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tensorflow-ruby – Seattle.rb Presentation

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...

A Little Ruby, A Lot of Objects

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...

Building Ruby 1.9.1 on Windows

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...

libxml-ruby reaches 1.0!

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...

Resurrecting libxml-ruby

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...

Fun With Here Documents

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) ...

Tick, tick, tick

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...

Announcing ruby-prof 0.5.0

Make sure to grab the latest version of ruby-prof, currently 052, which includes some performance tweaks and bug fixes A year has passed since the last release of ruby-prof If...

Ruby, libxml and Windows

Let's say my last post tempted you to check out libxml's validation functionality However, you work in shop that develops on multiple platforms, including Windows, OS X and...

Profiling Ruby Code

Pat Eyler has written a nice set of articles about profiling Ruby code He shows how to use the built in Ruby profiler as well as ruby-prof (my personal favorite :) He talks a...

Arachno

Last time I gave kudos to Sapphire in Steel for the addition of a Ruby console to their debugger This time its kudos for Arachno Lother Scholz, the develeper, sent me an...

On IDEs and Consoles

In the religious war between the command line and IDE (integrated development environment), I'm firmly on the IDE side Having said that, there's no...

ruby-prof 0.4.0 with call graphs

Update: ruby-prof 050 is now available and has significantly more features than 040, including better threading support, rails support, call tree output, etc After porting...

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