Tag: C#

A Principal Engineer's codebase — iching.rocks .NET deep dive on dual monitors

What a Principal Engineer’s Codebase Actually Looks Like: A Deep Dive into iching.rocks

Posted on July 9, 2026 by JB

This is what a Principal Engineer’s codebase actually looks like — a live, unscripted walkthrough of iching.rocks. This post was generated with an assist from Claude, querying my self-hosted Engram MCP server against the live iching.rocks repository — itself a demonstration of the semantic-memory infrastructure described below. Nothing here is hypothetical; every snippet was pulled […]

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Glowing teal glass pyramid ringed by cubes, gems, and toggle switches, illustrating an MCP server built in four days

Shipping an MCP Server in Four Days — Without Shipping Junk

Posted on July 7, 2026 by JB

Most people treat “AI-assisted development” as a speed story: more code, faster. The part nobody talks about is what fast actually costs you if nothing is checking the work — silent asymmetries, tests that lie, features that should never have shipped in the first place. Using my Continuum process, I just finished the iching.rocks MCP […]

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Digital speedometer gauge with blue glow and binary code representing BenchmarkDotNet performance measurement in .NET

BenchmarkDotNet in Practice: Measuring What Actually Matters

Posted on February 27, 2026 by JB

Most .NET developers have heard of BenchmarkDotNet. Fewer have used it on something that matters. And almost nobody talks about the part that actually changes how you think about performance: designing benchmarks that answer the right question. I spent several weeks optimizing a poker hand evaluator — a pure C# reimplementation of Cactus Kev’s classic […]

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Posted in Code
Chinese watercolor landscape with pagoda and misty mountains representing concurrent OpenAI calls and parallel orchestration powering iching.rocks I Ching readings

Firing 18 Concurrent OpenAI Calls: The Parallel Orchestration Behind iching.rocks Interpretations

Posted on February 20, 2026 by JB

When a user gets a paid reading on iching.rocks, the system needs to generate a comprehensive, multi-section I Ching interpretation. Not a single paragraph — a full document covering opening observations, hexagram judgments, changing line analyses, Ten Wings commentary, synthesis, and a conclusion. Each section requires its own carefully crafted prompt with injected domain data. […]

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Posted in Code
C# and HashiCorp Vault logos overlaid on a stack of balanced stones representing a PKI certificate trust chain

Runtime Trust: Injecting a Private CA into .NET at Startup with HashiCorp Vault

Posted on February 5, 2026 by JB

Building Dynamic Trust Chains in C# Using Vault PKI Modern applications rarely live in isolation. Databases, APIs, message queues, and internal services all communicate over TLS—and in many organizations, those certificates are issued by a private Certificate Authority rather than a public one. This creates a subtle but critical challenge: how does a .NET application […]

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Posted in Code