Matheus Mina

@mfbmina

Brazilian, dog lover, martial artist and computer scientist!

Science & Technology

Brazil

mfbmina.dev

Joined September 2016

1KPosts 284Followers 224Following

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Matheus Mina

Nov 1

go.dev/blog/greenteagc

Matheus Mina

Oct 13

The Go Way - by @eminetto youtube.com/watch?v=KrgIJd…

mfbmina's tweet card. The Go Way

youtube.com

YouTube

The Go Way

Source: youtube.com

Matheus Mina reposted

PixelsTech

Oct 3

Breaking down Go's sync package Go's sync package helps manage concurrent routines using tools like waitgroups for coordination, mutexes for resource protection, atomic types for primitive operations, maps for safe concurrency, Once for single-execution guarantees, Cond for…

PixelstechNet's tweet card. In my opinion, Go provides excellent support for concurrent work, not only due to goroutines but also because of the language’s ecosystem. A great example of this is the sync package, which helps...

Breaking down Go's sync package

Source: mfbmina.dev

Matheus Mina

Oct 2

Hey guys, new post at the blog! #go #golang mfbmina.dev/en/posts/2025-…

mfbmina's tweet card. In my opinion, Go provides excellent support for concurrent work, not only due to goroutines but also because of the language’s ecosystem. A great example of this is the sync package, which helps...

Breaking down Go's sync package

Source: mfbmina.dev

Matheus Mina

Sep 17

Fala galera! No dia 01/10 vou apresentar uma lightning talk na Golang SP e no PicPay! Espero vocês todos lá, pois o evento vai ser bem massa! #go #golang #meetup meetup.com/golangbr/event…

mfbmina's tweet card. ## Details ✅ **EVENTO PRESENCIAL E GRATUITO** ❗️**Informações Importantes:** *Só clique no botão da reserva se realmente puder comparecer presencialmente no evento.* *Lemb

Golang SP & PicPay - #102, Wed, Oct 1, 2025, 6:00 PM | Meetup

Source: meetup.com

Matheus Mina

Aug 29

This Friday, I changed the whole blog layout! What you think about it? mfbmina.dev

mfbmina's tweet card. by Matheus Mina

Source: mfbmina.dev

Matheus Mina

Aug 29

Essa sexta-feira eu troquei todo o layout do blog! O que vocês acharam? mfbmina.dev

mfbmina's tweet card. by Matheus Mina

Source: mfbmina.dev

Matheus Mina

Aug 23

mfbmina.dev/en/posts/waitg… #go #golang #concurrency

mfbmina's tweet card. Imagine the following problem: you need to process hundreds of records and generate a single output. One way to solve this is to process each record sequentially and unify the output only at the end....

Waitgroups: what they are, how to use them and what changed with Go 1.25

Source: mfbmina.dev

Matheus Mina

Aug 23

mfbmina.dev/posts/waitgrou… #go #golang #concurrency

mfbmina's tweet card. Imagine o seguinte problema: é necessário processar centenas de registros e gerar uma única saída. Uma forma de resolver é processar cada registro sequencialmente e só no fim unificar a saída....

Waitgroups: o que são, como usar e o que mudou com o Go 1.25

Source: mfbmina.dev

Matheus Mina

Aug 14

Bora falar de Go

mfbmina's tweet image. Bora falar de Go

Matheus Mina

Aug 8

Fala galera, passando pra divulgar uma vaga numa equipe próxima aqui: picpay.com/oportunidades-…

Matheus Mina

Jul 24

testcontainers: melhorando testes E2E mfbmina.dev/posts/testcont… #go #golang #tests #docker #testcontainers #bolhadev #comunidadedev #bolhatech #comunidadetech

mfbmina's tweet card. Em um post anterior mostrei algumas formas de melhorar os testes criando mocks das APIs que chamamos. Porém, isso nem sempre é suficiente e podemos precisar de testes E2E (ou testes de aceitação),...

testcontainers: melhorando testes E2E

Source: mfbmina.dev

Matheus Mina

Jul 24

testcontainers: improving E2E tests mfbmina.dev/en/posts/testc… #go #golang #tests #docker #testcontainers

mfbmina's tweet card. In a previous post I showed some ways to improve tests by creating API mocks that we call. However, that’s not always enough, and we might need E2E tests (or acceptance tests), for example, to test...

testcontainers: improving E2E tests

Source: mfbmina.dev

Matheus Mina

Jul 6

ordep.dev/posts/writing-…

mfbmina's tweet card. LLMs make it easier to write code, but understanding, reviewing, and maintaining it still takes time, trust, and good judgment.

Writing Code Was Never The Bottleneck

Source: ordep.dev

Matheus Mina

Jun 26

Hey people! My last post got featured @ @golangweekly! Check it out with other awesome posts! golangweekly.com/issues/559

Matheus Mina

Jun 19

Olá! Post novo no blog: Acabando com código morto nos projetos Go mfbmina.dev/posts/golang-d… #go #deadcode #refactor #programming #comunidadedev #bolhadev #comunidadetech #bolhatech

mfbmina's tweet card. Conforme o software que trabalhamos vai crescendo, a tendência é do código passar por diversas mudanças e refatorações. Nesse processo, podemos simplesmente esquecer pedaços de código que um dia...

Acabando com código morto nos projetos Go

Source: mfbmina.dev

Matheus Mina

Jun 19

Hey! New post at the blog: Eliminating dead code in Go projects mfbmina.dev/en/posts/golan… #go #deadcode #refactor #programming

mfbmina.dev

Eliminating dead code in Go projects

As the software we work on grows, the code tends to undergo various changes and refactorings. During this process, we might simply forget pieces of code that were once used but no longer make sense...

Source: mfbmina.dev

Matheus Mina reposted

Tiago Temporin

May 29

Quer deixar seu código Go mais idiomático e limpo? Veja como os packages slices e cmp simplificam ordenações e comparações: 👉 aprendagolang.com.br/conheca-os-pac… cc: @eminetto @sseraphini @mfbmina @laislima_dev #golang #programacao #backend #godev #GoLangTips

_ttemporin's tweet card. Aprenda como utilizar os packages slices e cmp no Go para simplificar ordenações e comparações de forma idiomática e segura.

Conheça os packages slices e cmp - Aprenda Golang

Source: aprendagolang.com.br

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