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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11311

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 17622

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 11329

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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Which PHP framework offers the most comprehensive extension library for rapid development?

Course Introduction：The PHP framework extension library provides four frameworks for selection: Laravel: Known for its vast ecosystem and third-party packages, it provides authentication, routing, validation and other extensions. Symfony: Highly modular, extending functionality through reusable "Bundles", covering areas such as authentication and forms. CodeIgniter: lightweight and high-performance, providing practical extensions such as database connection and form validation. ZendFramework: Powerful enterprise-level features, with extensions such as authentication, database connection, RESTfulAPI support, etc.

2024-06-04 comment 0 905

WeChat applet implements form auto-filling function

Course Introduction：WeChat applet implements form auto-fill function. With the continuous development of Internet technology, mobile applications are becoming more and more popular. As a lightweight application form, WeChat applet has become an important part of people's lives. In WeChat mini-programs, forms are one of the important ways for users to interact with mini-programs. In order to improve the user experience, you can consider implementing the form auto-fill function so that users can quickly and accurately fill in relevant information when filling out the form. Implementing the form autofill function mainly involves the following steps: Obtaining users

2023-11-21 comment 0 1900

Java JSP Trend Forecast: The Road Ahead

Course Introduction：1.REST API integration REST (Representational State Transfer) API is becoming more and more popular because it provides simple and efficient cross-platform data interaction. jsP is adapting to this trend by introducing support for REST API calls, allowing developers to easily access and manipulate APIs from their JSP pages. 2. Single Page Application (SPA) SPA is rapidly gaining popularity as it provides a seamless user experience similar to native applications. JSP is being integrated with front-end frameworks like angular, React and vue.js to easily create SPA. By using JSP as the backend, developers can take advantage of its enterprise-grade capabilities while taking advantage of the agility that SPA brings. 3.Microservice architecture

2024-03-18 comment 0 1019

IDC: Huawei Qingyun commercial tablet tops the list of shipments in the Chinese market

Course Introduction：According to news on July 11, according to the latest IDC data report, Huawei’s commercial tablets once again lead the Chinese market in terms of shipments. Its terminal commercial brand Huawei Qingyun commercial tablets ranked first with a shipment volume of 168,000 units, and its market share A year-on-year increase of 8%, the brand advantage continues to expand. The achievement of this achievement not only demonstrates Huawei's profound accumulation in the field of commercial tablets, but also reflects the broad recognition of Huawei products by the market. According to the editor's understanding, Huawei Qingyun's recently launched Huawei Qingyun C7 commercial tablet is a high-performance productivity tool tailored for government, financial and large enterprise users. The tablet is equipped with Huawei PC application engine technology, realizing the native experience of PC applications. Users can easily run PC-level WPSOffice, PC-level CAJ

2024-07-16 comment 0 988

The gaming experience has been upgraded again! OnePlus Ace 3 Pro's exclusive black technology supports detectable game native 120 frames

Course Introduction：According to news on June 25, the highly anticipated OnePlus Ace3Pro mobile phone will be released on June 27, focusing on excellent "performance". OnePlus officials have recently revealed more functional details of the phone, triggering heated discussions among consumers. OnePlus Ace3 Pro will be the world's first 6100mAh large-capacity glacier battery, which has a long battery life and even achieves the convenient experience of "one charge in two days". OnePlus official also stated that Ace3Pro has strong performance and supports native 120 frame experience of high-load games. While enjoying high-definition picture quality, you can also experience a smooth competitive feeling. It is understood that the performance of OnePlus Ace3Pro has been fully upgraded. It is equipped with the third-generation Snapdragon 8 processor and is equipped with the second-generation "Tiangong cooling system". The system includes an area of 912

2024-06-25 comment 0 598

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