is that if you often use DedeCMS or other PHP-based website development frameworks, then you are likely to encounter such a problem: when using an older version of PHP (5.6 or earlier), when running code on the website , a 500 Internal Server Error will occur.

2023-03-22 comment 0 1535

What are the references for PHP online mall design and implementation?

Course Introduction：References include: 1. "PHP and MySQL Web Development"; 2. "PHP Advanced Programming"; 3. "PHP Objects, Patterns, and Practice"; 4. "Laravel: Up and Running"; 5. "E-commerce" in PHP"; 6. PHP official documentation; 7. Laravel official documentation; 8. PHP website development tutorial; 9. Laravel tutorial; 10. GitHub, etc.

2023-09-18 comment 0 2115

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