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Aug 22, 2022 · 1 min read · Pry is a REPL (Read, Evaluate, Print, Loop) that pauses your code wherever inserted and allows you to test/debug. When your code gets to the ‘pry’ it will freeze and your terminal will turn into a REPL right in the middle of your program. Using Pry T...
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Aug 22, 2022 · 3 min read · Hashes are basically like JavaScript objects. They are composed of key/value pairs and each key points to a specific value. For example; a_hash = { name: "John", age: "20" } a_hash[:age] # => "20" To access data from the hash above, bracket notation ...
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Aug 22, 2022 · 2 min read · In Ruby, to access elements, bracket notation is used with the index of the element. fruits = ["banana", "mango", "pineapple"] fruits[0] # => "banana" fruits[1] # => "mango" Bracket notation can be used to update the elements as well. For example; f...
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Aug 22, 2022 · 4 min read · Classes are like the blueprint from which individual objects are created. Class variables Class methods Private Methods Class Variables Class variables are used to store values related to a class in general rather than a particular instance. Cla...
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Aug 22, 2022 · 2 min read · ARRAY ITERATOR METHODS. WHAT IS ARRAY ITERATOR?.... An array is a single variable that is used to store different elements. Array iteration-This is used to traverse an array and dynamically access elements of that array. it operates on every array...
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