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Article Introduction：Use TransitionGroup in Vue to implement list animations. 1. Add animations when adding and deleting list items, use TransitionGroup to wrap the list items rendered by v-for and set a unique key, and achieve fading and sliding effects with CSS transition class; 2. Add a .move class on the list sorting animation, Vue will automatically calculate the position difference and transition; 3. Avoiding lags, you should give priority to opacity and transform animations, control the list length, enable the appear attribute to ensure the animation is loaded for the first time, and test browser compatibility.

2025-07-12 comment 0  161

Article Introduction：Master the Vue 3 Composition API to build shopping list applications This article demonstrates how to build a shopping list application using the Vue 3.0 Composition API and explains its advantages to make its code easier to read and maintain. The Composition API, as an optional new way of creating and organizing components in Vue 3, makes the definition of responsive component logic more intuitive by grouping all code for specific functions (such as search). This will make your application more scalable and reusable. Core points: The Vue 3.0 Composition API provides a more accessible and intuitive way to define responsive component logic to enable

2025-02-10 comment 0  318

Article Introduction：The key to implementing search filtering functions in Vue projects is to use computed attributes for responsive data processing. 1. First prepare the list data and input boxes, use v-model to bind search keywords, and render the filtered list through v-for; 2. Use the computed attribute to define filteredList, and use searchQuery to perform case-insensitive inclusion matching of items, so as to achieve automatic update without modifying the original data; 3. You can add search results prompts and anti-shake mechanisms to improve your experience; 4. If you need multi-field filtering, you can expand the matching logic inside the filter or split multiple input boxes to combine the query.

2025-07-17 comment 0  308

Article Introduction：The article discusses internationalization (i18n) in Vue.js, focusing on using vue-i18n for managing translations, best practices for multiple languages, and efficient language switching techniques.

2025-03-31 comment 0  735

Article Introduction：A friend once contacted me asking if I had a way to dynamically change one HTML element into another within Vue’s template block. For instance, shifting a

2025-03-27 comment 0  1106

Article Introduction：There are three common ways to view all tables under a database in MySQL. 1. Use USEdatabase_name; execute SHOWTABLES after switching the database; list all tables in the current database; 2. When not switching the database, execute SHOWTABLESFROMdatabase_name; view the tables of the specified database; 3. Query INFORMATION_SCHEMA.TABLES to obtain more detailed table information, such as types and engines, you need to use SELECTtable_name, table_type, engineFROMinformation_schema.tablesWHEREtable_

2025-07-13 comment 0  199

Article Introduction：You can query the Vue version by using Vue Devtools to view the Vue tab in the browser's console. Use npm to run the "npm list -g vue" command. Find the Vue item in the "dependencies" object of the package.json file. For Vue CLI projects, run the "vue --version" command. Check the version information in the <script> tag in the HTML file that refers to the Vue file.

2025-04-07 comment 0  799

Article Introduction：In Assassin’s Creed Shadows you’ll be switching between two characters—Naoe, the stealthy shinobi, and Yasuke, the heavy-hitting samurai—but it’s all you. No one else is joining in. Just you, the story, and a very large list of targets to take down.T

2025-03-25 comment 0  524

Article Introduction：The core of using dynamic components in Vue is to achieve flexible component switching. 1. Use tag combination: is attribute to bind component names, objects or variables to realize Tab switching and other scenarios; 2. Components need to be registered first, supporting asynchronous loading; 3. Coordinate with cacheable status to avoid duplicate loading; 4. Pass parameters to dynamic components through v-bind or v-model; 5. It is recommended to store component names in variables to improve flexibility and maintainability. The rational use of dynamic components can simplify interface switching logic, but attention should be paid to avoid excessive caching and component splitting.

2025-07-15 comment 0  286

Article Introduction：The Create H5 drop-down menu includes the following steps: Create a drop-down list, apply a CSS style, add toggle effects, and handle user selections. The specific steps are as follows: Use HTML to create a drop-down list. Use CSS to adjust the appearance of the drop-down menu. Use JavaScript or CSS to achieve the switching effect. Listen to change events to handle user selections.

2025-04-06 comment 0  1266

Article Introduction：It is inappropriate to use an index as the key of a Vue list because: the index changes as elements are added or removed. There may be elements in the array with the same index. Reordering the list changes the index.

2025-04-07 comment 0  982

Article Introduction：Use in Vue to preserve the state of component switching. 1. Enable cache by wrapping dynamic components in tags; 2. Use include and exclude attributes to control the cache scope; 3. Components need to define the name attribute and use it with v-if; 4. The cache component will trigger activated and deactivated life cycle hooks; 5. Applicable to Tab switching, form wizard, search and details pages and other scenarios, but excessive use should be avoided to avoid affecting performance.

