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Course Introduction：Popover API is a lightweight popup layer implementation solution natively supported by the browser. When using it, you need to add popover attributes first and display and hide them in combination with JS control. 1. Add popover attributes to the target element to define the popup content; 2. Control the display status of the popup layer through showPopover() and hidePopover() methods; 3. Commonly used button clicks can also be triggered, but the compatibility is limited; 4. Avoid absolute/fixed positioning in style, and it is recommended to set background, border, shadow and z-index to ensure the level; 5. Currently, Chrome and Edge support are good, Firefox is in the experimental stage, and Safari is not supported yet

2025-07-19 comment 0  183

Course Introduction：SublimeText is a powerful and highly customizable editor. 1) It supports multiple programming languages ??and provides functions such as multi-line editing, code folding, etc. 2) Users can customize through plug-ins and configuration files, such as using PackageControl to manage plug-ins. 3) Its underlying layer is based on Python, supports multi-threading and GPU acceleration, and has excellent performance. 4) Basic usage includes shortcut key operations, and advanced usage involves macros and Snippets. 5) Frequently asked questions such as failure to install the plug-in, it can be solved by checking the network and updating it. 6) Performance optimization suggestions include cleaning up plug-ins and using cache reasonably.

2025-04-12 comment 0  788

Course Introduction：WordPress pop-up plug-in: a powerful tool to improve conversion rate Key points: Pop-up windows significantly increase website conversion rate, with cases showing up to 300%. Top WordPress popup plugins such as SumoMe ListBuilder, Ninja Popups, and OptinMonster can help you achieve this. The ideal WordPress pop-up plug-in should have a user-friendly interface, multiple pop-up types, precise positioning and triggering options, and be well integrated with your email marketing services and other tools. Most plugins also allow custom designs and pop-up scheduling. Although pop-ups are very effective in acquiring leads and developing mailing lists, be sure to use them with caution and after installation

2025-02-17 comment 0  451

Course Introduction：MySQL data encryption improves security by protecting the data itself, and cannot be read directly even if data is leaked. The main methods include Transport Layer Encryption (TLS), Data at Rest encryption and Application Layer Encryption. To configure MySQL encryption, you need to enable the plug-in, set the key path, and create the encryption table. The key rotation steps include generating a new key, updating the key management system, optionally reencrypting the data, and cleaning the old key. At the same time, you need to pay attention to backup encryption, key recovery mechanism and log file security to ensure effective protection in the entire process.

2025-07-28 comment 0  913

Course Introduction：Altius, a crypto startup, recently announced a $11 million financing round led by FoundersFund and Pantera Capital. It is remarkable that Altius only posted one tweet before the announcement of the financing news, which added a sense of mystery to it. What exactly attracts top venture capital institutions such as Pantera Capital? The answer lies in Altius' innovative reshaping of the blockchain execution layer. Altius is not a traditional single public chain project. It is committed to building a modular, plug-and-play execution layer solution - AltiusStack. This solution can be seamlessly integrated with any public chain using virtual machine (VM) mechanism

2025-03-04 comment 0  444

Course Elementary  13826

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  82370

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  13184

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  24635

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  27491

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.