---
title: "Illia Ratkevych (@einsteins_brain) | Hashnode"
description: "Software Engineer. Read the latest articles by Illia Ratkevych on Hashnode."
url: "https://hashnode.com/@einsteins_brain"
---

@einsteins\_brain

# Illia Ratkevych

@einsteins\_brain · Kyiv, Ukraine · Joined January 2017

Software Engineer

## Comments

[I think (and hope) that after the hype about AI-generated content is over, people will appreciate human-made content more as it feels more authentic.](https://hashnode.com/posts/is-blogging-still-worth-it/678d150524314ca1255fbb44/comment/678f73fbc9ce72bc7800f68c)

Comment · Article · Jan 21, 2025 · [Is blogging still worth it](https://hashnode.com/posts/is-blogging-still-worth-it/678d150524314ca1255fbb44)

[Thanks for the article. I assumed that EF must have something like you specified. However, it did not recognize .HasCheckConstraint() method :( I didn't find info about EF version you used. I can assume that in 2023 it was EF Core 7 or something like that, but still not sure.](https://hashnode.com/posts/ef-core-and-postgresql-check-constraints/64c813353cc2baa64fa86153/comment/677314157d44ad2d82f1fe89)

Comment · Article · Dec 30, 2024 · [EF Core and PostgreSQL: Check Constraints](https://hashnode.com/posts/ef-core-and-postgresql-check-constraints/64c813353cc2baa64fa86153)

[Oh, I remember that episode. "Dear ser slash madam. Fire! Fire! Please help!" 😂](https://hashnode.com/forums/thread/what-are-some-of-the-funniest-developer-memes-you-have-come-across/comment/59b932b8beefeacf5e69e42b#reply-59b97a6cbeefeacf5e69ee48)

Reply · Thread · Sep 13, 2017 · 2 · [What are some of the funniest developer memes you have come across?](https://hashnode.com/forums/thread/what-are-some-of-the-funniest-developer-memes-you-have-come-across)