A Show HN submission presents an interactive atlas of system designs, breaking down technologies like PostgreSQL, Redis, and Memcached into their core features and the specific scenarios where each is the right choice. Each entry includes architecture diagrams and defines related concepts such as consistency, caching, and rate limiting. The project appears aimed at helping engineers quickly identify which data store fits a given technical requirement.
atlas-sysdes.vercel.app
· 2026-09-22
A formal-methods writer argues that computer science conflates two distinct concepts under the single word 'abstraction.' One is 'modularity abstraction'—the traditional CS practice of hiding implementation details behind interfaces, APIs, and layered designs. The other is 'modeling abstraction,' used in tools like TLA+, which strips a system down to the minimal behavioral core needed to reason about a specific property, cutting across layers rather than hiding them.
muratbuffalo.blogspot.com
· 2026-09-02
ButterflyMX founder argues that as AI automates routine execution, companies should prioritize hiring people who can design and improve workflows rather than just perform tasks. He says traditional hiring focused on whether someone could do a job, but AI's ability to scale execution now makes builders who can refine processes and teach AI quality standards more valuable.
entrepreneur.com
· 2026-08-31
A software engineering commentary distinguishes between writing code—translating ideas into executable instructions, a task AI handles well—and building software, which involves deciding what instructions should exist, how systems interact, and which tradeoffs and constraints matter. The piece uses an example of processing incoming events to show that architectural decisions like consistency, retries, and ordering have little to do with syntax or programming language choice.
hack8s.com
· 2026-08-27
GoKawiil