Hi there, I’m Marian Posăceanu a multidisciplinary web developer with Ruby as my core programming language. This is where I write about Ruby, Rails, backend systems, APIs, search, performance, and developer tooling, with the occasional detour into philosophy and the changing web.

2026

29^th March

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

22^nd March

Kamal, Rails deployments, and Rega turntables

2025

6^th July

The analogue programmer in the land of LLMs

2024

15^th June

Moving from iTerm2 to Kitty for simplicity and performance

2023

10^th December

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

13^th October

Harmonizing Projects: Navigating the Graph of Estimation and Detail

2022

17^th July

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

4^th June

Hierarchy of perceptions

13^th February

Tips: macOS save screenshots as JPEG in a different location

10^th January

Interesting links - Is logging a "code smell" ?

2018

11^th March

Multiple data stores and eventual consistency using micro-services

2017

26^th August

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

22^nd June

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

8^th April

Keep your Rails logs free of unwanted noise

20^th March

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

15^th March

Programming archaeology: PHP's dollar sigil

2016

23^rd September

macOS Sierra upgrade from a developer's perspective

7^th September

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

20^th June

Making Rails asset pipeline faster

Earlier writing

Archive: 2015, 2014, 2013, 2011 and 2010.