Thursday, February 12, 2026

Checking font availability on Mac 
 fc-list : family | grep "Fira Code" 
 or 
 system_profiler -json SPFontsDataType | grep \"family | sort | uniq | grep Fira

Saturday, January 17, 2026

Memo on my python virtual environments

I use venv. To make one python3.13 -m venv MYENV To activate source ./MYENV/bin/activate To turn off deactivate

Saturday, January 10, 2026

Inferring Class Diagram

# install the package
pip install pylint

# Create the directory if it doesn't exist
mkdir -p diagrams

# Generate the mermaid file
pyreverse core/ -o mmd -d diagrams/

This creates Mermaid *.mmd files in the /diagrams folder.
Now visualize this in Obsidian Excalidraw plugin.
Right click on “Excalidraw” -> “New drawing”.
In the top panel click on More tools icon, select Mermaid to Excalidraw.
Paste *.mmd text into the box.
Done. This creates an drawing with movable elements.

Checking font availability on Mac   fc-list : family | grep "Fira Code"   or   system_profiler -json SPFontsDataType | grep \...