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Recommended 10 natively supported special effects (collection)
Recommended 10 natively supported special effects (collection)
PHP对观察者模式的原生支持的代码详解
简介：
2. 有关CSS的高级布局技巧
简介：随着 IE8 逐渐退出舞台，很多高级的 CSS 特性都已被浏览器原生支持，再不学下就要过时了。用 :empty 区分空元素兼容性：不支持 IE8Demo假如我们有以上列表：
Introduction: As IE8 gradually withdraws from the stage, many advanced CSS features have been natively supported by browsers. If you don’t learn them, they will be outdated
4. Fun JavaScript question: Adding large integer strings
Introduction: Many languages provide native support for the addition of two large integer strings. For example, Java provides the BigInteger class, but JS does not support this aspect, so we have to rely on ourselves to implement it.
5. Python gdal tutorial: Reading raster data with gdal
Introduction: GDAL natively supports more than 100 raster data types, covering all mainstream GIS and RS data formats
6. Cross-domain technology (JSONP and CROS)
##Introduction: We found that when calling js files on a Web page, it is not affected by whether Cross-domain impact, any tag with the "src" attribute has cross-domain capabilities, such as
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Alipay PHP SDK transfer error: How to solve the problem of 'Cannot declare class SignData'?
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Alipay PHP...
Explain JSON Web Tokens (JWT) and their use case in PHP APIs.
Apr 05, 2025 am 12:04 AM
JWT is an open standard based on JSON, used to securely transmit information between parties, mainly for identity authentication and information exchange. 1. JWT consists of three parts: Header, Payload and Signature. 2. The working principle of JWT includes three steps: generating JWT, verifying JWT and parsing Payload. 3. When using JWT for authentication in PHP, JWT can be generated and verified, and user role and permission information can be included in advanced usage. 4. Common errors include signature verification failure, token expiration, and payload oversized. Debugging skills include using debugging tools and logging. 5. Performance optimization and best practices include using appropriate signature algorithms, setting validity periods reasonably,
Describe the SOLID principles and how they apply to PHP development.
Apr 03, 2025 am 12:04 AM
The application of SOLID principle in PHP development includes: 1. Single responsibility principle (SRP): Each class is responsible for only one function. 2. Open and close principle (OCP): Changes are achieved through extension rather than modification. 3. Lisch's Substitution Principle (LSP): Subclasses can replace base classes without affecting program accuracy. 4. Interface isolation principle (ISP): Use fine-grained interfaces to avoid dependencies and unused methods. 5. Dependency inversion principle (DIP): High and low-level modules rely on abstraction and are implemented through dependency injection.
How to automatically set permissions of unixsocket after system restart?
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How to automatically set the permissions of unixsocket after the system restarts. Every time the system restarts, we need to execute the following command to modify the permissions of unixsocket: sudo...
How to debug CLI mode in PHPStorm?
Apr 01, 2025 pm 02:57 PM
How to debug CLI mode in PHPStorm? When developing with PHPStorm, sometimes we need to debug PHP in command line interface (CLI) mode...
How to send a POST request containing JSON data using PHP's cURL library?
Apr 01, 2025 pm 03:12 PM
Sending JSON data using PHP's cURL library In PHP development, it is often necessary to interact with external APIs. One of the common ways is to use cURL library to send POST�...
Explain late static binding in PHP (static::).
Apr 03, 2025 am 12:04 AM
Static binding (static::) implements late static binding (LSB) in PHP, allowing calling classes to be referenced in static contexts rather than defining classes. 1) The parsing process is performed at runtime, 2) Look up the call class in the inheritance relationship, 3) It may bring performance overhead.
Explain the concept of late static binding in PHP.
Mar 21, 2025 pm 01:33 PM
Article discusses late static binding (LSB) in PHP, introduced in PHP 5.3, allowing runtime resolution of static method calls for more flexible inheritance.Main issue: LSB vs. traditional polymorphism; LSB's practical applications and potential perfo
