Tips tagged with "Beginner"

Browse all tips tagged with Beginner.

Next.js Medium

Next.js App Router: Server Components vs Client Components

Server Components run only on the server; Client Components hydrate in the browser. See how Next.js App Router renders both, and when to actually reach for 'use client'.

Next 14.x - 15.x React 18.x - 19.x

Diagram

3 min read · 906 Read tip

JavaScript Medium

Debounce vs Throttle in JavaScript: Control How Often Code Runs

Scroll, resize, and keystroke events fire dozens of times a second. Learn how debounce and throttle rate-limit them — and which one to reach for.

JavaScript ES6+

Diagram

2 min read · 926 Read tip

Database Medium

Database Indexes: Turn a Full Scan Into an Instant Lookup

See why a query without an index scans every row, how an index turns it into a fast lookup, and how to read EXPLAIN to tell the difference.

SQL ANSI / MySQL 8+

Diagram Try the challenge

2 min read · 1,708 Read tip

PHP Medium

PHP 8.4 Property Hooks Explained

Discover the new property hooks feature in PHP 8.4 that provides a cleaner way to add logic to property access.

PHP 8.4

Try the challenge

1 min read · 1,255 Read tip

JavaScript Easy

JavaScript Async/Await Best Practices

Master async/await in JavaScript with these best practices and common pitfalls to avoid.

JavaScript ES2017+

Diagram Try the challenge

1 min read · 1,833 Read tip