Archive

Lepl

A parser for Python 3 (and 2.6 onwards) that tries to be simple to use (the grammar is written in Python using a friendly operator syntax; it comes with a tutorial, examples, and full API docs) while remaining powerful and flexible.

RXPY is a related regular expression library.

Practi.cl

An experiment in documenting code - HTML 5, data exploration and, eventually, social cues.

Pytyp

Type-related metdata for Python 3; JSON and YAML <-> Python classes.

Languages

An introduction to programming languages that has been fairly popular (this is the second edition).

I was the first person to generate a hello world program in Malbolge, using a beam-search written in Lisp.

Otuto was a small interpreter that introduced the ideas of pattern matching to a "stack language".

Eye Candy

Some photographs taken around Santiago, Chile during the summer of 2008/2009.

A map of military spending, generated using SVG and XSLT from data available on the web (with instructions).

Spirograph using Javascript generated SVG.

Design and typesetter for a minimal font - almost all characters are just two pixels wide.

Ear Candy: Uykfe - Playlist generator

Notes

From various projects over the years:

• Algebraic ABCs - types in Python.
• Correlated, uniform, random numbers.
• Numerical data access server.
• Extensible XML schemas.
• Lightweight SOA with Java.
• Lazy expression evaluator.
• Tiny workflow in Spring.
• FITS files and regular grammars.