Answers by CoreUI Core Team
Explanations that go beyond quick fixes — helping developers understand the concepts behind problems, why they happen, and how to avoid them in the future.
How to set default props in React
Set default props in React using function parameter defaults or defaultProps for fallback values and component robustness.
How to use @Output decorator in Angular
Use @Output decorator in Angular with EventEmitter to emit custom events from child to parent components for effective communication.
How to use two-way data binding in Angular
Use two-way data binding in Angular with ngModel directive and banana-in-a-box syntax for synchronized form inputs and component state.
How to use useMemo in React
Use useMemo hook in React to memoize expensive calculations and optimize component performance with dependency-based caching.
How to check if a file exists in Node.js
Check if a file exists in Node.js using fs.existsSync() or fs.promises.access() methods for file validation and error prevention.
How to create a new React app
Create a new React application using create-react-app or Vite for modern development with optimized build tools and configuration.
How to emit events in Vue
Emit events in Vue components using $emit method for child-to-parent communication and custom event handling patterns.
How to fetch changes in Git
Fetch changes in Git using git fetch command to download remote updates without merging for safe repository synchronization.
How to generate a module in Angular
Generate Angular modules using ng generate module command for organizing components, services, and features into logical groups.
How to handle form input in Vue
Handle form input in Vue using v-model directive for two-way data binding and reactive form state management.
How to parse JSON body in Node.js
Parse JSON request bodies in Node.js using Express.json() middleware or built-in methods for API development and data processing.
How to switch branches in Git
Switch Git branches using git checkout or git switch commands for navigating between different development streams and features.
How to use @Input decorator in Angular
Use @Input decorator in Angular to define component properties that accept data from parent components for reusable component design.
How to use Bootstrap in React
Use Bootstrap in React applications through CDN, npm installation, or react-bootstrap components for responsive design and UI components.
How to use dynamic classes in Vue
Use dynamic classes in Vue with class binding syntax for conditional styling and responsive UI based on component state.
How to use useRef in React
Use useRef hook in React to access DOM elements directly and store mutable values without causing re-renders.
How to conditionally render elements in React
Conditionally render React elements using logical operators, ternary expressions, and conditional statements for dynamic UIs.
How to handle GET requests in Node.js
Handle GET requests in Node.js using Express.js for API endpoints, data retrieval, and RESTful web service development.
How to list branches in Git
List Git branches using git branch command to view local and remote branches for navigation and branch management workflows.
How to merge branches in Git
Merge Git branches using git merge command to integrate feature work into main branch for collaborative development workflows.
How to pass data to child components in Angular
Pass data to child components in Angular using @Input decorator for parent-to-child communication and component reusability.
How to serve static files in Node.js
Serve static files in Node.js using Express.js static middleware for CSS, JavaScript, images, and frontend assets delivery.
How to style components with SCSS in Vue
Style Vue components with SCSS using lang attribute for advanced CSS features like variables, mixins, and nesting support.
How to use event binding in Angular
Use event binding in Angular with parentheses syntax to handle user interactions and trigger component methods from template events.
How to use Tailwind CSS with Angular
Use Tailwind CSS with Angular for utility-first styling through proper installation, configuration, and build integration.
How to use the key prop in React lists
Use key prop in React lists with unique identifiers for optimal performance and correct component state management during updates.
How to use v-if in Vue
Use v-if directive in Vue for conditional rendering based on expressions with v-else and v-else-if for complete conditional logic.
How to use watchers in Vue
Use watchers in Vue to observe data changes and perform side effects with watch option for reactive programming patterns.
How to clone a Git repository
Clone Git repositories using git clone command to create local copies for development, collaboration, and contribution workflows.
How to create a component in Vue
Create Vue components using Single File Components with template, script, and style sections for modular application architecture.
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