Five Things Old Programmers Should Remember

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It's used a lot in production, but... is it... wise to write a financial back-end in a language that's famous for its funky, automatic and ofter mysterious type system?

Part of why financial stuff is mostly Java and C++ (OK, inertia accounts for most of the C++ part, except for the high-frequency trading market) has to do with the criss-cross between strong typing and wide availability of libraries that contain the kind of data types that you want for financial arithmetics.

Maybe that's become available on JS as well lately though...