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Course Introduction：Summary of key points The jQuery code snippets provided in this article can detect whether users are browsing web pages using mobile devices, and provide specific JavaScript code snippets for various mobile devices such as iPad, iPhone, iPod, iDevice, Android, BlackBerry, WebOS, and Windows Phone. The basic method of detecting mobile devices using jQuery is to use the navigator.userAgent attribute and search for keywords indicating mobile devices in conjunction with regular expressions. While user agent detection is a useful tool for identifying mobile devices, it is not 100% reliable because it is easy to forge or change the user agent. because

2025-02-27 comment 0  902

Course Introduction：If you want to trade Dogecoin on your mobile phone, you need to download the Exchange App through the official website. 1. Binance: provides comprehensive functions and high liquidity, suitable for all kinds of traders; 2. Ouyi: has a friendly interface, integrated Web3 wallet; 3. Huobi: has stable functions, suitable for traditional financial users; 4. Gate.io: is suitable for exploring emerging currencies; 5. KuCoin: has smooth transactions and competitive handling fees; 6. MEXC: has low-cost transactions, and is updated quickly.

2025-07-04 comment 0  449

Course Introduction：Mobile-first and desktop-first have their own applicable scenarios, and the selection needs to be based on project needs. 1. mobile-first first writes the mobile style, and then adapts to the large screen through min-width media query, which is suitable for mobile phone-first projects, such as e-commerce front desk; 2. desktop-first first designs for desktops, using max-width media query to adapt to small screens, which is suitable for desktop-first products such as background management systems; 3. The core difference between the two is that the media query direction is different. The former expands from small screen to large screen, and the latter shrinks from large screen to small screen; 4. In either way, you need to add a viewport meta tag to ensure normal display of the mobile terminal; 5. mobile

2025-07-14 comment 0  392

Course Introduction：The operating system is the basic software for managing hardware resources, running programs, and providing user interaction interfaces. It coordinates the relationship between hardware and software and is responsible for memory allocation, device scheduling, file management and multitasking. Common systems include Windows (suitable for office and gaming), macOS (Apple devices, suitable for creative work), Linux (open source, suitable for developers), and Android/iOS (mobile device system). The choice of ordinary users depends on the usage scenario, such as software compatibility, security and customization requirements. How to view system information: Use winver command for Windows, click on the machine for macOS, use terminal commands for Linux, and find the phone in settings. The operating system is the underlying tool for daily use,

2025-07-11 comment 0  392

Course Introduction：The most common general video formats include MP4, WebM and Ogg, among which 1. MP4 can be played on almost all devices and platforms, especially natively supported by mobile phone systems (such as iOS and Android), suitable for shooting, downloading and editing; 2. WebM and Ogg are recommended for web pages, both of which are open source formats and are suitable for online playback. WebM performs well in Chrome, while Ogg is suitable for Firefox and Safari; 3. Although some platforms such as Douyin and YouTube support multiple formats, it is recommended to upload MP4 to ensure compatibility and pay attention to encoding parameters and resolution limitations.

2025-06-23 comment 0  1091

Course Elementary  13774

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  82285

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  13145

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  24591

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  27450

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.