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3 posts tagged with "security"

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SimpleEval with Examples

· 5 min read
Serhii Hrekov
software engineer, creator, artist, programmer, projects founder

While simpleeval is great for basic calculators, its true power shines in production environments where you need to let users define their own logic-like setting up custom alerts, dynamic pricing discounts, or conditional triggers-without exposing your server to malicious code execution.

How to sign your commits with a GPG key so that "Verified" badge appears next to your name on GitHub?

· 5 min read
Serhii Hrekov
software engineer, creator, artist, programmer, projects founder

That "Verified" badge on GitHub isn't just for show-it's a cryptographic guarantee that the code actually came from you and hasn't been tampered with. Without it, anyone can technically spoof your name and email in a Git commit.

By using GPG (GNU Privacy Guard), you "seal" your commits with a private key that only you possess. GitHub then uses your public key to verify that seal.

Supabase Pitfalls: Avoid These Common Mistakes for a Robust Backend

· 13 min read
Serhii Hrekov
software engineer, creator, artist, programmer, projects founder

Supabase Pitfalls: Avoid These Common Mistakes for a Robust Backend​

Supabase offers a powerful open-source alternative to Firebase, built around PostgreSQL. Its ease of use makes it a favorite for rapid development, but this very convenience can lead developers down paths that introduce technical debt, performance bottlenecks, and security vulnerabilities. Understanding and avoiding these common pitfalls is crucial for building a robust and scalable application.