ARCHIVE · 04
Follow the trail from foundational concepts to practical engineering decisions.
Spaghetti code refers not to length or messiness, but to control flow. This article traces why spaghetti remained after Dijkstra’s 1968 letter against goto, and how to measure it with cyclomatic complexity.
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The data-structure heap shares only its name with the memory heap. This guide covers its rules for retrieving the minimum without sorting everything, index calculations for representing trees in arrays, and the role of priority queues in practice.
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The Claude Code /init command analyzes your codebase and automatically generates CLAUDE.md. This covers its behavior when a file already exists, migrating Cursor and Copilot rules, interactive mode, and how to refine the generated file.
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Turning on Swift 6 mode unleashes concurrency errors, with Sendable at the center. This guide explains whether values may cross isolation boundaries and presents migration fixes in order: make them structs, make them immutable, or promote them to actors.
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Idempotency means producing the same result when the same request is sent multiple times. This covers why it matters with network failures and retries, the difference between GET, PUT, DELETE, and POST, and how to implement an Idempotency-Key.
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