Introduction One of the exercises I give to students is to download a single big file over HTTP concurrently using several goroutines using HTTP Range requests. An extra part of the exercise is to validate the downloaded file from a known MD5 signature. This extra part turns out...
with Cheikh Seck Introduction This is the first in a series of posts that will explore the Rust programming language. I am going to take the same approach I did with Go and write little programs that explore the different features of the language. Before I begin that work, I thou...
One of my favorite things about the recent Go 1.20 release is the new http.ResponseController type, which brings with it three nice benefits: You can now override your server-wide read and write deadlines on a per request basis. The pattern for using the http.Flusher and http...
Introduction In episode 5, Miki wrote a function that counted the number of lines in a file with interfaces. The first thing his function did was to open a file with Go’s os.Open function. Miki chose this method because the variable returned by said function implements the io.R...
The February release got a little late… better later than even later, I guess! 😄 goreleaser healthcheck It is packed with some juicy features and tons of bug fixes and quality-of-life improvements. Let’s take a look: Highlights On GoReleaser Pro y...
Update 2023-05-27: If you're looking for an option that works with GoReleaser and go installs, check out my more recent post Getting a --version flag for Cobra CLIs in Go. As part of working on my new Go CLI dmd, I wanted to implement a --version flag to be able to check what ver...
Introduction In episode 4, Miki defined an enumerated type that satisfied Go’s fmt.Stringer interface. By implementing the fmt.Stringer interface, Miki can specify how his enumerators were printed within a formatted string and in this case, he expected the values to be displaye...
How I switched hosting my Go-based side projects from Amazon EC2 to Fly.io, significantly simplified deployment, and saved a bit of cash while I was at it.
While working on creating a new Go CLI dmd, I wanted to set up Gorelaser to make builds much simpler, as I wanted to be able to use this with both my Linux machine and my work Mac. I thought I had it working until I realised that I was using a library that required CGO to be buil...