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Andrzej Krzywda Profile picture
@andrzejkrzywda
Nov 2, 2019 • 4 tweets • 2 min read • Read on X
Ruby AOP experiments with #prepend

Using prepend + super we can simulate the AOP's before advice Image
now the same, but with refine Image
now with TracePoint

title needed to be made public getter to make it easier Image
repo with those examples: github.com/andrzejkrzywda…

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More from @andrzejkrzywda

Andrzej Krzywda Profile picture
Oct 25, 2022
The missing Ruby on Rails architecture

🧵let me explain the 10 rules here
1. App layer vs domain layer

Assume that controllers and service objects are app layer (a bit simplification here, but bear with me).

Service objects can never call each other. They are the application facade.
2. App layer modularisation is based on what "apps" you have

Usually you have some public facing app, admin panel, mobile API, some integrations.

Those are good candidates for "modules" at the app layer. Don't confuse it with domain layer.
Read 15 tweets
Andrzej Krzywda Profile picture
Sep 20, 2020
Let's fight this monster

/thread Image
First rule: test coverage, no changes can be made if you're not secured
ideally with mutation testing showing us alive mutants Image
We're killing this mutant with new tests Image
Read 21 tweets
Andrzej Krzywda Profile picture
Aug 23, 2020
Image
my definition is that nocode/lowcode can be used by non-programmers
Rails allows that, non-programmers can scaffold an app, make some tweaks and deploy to users, all alone, without writing much code
Read 4 tweets
Andrzej Krzywda Profile picture
Mar 10, 2020
I hate to make marketing based on the virus situation, but people keep asking me about async/remote work tips and most of the questions are answered in our (@arkency) "Async Remote" ebook.

blog.arkency.com/async-remote/ Image
Additionally, there are our "remote", free blogposts here - blog.arkency.com/tags/remote/ Image
Also, some aspects of async/remote work were covered in my vlogs on YT, like this one:
Read 5 tweets
Andrzej Krzywda Profile picture
Nov 13, 2019
threads in slack are NOT async-friendly
1. someone writes a channel message (M)
2. I read it, interesting, but not much to add from me, yet
3. I go to focus on my task, turn off slack
4. other people add new messages to that channel, less related
5. the original message M is now one screen/scroll behind
6. someone comments on M by replying in a thread
7. they forget to check the "send to channel" (because it's not on by default and it's easy to forget)
8. original author replies to thread (again not to channel)
9. they keep exchanging interesting points
Read 6 tweets
Andrzej Krzywda Profile picture
Oct 29, 2019
My favourite time - books around and researching new/old architectural ideas

Have you signed up to my tomorrow’s Rails Architect webinar already?

There will be:

OOP
FP
DCI
AOP
microservices aka distributed objects

and more

with practical examples Image
arkency.com/webinar/
Image
Read 4 tweets

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