MarJamRob questions

• Should I start a helper function with underscore(s)? [duplicate]
• Is the c++ hash function reasonably safe for passwords?
• Reference to function is ambiguous [duplicate]
• Finding the amount of rows and columns for a 2-D array in C++
• How can I sum a column of a list?
• Do I need a "/" at the end of an <img> or <br> tag, etc.? [duplicate]
• When is "i += x" different from "i = i + x" in Python?

MarJamRob answers