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Article Introduction：There are three main ways to create custom verification rules in Laravel, suitable for different scenarios. 1. Use Rule class to create reusable verification logic: generate a class through phpartisanmake:ruleValidPhoneNumber, and introduce and use it in the controller, suitable for complex and reusable situations; 2. Use closures in verification rules: directly write one-time verification logic in the validate method, such as checking the length of the username, suitable for simple and only once-using scenarios; 3. Add custom rules in FormRequest: add closures or introduce Rule classes in the rules() method of form requests, which are clear and easy to manage; in addition, you can also use att

2025-07-29 comment 0  453

Article Introduction：To modify XML content, you can use a text editor, programming language, or XML editor. Text Editor: Simple and straightforward, but time-consuming and error-prone. Programming Language: Automated and programmable, but requires programming knowledge. XML Editor: Easy to use, provides graphical interface and verification capabilities, but may be paid.

2025-04-03 comment 0  1227

Article Introduction：There are three ways to convert JSON data into Python class objects. 1. Use json.loads() to parse and pass it to the class constructor, which is suitable for simple structure scenarios; 2. Use dataclasses to simplify class definitions, automatically generate __init__, and improve the efficiency of multiple fields; 3. Use pydantic to realize automatic type conversion and data verification, support nested structure processing, which is suitable for complex data and interface interaction scenarios.

2025-07-11 comment 0  422

Article Introduction：Laravel is a PHP framework based on MVC architecture, with concise syntax, powerful command line tools, convenient data operation and flexible template engine. 1. Elegant syntax and easy-to-use API make development quick and easy to use. 2. Artisan command line tool simplifies code generation and database management. 3.EloquentORM makes data operation intuitive and simple. 4. The Blade template engine supports advanced view logic.

2025-04-19 comment 0  1005

Article Introduction：The steps to log in to the official website of Sesame Exchange Gate.io are simple and easy to use. First, visit the official website of Gate.io and click the "Login" button in the upper right corner. Enter your email address or mobile phone number and password to log in. Enter the verification code via email or text message as needed. Finally, click "Login" to complete the login process.

2025-02-21 comment 0  777

Article Introduction：Use FormRequests to extract complex form verification logic from the controller, improving code maintainability and reusability. 1. Creation method: Generate the request class through the Artisan command make:request; 2. Definition rules: Set field verification logic in the rules() method; 3. Controller use: directly receive requests with this class as a parameter, and Laravel automatically verify; 4. Authorization judgment: Control user permissions through the authorize() method; 5. Dynamic adjustment rules: dynamically return different verification rules according to the request content.

2025-07-30 comment 0  497

Article Introduction：The click event is quite simple and easy to use; you listen for the event and run code when the event is fired. It works on just about every HTML element

2025-03-22 comment 0  473

Article Introduction：This article aims to provide a simple and efficient way to convert data retrieved from a MySQL database into a PHP array and use the ID column in the database table as the key to the array. In this way, it is easy to quickly access and manipulate data through ID, improving the readability and maintenance of the code.

2025-08-25 comment 0  668

Article Introduction：Bootstrap lists provide a variety of list styles, including unordered lists, ordered lists and description lists. By using class names such as list-group and list-group-item, you can easily create beautiful and consistent lists. In addition, Bootstrap supports creating complex lists with icons, links, and flexible layouts, but be careful to use them properly to avoid performance issues and keep the code simple and easy to read.

2025-04-07 comment 0  862

Article Introduction：This article describes how to configure a simple Bash function to automatically format code using Black before running a Python script. In this way, it is possible to ensure that the code complies with a unified style specification before execution, thereby reducing potential syntax errors and improving code readability. This method is simple and easy to use and is suitable for fast local testing and development environments.

2025-08-24 comment 0  187

Article Introduction：The problem of controller bloat can be solved by separating responsibilities: 1. Use FormRequests to extract the verification logic; 2. Move complex business logic to the Service class for processing; 3. Centrally manage the data access layer through Repository mode; 4. Use middleware to process pre-logic logic such as permissions and current limits; 5. Reasonably split the resource controller and hand it over to Blade or front-end components to process view logic. This keeps the controller simple and improves code maintainability and structural clarity.

