Since I’m personally becoming more familiar with HERE XYZ, I’ve been learning about all the bits and pieces that go with it, and that includes data formats such as GeoJSON. In a previous tutorial titled, Format Data into GeoJSON with JavaScript to be used…

My name is Marko and I gave a talk at Gophercon Russia this year about a very interesting kind of indexes called “bitmap indexes”. I wanted to share it with the community, not only in video format.

Ever wondered what mTLS (mutual TLS) looks like? Come, learn to implement mTLS using Golang and OpenSSL. Introduction TLS (Transport Layer Security) provides the necessary encryption for applications when communicating over a network. HTTPS (Hypertext Transfer…

In the last post we review our architecture and the reason behind to take that architecture as the way to go, in this post we will review…

During my software developer experience, I have seen many bad practices as a code reviewer and collec...

Thoughts of a grumpy geek on technology and probably a few other things.

Who doesn’t love fully controllable asynchronous APIs? This post is about crafting asynchronous functions using Golang’s Context, Channels, and Goroutines. Introduction For the purpose of this post, let’s consider a user who is searching for a few flights…

Update On 19.07.01 there was a firmware update, now OP-Z can sample from usb or the mic making half of this article deprecated.
Intro It began in the summer of 2018, when I’ve been playing with my PO-20 “Arcade” wondering if it’s hackable, maybe there’s a…

Jayaganesh KalyanasundaramJun 5 · 3 min read

Lock and Mutex are very basic ideas in every language and OS.Recently, I think for a while about Lock / Mutex/ SpinLock / Reentrant Lock / Distributed Lock, and find something interesting.

A guide to understanding the

Testing your code is an essential part of software engineering. Whether you write code first and then tests or the other way around, there should be no discussion about writing tests. The expectation of testing should not be to find bugs but to have a stable…

Phoronix is the leading technology website for Linux hardware reviews, open-source news, Linux benchmarks, open-source benchmarks, and computer hardware tests.

A short overview of the testing package The testing package from Golang’s standard library provides support for automated testing of Go packages. It is intended to be used in combination with the go test command. In combination with go test, this package…