bcf questions

• Why is <algorithm> not needed for std::copy or std::swap?
• Reverse DataFrame Column, But Maintain the Index
• How to declare the type of a function that returns an array in Fortran?
• Why is copy constructor not called
• Slicing Series in pandas
• Why doesn't the last command variable "_" appear in dir()? [duplicate]
• Assign vector address to iterator
• Adding doubles and complex numbers in C++
• Java hashCode(): Override faster that native implementation?
• Efficient Double Sum of Products

bcf answers