Programming Tutorials

My learning so far I absolutely love learning to code. I gave it up to vibe code earlier last year and completely regret it. At first it fe

My intention with this article is to show how I'd implement role-based access control (RBAC) if I had to - in the hope that it acts as a guide for whe

A managed Kubernetes cluster on AWS starts at ~$73/month, just the control plane, before you run anything on it. Add a load balancer, a managed Postgr

This is part 2 of our authentication and authorization series. In the previous part, we implemented an authentication system from scratch in Golang wi

You change a field on a Go struct. Three days later a TypeScript component reads that field, still expecting the old shape, and the bug ships. The c

If you've ever worked with IoT devices over MQTT, you know the tooling situation is... acceptable at best. MQTT Explorer is great for inspecting traff

เขียน Go แบบ Java/Ruby/PHP — ทางลัดสู่ Technical Debt โดยไม่รู้ตัว มีเรื่องเล่าใน community Go ว่าเคยมีคนเขียนโค้ดแบบนี้ส่งมาที่ code revie

Double Report — เมื่อ Error ถูก Log ซ้ำซากใน Go หรือที่ฝรั่งเรียกกันว่า "log and return" anti-pattern เคยเจอไหม? เปิด log มาดู error เดี

Go 1.27 — Generic Methods, JSON v2, UUID ใน stdlib ฯลฯ ⚠️ Go 1.27 ยังไม่ release นะทุกคน release notes ยังเป็น draft อยู่ คาดว่าจะออกจริงป

TL;DR Bumblebee is a read-only supply chain scanner from Perplexity AI that checks your installed packages, editor extensions, MCP configs,

Introduction Go, born out of a desire for simplicity and efficiency, has long thrived on a conservative evolution strategy. Version 1.26 ex

Our video metadata API was fast in Frankfurt and miserable everywhere else. A user in São Paulo asking for the trending feed was waiting 380–450ms jus

Getting the public IP in Go — no dependencies, no API key Go's standard library is famously self-contained, and IP detection is a case wher

How to monitor your Go web app with uptime checks and heartbeat monitoring (free) Your Go service crashed overnight and you found out at 9

Deploying applications across multi-region or multicloud environments provides a false sense of security if the underlying architecture relies on unif

Olá, comunidade DEV! 👋 Recentemente, compartilhei como reescrevi completamente o motor do Classic ASP do zero em Go para salvar aplicações legadas da

You ask the AI for tests. It hands you twelve, all green. CI passes. You merge. Three days later a bug ships, on a function those tests were supposed

Why using strconv instead of fmt for converting typical data types to string alot of us use fmt.Sprint to convert basic data types to strin

Prerequisite: This guide covers how to profile and diagnose complex performance issues in production. If you are specifically dealing with unbounded

(Left side macos, rightside windows) Work on shared files instantly. No more waiting for uploads or downloads. Open a 40 GB file and start working r