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gRPC interceptors are the middleware pattern, specialized for gRPC. If you've written HTTP middleware before, the shape is familiar — a function that
Go 1.18 shipped generics in March 2022. The two years before that were dominated by hopeful blog posts ("finally, a real type system!") and the two ye
Go's performance culture has a ritual quality. "Use sync.Pool." "Avoid interface boxing." "Preallocate slices." Copy-pasted from blog posts and applie
sync.Pool is one of those Go features that shows up prominently in "how to write fast Go" blog posts and then gets applied to everything. The result i
In the last post I walked through the four concurrency pillars — shared memory + locks, CSP, actors, STM — and argued that real systems mix them on pu
Merge Sort es un algoritmo de ordenamiento basado en el paradigma Divide y Vencerás. Divide recursivamente el arreglo en mitades hasta llegar a eleme
I didn't expect a load balancer to make me uncomfortable. But here we are. I built one in Go for my MSc case study. Round-robin distribution, health
In August 2024 Andrei Merlescu wrote a package called verbose and released it under the Apache 2.0 license. The idea was novel: when interacting with
O Fyne é um toolkit gráfico moderno criado para simplificar o desenvolvimento de interfaces gráficas com a linguagem de programação Go. Com ele, é po
If you've been following this tutorial, you'd have the following file structure: Unit testing With unit testing we just want to verify t
Go has an inbuilt regexp package which supports regular expression by the RE2 engine. This is because of this single and self-sufficient design choice
How I deleted a generic Pipeline[T] framework and a pass-through workflow layer, and why the codebase got better by having less code. The hardest ref
In Part 3, I built authentication — JWT tokens, bcrypt hashing, middleware that wraps handlers like Russian dolls. The API had four endpoints and was
CQRS in Go series: Part 1: the aggregate, Transition() and Clone() Part 2: command handlers without side effects Part 3: sagas and event chor
I Built an AI That Remembers You (No Login Required) Every AI chat I used felt the same. You talk. It replies. You refresh… And suddenl
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A journey through the beautiful chaos of concurrent programming. You’re sitting at your desk at 3 AM, staring at a bug that only appears in productio
I got tired of paying for fitness tracking apps and not owning my data, so I built Lyftr — a self-hosted workout tracker you can run on your own serve
Hey DEV community! 👋 Recently, I shared how I completely rewrote the Classic ASP engine from scratch in Go to save legacy applications from Microsoft
You clone a repo you've never seen before and you want to understand it. Not the code, not yet. The shape of the project. Who's been working on it? Ho