2025-07-12 comment 0  288

Article Introduction：Use keep-alive to solve the problem of repeated loading during Vue component switching and preserve component state. 1. It caches dynamic components to avoid destruction and reconstruction, and maintains the input box content, scroll position, etc.; 2. It is often used in scenarios such as tab switching, pop-up windows, sidebars, etc.; 3. Pay attention to cleaning up timer and event monitoring to prevent exceptions; 4. Control the cache range through include and exclude attributes, and give priority to include precise cache; 5. Reasonable use can improve user experience, but it is necessary to avoid abuse causing excessive memory or confusing status.

2025-07-11 comment 0  770

Article Introduction：The method of creating and switching branches in VSCode is as follows: First, open the Git sidebar, click the source control icon in the left toolbar or use the shortcut key Ctrl Shift G (Mac is Cmd Shift G); secondly, when creating a new branch, click the top branch name and select "Create branch". After entering a meaningful name, VSCode will automatically switch to the branch; finally, when switching to an existing branch, click the branch name again, select "Switch to..." and select the target branch from the list. If there are conflicting uncommitted changes, you can choose to commit or save changes to avoid problems.

2025-07-11 comment 0  326

Article Introduction：To efficiently build multilingual front-end applications, it is necessary to use international libraries, standardize translation management, optimize switching experience, and strengthen testing and verification. 1. Use i18n libraries such as react-i18n and vue-i18n to realize functions such as translation, language switching, interpolation, etc.; 2. Organize translation files according to modules, unify naming rules and cooperate with collaboration tools to reduce maintenance costs; 3. Consider the impact of language on layout and RTL to avoid page refresh and maintain state; 4. Verify translation integrity through automated tools to ensure that the UI display in multiple languages is normal, thereby improving maintainability and user experience.

2025-07-18 comment 0  729

Article Introduction：The function of Vue's key attribute in v-for is to help Vue update and reuse DOM elements efficiently. Through a unique and stable key, Vue can accurately identify which items have been changed, added or removed. 1. The key enables Vue to correctly track each list item to avoid rendering errors caused by default using indexes; 2. When there is no suitable key, Vue may mistakenly reuse elements, causing state confusion; 3. The best practice is to use unique identifiers (such as item.id) in the data, rather than indexes or random values; 4. Dynamically changing the key can be used to force re-render components, such as resetting forms or refreshing data.

2025-07-12 comment 0  956

Article Introduction：Common functions of the os module include obtaining/switching directories, file and directory operations, path stitching and splitting. Specifically: 1. Use os.getcwd() to get the current directory, os.chdir() to switch the directory; 2. List the directory contents through os.listdir(), create the directory, os.mkdir(), delete the empty directory, and combine os.path.isfile()/isdir() to determine whether the file or directory exists; 3. Use os.path.join() to securely splice the path across platforms, os.path.split() to split the path into directory and file name, os.path.splitext() separates the file name and extension,

2025-07-20 comment 0  738

Article Introduction：Methods to optimize CSS transmission in Vue applications include: 1. Loading styles on demand, and automatically importing and on-demand injection through component-level scoped styles and tools such as unplugin-vue-components to reduce global pollution and first-screen volume; 2. Enable on-demand introduction plug-ins, such as unplugin-element-plus, to only package the used component styles; 3. Inline the critical CSS into HTML, extract and insert critical path styles with the help of building tools to avoid additional request delays; 4. Load non-critical CSS asynchronously, use media attribute switching, dynamically create link tags or lazy loading library LoadCSS, and preload the corresponding styles in the route guard;

2025-07-17 comment 0  442

Article Introduction：The core role of a routing group is to control the delivery path of a call or packet, especially when multiple levels of failover or multipath selection are required. It is called in the set order as a container for a group of gateways. If gateway A is not available, try gateway B; the creation steps include adding gateways, setting order, and associating routing lists; the routing list acts as a dispatcher to decide how to use gateways in the routing group to achieve flexible strategies, such as master-slip switching; common application scenarios include outbound call failover, routing selection by time period or number prefix, and traffic sharing; when configuring, you need to pay attention to the gateway activation status, priority order, correctly binding the routing list and sufficient testing.

2025-06-25 comment 0  271

Article Introduction：In Vue, the core difference between v-if and v-show lies in the rendering method and applicable scenarios. v-if is "true deletion". When the condition is false, the element will not be rendered to the DOM. It is suitable for scenes that are not frequently switched, such as content that does not need to be displayed during initialization; v-show is "fake hiding", and displays through CSS control, the element always exists in the DOM, which is suitable for scenes that are frequently switched, such as pop-up windows or drop-down menus. The key differences between the two are reflected in: 1. Different rendering methods; 2. Different switching overheads; 3. Different initial rendering overheads; 4. Whether to retain state. Use suggestions include: use v-if for form verification prompts, use v-show for frequently switching content, and use complex components to optimize performance.

2025-07-06 comment 0  944