REST APIs with Flask: Build a JSON API in 30 Minutes
Design and build a versioned REST API with Flask, returning JSON responses, handling errors gracefully, and securing endpoints with API keys.
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SQLite to PostgreSQL: Migrating Your Flask App
SQLite is great for development but PostgreSQL is what you need in production. Here's a step-by-step migration guide with zero downtime.
Deploying Flask on Railway in 10 Minutes
Railway is the fastest way to get a Flask app live. Push to Git and it deploys automatically — free tier included.
Python Web Scraping with BeautifulSoup and Requests
Collect data from any website using Python's requests and BeautifulSoup. Covers headers, pagination, rate limiting, and storing results in CSV.
Understanding CSRF Attacks and How Flask Protects You
Cross-Site Request Forgery is one of OWASP's Top 10. Learn what CSRF is, how attackers exploit it, and how to implement rock-solid protection in Flask.
SQL Injection: What It Is and How to Prevent It
SQL injection is still the number-one web vulnerability. Learn how attackers exploit it, how to find it in your own code, and how to eliminate it permanently.
Rate Limiting APIs Without Flask-Limiter
Build your own in-memory and Redis-backed rate limiter for Flask — no third-party middleware required. Covers sliding windows and per-IP limits.
Understanding AI Tokens and How Pricing Really Works
What exactly is a 'token' in AI? How do providers count them? And why does your bill vary so wildly? A clear breakdown for developers.
Git for Developers: The Commands You'll Use Every Day
Beyond git add and git commit — the Git commands that actually matter in a team environment: branching, stashing, rebasing, and undoing mistakes.