Tips tagged with "Security"

Browse all tips tagged with Security.

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

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 Easy

Preventing SQL Injection in PHP

Learn essential techniques to protect your PHP applications from SQL injection attacks.

PHP 8.0+

Diagram Try the challenge

2 min read · 891 Read tip