Course Introduction：Use the Mac multi-desktop function to improve efficiency. Specific methods include: 1. Enter the dispatch center through the Control up arrow and click the " " to create a new desktop; 2. Switch the desktop with the left and right arrows of the Control, click the top thumbnail or slide the trackpad with four fingers; 3. Drag the application window to other desktop thumbnails to move. To avoid being useless, it is recommended to divide desktops according to their purpose, such as office, communication, and entertainment, and set up different wallpapers to help distinguish them. Notes include: Some full-screen applications will automatically create a new desktop; the Dock bar only displays the current desktop application by default, and can be adjusted in settings; the desktop operates independently when the external monitor is connected. Reasonable classification and sorting are the key.
2025-07-08 comment 0 733
Course Introduction：To ensure that JavaScript functions are available to all users, four key practices must be followed: 1. Use aria-live attribute to notify screen readers of dynamic content updates, distinguishing between polite and assertive levels; 2. Clear custom control behavior through ARIA role and state attributes, and keeping state synchronized; 3. Implement keyboard navigation support, including Tab focus switching and Enter/Space key triggering operations; 4. Avoid excessive use of ARIA, and give priority to HTML5 semantic tags to reduce redundant code and improve maintenance.
2025-07-21 comment 0 990
Course Introduction：To optimize LCP, you need to start from four aspects: image resources, server response, render blocking resources and preload management. 1. Image optimization includes using WebP/AVIF format, setting srcset and sizes, compressing sizes and delaying loading non-first-screen images; 2. Improve server response speed can be achieved through CDN, HTTP/2 or 3 and optimizing back-end interface performance; 3. Optimizing JS/CSS, delaying non-critical scripts, inline key CSS and deleting redundant code; 4. Use linkpreload to preload key resources, optimize font loading and adjust resource priorities, thereby accelerating content presentation and improving user experience and SEO performance.
2025-07-20 comment 0 408
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 0 700
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 0 864
Course Elementary 13824
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 82359
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 13178
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 24628
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 27486
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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