The Thread Battle: Go Concurrency vs. Node.js Event Loop from First Principles
When building high-concurrency backend services, two ecosystems dominate the conversation: Node.js and Go (Golang). If you ask the internet how they h…
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Building Dhrishti - Part 3: Testing on a Production Grade System
I was now done with the basic setup. However, during my time working at my startup, I have learnt to think about a project wearing multiple caps. One …
Table-test или как помочь агенту понять как тестироваться
Агенты сейчас пишут тесты уже за многими из нас, будем объективны, все больше людей кидаем таску ему - получают пачку аппрувов и погнали все это мержи…
Parse, Don’t Guess
Three days before going open source, I deleted my parser's smartest feature. 333 lines. 6 functions. 12 passing tests. All green, all clever, all gone…
Go Packages and Modules explained
What is a package? In Go, every Go program is made up of packages. A package is a directory of .go files that share the same package declaration. The …
Services without Docker-in-Docker: how PikoCI handles test dependencies
If you've ever needed a database for your integration tests in CI, you've probably encountered one of these solutions: Docker-in-Docker. A separate do…
The Top Golang Mocking Libraries in 2026: A Practical Comparison
Hello, I'm Shrijith Venkatramana. I'm building git-lrc, an AI code reviewer that runs on every commit. Star Us to help devs discover the project. Do g…
Я устал от бесконечных списков чатов и написал свой приватный мессенджер на гексагональных сотах (Kotlin + Go)
Привет, Хабр! Меня, честно говоря, просто утомили современные интерфейсы общения и навигации. Куда ни посмотри — в Telegram, Slack, WhatsApp, на почте…
What Building a Go PDF Engine Teaches You About Real Engineering
There is a class of projects that teaches you more about a language than any tutorial ever could. Building a PDF engine from scratch in Go is one of t…
Почему в Go больно писать автотесты (и дело не в синтаксисе)
testing в Go даёт только примитивы. Разбираем, почему автотесты в Go быстро превращаются в боль, и какого слоя исполнения в нём не хватает. Читать дал…
Why Building a PDF Engine in Go Will Help You Understand Go Concepts Better
There is a class of projects that teaches you more about a language than any tutorial ever could. Building a PDF engine from scratch in Go is one of t…
50 Million Records in Under One Second — Inside ZenQL’s New Collection Engine
With the release of version 1.7.9, ZenQL’s Collection API, Thor, received substantial performance improvements, largely driven by a series of memory o…
Industrial Network Scanner: как мы написали на Go инструмент аудита безопасности ICS/SCADA-сетей
Привет, Хабр! Хочу рассказать об инструменте, который мы делали для реальных задач — аудита безопасности промышленных сетей. Называется Industri…
Resources for Learning to Build Technologies from Scratch with Go: Books and Free Online Courses
Introduction to Building Technologies from Scratch with Go Building technologies from scratch using Go is more than a learning exercise—it’s a gateway…
How I built an E2EE chat in Go + React (with AI agent support)
🚀 Try it now: Open the Arthas web app — create a room, share the code, chat with E2EE. No signup needed. TL;DR — Try It in 2 Minutes No signup require…
From Elasticsearch Bottlenecks to Weaviate: How We Built Fast Hybrid Search in Production
For years, Elasticsearch was one of those tools I would almost automatically reach for whenever a system needed search. And honestly, for many use cas…
How I Built a Real-Time Fraud Detection System That Handles 71,000 RPS at p95 <6ms
How I Built a Real-Time Fraud Detection System That Handles 71,000 RPS at p95 <6ms A deep dive into building Sentinel — an ML inference pipeline th…
How I built a Go middleware for Stripe-style idempotency-key handling
Retries in payment and order APIs are a classic footgun. Your client times out, retries the request, and you've just charged someone twice. The fix is…
Gloria JIT v4.4.0 — Bare-Metal Control, Memory Primitives, and Structured Flow
What is Gloria JIT? Gloria JIT is a low-level programming language and compiler that is part of the ForgeZero ecosystem. It is written in Go and compi…
FlameKit: An Open Source CLI for Codebase Risk Analysis
FlameKit: Analyze Git History to Find Technical Debt, Risky Files, and Refactoring Priorities ⭐ GitHub Repository: https://github.com/mrhujaifa/flamek…
Why we chose a Rust template engine and Go APIs
When people hear that one studio runs 7+ products, the first question is always about the stack. The honest answer is that the stack is the reason it'…
Frank: your supercharged Laravel Sail alternative
Today I'm super excited to come out of the shadows (as a "corporate developer") and finally propose the community something that (maybe) can be useful…
My test suite was green. My software was lying to me.
My CI was green. 1,885 tests, 66 packages, zero failures. go vet clean. The build was a single self-contained binary. By every signal a Go project giv…
I Built a Complete AI Infrastructure Stack from Scratch — Here's What I Learned
I Built a Complete AI Infrastructure Stack from Scratch — Here's What I Learned Most AI projects start at the top of the stack. You grab an LLM API, w…
Preserving semantic styles from DOCX/ODT in Go
Preserving semantic styles from DOCX/ODT in Go Most manuscript conversion tools are very good at moving text from one format to another. That sounds l…
I Deployed My Go Backend to a Real VPS. Here's Exactly What Happened.
In Part 14 , I finished HMAC webhook signing. The backend was complete — JWT auth, PostgreSQL, Redis caching, rate limiting, circuit breaker, worker p…
How hard can it be to build a CI/CD system?
How hard can it be to build a CI/CD system? That question stuck with me long enough that I actually started building one. Not because someone asked me…
Create Your First Linter in Go
What is a linter A linter is a static code analysis tool that scans source code without executing it. It flags programming errors, bugs, security vuln…
rdev-go-ddgen: Automating Domain Directory Boilerplate for Go Applications
When building robust backend APIs in Go, maintaining a consistent, clean architectural pattern across domain directories is essential for scalability.…
Retrying HTTP Requests in Go Without Making It Worse
When you call an external API, things go fine until they don't. A network blip, a server restart, a rate limit. So you add a retry, and most of the ti…