See how to make basic customer retention analysis, build customer retention over time, deal with new vs. existing customers retention curves, and calculate retention analysis in cohorts.
"Hmmm," you might be saying to yourself, "a conversation about SQL queries in a post on conditional logic? That's strange." Ah, but maybe not so strange.
Inter-service communication is essential to consider when building microservices. Learn about the characteristics and benefits of different communication styles.
Choosing the right AWS EC2 instance for your network can be a challenge, so here are some benchmarks for m3 and m4 instances to help your decision making.
Trees are natural, haphazard, and branching; database tables are man-made rectangles full of numbers and text. How can you possibly save a beautiful tree structure into an boring DB table?
Do you love the smell of FailedAttachVolume and FailedMount errors with Kubernetes on AWS EBS? No? Oh. Well, here's what's probably causing them (and how to fix them).
To end this series on creating a basic web app using Python's Flask framework, we take a look at taking a search and filtering and deleting the data that's returned.
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