Programming Tutorials

👋 Hello Architects & Elite Engineers, The market is shifting. We are seeing a surge in GOLANG roles this week. We don't do "Easy Apply". O

lev kitten sitting mitten prints each candidate's Levenshtein edit distance and similarity, ranked — a tiny fuzzy finder, written in Go. Three implem

As an engineer with 20+ years of experience working from the silicon up—programming bare-metal C, motion control, and industrial automation—I’ve alway

Introduction In the world of Go-based APIs, binary size is a silent killer. It creeps up on you, especially when you’re moving fast with

Agenvoy - A personal AI Agent that runs on your machine. Build tools, test it, and call it. 很多人用 Agent 來幫忙寫程式、查資料、處理檔案。像是 Claude Code、Codex、Curso

Agenvoy - A personal agent that writes its own tools and repairs itself — Make AI actually work for you. Summary Turns Agenvoy into a s

Every time someone starts self-hosting - a homelab, a few internal services for a small team - they tend to fall down the same rabbit hole: should I r

Why I'm Learning Go in 2026 (A Java/Kotlin/Rust Engineer's Take) I've spent the better part of six years writing Java and Kotlin in product

Custom Golang development services help businesses build fast, secure, and scalable applications tailored to their unique requirements. As companies h

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In the previous article, we saw how to normalize login timing to prevent enumeration via timing oracle. But even with constant timing, an attacker can

Every non-trivial business operation touches more than one system. An e-commerce order reserves inventory, charges a payment method, and schedules a

By Sergio Colque Ponce — Software Engineering, Universidad Privada de Tacna. Full source code: github.com/srg-cp/design-principles-go When people s

Diving into Go has been incredibly refreshing. Coming into it, you might expect a powerful language to come bogged down with complex syntax. Instead,

A retrospective on toykv — a single-node, in-memory key-value store with append-only-file persistence, RESP2-compatible on the wire, three binaries,

Introduction In the world of Go programming, the struct{}—an empty struct—stands out as a curious anomaly. It occupies zero bytes of memo

A while back I ripped a regex out of my SQL parser and replaced it with twenty lines of hand-written string scanning. Then I got nervous. Hand-rolling

A founder told me last year: "We need admin features shipped by Friday. Can we just hardcode the roles for now?" That was 7 months ago. They're st

I make a lot of design decisions on gut feeling. Is this the right way to structure MCP tools? Should the transport be remote or local? How much conte

In the previous article, we saw how to serve three mTLS audiences on a single port with SNI routing, and how cert binding protects against session rep