Course Introduction：In daily development, we will accumulate some commonly used code fragments, which can be directly copied and pasted in various items, which is very convenient. If you have taken over other people's projects, you may notice the same tools in some projects. These are common code fragments accumulated by previous developers. Nowadays, the development of the front -end community is mature, and the excellent libraries such as Lodash and Dayjs can meet the needs of our array and date. This article will not repeat these common fragments. Test element external click When hiding the pop -up box or put away the drop -down menu, use the Contains method instead of layer -by -layer inspections. // Code example (omitted here) Open the official website quickly Check the homepage or code warehouse of the third -party library, you can
2025-01-26 comment 0 975
Course Introduction：pointer-events is a CSS attribute that controls whether an element responds to pointer events. Common values include auto, none, visiblePainted, etc.; 1. It can be used to achieve "visual existence but not clickable", such as button disable effect; 2. Intercept clicks in the pop-up mask layer to prevent background elements from being operated; 3. Control multi-layer interactions and dynamically switch layers that can respond to events; 4. It is necessary to combine JS event management to avoid relying solely on pointer-events:none to prevent event triggering; 5. Mobile terminals need to pay attention to compatibility issues, and it is recommended to cooperate with opacity and event listeners to unified control of interaction logic.
2025-07-19 comment 0 281
Course Introduction：The key to using C for GUI applications is to select the right library and master the process. 1. It is recommended to use Qt or wxWidgets, with full documents and active community; 2. The basic steps of Qt creating window applications include: installing QtCreator, creating projects, inheriting QMainWindow to add controls and event processing; 3. Use signal and slot mechanism to achieve interaction, such as a button click to pop up a prompt box; 4. It is recommended to use layout managers such as QHBoxLayout, QVBoxLayout, QGridLayout, QFormLayout, etc. to avoid manual positioning; 5. Pay attention to memory management (parent-child object mechanism), thread operation (QThread or QtConcurrent) and the like
2025-07-02 comment 0 843
Course Introduction：The Reachability feature of the iPhone can be enabled via settings and used for one-handed operation. 1. Turn on: Go to "Settings" → "Assisted Functions" → "Touch" → "Reachability" and turn on the switch; 2. Use: Tap the home button twice for iPhone with home button, and tap the bottom edge of the screen twice for full-screen iPhone; 3. Applicable scenarios: convenient to click on the top button, close pop-up windows or notification bar quick settings, etc.; 4. Frequently asked questions: If it does not take effect, check whether it is turned on, avoid accidentally touching, or confirm whether the double-click position is at the bottom edge. This function is simple and practical, and can effectively improve operational convenience.
2025-07-19 comment 0 793
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 0 674
Course Elementary 13779
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 82290
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 13148
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 24595
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 27455
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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