Curated development tutorials from top sources. Filter by language.
Background Six months ago, our webhook delivery platform was running on Go. It worked fine for the first few months — we were processing ar
The first idea was simple. Take a log line. Look at suspicious parts. Count entropy. Hide anything that looks like a random secret. PII means person
If you've ever built a Go tool that needed package metadata — documentation, versions, symbols, import counts — you already know the pain. You were ei
It is genuinely wonderful to see the world of Classic ASP coming back to life. For a long time, it felt like a relic of the past, but the recent wave
I built an autonomous SRE system where a local LLM diagnoses production incidents, proposes a fix, and a deterministic engine decides whether that fix
Why a single binary matters for tunnel administration If you have ever stood up an SSH tunnel server on a fresh VPS, you know the real cost
Tenho alguns arquivos de vídeo locais e queria algo mais simples que o Jellyfin ou Kodi, inteiramente no terminal. Não encontrei nada que servisse, en
A retrospective on toymq — a single-node persistent message broker in Go, recreated by hand to understand one of the smallest functional units in a d
Most Go CLIs start simple. You add Cobra, create a few commands, put the logic inside RunE, call fmt.Println, read a couple of flags, and ship it. F
The first time I saw context.Context, I thought: "Oh, a way to pass timeouts. Nice." I was wrong. Embarrassingly wrong. The kind of
The Problem: The Mysterious 2-Second Freeze Imagine your Go microservice is a chef in a busy kitchen. It processes orders (JSON payloads) s
Executive Summary go-intake is a minimalist, streaming-first ETL toolkit for Go developers that transforms messy data into validated, recor
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 d
As a cybersecurity student, I spend a lot of time working with tools like Binwalk, ExifTool, file, strings, and YARA. They're powerful, but the workf
The backend language nobody hyped is now running the infrastructure everyone depends on. Here’s why that happened and what it means for your stack.
spanner-etcd is an open source (Apache 2.0), drop-in etcd v3 replacement backed by Google Cloud Spanner. Same API, no client changes — just point --et
Our AWS bill went up about 6% a quarter for a year and nobody could say why. No new product, no traffic spike, only a number drifting up and to the
In this blog, we'll walk through the process of building Kafka Producer and Consumer microservices using Go, integrated with Docker. We will, Build
This blog is the practical companion to Kubernetes Fundamentals. We will build a real Go HTTP server, containerize it with Docker, and deploy it to a
The Slice Trap That Cost Me 4 Hours (And How to Never Fall Into It Again) You've been there. The bug that makes no sense. The data that cha