Andrzej On Software

In this episode you'll learn a bit about the current state of art with AI and playing computer games.

I try to find the most difficult academical paper on the topic and start from there.

Sometimes it happens - what to do now?

It can actually be both! But usually feature toggles are a better option

Event sourcing helps with providing the historical context.

The blogpost I'm talking about: http://blog.arkency.com/2017/02/how-to-unit-test-classes-which-depend-on-rails-models/Link to my book about blogging: http://blog.arkency.com/blogging/

Sometimes it's hard to decide which way to go in the project. 2 techniques which help here:1. Timeboxed experiments2. Reversible decisions

You can hard-delete an object, you can also use a boolean flag "deleted", you can use a datetime field called "deleted_at". You can also have a record per each deletion. Finally, you can just use events.What's best?

Collective Ownership + Small Stories + Single Backlog + Take the first task from the top Those techniques help you achieve the milestone in the project, where you're able to work on any part of any system.

Integration tests bring more value if you're planning a bigger architecture refactoring. However, if you're mostly happy with the architecture, then unit tests will give you more benefits.

When is a good moment not to change an existing code but instead write a new module/class and replace it, in the spirit of immutability?

One person working remotely forces the whole company to follow remote techniques, in order to be efficient.

Often developers are waiting for the mythical Domain Expert to ask questions. What if most of the questions can be answered by google?

We're often asked for estimates, but the business is not always specific what is the actual need. Do they care about the calendar deadline or do they care about the budget now?

We try to find the perfect tool which would fit both, the developers and the project managers? What if this is a non-perfect approach? What if we go with two different tools?

Are we faster than 20 years ago? Are we making less bugs?