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The Psychology of Programming

Estimated time to read: 2 minutes

Cognitive Ergonomics in Software.

What metal image or clue forms in good programmer while they write i32

There are several keywords :

• interconnected layers :

  • Problem Domain Layer: Can this count negative values?

  • Hardware Layer: 4 bytes in memory (32 contiguous bits)

  • Boundary Layer: Range: -2,147,483,648 to 2,147,483,647

• Internal Checklist:

  • Hardware/Spatial Model: stack or heap, register

  • Boundary Clues: overflow

  • Type Domain & ALternatives: why not u32, usuze, i64

Books Exploring Programmer Metal Models

• The Programmer's Brain by Felienne Hermans: In Progress

• Software Design for Flexibility by Chris Hanson and Gerald Jay Sussman

• A Philosophy of Software Design by John Ousterhout

• Write Great Code, Volume 1: Understanding the Machine by Randall Hyde

Blogs

• Antti Halme

• Farnam Street

Mental models seem like such crucial and effective tools for mastering programming—why aren't they taught in the very first lesson of coding courses?

• The "Expert Blindness" Problem (The Curse of Knowledge)

• Cognitive Overload: You Can't Abstract What You Haven't Seen: A mental model is a compressed summary of reality.

• The Need for "Instant Gratification"

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