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This tricky bug requires us to pull out a variety of debugging techniques.
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Elm’s DOM event handlers fail silently. Here’s how to debug them.
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Learn how to filter events in Elm and create an onEnter event handler!
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Fake out your HTTP requests for a tighter iteration cycle.
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Solving a Maybe problem is often easier than solving a Decode one.
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When you spot Maybe List in your code, it may be time to think about alternatives.
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Elm types like String can represent an infinite number of possible values. Let’s use types to reduce that number and better declare intent.
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If you’ve had trouble wrapping your head around what a Cmd Msg “is” in Elm, then you might find this explanation helpful.
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When you’re stuck, the best solution is often to represent the problem in a different medium.
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Elm’s type system gives us some great tools for modeling gamedev.