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Hi! I'm Avdi Grimm, and this is my software development blog. More...
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Author Archives: Avdi Grimm
RubyTapas Freebie: Blocks, Procs, & Lambdas
It’s been way too long since I posted a Monday freebie. Today’s little video tries to answer a question I hear pretty often: what’s the difference between blocks, procs, and lambdas—and which one should I use?
I’m sorry too.
I didn’t say mean things about Heather Arthur’s code. But I could have. I didn’t see the tweets about her “replace” project that started things off. But I do share the opinion of a number of my colleagues that using … Continue reading
Posted in Community
3 Comments
My Screencasting Process
A bunch of people have asked about my screencasting process for RubyTapas. My process is a work in progress that I frequently iterate on, so this is really just a snapshot of my process as of January 2013. I don’t … Continue reading
I am my code
Almost five years ago I released my first Rubygem, NullDB. It was based on ideas from a couple of other libraries, namely ARBS and UnitRecord. In the README I said: It differs from them in a couple of ways: It … Continue reading
Posted in Community
2 Comments
Modeling the World with Prototypes
This post started out as the second half of an article on prototype-based OO design for Gregory Brown’s Practicing Ruby. For an introduction to the prototyped view of the object world, and to follow along on an adventure in making … Continue reading
RubyTapas 033: Classes and Constants
This week’s freebie episode is a brief exploration of what exactly happens when we define a class in Ruby. [http://www.youtube.com/watch?v=p61mk_O4Tw0]
Posted in Ruby, RubyTapas Samples, Screencasts
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RubyTapas 029 – Redirecting Output
Today’s Monday freebie takes a look at two different methods for redirecting standard out and standard error – one simple and quick, one more comprehensive.
RubyTapas 022: Inline Rescue
Sticking a rescue at the end of a line may seem expedient, but it has a tendency to bite you when you least expect it. In today’s freebie episode, I demonstrate how dangerous an inline rescue can be, as well … Continue reading
On BritRuby
I am, or rather was, a speaker at British Ruby Conference 2013. If you were planning to attend, or if you follow many Rubyists on Twitter, you probably know that the conference has been cancelled. As one of the invited … Continue reading
Posted in Rants
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