Ruby cover? instead of include?

Last week I learned that we should use cover? instead of include?. When you ask a range if it includes something, ruby is going to instantiate every object within that range and then check if the object you pass into include? exists in there. If you ask cover? it’s just going to figure out and […]

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Solving Algorithms – Bubble Sort

Why are solving algorithms Adnilson, shouldn’t you work on building applications? Yes, you are right! The thing with algorithms is that it helps you solve problems and are good to make your mind look for solutions. This way you build a blueprint and whenever you get a problem you tackle the problem instead of being […]

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Ruby permutation method rocks!

Early today I was doing my first homework assignment for the SaaS course by University of California – Berkeley, and was making a Rspec test work. This method was meant to take 2 arguments, one array with integers and one integer. What we have to do is sum two numbers in the array until it […]

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My first programming interview

First of all I finished after work the Ruby Koans, it was an awesome experience and made me understand much more about testing. It happened so fast that I felt sad for being so short but at the same time felt an inner feeling that I have accomplished something good. Rails Tutorial is next (for […]

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Ruby Koans Dice Project

I finish my day with this project in the amazing Ruby Koans learning method, and had completed 216/282! Got to see the Ruby documentation and feels like I am getting more into the syntax. Here is the code I made in the about_dice_project.rb:

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