Learn how to break a dependency on a pervasive mixin.
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Episode #444: Block Inherited
Learning the rules of Ruby's inheritance callbacks, in order to do defensive metaprogramming.
Episode #436: Ruby 2.4 Destructuring Conditional
Ruby 2.4 eliminates an un-intuitive limitation of if-statements.
Episode #190: Gsub
Today we look at the humble String#gsub method, and learn that it has some surprising tricks up its sleeve.
Episode #125: And/Or
Ruby has both symbolic and English forms of the logical "and" and "or" operators. Which one to choose may seem like a matter of taste, but that assumption can get …
Episode #074: Tail Part 3: #rindex
We've figured out how to read chunks of text backwards from a file, now it's time to tackle searching that text for the beginnings of lines.
Episode #020: Struct
In previous episodes we've used the Struct class in passing to quickly construct classes. This time, we put Struct in the spotlight, and put it through its paces. You'll want …
Episode #009: Symbol Literals
Some alternative ways to write symbols in Ruby code.
Episode #003: Character Literals
Much like a vestigial tail, Ruby has a character literal syntax which is funny-looking and largely useless. In the interests of completeness, let's see if we can find an excuse …