The conditional operator (?:):
a. Is the only ternary operator in C++.
b. Is a unary operator.
c. Associates from left to right.
d. Accepts two operands.
a. Is the only ternary operator in C++.
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Answer the following statements true (T) or false (F)
1. Insertion into a vector runtime is O(1) at any position in the vector. Explain what ‘runtime is O(1)’ means. 2. Insertion into an STL list takes O(1) time at any position in the list. What does ‘ takes O(1) time’ mean? 3. STL ranges [first, last) are always ‘half-open’ – from the first element to a designation for one past the last element. 4. Given a map m, the expression m["value"] will return NULL if there is no string named "value" stored in the map. 5. Elements of a set and map are stored in sorted order.
How is the priority at which a process runs normally set?
A. The process priority is normally set in the program code of the application. If not specified, it is run at normal priority. B. The process priority is always determined by the system, and is always set to normal. C. The process priority is dynamic and is adjusted by the system depending on the needs of the process. D. The process priority is always set to normal, unless the administrator intervenes.
Identify the letter of the choice that best matches the phrase or definition.
A. Select cells using the keyboard. B. Copies a formula. C. Applies the Currency style with a floating dollar sign and two decimal places. D. Wraps text in a cell. E. Spell-checking a worksheet. F. Manually recalculates formulas. G. Pastes a formula. H. Opens the Format Cells dialog box. I. An invalid cell reference in a formula. J. Displays the worksheet with formulas.
What command below could be used on a UNIX system to help locate log directories??
A. ?show log B. ?detail C. ?search D. find?