As you go along the way of learning javascript you hit the concept of closure. Unfortunately for me, it was in the beautiful learning process you go through during an interview. …

This a topic everybody runs into while learning to code, and that sometimes brings some confusion into this process. Although as confusing as it may seem, it is also quite simple, and learning it can help you take your coding to another level. What are instance and Class Variables? A class variable is a variable defined…

One of the concepts that you find along the way to becoming a great Rubyist is the concept module. A module is a way to wrap methods, classes, constant in a unit, in a way similar to a Class with the difference that a module can’t be instantiated. You are…

While continuing on working on my skills and developing applications on ruby I got introduce to the service object model. The service object model helps you reduce the complexity of your controllers and code repetition. The job of a service object is to encapsulate functionality, execute one service, and provide…

I recently had the amazing opportunity to of being interview for a customer support engineer position where I met amazing people and had the opportunity to learn new tricks for debugging using the developer’s tools. …

One of the most popular ways of authentication use in rails 5 and higher is the token-based authentication, where a generated created when an user logs in and such token is pass with every request the user make to as a proof of identity to authorize access to resources in…

As I advance in my knowledge of python I decided to apply to a data engineer position at a prestigious finance company. Luckily I was selected from the pool of candidates and was entrusted with learning how to web scrap and use basic libraries like pandas to process the information…

An enumerator is a class in ruby that supports internal and external iteratoration, although it looks more like a function that behaves like an iterator. The best part of an enumerator is that they are highly customizable. (Full definition from Wikipedia): “A generator is a special routine that can be…

Emmet is a web-developer’s toolkit that can greatly improve your HTML & CSS workflow by using abbreviations. Abbreviations are the heart of this tool, these special expressions are parsed in runtime and transformed into structured code block increasing productivity by helping you save coding time. …