Course Introduction：H5PaymentRequestAPI is a technology that realizes secure online payment on mobile terminal through the browser's built-in interface. It allows the website to call the user's saved payment method without manually entering information, thus simplifying the process and improving security. To use this API, you need to prepare a supported browser, configure payment methods, build back-end services, and follow the following steps: initialize the PaymentRequest object, set the payment method and amount, display the payment interface, and submit the payment information processing results. Common problems include not displaying payment methods, cross-domain restrictions, HTTPS requirements, user cancellation of payments, etc., which need to be investigated and resolved one by one. It should be noted that domestic browser compatibility may be poor, and access to Alipay and WeChat payment is usually
2025-07-16 comment 0 201
Course Introduction：RemoteDesktop is a technology that allows remote control of another computer over the network or the Internet, and its working principle includes screen display transmission and input control. 1. It encodes the desktop screen of the remote computer and sends it to the local device; 2. The user operates through the local keyboard and mouse, and passes the instructions back to the remote device; 3. The connection usually depends on a specific port (such as the 3389 port used by Windows RDP); 4. It is often used in remote office, technical support, server management, and the use of old hardware; 5. When setting up, you need to enable remote connection, configure a firewall, obtain an IP or computer name and use a client connection; 6. In terms of security, you should use a strong password, enable NLA, avoid directly exposing the RDP port, or
2025-07-22 comment 0 454
Course Introduction：SqlParameter Parameters.Add vs. AddWithValue: Choosing the Best MethodWhen working with SQL commands, you may encounter the need to add...
2025-01-10 comment 0 685
Course Introduction：In Dave The Diver, there are some creatures that are not easy to catch. Or, catch alive that is. The spider crab is one of those very species, making it seem like the only way to bring these crustaceans back up to land is to viciously crack them up w
2025-01-10 comment 0 834
Course Introduction：Conditional Column CountingConsider a table named "Jobs" structured as follows:jobId, jobName, Prioritywhere "Priority" is an integer between 1...
2025-01-10 comment 0 845
Course Elementary 13795
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 82320
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 13157
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 24603
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.
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