In the high-stakes world of backend engineering, Tobiloba Aramide Ogundiyan stands out not just for his skill with distributed systems and email authentication tools in Go, but for his unwavering stance on one fundamental principle: testing isn’t opt...
The Hashable Contract: Understanding __hash__ and __eq__ for Robust Python Data Structures Alright, buckle up buttercups. Today we're diving into the murky, sometimes terrifying, world of hashable objects in Python. Forget those LinkedIn influencers ...
Introduction: Is Node.js Really Leaking Memory? Have you ever noticed your Node.js app using more and more memory over time — even when it seems like nothing is wrong? You’re not alone. Memory leaks and confusing garbage collection behavior often lea...
Introduction I have worked with legacy Django projects in the past, and one thing I noticed is that static (css, jss, images) and media (images, videos, pdf, etc) files are often handled incorrectly. Media files were being served directly from the se...
Before we dig deep into the details. Let’s break down on what problem this article really addresses, what solution works best and what are the real world use cases — 🧵 Problem: GET /items with 10,000 records? Brutal. 📘 Solution: Explore pros/cons...
Starting from this post, I'm shifting gears.The next few blogs will be purely technical — heavier, sharper, with no extra storytelling. HashMap looks simple on the surface.But when you go under the hood, especially after Java 8, it’s clear it wasn’t ...
What is a Thread? Imagine a kitchen in a restaurant. The kitchen itself is like a process (e.g., a running program like a web browser or game). Inside this kitchen, there are chefs working. Each chef represents a thread—a single sequence of tasks bei...
Let’s talk about the real RAG problem. No, not your vector DB. Not your fancy embeddings.I’m talking about your ingestion pipeline — and yeah, it’s probably a host mess. You built a cool chatbot. It answers stuff. You feel proud.Then someone uploads ...
How Data Flows Through the OSI Model: A Guide for Backend Developers As a backend developer, grasping how data travels across a network is essential for creating robust, efficient, and scalable applications. The OSI (Open Systems Interconnection) Mod...
What does a senior backend engineer need to know? I would argue that a good backend engineer needs to know… everything? I started the sentence thinking that I would write “a lot” but ended up writing “everything” because it’s true. You need to know p...
