Jesus Castello

Jesus is a Ruby developer who likes to help other developers improve their Ruby skills & fill-in the gaps in their education.

Ruby
Jesus CastelloMarch 8th, 2018
0 73
Using Genetic Algorithms in Ruby
Did you know that there’s a way to use the power of natural selection to solve programming challenges? With genetic…
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Ruby
Jesus CastelloJanuary 12th, 2018
0 52
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…
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Web Dev
Jesus CastelloNovember 2nd, 2017
0 66
An Overview of Caching Methods
Caching is a way to store and reuse the same data multiple times. By data, I mean anything like images,…
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Ruby
Jesus CastelloJuly 11th, 2016
0 34
Parsing Binary Data Formats
This story started with me wanting to write a steganography tool. Steganography is the process of hiding information inside a…
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Ruby
Jesus CastelloMay 25th, 2016
0 73
How to Build a Math Evaluation Engine
One of the first things you learn to do with Ruby is to evaluate a mathematical expression in irb. But…
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