This evening I gave a talk about tensorflow-ruby to Seattlerb, the oldest Ruby group in the world I volunteered a month ago to give a presentation - I knew a deadline would...

To really understand Ruby you need to understand its Class/Object model And to do that, read Brian Marick’s mini-book “A Little Ruby, a Lot of Objects” It’s modeled after...

As noted else where, ruby 191 hasn't exactly bounded out of the gate That's not particularly surprising, considering 191 has been available for only a...

I'm happy to announce the release of libxml-ruby 113 Besides including the usual assortment of new features and bug fixes, this release also includes a speed...

A mere seven years after its inception, libxml-ruby has finally reached version 10 libxml-ruby provides ruby, via the libxml2 libary, the super fast, feature rich xml parser...

There is general discontent with the state of XML processing in Ruby - see for example here or here An obvious solution is to use libxml However that has been a non-starter...

Today I was fixing up some inefficiencies in Rail's Postgresql adapter (more about that in a later post), and came across this strange looking code: def tables(name = nil) ...

Its been over a year since I blogged about GEOS, an open source project that provides rich functionality for analyzing and manipulating geometries and is a key part of...

Last week I showed how to profile a Rails application using ruby-prof The post was driven by our desire to improve MapBuzz's map rendering speed Our nightly log analysis showed...

While analyzing Rails performance, I stumbled upon the fact that parsing timestamps in ActiveRecord is very slow (I'll post more about that in an upcoming blog) A bit of...