The weather today will most likely be the same as the weather tomorrow Yesterday’s weather is an Extreme Programming (XP) term to keep teams from over committing during sprints and iterations. Yesterday’s Weather is a Scrum pattern that helps Teams quickly calculate how many Points they will likely complete in the upcoming Sprint. The name comes from the fact that...

Yagni originally is an acronym that stands for “You Aren’t Gonna Need It”. It emerged as one of the key principles of Extreme Programming.  Put another way, the principle states: “Always implement things when you actually need them, never when you just foresee that you may need them.” There are a number of reasons why this principle exists.  Firstly, it maximizes...