2025-07-24 comment 0  941

Article Introduction：There are two main ways to implement RESTfulWeb services in Java: 1. Use JAX-RS and Jersey to add dependencies, create resource classes, configure Application classes and optionally embed Jetty deployment; 2. Use SpringBoot to initialize the project through SpringInitializr, create the @RestController class to define the interface, and run the @SpringBootApplication main class; it is recommended that most new projects use SpringBoot because of its complete ecosystem, simple configuration and easy integration of database and security components. Finally, they map HTTP requests through annotations, process input and output, and are in the web container.

2025-08-02 comment 0  718

Article Introduction：Why can't margin: auto center Bootstrap image? Because the parent element of Bootstrap usually has no clear width, margin: auto fails. Reliable picture centering scheme: Use the text-center class (simple, but only for single-line images) Use Flexbox layout (powerful, suitable for single-line and multi-line images) Use Grid layout (fine-grained control for complex layouts) Best practice: Choose methods based on needs, consider performance and best practices, and write clear and easy-to-maintain code.

2025-04-07 comment 0  1067

Article Introduction：PHP Custom Annotations: Enhanced Code Flexibility and Scalability This article discusses how to create and use custom annotations in Symfony 3 applications. Annotations are the document block metadata/configuration we see above classes, methods and properties. They are often used to declare controller routing (@Route()), Doctrine ORM mapping (@ORM()), or control Rauth and other packages. Types and methods of access. This article will explain how to customize annotations and read class or method information without loading the class. Key points: PHP custom annotations can be used to add metadata to your code, affecting your code behavior, making it more flexible and easier to adapt. They can be used to define routing information, specify verification rules, or configure dependency injection.

2025-02-15 comment 0  1052

Article Introduction：Writing code in Visual Studio Code (VSCode) is simple and easy to use. Just install VSCode, create a project, select a language, create a file, write code, save and run it. The advantages of VSCode include cross-platform, free and open source, powerful features, rich extensions, and lightweight and fast.

2025-04-15 comment 0  818

Article Introduction：This article describes how to use the DEAP (Distributed Evolutionary Algorithms in Python) library to efficiently obtain the best individuals in each generation of genetic algorithms. By combining the HallOfFame class and the MultiStatistics class, code can be simplified and performance can be significantly improved, making it easy to track and analyze the optimal solutions for each generation.

2025-08-08 comment 0  985

Article Introduction：The key to optimizing CSS performance is to reduce complexity, avoid re-arrangement and repainting, and use selectors and structured management styles. 1. Use simple class selectors to avoid over-necking and complex pseudo-class selectors to improve matching speed; 2. Animation prioritizes transformation and opacity to reduce layout attribute changes to avoid expensive rearrangements; 3. Use class switching when batch-modifying styles or remove elements first and then operate to reduce the performance loss caused by frequent redrawing and rearrangements; 4. Simplify CSS files, merge duplicate rules, delete useless code, and use modular naming specifications such as BEM to improve maintainability.

2025-07-16 comment 0  928

Article Introduction：PHP 8.4: What's New and How to Use It PHP 8.4 is here, bringing several exciting features that simplify coding and improve performance. This article explains the most important updates with simple examples, making it easy for developers of all

2024-11-23 comment 0  1097

Article Introduction：There are three main ways to implement Singleton mode in Python: 1. Use a decorator to control the creation and reuse of class instances by defining closure functions. The advantages are that the code is clear and reusable, but the debugging is not intuitive enough; 2. Rewrite the \_\_new\_\_ method to maintain the instances within the class. The advantages are more native and object-oriented, but pay attention to multi-threaded safety issues; 3. Use the natural singleton characteristics of the module to directly create instances in the module and export and use them, which is simple and easy to maintain but poor flexibility. Choose the appropriate method according to actual needs: flexibly control the selection of decorators, object-oriented selection of \_\_new\_\_, and use the modules simply globally.

2025-07-14 comment 0  346

Article Introduction：Python mainly uses two major libraries Pillow and OpenCV for image processing. Pillow is suitable for simple image processing, such as adding watermarks, and the code is simple and easy to use; OpenCV is suitable for complex image processing and computer vision, such as edge detection, with superior performance but attention to memory management is required.

2025-05-16 comment 0  692