The Performance Cost of Feature FlagsI’ve seen feature flag flicker at Shopee, TikTok, and Hopper. The app paints before it has the value it should use. After a rollout, that can mean an old default. During a live experiment, it can mean25d ago · 5 min readblog.rakha.dev
Making Shopping Cart Loads Feel InstantAt Shopee, I led a project to optimize the shopping cart in our React Native app. When we started, loading the cart took around 11 seconds at the 80th percentile. By the end, it was down to around 0.55d ago · 6 min readblog.rakha.dev
IIFEs Deserve More LoveI have a soft spot for Immediately Invoked Function Expressions (IIFEs). Not for the classic use case of creating a private scope, but for something simpler: calculating a value with more than a trivi1Mar 8, 2021 · 6 min readblog.rakha.dev
