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Map functions are hard to “get” in the abstract. This looks at two mental models that helped me understand them better.
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Lucky, a new Crystal web framework built to catch bugs at compile time, run quickly, and help you write maintainable code.
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Elm is strongly-typed; JavaScript is not. Communication between the two is paramount for large applications and ports enable this.
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factory_girl is becoming factory_bot.
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Clean up Maybe by modeling multiple shapes of data with union types.
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An intro to functional state management for your Chrome extensions using Redux.
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Find out different ways to access hash values in Ruby and save the dinosaurs at the same time.
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Your test suite used to be lightning fast but now it’s starting to feel a bit sluggish. Before adding CI parallelization, let’s see if there’s any clutter to remove.
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Refactor common Boolean smells using enums (union types).
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Use interval and date_trunc to make working with SQL dates easier.