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Introducing Netflix’s Key-Value Data Abstraction Layer

13 min read · Sep 18, 2024 Vidhya Arvind, Rajasekhar Ummadisetty, Joey Lynch, Vinay Chella At Netflix our ability to deliver seamless, high-quality, streaming experiences to millions of users hinges on robust, global backend infrastructure. Central to this infrastructure is our use of multiple online distributed databases such as Apache Cassandra, a NoSQL database known […]

Using Key-Value Observing in Swift to debug your app

Recently, I was looking into a bug where the UITabBar was inconsistently disappearing on specific pages. I tried different approaches but I couldn’t get where it got displayed and hidden. That’s where I thought about KVO. Some background on my issue, I had a custom TabBarController inheriting UITabBarController which hides or shows its tabBar based […]