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…
RubyGems Bitcoin Stealing Malware postmortem
Introduction On the 7th and 13th of December, there were two malicious packages uploaded to…
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…
Posted inapache kafka kafka Karafka
Karafka framework 1.4.0 Release Notes (Ruby + Kafka)
This release mostly solves problems related to message deserialization and normalizes some of the naming…
Posted inPerformance Ruby Ruby 2.7
The hidden cost of the Ruby 2.7 dot-colon method reference usage
Note: This case is valid also for the “old” #method method usage. The reason why…
NameError: undefined method ‘parse’ for class ‘NilClass’ when doing Time.zone.parse
If you get following error when trying to parse time: Time.zone.parse('2019-01-01 11:11:11') Traceback (most recent…
Posted inapache kafka kafka Karafka
Karafka framework 1.3.0 Release Notes (Ruby + Kafka)
Note: These release notes cover only the major changes. To learn about various bug fixes…
Ruby 3 gathering/hack challenge summary
Many of you may not be aware, but Ruby 3 is not only a distant,…