Design Patterns

I’ve got this book last week. It’s the most expensive I’ve ever bought and I do not regret! I am still in the beginning and learned what are Design Patterns, the catalog of the 23 design patterns in this book and how they solve problems. After, will be shown how to select and use a […]

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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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Taking more than you can handle

Some time ago a friend gave me a coding challenge which I decided to make it in Ruby on Rails, I hesitated because was expecting that an Enterprise would give me a task to build something in JavaScript/HTML/CSS, so the time passed. Then I applied for a company that is hiring any kind of developer […]

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var and let the difference in JavaScript

Javascrit has something called Hoisting. This is when all variables and functions are loaded before the program runs. function loadProfiles(userNames){ // some code… var loadingMessage = “Hold a sec… Profiles loading!”; // some code… } var loadingMessage = “Loading your profile!”; What will happen here is that the first declaration of loadingMessage will be loaded […]

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Hexadecimal and Colors

This week will be more related to the Front End side of web development. So I thought about colors which are used everywhere. The web is one of the technologies that uses all the human senses, it evolved to become an everyday tool and entertainment. Today I will teach you how to calculate hexadecimal numbers […]

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What are Programming Languages ?

2 weeks ago I went to an Equal Experts Conference and after while mingling, in a conversation with one of the organizers, some were saying that language X was better than language B, and his response was: “Languages are just tools to build applications to serve the world”. That just killed. And this is the […]

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