Field notes

Alchemist's Journal

Discover insights, tutorials, and stories from the world of alchemy and web development.

Algorithms September 22, 2026 6 min read

Mastering Two Pointers: A Step-by-Step Guide to Solving Sequence Problems

Learn the Two Pointers algorithm pattern with step-by-step explanations, Elixir examples, manual traces, and beginner-friendly exercises.

Read article 17

Algorithms September 16, 2026 5 min read

Frequency Maps in Elixir: A Small Pattern with a Big Algorithmic Impact

Learn the frequency map pattern in Elixir and use it to solve counting, anagram, palindrome, permutation, and sliding-window problems with clear, efficient code.

Read article 55

AI-Assisted Development March 18, 2026 10 min read

My first days using AI for coding

A practical account of learning to use LLMs in real coding projects, with lessons on context engineering, workflow selection, planning, verification, and developer responsibility.

Read article 18

Elixir November 25, 2025 2 min read

Mastering Concurrent Programming in Elixir

Explore how Elixir uses lightweight processes, message passing, and the BEAM to build responsive, resilient concurrent applications with practical patterns for real systems.

Read article 139