Oliver articles - 7 total
Hashes with default procs
Setting a default proc on a ruby hash
Hash default values
You can use a pair of empty braces to initialise a hash. But, if you try to access a non-existant...
Using Refinements to Monkey Patch Safely
Monkey-patching ruby classes using refinements
Polymorphic associations in Rails
A quick overview of how to use polymorphic associations in rails
You are the perfect interviewee. How would you design an events booking system in five minutes?
You are the perfect interviewee. You are presented with a pen and a whiteboard and asked to design an...
Be careful when memoizing booleans!
Why you shouldn't use `||=` with booleans.
Value objects in Ruby
An introduction to value objects and how to create them.