Tracking Object Allocation in Ruby
Whenever you do something like MyClass.new, Ruby creates a new object, which uses a little bit of memory. But that's not the only way you are creating objects. Many actions will create objects, including strings and arrays. Even if you don't say String.new or Array.new, it's still a new object that is being created for you. Because memory is not unlimited and memory allocation has an impact on per
When To Be Concerned About Concerns
When I wrote about good modules and bad modules, I mentioned that an indication of a "bad" module was when it was used to extract code for the sake of code extraction. This usually results in a module that is only being mixed into one class. When I published the article, I had lots of support from people intimately familiar with the internals of many popular libraries like Active Record, agreeing
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