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Course Introduction：The method of making a vertical navigation bar in Bootstrap is as follows: 1. Use the flex-column class to change the default horizontal navigation to vertical arrangement, and the structure code is; 2. Add p-3, mb-2 and other classes to optimize the spacing and inner margins, use bg-light and text-dark to adjust the color to improve the appearance; 3. Optionally add icons (such as BootstrapIcons) or static submenu to enhance functions and visual effects. These steps allow you to quickly build a responsive and uniformly styled vertical side navigation bar.

2025-07-20 comment 0  234

Course Introduction：CSSScrollSnap improves the scrolling experience through adsorption effects. Common scenarios include horizontal scrolling navigation bar, vertical paginated scrolling and local adsorption in multi-column layouts. For horizontal scrolling, you need to set the container to flex layout and use scroll-snap-align:start; for vertical scrolling, you must unify the page height and combine scroll-snap-type:ymandatory; local adsorption is suitable for card lists, and scroll-snap-align:center is commonly used to achieve centered sliding. Notes include compatibility issues, incomplete support for some browsers, and conflicts with fixed positioning or transform. It is recommended to test different devices and browsers during development.

2025-07-05 comment 0  941

Course Introduction：Writing-mode is an attribute in CSS that controls the writing direction of text. Common values ??include horizontal-tb (default), vertical-rl (vertical from right to left) and vertical-lr (vertical from left to right); its common uses include vertical text that supports Japanese and Korean languages, vertical navigation bar layout, PDF reader interface adaptation, etc.; text-orientation is used to control the direction of a single character in vertical mode. Common values ??include mixed (default, Latin characters remain horizontal), upright (all characters are displayed vertically), sideways (characters rotate 90 degrees clockwise); when processing RTL languages ??such as Arabic, dire must be used to deal with RTL languages ??such as Arabic.

2025-07-09 comment 0  1027

Course Introduction：Flexbox should be selected for one-dimensional layout, such as navigation bar, responsive components, and vertical centering; use CSSGrid to handle two-dimensional layouts. 1. Flexbox is suitable for horizontal or vertical arrangement of elements, such as link alignment and spacing control in the navigation bar; 2. When building responsive components (such as buttons and form controls), Flexbox provides more intuitive layout adjustments; 3. Flexbox simplifies the vertical centering problem, which can be achieved through align-items and justify-content. For complex layouts that require both rows and columns to be managed simultaneously, CSSGrid should be selected.

2025-07-02 comment 0  468

Course Introduction：Use Photoshop to add text to photos to follow the following steps: 1. Select the right tool: Use the text tool (T-shaped icon) to enter text, select horizontal or vertical rows, and set the font, size and color in advance; 2. Adjust the style and position: Adjust the style through the option bar or panel, such as adding a translucent background box, stroke effect, changing color contrast, etc.; 3. Let the text be integrated into the picture style: match the font according to the picture style, try embossing effects, blending modes, projection and other methods to enhance the sense of nature.

2025-07-13 comment 0  1015

Course Elementary  13794

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.