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Course Introduction：HeroQR: Your dream PHP QR code generation library. Are you still worried about QR code generation in PHP? Don't hesitate any longer! ?I am pleased to introduce you to HeroQR, an advanced open source PHP library designed to make QR code generation easy, powerful and flexible. Why choose HeroQR? HeroQR stands out for its customizability and ease of use. Whether you're a beginner looking for a simple QR code solution or an experienced developer in need of advanced features, HeroQR has what you need. Main Features of HeroQR HeroQR is designed to provide developers with powerful tools to create and customize QR codes. Here’s a quick overview of its standout features: Unparalleled customization with resizable additions

2025-01-15 comment 0  940

Course Introduction：In PHP, cURL is suitable for projects that require underlying control and lightweight scenarios, and Guzzle is suitable for projects that pursue development efficiency and maintainability. 1.cURL is a built-in extension for PHP, suitable for scenarios where simple requests and no additional dependencies are required, but the code is cumbersome and error handling is complex; 2. Guzzle is a modern PHP library with good packaging, rich functions, and supports PSR standards, which is easy to integrate into large applications or frameworks; 3. The selection basis is project complexity: use cURL for simple scripts, and choose Guzzle when complex systems or advanced functions are required.

2025-07-11 comment 0  704

Course Introduction：Core points Redis is a popular open source data structure server that features far more than simple key-value storage thanks to its built-in data types. It is widely used by large companies and can be used as a session handler or to create online chat or live booking systems. Redis and Memcache perform similarly in terms of basic operations, but Redis offers more features such as memory and disk persistence, atomic commands and transactions, and server-side data structures. Predis is a flexible and fully functional PHP Redis client library that allows PHP developers to interact with Redis using PHP code. It supports a variety of Redis features, including transactions, pipelines, and clusters. Redis commands include

2025-02-27 comment 0  749

Course Introduction：Key Points PHP's array interface allows programmers to simulate the characteristics of native data types in custom classes, similar to Python's methods. This enables custom classes to work like arrays and allows common array operations such as counting elements, looping through elements, and accessing elements through indexes. An interface is like a contract for a class, specifying the methods that a class must contain. They allow encapsulation of implementation details and provide syntax sugar, thereby improving the readability and maintainability of the code. PHP provides a library of predefined interfaces that can implement these interfaces to make objects similar to arrays. Countable, ArrayAccess and Iterator interfaces in PHP allow objects to pass cou respectively

2025-02-22 comment 0  533

Course Introduction：Core points PSR-3, a common log object interface, allows developers to write reusable code without relying on any specific log implementation, thereby improving compatibility between different log libraries in PHP. The PSR-3 interface provides eight methods to handle messages of different severity levels, and a common log() method that can receive any severity levels. Its design is to solve the problem of log implementation incompatibility. Although PSR-3 has many benefits, some log libraries do not support it natively. However, developers can create PSR-3 compliant adapters by leveraging the adapter pattern and extending the AbstractLogger class provided in the Psr/Log library. Many major PHP projects

2025-02-24 comment 0  1305

Course Elementary  13924

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  82479

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  13264

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  24727

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  27563

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.