AAndroid Expert·6h agoZero-Cost Types? The Fine Print on Kotlin Value ClassesLearn when Kotlin value classes avoid heap allocation, when boxing returns, and how name mangling affects Room, Retrofit, serialization and Java.12 min read·android-expert.hashnode.dev
SSébastien NOIROT·Sep 23Optional is not your domainFrom null to Optional to explicit domain types in Java.9 min read·iwtyo.today
Jjg k·Mar 17Stop Writing if-checks: Refinement Types in Java 8+The Code That Lives in Every Java Codebase Every Java developer has written this code. You have written this code. Probably this week. A method starts with five lines of null checks, blank checks, and range checks before a single line of business log...9 min read·junggikim.hashnode.dev
MMoon Robert·Mar 9TypeScript 5.x in 2026: Features That Actually Matter for Production CodeAfter 180k lines of TypeScript 5.x, here's what actually changed how I write code: using declarations, NoInfer, inferred predicates, and verbatimModuleSyntax.8 min read·synsun.hashnode.dev
DDevTools Guide·Mar 4tRPC: End-to-End Type-Safe APIs Without the CeremonytRPC: End-to-End Type-Safe APIs Without the Ceremony Most API architectures have a type safety gap: your backend has TypeScript types, your frontend has TypeScript types, but the wire between them is untyped. You maintain REST endpoints, write OpenAP...7 min read·devtoolsguide.hashnode.dev
DDevTools Guide·Mar 3Pkl: Apple's Configuration Language for Type-Safe ConfigPkl: Apple's Configuration Language for Type-Safe Config Configuration files are a quiet source of production incidents. A YAML file with a wrong indentation level. A JSON file missing a required field. A Terraform variable set to "true" (string) in...8 min read·devtoolsguide.hashnode.dev
UUmesh Malik·Dec 15, 2024TypeScript Utility Types: A Complete GuideTypeScript's built-in utility types are powerful tools that help you write cleaner, more maintainable code. In this guide, I'll walk through the most commonly used utility types with practical examples from real-world applications. ', descripti...3 min read·umesh-malik.hashnode.dev
