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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.

Last 100 entries

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; Mapa de Ciclovias en Santiago; How Unreliable is UDP?; SE Santiago 20m Bike Route; Cameron's Rap; Configuring libxml with Eclipse; Reducing Combinatorial Complexity With Occam - AI; Sentidos Comunes (Chilean Online Magazine); Hilary Mantel: The Assassination of Margaret Thatcher - August 6th 1983; NSA Interceptng Gmail During Delivery; General IIR Filters; What's happening with Scala?; Interesting (But Largely Illegible) Typeface; Retiring Essentialism; Poorest in UK, Poorest in N Europe; I Want To Be A Redneck!; Reverse Racism; The Lost Art Of Nomography; IBM Data Center (Photo); Interesting Account Of Gamma Hack; The Most Interesting Audiophile In The World; How did the first world war actually end?; Ky - Restaurant Santiago; The Black Dork Lives!; The UN Requires Unaninmous Decisions; LPIR - Steganography in Practice; How I Am 6; Clear Explanation of Verizon / Level 3 / Netflix; Teenage Girls; Formalising NSA Attacks; Switching Brakes (Tektro Hydraulic); Naim NAP 100 (Power Amp); AKG 550 First Impressions; Facebook manipulates emotions (no really); Map Reduce "No Longer Used" At Google; Removing RAID metadata; New Bike (Good Bike Shop, Santiago Chile); Removing APE Tags in Linux; Compiling Python 3.0 With GCC 4.8; Maven is Amazing; Generating Docs from a GitHub Wiki; Modular Shelves; Bash Best Practices; Good Emergency Gasfiter (Santiago, Chile); Readings in Recent Architecture; Roger Casement; Integrated Information Theory (Or Not); Possibly undefined macro AC_ENABLE_SHARED; Update on Charges; Sunburst Visualisation; Spectral Embeddings (Distances -> Coordinates); Introduction to Causality; Filtering To Help Colour-Blindness; ASUS 1015E-DS02 Too; Ready Player One; Writing Clear, Fast Julia Code; List of LatAm Novels; Running (for women); Building a Jenkins Plugin and a Jar (for Command Line use); Headphone Test Recordings; Causal Consistency; The Quest for Randomness; Chat Wars; Real-life Financial Co Without ACID Database...; Flexible Muscle-Based Locomotion for Bipedal Creatures

© 2006-2013 Andrew Cooke (site) / post authors (content).


From: andrew cooke <andrew@...>

Date: Sat, 12 Nov 2011 03:16:57 -0300

First, it's awesome to have a conference like this here in Chile.  Kudos to
the people who arranged this.  Some of what follows is critical of certain
parts, but I don't want that to detract from the fact that this was a huge
milestone for Chile, and a resounding success that reflects well on all those

The biggest criticsm - why was the WiFi coverage so poor?  Looking at my logs
I had to try many times before I got a DHCP response.  That looks like a
software/configuration issue to me (though I don't kow much about wifi..).
Anyway, I often had a connection, but couldn't get an address.  Not good.

My other major complaint is that the technical talks have been too
introductory and general, with HTML5 and CSS3 being covered multiple times.

Still, there have been some interesting moments.  Below are various notes...

Stephanie Sullivan, on CSS3, was surprisingly good.  I guess she was helped by
being first, but she covered a huge amount of practical info on CSS3.  Many
cute (too cute?) tricks, like using borders as triangles (think mitred
joins).  She mentioned many sites that have been repeated since:

  http://caniuse.com - summary of what browsers support what apis
  http://modernizr.com - css detection of support (defines classes so that you
  can use a declarative approach - neat)
  http://necolas.github.com/normalize.css/ - reather than reset, normalize
More at http://w3conversions.com/resources.html

The next interesting talks (for me) were the ones on open data here in Chile.
First was a government type, who sounded, well, like someone from the
government.  They have lots of plans, and they are doing lots of work, and,
well, you can imagine the practical issues, so understandably they haven't
changed the world yet...  The usual.

But then came Felipe Heusser from http://ciudadanointeligente.cl/ who is
gettng out and changing the world whether the want it or not.  I've emailed
him asking for a pointer to his talk, which I will post here if I get a reply.

More disappointing was the talk "Building Languages on JVM", which wasn't
about building languages on JVM (unfortunately) - it was about jRuby.  Which
is fine if you care about jRuby I guess.  One take-away from that was that
Visual JVM is worth using.

Saturday was more HTML5, then a noSQL talk that started off too-introductory,
but improved towards the end.  Despite the lack of technical details it's
useful to absorb general views: MongoDB is becoming the go-to solution for
medium size projects, with (indexed?) keyword search (note - the following
week HN was inundated with storied of Mongo's issues); Casandra is too
complicated and powerful for almost everyone.  One interesting snippet - Mongo
with Python was faster than memcache, because memcache serializes using
pickling; Mongo's JSON is faster.

  https://github.com/davatron5000/deCSS3 - bookmarklet for showing how a page
  looks without CSS3.
  http://www.w3.org/WAI/intro/aria - accessability
  http://www.nvda-project.org/ - good, free screen reader

An interesting talk on Postgres was too short, but the take-away is: if you're
considering learning noSQL it might be worth learning some of the more obscure
parts of PG instead.  See:

Finally, please use informative titles.  I wne to a talk about trees, hoping
to learn about algorithms, and ended up listening to lots of tedious details
about git (how can anyone think source control that complex is a good idea?).


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