C4 Model
The C4 model describes software at four zoom levels and keeps deployment separate, so structure and where it runs stay two distinct questions.
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Work Log
Record attempts, observed results, assumptions, and decisions in a work log so later readers can understand why a change was accepted.
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Technical Search Query
Write a technical search query with the tool, operation, and relevant condition, preserve diagnostic details, and verify a found answer.
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Software Engineering Habits for Data Work
Make data changes easier to verify and recover with tests, focused reviews, incremental refactoring, and useful operational documents.
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Docstring
Learn how a docstring documents a function’s purpose, inputs, and result, how it differs from a comment, and where help and tooling read it from.