Killing Flaky Tests: Reproduce, Quarantine, Fix
A test that fails every time is annoying. A test that fails some of the time is corrosive. The always-failing
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Tag: Code Quality
The Strategy Pattern in Modern Code: From Class Hierarchies to Closures
Design patterns get a bad reputation when they’re taught as rigid recipes: memorize the UML diagram, create an abstract class,
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The Strategy Pattern in Go: Replacing Switch Statements with Interfaces
Every Go codebase has one: that function with a growing switch statement. It starts with two cases — a direct
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Test Doubles Demystified: Stubs, Spies, Mocks, and Fakes in Go
Automated tests that hit real databases, live APIs, and production file systems are slow, flaky, and expensive to maintain. The
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Mastering the Functional Options Pattern in Go
Constructors in Go are simple when a type has one or two fields. But the moment you start building something
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Effective Error Handling in Go: From `if err != nil` to `errors.AsType`
Go’s error handling gets a lot of attention — and a lot of criticism. The familiar if err != nil
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The Specification Pattern in Go: Composable Business Rules Without the Spaghetti
Business rules have a nasty habit of multiplying. What starts as a simple if check grows into nested conditionals scattered
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GitHub Actions: Practical CI/CD Patterns for Production Workflows
Editor’s note (September 12, 2026): Every pattern below still holds. Action pins were refreshed to current majors — checkout v7,
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The Strategy Pattern in Practice: Replacing Complex Conditionals with Composable Behaviors
Every codebase has one: a function that started as a simple if/else and grew into a 200-line switch statement with
Constraint Decay: Why Your AI Agent Forgets the Rules (and What to Do About It)
Editor’s note (September 12, 2026): Four months on, this piece holds up well — both studies remain the reference points
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