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java - Double vs. BigDecimal? - Stack Overflow There are two main differences from double: Arbitrary precision, similarly to BigInteger they can contain number of arbitrary precision and size (whereas a double has a fixed number of bits) Base 10 instead of Base 2, a BigDecimal is n*10^-scale where n is an arbitrary large signed integer and scale can be thought of as the number of digits to move the decimal point left or right It is still
What does the !! (double exclamation mark) operator do in JavaScript . . . The double "not" in this case is quite simple It is simply two not s back to back The first one simply "inverts" the truthy or falsy value, resulting in an actual Boolean type, and then the second one "inverts" it back again to its original state, but now in an actual Boolean value That way you have consistency:
Why would you use float over double, or double over long double? I understand that float has a smaller range than double making it less precise, and from what I understand, long double is even more precise (?) So my question is why would you want to use a variable that is less precise in the first place? Does it have something to do with different platforms, different OS versions, different compilers?
How do I convert a double into a string in C++? - Stack Overflow The easiest way to convert a double into a string is via std::to_string but unfortunately it's pretty broken up to C++23 (e g it poorly handles small and large in magnitude numbers due to fixed format) although it may be fixed in C++26