Without using multistaged Dockerfile This article is for those of you, who are using Docker and Go. Precisely… to those of you using Go in Docker. The goal of the article is to give you an idea, how to make multiarch Docker images as small as possible and as fast…

Using Go 1.18 and UPX If you are a developer, chances are you always wanted your code to be faster, better, more readable, … Also, I hope, you wanted to have your executables (binaries) in smallest possible size. If you are using Go, maybe you were surprised, how “big” can…

Including network setup software and remote control — This is an update of a previous article. Raspberry Pi read-only kiosk mode: 2021 complete tutorial Including network setup software and remote controlitnext.io The basis of this update is RaspberryPiOS 64-bit, version from January 28th 2022, BullsEye 11 with kernel 5.10. The service running on the RaspberryPi is updated with new features. Raspberry Pi 4b was used in the process.

December 2021 edition — This article is written for those of you with a Touchbar flickering problem. By this, I mean something like on video below. After few days of digging, here is the summary of the problem: flickering happens only when Touchbar is not active flickering happens sort of randomly flickering does…

With a real world like example — This article can be treated as a second part for a previous article about web-socket communication, written by Petr Jahoda. WebSocket communication between two Go programs, the easy way With a tip, when running Go programs in Dockeritnext.io Because there was an interesting discussion at reddit, suggesting using SSE, GRPC, Message queues (and there are plenty of others), I thought about making an article on (comparing) those communication…

With a tip, when running Go programs in Docker — This article was written with one idea in mind: to show you, how to make a communication between two Go programs, using WebSockets. The simplest possible way. This article is a standalone addition to series of articles by Petr Jahoda and it would be wise to incorporate this type of…

In one simple example — This article was created especially for my son, who had hard times understanding using pointers and interfaces. To make the explanation complete, I added (with his help) two things: functions and methods. I see those two as a complement to pointers and/or interfaces. Or vice versa. This explanation is divided…

Few months ago, I did two benchmarks. The first one tested three database engines and the second one only PostgreSQL. You can find those benchmarks in those two links below. Both articles are written by Petr Jahoda. Benchmark databases in Docker: MySQL, PostgreSQL, SQL Server Plus MariaDB, Percona and TimescaleDBitnext.io Benchmark PostgreSQL on all three systems: Docker versus native With all PGTune settingsitnext.io

Using Jetbrains Rider — This will be a short and quick tutorial on “how to use Jetbrains Rider to upgrade application from .NET Core 2 and/or .NET Core 3 to .NET 5”. There are numerous ways, how to do this exact thing. In this article, we will make a new .NET 5 project and…