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CEChukwu Eberechitessie475.hashnode.dev1d ago · 10 min read

Multiple GitHub Accounts on One Machine in Two Commands

Most developers end up with more than one GitHub account: one for work, one for personal projects, maybe one for a client. Git can handle this, but doing it by hand takes a few separate pieces of setu

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VOVitaliy Obolenskiyskillhacker.hashnode.dev1d ago · 2 min read

🚀 Senior Go Interview Question: The Graceful Shutdown Trap

If you are interviewing for a Senior Backend role in Go, you will almost certainly be asked about concurrency and lifecycle management. Here is a classic question that perfectly separates mid-level de

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HYHamed Yousefihmdsefi.hashnode.dev2d ago · 7 min read

Finding cycles and hidden dependencies in go mod graph

go mod graph prints every requirement in your module graph, one per line. For Prometheus that's 2,510 lines covering 893 module versions. All the information is there, but not in a form you can read.

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UKUtkarsh Kumar Singhutkarshkrsingh.hashnode.dev3d ago · 7 min read

One Window, N Requests: Building a Rate Limiter from Scratch in Go

Originally published on utkarshkrsingh.com Why Does a Rate Limiter Exist? Suppose you build a REST API for some business purpose and deploy it. Suddenly, one morning, you see that your server has cra

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DPDávid Pörösdavidporos92.hashnode.dev3d ago · 6 min read

Building MarginCMS, part 1: Contract first, code later

I'm building a small CMS in Go. It's called MarginCMS, it has a React admin on top, and it won't replace anything I already use. This series is the build log: what I decided, what I wrote, and what tr

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DPDávid Pörösdavidporos92.hashnode.dev3d ago · 12 min read

Building MarginCMS, part 2: A Go server generated from the spec

In part 1 I wrote the OpenAPI contract for MarginCMS and planned the backend. In this part the Go service comes to life: a server generated from the spec, config from environment variables, stub handl

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Ssamymacadress.hashnode.dev3d ago · 2 min read

MAC vendor lookup in 5 languages (curl, JS, Python, Go, PowerShell)

Network inventories, SIEM alerts and DHCP logs are full of MAC addresses, and the first question is usually "what made this device?". The answer is in the OUI, the first 24 bits, which the IEEE assign

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KLKaveesha Lakshankv-tech.hashnode.dev5d ago · 15 min read

Top 25 Programming Languages | 2026

The software engineering landscape in 2026 is heavily driven by Artificial Intelligence (AI), Cloud-Native Architectures, and Memory-Safe High-Performance Systems. Whether you are a beginner taking yo

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AMAhmed Mahsookahmedmahsook.hashnode.dev5d ago · 8 min read

Building a Financially Correct Wallet and Settlement System in Go

When I started building PriceFlow's wallet, I assumed the hard part would be CRUD: add money, subtract money, done. It wasn't. The hard part was defining what "correct" actually means when money is in

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BCBrock Claussenfoxhole.hashnode.dev5d ago · 5 min read

Classify the errors before you trust the score

OpenAI is shutting off gpt-5.4-nano on 1 April 2027. In Mousing, my document extraction platform, nano did two jobs: it classified incoming documents, and it was the verifier, the second model that re

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#golang

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Trending tags this week

Multiple GitHub Accounts on One Machine in Two Commands

🚀 Senior Go Interview Question: The Graceful Shutdown Trap

Finding cycles and hidden dependencies in go mod graph

One Window, N Requests: Building a Rate Limiter from Scratch in Go

Building MarginCMS, part 1: Contract first, code later

Building MarginCMS, part 2: A Go server generated from the spec

MAC vendor lookup in 5 languages (curl, JS, Python, Go, PowerShell)

Top 25 Programming Languages | 2026

Building a Financially Correct Wallet and Settlement System in Go

Classify the errors before you trust the score