---
title: "Daniel Olah (@dannyell) | Hashnode"
description: "Web developer by day, Indie hacker by night! Read the latest articles by Daniel Olah on Hashnode."
url: "https://hashnode.com/@dannyell"
---

@dannyell

# Daniel Olah

@dannyell · Nigeria, NG · Joined December 2024

Web developer by day, Indie hacker by night!

### [How to Build Flexible Data Models in Django with JSONField and Pydantic](https://danielolah.hashnode.dev/how-to-build-flexible-data-models-in-django-with-jsonfield-and-pydantic?utm_source=hashnode&utm_medium=feed)

Traditional relational databases have long struggled with storing semi-structured data. This inflexibility comes from the need for a predefined schema, which can require upfront planning. But in recent years, RDBMS have evolved, offering more flexibi...

7 min read · [danielolah.hashnode.dev](https://danielolah.hashnode.dev/how-to-build-flexible-data-models-in-django-with-jsonfield-and-pydantic?utm_source=hashnode&utm_medium=feed)

[Dec 15, 2024](https://hashnode.com/posts/how-to-build-flexible-data-models-in-django-with-jsonfield-and-pydantic/675f2d893de5847c2ef4da70)

### [Generics & Type Constraints in TypeScript, Go and C#: A Comprehensive Exploration](https://danielolah.hashnode.dev/generics-type-constraints-in-typescript-go-and-c-a-comprehensive-exploration?utm_source=hashnode&utm_medium=feed)

Explore generics and type constraints in TypeScript, Go, and C

11 min read · [danielolah.hashnode.dev](https://danielolah.hashnode.dev/generics-type-constraints-in-typescript-go-and-c-a-comprehensive-exploration?utm_source=hashnode&utm_medium=feed)

[Dec 6, 2024](https://hashnode.com/posts/generics-type-constraints-in-typescript-go-and-c-a-comprehensive-exploration/6752bb67e4644f0a84f0ed67)