Closures can be hard to explain in plain English and are often misunderstood, but closures are crucial for understanding Javascript. I am a student just beginning Javascript, so this article is not a complete guide to closures, but an act of showing my learning process. What is a closure? A closure is the act…

While working on my Ruby on Rails app I came across ActionController::InvalidAuthenticityToken error while working with forms. What happens if there is an invalid authenticity token? Authenticity Token Rails by default requires a unique authenticity token to be submitted with each form. The authenticity token runs a match check when the form…

Gems are software packages that allow us to easily change or increase functionality in Ruby applications. Not only you can find and install gems, but also you can make your own Ruby gems! Step 1: Prep Ruby Gems account When you are signing up for an account, you should use the same email you use for…