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Discussion on: The myth of "never going back to fix it later"

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Matthieu Cneude

"premature optimization is the root of all evil" is more about performance.

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Jason C. McDonald

I know, but the idea ports to other forms of optimization, such as scalability to a load many times greater than a realistic scenario, adding support for extensions to a single-purpose tool, and so forth. I see the Java habit of "always use double" even when the data will never need to store to more than single decimal place as an example of this, too.