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.

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

2015, 2014, 2013, 2011, 2010