Here is a list of topics I'm going to write about in the next few months. If you want to add something here, please submit a pull request.
When should you implement more than one interface instead of using a decorator?
Support principles. Free, Paid, Fast, Slow, Open Source, Commercial. What's the right approach that everyone should adopt?
Does Enterprise Messaging have a future and can anything be done to simplify EAI?
To what extent should people think for themselves?
Good vs bad people: http://www.yegor256.com/2015/02/09/serious-code-reviewer.html#comment-3704330780
Design bubble
How much OOP is in Kotlin?
Fluent interface and OOP: http://www.yegor256.com/2014/04/11/jcabi-http-intro.html#comment-3683882559
Serialize/deserialize and OOP: http://www.yegor256.com/2017/12/05/data-access-object.html#comment-3671137267
How to do risk management right
Why do we need interfaces if we have PowerMock? http://www.yegor256.com/2017/11/14/static-factory-methods.html#comment-3633206640
How to implement data layer in OOP
Data structures, sorting, and OOP: http://www.yegor256.com/2015/04/02/class-casting-is-anti-pattern.html#comment-3235867316
Prototype-based inheritance
RxJava
Monads
Object composition vs function composition
Biggest mistakes architects make
Technical democracy - how to make decisions with multiple opinions
Equality is a perfect way to ruin a software team
Bigger ORM example: http://www.yegor256.com/2014/12/01/orm-offensive-anti-pattern.html#comment-2736011652
Example of properly architectured projects/proper architecture with pictures.
Word about a distributed systems, how should they communicate with each other (should it be RPC-over-something or message passing or whatever).