Here's day 3. Day 1 can be found here and Day 2 can be found here. The Talks Avoiding Alerts Overload From Microservices with Sarah Wells How to Backdoor Invulnerable Code with Josh Schwartz Spotify's Reliable Event Delivery System with Igor Maravic Event Sourcing on the JVM with Greg Young Using FlameGraphs To Illuminate The JVM with Nitsan Wakart This … Continue reading Takeaways from QCon London 2017 – Day 3

# Tag: Python

# Maths for Developers: Sigma

The Sigma notation means "sum up". Essentially, we just add together everything after the Sigma symbol. Let's take this: $latex \sum\limits_{n=1}^5n &s=4$ You have n after the Sigma, but how to you "sum up" n? Well, if we take a look under the Sigma symbol we see n=1 and if we look above the Sigma we see 5. This … Continue reading Maths for Developers: Sigma