Tech.ish Thoughts
Learning Paths

Article Series

Deep-dive into complex topics with our curated multi-part series. Each series builds knowledge progressively, from fundamentals to advanced concepts.

5 series
28 articles
666 min total

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Use the overview to jump straight to a series card and compare scope at a glance.

Object Detection from Scratch
6 parts
Series

Object Detection from Scratch

Why a Magic: The Gathering card detector is a serious engineering project, not a toy demo. Part 1 frames the product problem, t…

Object DetectionComputer VisionYOLO
Arthur CostaAArthur Costa
•
132 min total
•Aug 2026

In this series

  1. 1Why This Project Is Worth Building
  2. 2Dataset, Labels, and the Reality of Training Data
  3. 3Training the Detector
  4. +3 more parts
Open series
Polyglot GraphQL Federation
5 parts
Series

Polyglot GraphQL Federation

Why monolithic GraphQL APIs collapse under the weight of growing teams and domains. An introduction to GraphQL Federation 2 and…

GraphQLFederationMicroservices
Arthur CostaAArthur Costa
•
124 min total
•May 2026

In this series

  1. 1The Monolith's Breaking Point
  2. 2Three Languages, One Schema
  3. 3When GraphQL Meets gRPC and REST
  4. +2 more parts
Open series
Off-Heap Algorithms in Java
12 parts
Series

Off-Heap Algorithms in Java

From a naive heap-based queue to an off-heap ring buffer with dramatically better throughput, tail latency, and GC behavior for…

JavaOff-HeapConcurrency
Arthur CostaAArthur Costa
•
343 min total
•Apr 2026

In this series

  1. 1The Ring Buffer Foundation
  2. 2Wait-Free SPSC Queues in Java
  3. 3Lock-Free MPSC Queues: Production-Grade Implementation
  4. +9 more parts
Open series
Actor Model on the JVM
3 parts
Series

Actor Model on the JVM

Explore the evolution of Object-Oriented Programming and its challenges in concurrent programming, setting the stage for unders…

Actor ModelJavaConcurrency
Arthur CostaAArthur Costa
•
54 min total
•Jul 2025

In this series

  1. 1The OOP and the Rise of Concurrency Challenges
  2. 2The The Pitfalls of Shared State
  3. 3The The Final Chapter
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Blockchain Foundations
2 parts
Series

Blockchain Foundations

Understanding Blockchain: The Technology Behind a Decentralised Future. Comprehensive guide to blockchain technology, its mecha…

BlockchainCryptocurrencyDecentralization
Gabriel JeronimoGGabriel Jeronimo
•
13 min total
•Apr 2025

In this series

  1. 1What is Blockchain, How Does It Work and Why Does It Matter?
  2. 2Building an Escrow Marketplace Smart Contract: A Beginner's Guide to Solidity
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