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Welcome to my blog, which was once a mailing list of the same name and is still generated by mail. Please reply via the "comment" links.

Always interested in offers/projects/new ideas. Eclectic experience in fields like: numerical computing; Python web; Java enterprise; functional languages; GPGPU; SQL databases; etc. Based in Santiago, Chile; telecommute worldwide. CV; email.

Personal Projects

Lepl parser for Python.

Colorless Green.

Photography around Santiago.

SVG experiment.

Professional Portfolio

Calibration of seismometers.

Data access via web services.

Cache rewrite.

Extending OpenSSH.

C-ORM: docs, API.

Last 100 entries

Calling C From Fortran 95; Bjork DJ Set; Z3 Example With Python; Week 1; Useful Guide To Starting With IJulia; UK Election + Media; Review: Reinventing Organizations; Inline Assembly With Julia / LLVM; Against the definition of types; Dumb Crypto Paper; The Search For Quasi-Periodicity...; Is There An Alternative To Processing?; CARDIAC (CARDboard Illustrative Aid to Computation); The Bolivian Case Against Chile At The Hague; Clear, Cogent Economic Arguments For Immigration; A Program To Say If I Am Working; Decent Cards For Ill People; New Photo; Luksic And Barrick Gold; President Bachelet's Speech; Baltimore Primer; libxml2 Parsing Stream; configure.ac Recipe For Library Path; The Davalos Affair For Idiots; Not The Onion: Google Fireside Chat w Kissinger; Bicycle Wheels, Inertia, and Energy; Another Tax Fraud; Google's Borg; A Verion That Redirects To Local HTTP Server; Spanish Accents For Idiots; Aluminium Cans; Advice on Spray Painting; Female View of Online Chat From a Male; UX Reading List; S4 Subgroups - Geometric Interpretation; Fucking Email; The SQM Affair For Idiots; Using Kolmogorov Complexity; Oblique Strategies in bash; Curses Tools; Markov Chain Monte Carlo Without all the Bullshit; Email Para Matias Godoy Mercado; The Penta Affair For Idiots; Example Code To Create numpy Array in C; Good Article on Bias in Graphic Design (NYTimes); Do You Backup github?; Data Mining Books; SimpleDateFormat should be synchronized; British Words; Chinese Govt Intercepts External Web To DDOS github; Numbering Permutations; Teenage Engineering - Low Price Synths; GCHQ Can Do Whatever It Wants; Dublinesque; A Cryptographic SAT Solver; Security Challenges; Word Lists for Crosswords; 3D Printing and Speaker Design; Searchable Snowden Archive; XCode Backdoored; Derived Apps Have Malware (CIA); Rowhammer - Hacking Software Via Hardware (DRAM) Bugs; Immutable SQL Database (Kinda); Tor GPS Tracker; That PyCon Dongle Mess...; ASCII Fluid Dynamics; Brandalism; Table of Shifter, Cassette and Derailleur Compatability; Lenovo Demonstrates How Bad HTTPS Is; Telegraph Owned by HSBC; Smaptop - Sunrise (Music); Equation Group (NSA); UK Torture in NI; And - A Natural Extension To Regexps; This Is The Future Of Religion; The Shazam (Music Matching) Algorithm; Tributes To Lesbian Community From AIDS Survivors; Nice Rust Summary; List of Good Fiction Books; Constructing JSON From Postgres (Part 2); Constructing JSON From Postgres (Part 1); Postgres in Docker; Why Poor Places Are More Diverse; Smart Writing on Graceland; Satire in France; Free Speech in France; MTB Cornering - Where Should We Point Our Thrusters?; Secure Secure Shell; Java Generics over Primitives; 2014 (Charlie Brooker); How I am 7; Neural Nets Applied to Go; Programming, Business, Social Contracts; Distributed Systems for Fun and Profit; XML and Scheme; Internet Radio Stations (Curated List); Solid Data About Placebos; Half of Americans Think Climate Change Is a Sign of the Apocalypse; Saturday Surf Sessions With Juvenile Delinquents; Ssh, tty, stdout and stderr; Feathers falling in a vacuum; Santiago 30m Bike Route

© 2006-2015 Andrew Cooke (site) / post authors (content).

On-Demand CDs

From: "andrew cooke" <andrew@...>

Date: Thu, 4 Jan 2007 12:03:44 -0300 (CLST)

On Tuesday evening we went out for Sushi (at "Too Much" in Providencia -
it was OK, I think Pauli was more impressed with it than me, and she's the
Sushi person) and the following came up in conversation:

Why don't music shops (places that sell CDs) burn them on demand?  I've
read recently that books may soon be printed on demand - it seems that CDs
should be an easier problem.  The printing is smaller volume (although
perhaps higher quality) and burning a CD should be pretty easy.

Looking at my files, a flac track is about 30MB.  So an album is about
300MB.  A 1TB disk (not expensive these days) could hold 3000 CDs and
cover art.  That's about the number of CDs in a small-ish shop, by my
reckoning (I estimated 2500 CDs in my local store).

Disk, printer and burner can't run to more than $10,000 which is probably
about the price of the stock.  So we seem to be at about break-even point.

I assume the big record companies would ship out hard drives already
loaded with music, and perhaps HD-DVDs or Blue Rays or whatever with
updates each month.

Moving past the break-even stage, imaging what will happen - the variety
of Amazon on the street corner!  I wonder how Amazon feels about this?  I
wonder who is doing this already?

Andrew

Typing Mistakes

From: "andrew cooke" <andrew@...>

Date: Thu, 4 Jan 2007 12:09:42 -0300 (CLST)

Given the nature of this site (uploaded emails), it's hard to edit posts
once they are published.  So I often wince to see my typing mistakes.

It's interesting to see the kinds of mistakes that are made.  One command
kind is letter transposition.  This seems to be a timing error (I type
quite quickly, but was never taught, so it's a bit hit and miss). "Teh" is
the big example here.

Another example is typing the wrong word.  Either because it is spelt
similar to another, or sounds similar.  I seem to do both.  My guess is
that this is a breakdown in the communication between higher level
(semantics-aware) and lower level (syntax only) parts of the brain.

Of course, some of the latter class may also be real mistakes.

Andrew

ITb Disk

From: "andrew cooke" <andrew@...>

Date: Fri, 5 Jan 2007 09:30:30 -0300 (CLST)

Hitachi have just announced a 1Tb disk -
http://www.reghardware.co.uk/2007/01/05/hitachi_unveils_first_1tb_hdd/

(shipping Q2)

Andrew

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