Category
Programming Guides
Languages, frameworks, patterns and playbooks.
Kafka Beyond Basics: Consumer Groups, Replication, Ordering
The three intermediate concepts that turn Kafka from a toy into a production tool.
Kafka Explained Simply: Topics, Producers, Consumers
Kafka is a super-fast message queue that never forgets. Here's the mental model in plain English.
YAML Explained with Examples
YAML is everywhere in DevOps (Docker Compose, Kubernetes, GitHub Actions). Learn its 6 rules and you're done.
Bash Scripting: The Basics You'll Use Every Week
Variables, loops, conditionals and pipes in Bash — enough to automate 90% of everyday tasks.
Python Data Structures: Lists, Dicts and Sets
The three collections you'll use every single day — with real examples.
Python for Absolute Beginners
The absolute essentials of Python — variables, if, loops and functions — in the clearest possible words, with runnable examples.
React 19 useOptimistic Explained
The new hook that makes optimistic UI trivial — with a working example.
Python Async: A Practical Guide
asyncio, event loops and when NOT to use async.