Using Ruby’s gsub with a block
String#gsub is one of the most used Ruby methods in the wild. Just about every Ruby programmer knows about the method and uses it fairly regularly.
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The Elements of Style in Ruby #9: Hash#has_key? and Hash#has_value? are deprecated
One can often find similar code in the wild:
Announcing the Powerpack library
Powerpack is a small Ruby library containing (at this point) a few extensions to some core Ruby classes. I guess that in a way one can say it’s something lik...
The Elements of Style in Ruby #8: Know Thy Predicates
I often see people writing code like this: