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 drag and drop files in React

Implement drag and drop file upload in React using native HTML5 drag and drop events with proper visual feedback.

How to filter a list in React

Filter lists in React by combining multiple criteria using array filter method and state to create dynamic filtering functionality.

How to use SSH keys in Git

Use SSH keys for Git authentication to securely access repositories without passwords using public-private key cryptography.

How to store Git credentials

Store Git credentials securely using credential helpers that save authentication details in system keychains or encrypted storage.

How to stream file downloads in Node.js

Stream file downloads in Node.js using createReadStream to efficiently serve large files without loading them entirely into memory.

How to validate file uploads in Node.js

Validate file uploads in Node.js using Multer filters to check file types, sizes, and content before accepting uploads.

How to sort a table in Vue

Sort table data in Vue 3 by implementing sorting logic with computed properties to track sort field and direction.

How to paginate a table in Vue

Implement table pagination in Vue 3 by slicing data based on current page and items per page with navigation controls.

How to use Angular CLI build commands

Use Angular CLI build commands to compile applications with different configurations, optimizations, and output options.

How to use Angular environments for production and dev

Use Angular environment files to manage different configurations for development and production builds with automatic file replacement.

How to sort a list in React

Sort lists in React by implementing sorting logic with array sort method and state to track sort field and direction.

How to search in a list in React

Implement search functionality in React lists by filtering data based on user input with controlled input and array filter method.

How to rethrow an error in JavaScript

Rethrow errors in JavaScript using throw within catch blocks to propagate errors after logging or handling them partially.

How to generate UUID in JavaScript

Generate unique identifiers (UUIDs) in JavaScript using crypto.randomUUID() or the uuid library for reliable ID generation.

How to configure Git credentials

Configure Git credentials using credential helpers to securely store and manage authentication for remote repositories without repeated logins.

How to configure Git line endings

Configure Git line endings using core.autocrlf to handle Windows CRLF and Unix LF line endings consistently across platforms.

How to upload multiple files in Node.js

Handle multiple file uploads in Node.js using Multer with array or fields methods to process multiple files in a single request.

How to upload files in Node.js

Handle file uploads in Node.js using Multer middleware to process multipart form data and save uploaded files to disk or memory.

How to build a table in Vue

Build data tables in Vue 3 using v-for to render rows dynamically from arrays with proper headers and responsive styling.

How to export data to Excel in Vue

Export data to Excel format in Vue 3 using the xlsx library to create spreadsheet files with formatted data and multiple sheets.

How to configure Angular environment variables

Configure environment variables in Angular using environment files to manage different settings for development, staging, and production.

How to translate text with Angular i18n

Translate text in Angular applications using the built-in i18n internationalization system with translation markers and locale files.

How to paginate data in React

Implement pagination in React by slicing data arrays based on current page and items per page with navigation controls.

How to preview uploaded image in React

Preview images before upload in React using FileReader or URL.createObjectURL to display selected images instantly.

How to create a custom error in JavaScript

Create custom error classes in JavaScript by extending the Error class to handle specific error types with additional context.

How to catch an error in JavaScript

Catch and handle errors in JavaScript using try-catch blocks to prevent crashes and provide graceful error handling.

How to configure Git diff tool

Configure a visual diff tool for Git using git config diff.tool to compare file changes with tools like VS Code, Meld, or Beyond Compare.

How to configure Git merge tool

Configure a visual merge tool for Git conflicts using git config merge.tool to set tools like VS Code, Meld, or Kdiff3.

How to handle filtering in Node.js APIs

Implement filtering in Node.js REST APIs using query parameters to search and filter data by multiple criteria with database queries.

How to handle sorting in Node.js APIs

Implement sorting in Node.js REST APIs using query parameters to specify sort field and direction with database queries.

Subscribe to our newsletter
Get early information about new products, product updates and blog posts.

Answers by CoreUI Core Team