Category Archives: Ruby

RubyTapas freebie: xmpfilter

Today’s freebie answers the #1 most common question I get about RubyTapas!

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RubyTapas Freebie: Runnable Library

Today’s freebie (episode 55, if you’re counting) covers a simple technique for making a single .rb file work as either a library or a runnable script. In the process, it covers the __FILE__ constant and the $PROGRAM_NAME variable.

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Naught, a toolkit for building Null Object classes in Ruby

I just released a gem I’ve been working on for the last couple days. It’s called Naught and it’s intended to make it easy to build various kinds of Null Object class in Ruby. This isn’t the first generic Ruby … Continue reading

Posted in Announcements, Ruby | 2 Comments

RubyTapas Freebie: The End of Mocking

At the borders of our systems, mockist testing hits a point of diminishing returns. In this free episode we take a look at when to stop mocking and start integration testing.

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RubyTapas Freebie: Utility Function

Some functions are useful in many different contexts. In this free episode we’ll explore some ways to make them available both to library code and to client code of a library.

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RubyTapas Freebie: Gem Love Part 2

I have a few ongoing miniseries in RubyTapas. In this, the second installment of a miniseries chronicling the creation of a Rubygems plugin and an associated server, I touch on a number of topics including acceptance testing, the shellwords standard … Continue reading

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RubyTapas Freebie: Hash Default Value

Today’s cautionary episode demonstrates and explains a Hash gotcha that often comes as a surprise.

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RubyTapas Freebie: Streaming

Does code optimized for RAM usage need to be ugly? Find out, in this free episode of RubyTapas.

Posted in Ruby, RubyTapas Samples, Screencasts | 5 Comments

RubyTapas Freebie: Scanning a String

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RubyTapas Freebie: Caller-Specified Fallback Handler

Sometimes it’s hard to decide how to handle a failure in a method call. Raise an exception? Return a nil? Log an error? The best choice may differ depending on where the method is being called. In today’s free RubyTapas … Continue reading

Posted in Ruby, RubyTapas Samples, Screencasts | 3 Comments