• HackerNews Top 10

What's OAuth2 Anyway?

Jan 26, 2025 • 44 min read

Why the OAuth2 protocol was designed the way it is and how it works.

• authorization
• security
• standards

Papercups: Customer Service Platform

Sep 30, 2024 • 36 min read

Designing a customer support platform with live chat features similar to Zendesk or Intercom.

• open source
• architecture
• platform
• communication
• javascript
• elixir

• KubeWeekly#391

OTel Collector

Jun 16, 2024 • 20 min read

Telemetry Processing as a Service with OTel Collector

• open source
• architecture
• observability
• golang

OTel SDK

Apr 25, 2024 • 16 min read

Logs, metrics, traces collection in OTel SDK

• open source
• architecture
• observability
• python

Jupyter Kernel Architecture

Aug 24, 2023 • 15 min read

How Jupyter executes, inspects, completes and debug code

• open source
• architecture
• jupyter

React Hooks

Jul 1, 2022 • 6 min read

How I learned about hooks by upgrading this website

• UI engineering
• software engineering
• javascript

Communicate Through Code

May 27, 2022 • 18 min read

Learn to communicate your ideas clearly while coding

• software engineering
• python

The Nature of Distributed Systems

Jul 20, 2021 • 10 min read

How distributed systems are different to single-node setups?

• system design

Design LRU Cache

Jun 16, 2021 • 8 min read

Have fun designing least-recently-used cache in Python

• algorithmic coding
• data structures
• python

Heapify ✌️

May 16, 2021 • 9 min read

How the priority queue and heap work: theory, implementation, complexity. Heap sorting and other applications.

• algorithmic coding
• data structures
• python

How I built my ML workstation 🔬

Apr 18, 2021 • 24 min read

A full story about building a custom ML workstation. From parts picking to software installation and using.

• machine learning
• computer engineering

K-Nearest Neighbors 👨‍👩‍👧‍👦

Apr 5, 2021 • 5 min read

Theoretical aspects of the KNN algorithm. Where it can be applied and when it fails.

• machine learning

Rock, Paper, Scissors

Jan 31, 2021 • 7 min read

Play rock, paper, scissors game powered by computer vision

• computer vision