June 2017
Beginner
330 pages
7h 30m
English
Content preview from Comprehensive Ruby Programming
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Rule of thumb – no ands allowed
When it comes to following the SOLID design pattern, a good rule of thumb is that if your description of a class has the word and in it, then it may need to be refactored. For example, let's describe this class:
The Invoice class prints out invoice details and calculates sales tax and emails the invoice.
Whenever I'm performing a refactor, I like to treat the behavior between the ands as their own class.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.