Which of the following commands will count the number of lines in a file named data.csv?
A. lc data.csv
B. wc -l data.csv
C. lines data.csv
D. count -l data.csv
Answer: B
Computer Science & Information Technology
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To change an existing element of a vector you must use the __________ method.
a. add() b. set() c. change() d. mutate()
Computer Science & Information Technology
Write a statement that creates and initializes a static variable named salesTax to 7.59.
What will be an ideal response?
Computer Science & Information Technology
The ____ object verifies that the object on a Web form contains data.
A. EmptyObject B. ObjectNull C. RequiredFieldValidator D. ObjectRequired
Computer Science & Information Technology
A ____ is the DNS server that is the main administrative server for a zone.
A. primary DNS server B. secondary DNS server C. host DNS server D. stub DNS server
Computer Science & Information Technology