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Ruby's Basic Features: Blocks, Loops, Arrays & more

Like any other programming language, Ruby has a number of basic features that make up the code. Learn what these features are and how to use them in your code.
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8 Articles in: Ruby's Basic Features: Blocks, Loops, Arrays & more
How Can I Store Key/Value Pairs in Ruby?
Storing key/value pairs in Ruby doesn't always need to be accomplished by using a hash. You can also use the Struct and OpenStruct classes.
Hashes
Hashes are an integral part of Ruby. You will (probably) never see a non-trivial Ruby program that does not use Hashes extensively.
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A Quick Guide to Creating and Using Hashes in Ruby
This article explains and teaches how to use a associative arrays (hashes) as a way to store multiple variables in one data structure.
Advanced Hash Usage
There's more you can do with hashes than simple key value stores. One of the biggest hash 'tricks' is to emulate keyword parameters.
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How to Create Arrays in Ruby
This article explains and teaches how to use a arrays as a way to store multiple variables in one data structure.
Methods of Sorting Arrays in Ruby
One of the most common tasks when dealing with arrays is to sort them. Luckily, Ruby makes this simple and flexible.
Mapping Arrays
Iterating over arrays isn't the only trick up Ruby's sleeve. Having the ability to map arrays (and other enumerable collections) is a powerful feature.
How to Use 'Loops' in Ruby (While, Until, Each, Times Loops)
Loops, including while and include loops, are one of the most commonly used constructs in computer programs.