---
title: "Mohamed Zkrallah (@zkrallah) | Hashnode"
description: "Mohamed Zkrallah (@zkrallah) writes on Hashnode. Read their latest articles and follow their work."
url: "https://hashnode.com/@zkrallah"
---

@zkrallah

# Mohamed Zkrallah

@zkrallah · Joined May 2026

### [Geohashing, Quadtrees, R-trees - Yaquod's Strong Long Arms](https://yaquod.hashnode.dev/geohashing-quadtrees-r-trees-yaquod-s-strong-long-arms?utm_source=hashnode&utm_medium=feed)

Introduction Did you ever wonder how locations are stored in a database? To answer this question, we need to define what is a location in the first place? How can we describe a location to someone els

18 min read · [yaquod.hashnode.dev](https://yaquod.hashnode.dev/geohashing-quadtrees-r-trees-yaquod-s-strong-long-arms?utm_source=hashnode&utm_medium=feed)

[May 25](https://hashnode.com/posts/geohashing-quadtrees-r-trees-yaquod-s-strong-long-arms/6a1450897d85e6a1afdc4402)

### [Introduction to Yaquod Engineering Blogs](https://yaquod.hashnode.dev/introduction-to-yaquod-engineering-blogs?utm_source=hashnode&utm_medium=feed)

Yaquod Engineering - Introduction to Our Robotaxi System

8 min read · [yaquod.hashnode.dev](https://yaquod.hashnode.dev/introduction-to-yaquod-engineering-blogs?utm_source=hashnode&utm_medium=feed)

[May 7](https://hashnode.com/posts/introduction-to-yaquod-engineering-blogs/69fc8b4a3d9a9c1019bb69ea)