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Course Introduction：Proxy and Reflect API are powerful tools used in JavaScript to intercept and customize object operations; 1. Proxy blocks operations such as get, set by wrapping target objects and defining "traps", and implements functions such as logs, verification, read-only control; 2. Reflect provides methods corresponding to Proxy traps to ensure the consistency and correctness of default behaviors and improve code maintainability; 3. Practical applications include Vue3 responsive system, data verification, debug logs, immutable objects and API simulation; 4. Pay attention to performance overhead, complex behavior of built-in objects, this binding problems, and nested objects need to be recursively proxyed; 5. Reasonable use can build efficient, debugable, and reactive

2025-07-26 comment 0  421

Course Introduction：The Internet is full of various articles of "X PHP code snippets", so why do you need to write another article? The reason is simple: most of the code snippets in the article are lackluster. Generating a random string or returning $_SERVER["REMOTE_ADDR"] to get fragments like client IP addresses are really lacking in fun and practicality. This article will share five practical and interesting snippets of PHP code and introduce the inspiration behind them. Hopefully these creative code snippets will inspire you to write better and more creative code in your daily programming. Key Points This article introduces five practical PHP code snippets, including using the built-in fputcsv() function to generate CSV data and make

2025-02-26 comment 0  450

Course Introduction：This article aims to help developers solve the problem of PHP login verification failure and emphasizes the importance of password security. By analyzing common causes of errors, especially improper password hashing, this article will provide practical code examples and best practices to guide developers to build a safe and reliable login system, avoid using outdated encryption methods, and embrace modern password hashing technology.

2025-08-27 comment 0  627

Course Introduction：Writing good code and annotations can improve project maintainability and professionalism. 1.CleanCode emphasizes clear naming, single responsibilities and structures, so that it is easy for others to understand; 2. Comments should explain "why" rather than duplicate code functions; 3. PHP comments should cover class descriptions, method parameters, and key logical backgrounds; 4. Practical suggestions include using meaningful variable names, unified annotation style, and using tool specifications.

2025-07-18 comment 0  907

Course Introduction：WordPress's WP_Error class: elegant error handling mechanism WordPress's WP_Error class provides a simple and powerful error handling mechanism for managing and modifying errors in applications. It is easy to integrate into your application, effectively handles errors returned by WordPress core functions, and creates custom error messages to improve the user experience. In addition, practical functions such as is_wp_error can check whether the variable or function return value is a WP_Error instance, thereby debugging problems efficiently. No matter how skillful and meticulous your code is written, errors cannot be avoided in any development process. As WordPress

2025-02-17 comment 0  435

Course Elementary  13893

Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.

Course Elementary  82444

Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).

Course Elementary  13237

Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.

Course Elementary  24695

Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.

Course Elementary  27541

Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.