Building a Two-way SMS Application using Express and Africastalking API

It is not uncommon today to interact with services that are triggered by SMS responses from a mobile phone. Sometimes the level of customization and swiftness with which we get these responses may cause us to imagine that someone is on the other end typing back at us. This is hardly ever the case.


Understanding Memoization In JavaScript

As our applications grow and begin to carry out heavier computations, there comes an increasing **need for speed ( 🏎️** **)** and optimization becomes a necessity. When we ignore this concern, we end up with programs that take a lot of time and consume a monstrous chunk of system resources during execution.