Introduction A queue is a data structure that places elements in a sequence, similar to a stack. The difference is the methodology of accessing the data. It operates using the LIFO concept, meaning the last item to be added to the stack will be the first one to get accessed whereas…

What are environment variables and why are they important? — Environment variables are key-value pairs that are used during the execution/runtime of a program. This may be a connection string to the database, or ports used for listening to incoming traffic. Every developer has at least 2 environments. A development environment where most of the work is done and a…

Stellar is an open source, decentralized protocol for digital currency to fiat money low-cost transfers which allows cross-border payments between any pair of currencies. A Stellar wallet is a digital wallet used to hold lumens & other assets as a digital currency. …