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Course Introduction：A Command Line Interface (CLI) is a powerful text-based interface that allows users to interact with their computer's operating system by typing commands. Unlike graphical user interfaces (GUIs), which rely on visual elements like buttons and icons,

2024-12-31 comment 0  1109

Course Introduction：This article explains dependency injection (DI) in Yii, focusing on its built-in container. It details implementing DI via constructor injection, registering dependencies in the application config, and best practices like interface-based dependencie

2025-03-12 comment 0  308

Course Introduction：Choose a payment platform based on user portrait. WeChat Pay is suitable for users in the WeChat ecosystem, and Alipay is suitable for mature consumer groups and PC-side large-scale payments; 2. Registering a merchant account to obtain AppID, MCHID, API keys and other qualifications is the prerequisite; 3. Using the official PHPSDK integrated interface can simplify development and improve security; 4. The PHP backend generates orders and initiates prepayment requests, and the front end calls for payment based on the returned data; 5. Asynchronous callbacks are the final basis for successful payment, and signatures, IP whitelists, SSL encryption transmission must be verified and idempotence must be realized to prevent repeated processing; 6. Timeout orders are closed through timed tasks, refunds must be called to the API and handled multiple states, reconciliation needs to be regularly compared with the platform flow and system orders to ensure the consistency of funds, and the entire flow

2025-07-25 comment 0  674

Course Introduction：You’ve installed Phone Link on your PC or laptop and hooked your phone up to the app. You now have your own little phone-based ecosystem – one through which you can use your Windows device just like your phone. But how do you get the best out of P

2025-01-04 comment 0  1175

Course Introduction：H5 games are web games developed based on HTML5 technology and can be run directly in the browser without downloading and installing. It has the characteristics of cross-platform, instant play, and strong social communication. It is suitable for fragmented time entertainment and is commonly found in WeChat public accounts, WeChat Moments advertising, mini program jump pages and other scenarios. The H5 game can be recognized through its opening method, including web page links, interface with advertisements or return buttons, prompts to share with friends to continue playing, etc. Although its complexity and fluency are not as complex as native apps, H5 games still have a place in the mobile terminal due to their convenience and communication.

2025-07-13 comment 0  611

Course Elementary  13792

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  82316

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  13156

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  24602

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  27463

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.