Course Introduction：Handle the problem of blank small window after scanning the QR code on WeChat. When using WeChat to scan the QR code on WeChat, we often encounter some unexpected problems. A common...
2025-04-01 comment 0 705
Course Introduction：There are four ways to add WeChat friends: one is to search and add through WeChat ID or mobile phone number, open WeChat → " ” → "Add Friends" → enter information → send verification; the second is to scan the QR code to add, click "Scan" → scan the other party's QR code → add to address book; the third is to add through group chat, enter the WeChat group → click the other party's avatar → "Add to address book" → send verification messages; the fourth is to recommend or add nearby people, you can view the recommended contact person on the "New Friends" page or turn on "Nearby people" to say hello and request friends. The above methods need to be paid attention to privacy settings and appropriate use.
2025-07-10 comment 0 676
Course Introduction：There are differences in the promotion methods of H5 and mini programs: platform dependence: H5 depends on the browser, and mini programs rely on specific platforms (such as WeChat). User experience: The H5 experience is poor, and the mini program provides a smooth experience similar to native applications. Communication method: H5 is spread through links, and mini programs are shared or searched through the platform. H5 promotion methods: social sharing, email marketing, QR code, SEO, paid advertising. Mini program promotion methods: platform promotion, social sharing, offline promotion, ASO, cooperation with other platforms.
2025-04-06 comment 0 608
Course Introduction：When you try to scan the QR code or search for a WeChat contact, if you receive a prompt "this user does not exist", it usually means that the target account has been deleted, has never existed, or is temporarily unavailable. 1. The user may have cancelled his account; 2. The WeChat account is entered incorrectly; 3. The QR code expires or is forged; 4. The account is restricted or banned due to violations. If you encounter this problem, you should 1. Recheck the WeChat account or QR code; 2. Try to rescan or refresh the page; 3. Request the other party to provide a new QR code or confirm the WeChat account; 4. Avoid scanning the QR code of unknown origin. To prevent others from encountering this problem, you should 1. Keep your account active; 2. Share QR codes only with trusted personnel; 3. Check your privacy settings regularly; 4. Notify the relevant contacts before changing your WeChat account or canceling your account. In short, the prompt indicates
2025-07-04 comment 0 478
Course Introduction：The Safari browser cannot directly scan the QR code with the camera, but it can be indirectly implemented through the following methods: 1. After taking a picture with your mobile phone, you can use WeChat, Alipay or the system's own code scanning function to identify and copy the link to Safari to open; 2. After taking a screenshot of the QR code, upload it to the online scan website (such as online-barcode-reader.com) to obtain the link and enter it in Safari; 3. Use an iPhone camera to identify the QR code on the Mac screen for identification, and click the notification to open it in Safari. The selection method depends on the source of the QR code and the combination of equipment. Pay attention to protecting privacy information when uploading pictures.
2025-07-14 comment 0 243
Course Elementary 13772
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 82280
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 13144
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 24590
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 27446
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.
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