example | Daniel P. Clark

December 12, 2015 by Daniel P. Clark

Ruby: Arrays by Example

Arrays are Ruby’s most used collection type. I will use very little description as I give examples for the many different ways to work with Arrays. Different ways to create an empty Array [] Array.new Array[] # same as :new Array(nil) # tries converting to an Array first and insures an Array result %w^^ #…

February 6, 2015 by Daniel P. Clark

Getting Into Rails Model Queries

For the longest time I was stubborn against learning “database programming”. It was the abhorrent syntax that made me so resistant. But low and behold there came Rails who found it in their heart to make a middle man ActiveRecord in which to slay the evil abhorrent syntax by resolving all good details in more…

February 4, 2015 by Daniel P. Clark

Using Ruby Object Type Classes to Safely Build Data

When building collections of data you will find situations where the types aren’t what you planned to work with. And when I say types I’m speaking generically of arrays, hashes, strings, integers, nil, etc. Everything’s cosy when you know what your getting. For example putting 10 integers into an Array: arr = [] 10.times do…