If someone’s complaining about legacy systems, that means they’re deep in the weeds about to start the most heinous job in web services.

Dealing with legacy systems is like swimming through maple syrup. No one’s legacy systems are in good shape. They’ve been cobbled and duct-taped together for years. The previous redesign probably entailed a quick

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The hard part of computer programming isn’t expressing what we want the machine to do in code. The hard part is turning human thinking – with all its wooliness and ambiguity and contradictions – into computational thinking that is logically precise and unambiguous, and that can then be expressed formally in the syntax of a programming language.

A large fraction of the flaws in software development are due to programmers not fully understanding all the possible states their code may execute in. [...] No matter what language you work in, programming in a functional style provides benefits. You should do it whenever it is convenient, and you should think hard about the decision when it isn’t

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