Implementing Expo apps can sometimes feel boring. Yet another view, yet another component, yet another Zustand store. Not often do you get a chance to venture out from the safe and comfortable Expo stack. But sometimes, you get the opportunity to do something you never thought would happen: embed a full native view into an… Continue reading
Most technical analysis libraries work on closed bars. Feed in 200 closing prices, get 200 SMA values back. Clean, simple, works for backtesting. But in a live environment, you get OHLCV updates every second before the bar closes. A naive implementation counts each update as a new bar and produces garbage. The safe alternative is… Continue reading
I built a trading bot in Dart. It lost a few thousand dollars. Best investment I ever made. Not because the bot eventually worked. It didn’t. But because chasing that problem through three languages over five years taught me more about software design than any project before it. Starting with what I knew In 2021,… Continue reading
Some say that life is too short to do everything, on the contrary, it’s also too short to stay in one place and not explore. Especially for software developers, there are so many ecosystems to explore, like node (aka JavaScript), JVM (aka. Java, Groovy, and friends), and CLI (aka, .net, C#) to name a few…… Continue reading
Lets talk redux for a brief moment. As you may know there are three main ingredients in redux: action, reducer, store. From the first look this kinda makes sense. You have your store with is actually your app current state. Reducers are pure functions, as such they are disconnected form everything, just take current state,… Continue reading