RSpec story about disappearing classes
ActiveSupport#descendants can be slow. In a bigger system with layers of descendants, finding all of…
Posted inbenchmark Karafka karafka framework
Reduce your method calls by 99.9% by replacing Thread#pass with Queue#pop
When doing multi-threaded work in Ruby, there are a couple of ways to control the…
Controlling Elgato Key Light under Ubuntu with Ruby
Recently I’ve acquired Elgato Key Light. It is a WiFi controllable LED lighting panel. The…
Reading the uncompressed GZIP file size in Ruby without decompression
There are cases where you have a compressed GZIP file for which you want to…
RubyGems dependency confusion attack side of things
Note: This article is not to deprecate any of the findings and achievements of Alex…
How requiring a gem can mess up your already running application
Introduction Ruby’s dynamic nature is both its advantage and disadvantage. Being able to reopen system…
Posted inKarafka karafka framework Performance
The hidden cost of a Ruby threads leakage
Bug hunting Recently I’ve been working with one small application that would gradually become slower…
Diffend – OSS supply chain security and management platform for Ruby
I’m incredibly excited to announce a security platform for managing Ruby gems dependencies: diffend.io. This…
Building a Ractor based logger that will work with non-Ractor compatible code
Recently Mike Perham shared a tweet with this comment and a code sample on the…
How to install QGIS 3 on Ubuntu
The last days I was asked a lot, how and where to install the new QGIS 3. Until now there are no Windows binaries available (as far as I know…). But you can install and run QGIS 3.0 on Linux. If you are running Ubuntu 17.10 (artful) or even 18.04 (bionic) (beware, it’s still alpha […]
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