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In the previous article we saw how Reflector calls List/Watch and feeds events downstream. The immediate destination of those events is DeltaFIFO — th
In the previous article we saw that Informer's core mechanism is List/Watch. The component responsible for executing that mechanism is Reflector. Ever
If you've ever built a Kubernetes controller — or wondered how kube-controller-manager keeps thousands of resources in sync — the answer is Informer.
If you're building an app that needs traffic data, you have a few options. The big names — HERE, TomTom, INRIX — dominate the market. But they all sel
Somebody filed a bug on cosmos-sdk a few months back (#25006) that's the kind of thing I love finding. It's reproducible against a public RPC endpoint
Hey DEV community! 👋 I'm an undergrad developer who spent the last few months hacking on something I'm excited to share: OpenAgent — a local AI Agent
How to use Charm's VHS to create GIF-based visual regression tests for your CLI's terminal output — catching formatting bugs that unit tests miss. Yo
Have you ever called a function and wondered what really happens inside the computer? package main import "fmt" func add(x int, y int) int {
A smarter way to track farm markets in Kenya Over the past few months I’ve been building Klimatt, a farming platform focused on helping far
Black Friday. 9:02am. Your e-commerce platform has been live for two minutes. A limited-edition sneaker drops - 500 pairs in stock. Within seconds, t
Building a Job Application Tracker with AI-Powered Resume Analysis Author: Ahmad Fauzan Alghifari Source Code: GitHub Repository Job hu
Your JSON unmarshalling drops from 250ns to 150ns. That’s 40% faster! The graphs look amazing, your code review gets approved, everyone’s…
8 race conditions. That's what three months of "I'll add -race later" bought me. The codebase is a Go backend for a freelance studio automation tool.
A few weeks ago I wrote about why I don't want to give Claude SSH access to my home server. It's not that AI agents are useless. It's the opposite. T
I was testing the Ark Runtime Kernel (https://www.arkruntime.com) on a standard Go coding task: “Write a function in Go that reads CSV.” The internal
Hello there! A few months ago I built nevinho, a personal AI agent I run on my own machine. Bash, file edits, web search, voice input, the works. It
Every Go application eventually needs configuration. At the beginning, it is usually innocent: port := os.Getenv("PORT") Then the applicatio
Solving the Dual Write Problem Without Losing Data Distributed systems fail in uncomfortable ways. Sometimes the database commit succeeds
I lost an hour last Tuesday to a function that didn't exist. The agent had written what looked like fine Postgres code, db.QueryRowContext with a cont