Hi there, I'm Marian Posăceanu: a thirty something Ruby developer. This is where I blog about: ruby, rails, performance, philosophy, javascript, conferences, tips, unicorn, jruby, heroku.

2026

Semantic search in Rails using sqlite-vec, Kamal and Docker

Kamal, Rails deployments, and Rega turntables

2025

The analogue programmer in the land of LLMs

2024

Moving from iTerm2 to Kitty for simplicity and performance

2023

Ruby meets LISP: Unveiling alien tech at Friendly.rb's lightning talk

Harmonizing Projects: Navigating the Graph of Estimation and Detail

2022

Don’t stress, use the right gear for the job

Hierarchy of perceptions

Tips: macOS save screenshots as JPEG in a different location

Interesting links - Is logging a "code smell" ?

2018

Multiple data stores and eventual consistency using micro-services

2017

The perils of writing request specs using concurrent-ruby under the JVM

JRuby, RVM and Vim walk into a (performance) bar

Keep your Rails logs free of unwanted noise

How to reduce the size of your VMs (macOS Update)

Programming archaeology: PHP's dollar sigil

2016

macOS Sierra upgrade from a developer's perspective

Using RVM for quite some time? You should clean it up a bit

Making Rails asset pipeline faster

Archive : 2015, 2014, 2013, 2011, 2010