Paul92 questions

Paul92 answers

• sql order by from highest to lowest value
• Accessing struct data members via pointer arithmetic
• Random array generation with no duplicates
• When do I use '#include <string>' at the start of a C++ program?
• How to use estimateRigidTransform in OpenCV 3.0 or higher, Is there any other alternative?
• Is this the right way to find a checksum?
• The program doesn't stop on scanf("%c", &ch) line, why? [duplicate]
• Why do we cast return value of malloc? [duplicate]
• Python tuple vs generator
• double free or corruption (fasttop)