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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11215

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 17559

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 11269

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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Huawei's new MatePad Air tablet starts pre-sale: 12-inch 2.8K 144Hz high refresh screen, Xiaoyi AI large model assistant, starting from 2899 yuan

Course Introduction：According to news from this website on August 6, Huawei’s new MatePad Air tablet is now available for pre-sale. The tablet is equipped with a 12-inch 2.8K 144Hz high-refresh screen and is pre-installed with Xiaoyi AI large model assistant. The starting price is 2,899 yuan. According to reports, Huawei's new MatePad Air tablet weighs about 555g and is 5.9mm thick. It comes in four colors: grass green, cherry blossom pink, feather sand white, and smoke gray. It adopts an all-metal integrated seamless design and is processed using a phantom pearlescent process. The fuselage can show different colors under different lights. Huawei MatePad Air tablet is equipped with a 12-inch 3:2 ratio 1000 nit brightness 2.8K resolution "Cloud Clear Soft Light Screen", which supports adaptive adjustment of refresh rate from 30Hz to 144Hz; built-in 101

2024-08-07 comment 0 457

The use of responsive web design

Course Introduction：Your web page should be compatible with all devices and should not have any design flaws on these devices. This attracts more users to the website. It should work on mobile devices, tablets, and desktops. Responsive web design is using HTML and CSS to create designs that are compatible with every device. Yes, that’s how websites work now.

2023-09-09 comment 0 969

How to use the empire cms resource network template

Course Introduction：The Imperial CMS template is a pre-designed page layout and style for creating websites based on the Imperial CMS content management system and contains HTML, CSS and JavaScript code. To use the Imperial CMS template, you need to: download and unzip the template; import the template to the Imperial CMS backend; set the template; edit the template file to customize it. Imperial CMS templates usually contain header.html, footer.html, index.html, list.html, content.html and style.css files.

2024-04-17 comment 0 767

Thermaltake launches Ceres 350 MX mid-tower side-transparent chassis: supports back-mounted motherboard, 899 yuan

Course Introduction：According to news from this site on August 2, Thermaltake launched the Ceres350MX mid-tower side-transparent chassis on August 1. The chassis has a three-dimensional dimension of 245×463×475 (mm) and a volume of about 54L. It supports up to E-ATX motherboards and also supports back-plug styles. The official website price is 899 yuan, and it has not yet been put on the e-commerce platform. ▲The overall appearance of the black model is the same as that of many Thermaltake products, and the Ceres350MX chassis is available in a variety of colors. Its first model includes 7 styles: black, snow white, matcha green, hydrangea blue, racing green, bee yellow and bubble pink. The Ceres350MX chassis is equipped with a 4mm tempered glass panel on the left side and a replaceable dual front panel design on the front. ▲Racing green dual front panel design players can

2024-08-07 comment 0 1108

What is NSFOCUS dedecms?

Course Introduction：NSFOCUS dedecms is an open source content management system that provides users with an easy-to-use, feature-rich website construction platform. NSFOCUS dedecms is developed based on the technical architecture of PHP and MySQL, supports a variety of database management systems, adopts a modular design idea, and provides a wealth of functional modules and plug-ins to meet the needs of different types of websites. It also has a huge developer community where users can get technical support, learn and communicate.

2023-08-03 comment 0 1262

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