Articles by Andrzej Krzywda

Audit log with event sourcing
Andrzej Krzywda
Code review of an Order object implemented as a state machine
Andrzej Krzywda
Anti-IF framework - if/else based on type
Andrzej Krzywda
Upgrading a trivial Rails app from Ruby 2.3.1 to 2.7 and from Rails 4.2.6 to 6.0.3
Andrzej Krzywda
Overcome 10k rows database limit on Heroku by upgrading the database plan
Andrzej Krzywda
How to work remotely and not get crazy
Andrzej Krzywda
Remote Mob Programming — review of ideas and the book
Andrzej Krzywda
Legacy Rails DDD Migration strategy — from read models, through events to aggregates
Andrzej Krzywda
Rubyʼs raise Exception.new or raise Exception — they're both the same
Andrzej Krzywda
OOP Refactoring: from a god class to smaller objects
Andrzej Krzywda
10 lessons learnt from the Ruby Refactoring Kata - Tennis Game
Andrzej Krzywda
How many Ruby programmers are there in the world?
Andrzej Krzywda
I was a CRUDoholic
Andrzej Krzywda
Big events vs Small events — from the perspective of refactoring
Andrzej Krzywda
Command sourcing — why I am considering it
Andrzej Krzywda
Event scout rule
Andrzej Krzywda
Use channels, not direct messages — 9 tips
Andrzej Krzywda
Make your Ruby code more modular and functional with polymorphic aggregate classes
Andrzej Krzywda
Physical separation in Rails apps
Andrzej Krzywda
What I learnt from Jason Fried about running a remote/async software company
Andrzej Krzywda
Testing deprecations warnings with RSpec
Andrzej Krzywda
Non-coding activities in a software project
Andrzej Krzywda
Passive aggresive events - code smell
Andrzej Krzywda
Self-hosting Event Store on Digital Ocean
Andrzej Krzywda
The vision behind Rails, DDD and the RailsEventStore ecosystem
Andrzej Krzywda
What's inside the Rails DDD workshop application?
Andrzej Krzywda
All Rails service objects as one Ruby class
Andrzej Krzywda
A potential problem with PStore and Rails
Andrzej Krzywda
How to unit test classes which depend on Rails models?
Andrzej Krzywda
Educate about DDD/CQRS/Event Sourcing at the Facebook group
Andrzej Krzywda
Dealing with randomly failing tests from a team perspective
Andrzej Krzywda
Ruby exceptions are 4400 times faster than ActiveRecord::Base#create
Andrzej Krzywda
Rails and adapter objects: different implementations in production and tests
Andrzej Krzywda
The typical Ruby bugs with changing the last line in a method
Andrzej Krzywda
Overcommunication is required for async/remote work
Andrzej Krzywda
Running bash command from Ruby (with your bash_profile)
Andrzej Krzywda
The esthetics of a Ruby service object
Andrzej Krzywda
Developers as DDD bounded contexts representatives
Andrzej Krzywda
Command bus in a Rails application
Andrzej Krzywda
Two dimensions of a Rails developer's growth
Andrzej Krzywda
The quotes from the Post Rails Book Bundle books
Andrzej Krzywda
Mutation testing of Rails views
Andrzej Krzywda
The story behind our Rails TDD & DDD video class
Andrzej Krzywda
70% off the Rails / TDD / DDD / mutant video class until 11pm 19.05.2016 CEST
Andrzej Krzywda
Testing aggregates with commands and events
Andrzej Krzywda
Rails: MVP vs prototype
Andrzej Krzywda
From legacy to DDD: What are those events anyway?
Andrzej Krzywda
Where and why I'm still using Rails
Andrzej Krzywda
From legacy to DDD: Start with publishing events
Andrzej Krzywda
A single Rails API endpoint to accept all changes to the app state
Andrzej Krzywda
Arkency React.js resources
Andrzej Krzywda
Slack-driven blogposts
Andrzej Krzywda
How can Rails developers benefit from reading the Arkency books?
Andrzej Krzywda
Am I ignored in my async team?
Andrzej Krzywda
Arkency goes React
Andrzej Krzywda
How good are your Ruby tests? Testing your tests with mutant
Andrzej Krzywda
Extract a service object using SimpleDelegator
Andrzej Krzywda
Mutation testing and continuous integration
Andrzej Krzywda
Why I want to introduce mutation testing to the railseventstore gem
Andrzej Krzywda
Blogging: your English is good enough, but
Andrzej Krzywda
Extract a service object in any framework
Andrzej Krzywda
Blogging - start from the middle
Andrzej Krzywda
The reasons why programmers don't blog
Andrzej Krzywda
Does everyone in your team write good code?
Andrzej Krzywda
Beyond the Rails Way
Andrzej Krzywda
Unit tests vs class tests
Andrzej Krzywda
Take most out of async textual standups
Andrzej Krzywda
Async & remote - toolbox
Andrzej Krzywda
Rails Refactoring: the aha! moments
Andrzej Krzywda