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 use v-for in Vue

Use v-for directive in Vue to iterate over arrays, objects, and numbers for dynamic list rendering with key attributes.

How to calculate the difference between two dates in JavaScript

Calculate the difference between two dates in JavaScript using getTime() method to get milliseconds difference for accurate date calculations.

How to commit changes in Git

Commit changes in Git using git commit command with meaningful messages to save staged changes to repository history.

How to convert a timestamp to a date in JavaScript

Convert a timestamp to a date in JavaScript using new Date() constructor with timestamp parameter for accurate date object creation.

How to create a new Angular project

Create a new Angular project using Angular CLI with ng new command for fast setup and best practice project structure.

How to create a new branch in Git

Create a new branch in Git using git branch or git checkout -b commands for feature development and parallel work streams.

How to create a simple HTTP server in Node.js

Create a simple HTTP server in Node.js using the built-in http module to handle requests and serve web content.

How to get the current day in JavaScript

Get the current day in JavaScript using getDate() method to return the day of the month (1-31) for date calculations and displays.

How to get the current month in JavaScript

Get the current month in JavaScript using getMonth() method which returns 0-11, or getMonth() + 1 for standard month numbers 1-12.

How to get the current year in JavaScript

Get the current year in JavaScript using getFullYear() method for copyright notices, date validation, and year-based calculations.

How to handle form inputs in React

Handle form inputs in React using controlled components with useState and onChange events for proper form state management.

How to read files in Node.js

Read files in Node.js using fs.readFile() or fs.readFileSync() methods for accessing file content in server applications.

How to scope CSS in Vue

Scope CSS in Vue components using scoped attribute in style tags for component-specific styling without global conflicts.

How to style components with CSS in React

Style React components with CSS using className prop, CSS modules, or styled-components for maintainable and scalable styling.

How to use computed properties in Vue

Use computed properties in Vue for reactive calculations and data transformations with automatic caching and dependency tracking.

How to use ngFor in Angular

Use ngFor directive in Angular to iterate over arrays and render dynamic lists with trackBy for performance optimization.

How to use useState in React

Use useState hook in React to manage component state with functional components for dynamic data and user interactions.

How to use v-model in Vue

Use v-model directive in Vue for two-way data binding between form inputs and component data properties for reactive forms.

How to compare two dates in JavaScript

Compare two dates in JavaScript using comparison operators on Date objects for sorting, validation, and date range checking.

How to get the current date in JavaScript

Get the current date in JavaScript using new Date() constructor for timestamps, date formatting, and time calculations in web applications.

How to get the day of the week in JavaScript

Get the day of the week in JavaScript using getDay() method to return weekday numbers or toLocaleDateString() for day names.

How to get the month name in JavaScript

Get month names in JavaScript using toLocaleDateString() with weekday option for localized month names in any language.

How to subtract days from a date in JavaScript

Subtract days from a date in JavaScript using setDate() method for date calculations, scheduling, and date range operations.

How to add days to date in JavaScript

Add days to dates using setDate() method - automatically handles month/year boundaries and leap years in JavaScript.

How to check if date is today in JavaScript

Check if a date is today using toDateString() comparison - ignores time components and handles timezone consistently.

How to format date as YYYY-MM-DD in JavaScript

Format dates as YYYY-MM-DD using toISOString().split("T")[0] - the most reliable method for ISO date format in JavaScript.

How to get current timestamp in JavaScript

Use Date.now() to get the current timestamp in JavaScript - the fastest and most reliable method for milliseconds since Unix epoch.

How to get yesterday's date in JavaScript

Get yesterday's date using setDate(getDate() - 1) - handles month/year boundaries automatically in JavaScript.

How to find the least common multiple in JavaScript

Calculate LCM using the formula (a * b) / GCD(a, b) with Euclidean algorithm for efficient mathematical computations in JavaScript.

How to find the greatest common divisor in JavaScript

Use Euclidean algorithm with recursive or iterative approach to find GCD efficiently for mathematical computations in JavaScript.