#rubytips — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #rubytips, aggregated by home.social.
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Master error handling in Ruby 🛠️
Our latest guide breaks down try-catch and exception handling with clear examples.
Read more 👉 railscarma.com/blog/ruby-try-catch-explained-exception-handling-in-ruby/
#Ruby #ExceptionHandling #RailsCarma #RubyTips -
When you use the block syntax with Hash.new to define a default value, you lock yourself to only using the square bracket syntax for value lookup. The fetch method ignores the block, default, and default_proc.
This bit me hard this week, and my pair, @gd, got to watch me flounder on why fetch wasn’t getting the default value.
By the way, the Hash.new with a block is great for memoization of calculated or network lookup data.