In a two-column liquid layout, if you are not floating all the id selectors, floated content should appear after nonfloated content in the source order.

y and z are user-defined objects and the += operator is an overloaded member function. The operator is overloaded such that y += z adds z and y, then stores the result in y. Which of the following expressions is always equivalent to y += z?

a. y = y operator+= z b. y.operator+=(z) c. y = y + z d. y operator+=(y + z)

Use the ____________________ if only minor adjustments are needed for the macro you have recorded.

Fill in the blank(s) with the appropriate word(s).