Category: Hobbies

Plotting Mathematical Functions in Ruby, Inside Jupyter

Plotting Mathematical Functions in Ruby, Inside Jupyter March 13, 2026 ruby-libgd: Scientific Plotting Comes to Ruby The Envy We Never Talked About Anyone who has spent serious time with Ruby and then watched a Python developer type plt.show() to produce a beautiful Matplotlib graph in a Jupyter notebook knows the feeling. It is not quite … Continue reading Plotting Mathematical Functions in Ruby, Inside Jupyter →

🎾 Tennis: The Quickest Way to Visualize CSV Files in Your Terminal

🎾 Tennis: The Quickest Way to Visualize CSV Files in Your Terminal March 12, 2026 Ever open Excel or fire up a Python script just to peek at a CSV file? There’s a faster, cleaner way. Meet tennis — a blazing-fast terminal table viewer built in Zig. No Python. No pandas. No GUI. Just clean, … Continue reading 🎾 Tennis: The Quickest Way to Visualize CSV Files in Your Terminal →

🇯🇵 Kaigi 2026 Is Approaching — Why the Global Ruby Community Should Pay Close Attention

Kaigi 2026 Is Approaching — Why the Global Ruby Community Should Pay Close Attention March 2, 2026 With April approaching, RubyKaigi 2026 is about to take place in Hakodate, Japan — and for the global Ruby community, this is not just another date on the calendar. It is a moment that often defines the technological … Continue reading 🇯🇵 Kaigi 2026 Is Approaching — Why the Global Ruby Community Should Pay Close Attention →

Stabilizing a Native Ruby GIS Engine with Docker, RuboCop, and CI

January 26, 2026 For many years, Ruby developers working with maps and geospatial data have relied on external tools or loosely coupled pipelines. ImageMagick, command-line utilities, and background processes became the norm, even though they were never designed to be deterministic GIS rendering engines. The result was fragile systems: slow, hard to debug, and difficult … Continue reading Stabilizing a Native Ruby GIS Engine with Docker, RuboCop, and CI →

Compartiendo mi Docker ggerman/games

#docker @docker Este container contiene algunos de los juevos viejos que a mi me apasionaban de chico. Para empaquetarlo utilize este tutorial: http://www.jamescoyle.net/how-to/1512-export-and-import-a-docker-image-between-nodes Para ser mas especifico esta linea: docker save ggerman/games > docker-games.tar Github ayuda: https://github.com/ggerman/docker-games https://github.com/ggerman/docker-games.git # bzip2 -d docker-games.tar.bz2 Para recuperarlo luego de bajarlo es con esta linea: (previa instalación de http://docs.docker.com/mac/started/ ) docker load … Continue reading Compartiendo mi Docker ggerman/games →

Configurando vigilancia casera con IP Webcam 4 Android

Desde hace tiempo que intento ver la forma de monitorear la casa y descubrí que mediante el software:  https://play.google.com/store/apps/details?id=com.pas.webcam podemos reciclar los smartphones viejos que tenemos (o mangueamos) y generar una red de vigilancia a un bajo costo (aunque una camara IP sale $1500 o u$s 110 mas o menos cosa que poner 4 camaras serian … Continue reading Configurando vigilancia casera con IP Webcam 4 Android →