Coming in Go 1.16: ReadDir and DirEntry

A look at the new os.ReadDir function and os.DirEntry interface coming in Go 1.16, with a comparison to os.scandir in Python.

Making tracking upstream Git repositories a bit quieter

Microservices test architecture. Can you sleep well without end-to-end tests?

Do you know the rare feeling when you develop a new application from scratch and can cover all lines with proper tests? I said “rare” because most of the time, you work with software that has a long history, multiple contributors, and a less-than-obvious testing appro...

Scheduling Function Calls with Zero Allocation

Author(s): Changkun Ou Permalink: https://golang.design/research/zero-alloc-call-sched GUI programming in Go is a little bit tricky. The infamous issue regarding interacting with legacy, GUI frameworks is that most graphics related APIs must be called from the main thread. The i...

Debug AWS Lambda Functions with Gebug

What you can and can't build in Go's module mode

Writing Simulations Using Go

Introduction If you can write a for-loop, you can do statistics. - Jake Vanderplas A lot of developers shy away from problems which involve statistics or probability. Which is shameful since in today’s data-rich environment, you can gain a lot of insights from data. In this...

GoReleaser: 4 years releasing software

Last year, I made a blog post about GoReleaser turning 3 years old.

A few bytes here, a few there, pretty soon you’re talking real memory

Today’s post comes from a recent Go pop quiz. Consider this benchmark fragment. A convenience wrapper around sort.Sort(sort.StringSlice(s)), sort.Strings sorts the input in place, so it isn’t expected to allocate (or at least that’s what 43% of the tweeps who re...

A little puzzle with <code>printf()</code> and C argument passing