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  1. Mind the Cascade

    Today I decided to go through the model layer, implementing as many JUnit tests as I could, and completing all the actions I hadn't implemented yet. As I said before, I had just decided to stick to one-category-at-a-time scheme, having a hierarchical relationship between categories.

    I thought it would ...

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  2. Classifying account operations

    One of the things that made me start coding PennyBank was the idea of classifying account operations in various ways. I first thought about using categories, and letting the user add several ones to an account operation. That could be quite flexible, but after some time thinking, I realized that ...

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