rasiim shabazz Profile picture
Aug 8, 2020 7 tweets 3 min read Read on X
one way to look at it is that #domainDrivenDesign is the union of technical #objectOrientedDesign tightly coupled with subject matter expertise, business analysis and modeling. #ddd is #ood with soul. #ddDesign is #ooDesign done right
in complex systems, or enterprise development

different people/teams may have different
povs/ models/ experiences/ conceptualization/ understandings

of the subject matter or problem to be solved, and ...

👇🏾
they dont realize that there are these different povs; and even if they do,

they dont see the danger of coding to different concepts as long as it "works"; so inevitably ...

👇🏾
they have confusing communication and meetings

they step on each others toes

they burn a lot of unnecessary code/energy/business-dollars

👇🏾
a solution might be:

to harp on constant refinement of the concepts within the subject matter i.e. domain i.e. the problem to be solved, and then

to diligently marry those refined concepts to code elements named by words in the shared (ubiquitous) domain language

✊🏾
"DDD is OOD done right", where one of OOD basic approaches is to create classes and methods from nouns and verbs used by users describing the problem; then DDD looks at how that noun or verb fits within the deeper context of what the users actually need
and "what the users actually need" is something no one not even them may even fully understand right away. but it will come to light after repeated brainstorming and refining and refactoring sessions between users smes and devs

#knowledgeCrunching #madQuestionAsking

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More from @refactorfiend

Oct 18, 2020
Domain Driven Design (DDD) made plain broke down to the bone gristle. cus i need that science to level up my code, but miss me with all the stuffy acronyms and jargon. 🧵
domain

- the actual problem
- what we're trying to solve with the code for the user
- the set of problems that the users ask the developers to solve
- the subject matter
domain driven

- problem focused
- to stay focused on the actual problem
Read 122 tweets
Oct 17, 2020
switching from management roles to individual contributor roles and still making the same if not more bread is a slept on power move
moral of the story if/when the toxicity and burnout gets to be to much - make lateral moves
with the quickness #manifesto
Read 6 tweets
Sep 30, 2020
How do y'all like to ramp up on new tech?

🧵
For me, when the need for a new language, library, framework, shiny thing, etc pops up - i find that i usually take the same general steps

and the 7-bullet list i jotted down in my notes became this thread:
1. pick a language, any language. or framework, library etc.

no tech is perfect. don't sweat it the choice too much. they all have pros and cons - but do try to pick one that has good community adoption so you can get help when you run into blockers
Read 13 tweets
Sep 30, 2020
re: adding code comments with respect to the single responsibility principle

As a #selfDocumentingCode fanatic, I do appreciate that some kinds of comments go a long way:

1/3
One comment/ blurb (1-3 lines):

- at the top of a class about the single responsibility of the class

- in the project readme/wiki about the single responsibility of the application

2/3
Some benefits:

- helps keep the class/application at the appropriate size

- helps make the class/application be easier to understand/work-with

3/3
Read 4 tweets
Sep 30, 2020
phrases never (before tonight) heard in a #PresidentialDebate

"shut up man"
"do you understand what this clown is doing"
"shush for a minute"
"lemme shut you down for a second"
"he's a fool"
"nobody cares"

I feel some more coming on
"you're the worst president evarr"
Read 4 tweets
Sep 28, 2020
"Always implement things when you actually need them,
never when you just foresee that you need them." - Ron Jeffries

i feel attacked 🙄

(over-abstraction is one of my guilty pleasures) 😅
like, sometimes i'll take that advice to "code to the interface" to the extreme, just cus i can, and i'll make everything an interface. what you can do with polymorphism and dependency injection is fun ...
but man is it an over-abstraction time suck when trying to just focus on "keeping it simple" KISS minimum viable product. gotta draw the line somewhere and make concrete classes and move forward ...
Read 4 tweets

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