A review of Robert Sedgewick’s Union-find case study Recently, I’ve been going through Sedgewick’s Algorithms textbook and really liked his way of talking about algorithms and data structures in general. His point of view is that Big-O is too broad of a brush to paint the picture of an algorithm’s…

Fret not, for there is rhyme & reason to this madness! Stressed out about interviews and your progress in achieving algorithmic godliness? No worries, I’m here to give you New Hope. Algorithms are the bread and butter of our world and in the context of technical interviews they’re super important…

Graph data structures are incredibly important and exist in applications that we use daily! Think Google Maps, Uber, Facebook. This article will help you grasp them better and introduce you to basic graph traversal. What’s a graph? Let’s start off with a nice concise definition: A graph is a set…

“Reverse a linked list” — Sound familiar? This article will help you grasp an understanding of one of the most popular data structures that is asked about in tech interviews. — In this article, I will go through each singly & doubly linked list data structures in JavaScript and their class implementation. These can be executed functionally, but I feel that a class implementation makes it easier to conceptualize them as data structures. …

On advanced SQL commands, table creation & ActiveRecord methods — In this article, we’re going to finish off raw SQL with some advanced commands/syntax and table creation, then we’re going to go into some ActiveRecord and talk about some important methods. Although it is not required, you may find it beneficial to check out Pt. …

Does it pay to understand what’s going on under the hood? Yes! This article covers some SQL essentials. — Note: The SQL commands within this article are primarily being used with PostgreSQL, these commands may vary with other databases.The article also assumes you have working knowledge of Ruby/Rails. Active Record is a wonderful abstraction given to us by Rails that lets us interact with our database in an easy…

Before this weekend I wouldn’t touch D3 or any data visualization library with a ten-foot pole… But I decided to take the leap and dive in, because I was interested in making a mini crypto-exchange. This exchange lets you create an account based on a randomly generated hash. There’s…

A brief exploration on emotions, namely boredom and its application within the Hook Model.

I’m going to prelude the main topic of this article with how I came to think about Zipf’s law to begin with. Working on a project I was creating some seed data for my app. I realized how important seed data is to see the relationships you’ve established in your…