space_voyager questions

• Does a namespace alias change linkage?
• Quaternion is flipping sign for very similar rotations?
• MATLAB performance benefit from clearing temporary variables?
• MATLAB 1/Inf default?
• Efficient colon operator for multiple start and end points
• Is reading a member that wasn't the most recently written in GCC undefined behavior?
• Concatenate matrices/vectors in Python like in MATLAB?
• C++ delete a pointer (free memory)
• Performance cost of passing by value vs. by reference or by pointer?

space_voyager answers