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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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8 Bootstrap corporate website templates (source code free download)

Course Introduction：Good-looking and practical corporate website templates can improve your website building efficiency. Below, PHP Chinese website will share with you 8 Bootstrap corporate website templates, all of which can be downloaded for free. Everyone is welcome to use them! For more enterprise website source code templates, please pay attention to the enterprise website source code column of PHP Chinese website!

2021-08-24 comment 0 23059

What are the investment website platforms?

Course Introduction：The investment promotion website platforms include: 1. Yingtongshe, which mainly purchases customized products, attracts investment through merchant product channels, and Yingtongshe selects certified merchants; 2. Global Franchise Network, which is dedicated to investment promotion and channel construction of brands and enterprises in the Chinese market; 3. 3158 Investment Franchise Network, an investment promotion joint exhibition platform, provides one-stop online publicity and promotion services for major investment promotion, chain and franchise enterprises across the country; 4. 28 Business Opportunities Network, an investment promotion portal website, specializes in providing project planning for customers in the investment promotion industry; 5. U88 chain franchise network provides customers with comprehensive and three-dimensional franchise project promotion services.

2022-07-29 comment 0 18757

What is the full name of JD.com?

Course Introduction：The full name of JD.com is "Beijing Jingdong Century Trading Co., Ltd.". It is a comprehensive online retail enterprise. JD.com, a subsidiary of the company, is one of the most popular and influential e-commerce websites in China's e-commerce field, with online sales There are tens of thousands of branded products in 12 categories including home appliances, digital communications, computers, household department stores, clothing and accessories, maternal and infant products, books, food, and online travel.

2022-10-11 comment 0 59680

The list of 'Top 500 Chinese Private Enterprises in 2023' was announced: JD.com, Alibaba, and Hengli ranked among the top three

Course Introduction：According to news from this site on September 12, the All-China Federation of Industry and Commerce officially released today the "Top 500 Chinese Private Enterprises in 2023" list and the "Research and Analysis Report on the Top 500 Chinese Private Enterprises in 2023". JD.com, Alibaba (China) Co., Ltd., and Hengli Group Co., Ltd. rank among the top three on the list. At the same time, JD.com is also the only private company on the list with revenue exceeding one trillion yuan. ▲Screenshot of the research and analysis report, from the website of the All-China Federation of Industry and Commerce, the same below. According to the research and analysis report, in 2022, the entry threshold for the top 500 private enterprises will be 27.578 billion yuan, an increase of 1.211 billion yuan from the previous year. Among them, there are 95 companies with total operating income exceeding 100 billion yuan (inclusive) in 2022. According to reports, this year is the second consecutive year organized by the All-China Federation of Industry and Commerce.

2023-09-12 comment 0 580

Senior programmers tell you that today's PHP is different

Course Introduction：PHP has a very high global market share, second only to Java. According to data from various recruitment websites, there are many positions for PHP development, and the salary level is also very good. In fact, the market position of PHP in small and medium-sized enterprises and Internet startups is higher than that of Java.

2018-03-01 comment 0 1773

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