single source of truth — 2 Technical Articles

Apr 20, 2026 · Industry Insights

Beyond the Hype: What Real Harness Engineering Means for AI Programming

The article demystifies the buzz around AI programming "harness" by explaining that true harness engineering requires clear semantics, a single source of truth, organized context, execution constraints, and evaluation loops to keep AI agents from drifting off course.

AI programmingContext EngineeringEval-Driven Development

0 likes · 12 min read

Beyond the Hype: What Real Harness Engineering Means for AI Programming

ELab Team

Sep 1, 2022 · Fundamentals

From Lisp Parsers to SwiftUI: Unlocking Single Source of Truth and Language Fundamentals

This article explores the concept of Single Source of Truth in SwiftUI, explains the nature of computer programs, compares compiled and interpreted languages, discusses Turing completeness and formal language history, demonstrates a simple Lisp interpreter, and examines how Xcode leverages ASTs for live SwiftUI previews, highlighting the benefits of a code‑out approach.

ASTLispSwiftUI

0 likes · 18 min read

From Lisp Parsers to SwiftUI: Unlocking Single Source of Truth and Language Fundamentals