________ is used to indicate that a value is unknown, and it is treated differently than other values because it has no value
Fill in the blank(s) with correct word
Null
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Which of the following is not overloaded for strings?
a. -= b. >> c. += d. getline()
The ____________________ time of a page is the amount of time it takes the page to load into a browser.
Fill in the blank(s) with the appropriate word(s).
________ errors may indicate that an attacker is trying to send invalid data to the server.
A. 404 B. 303 C. 500 D. 512
?Match each correct item with the statement below.??
A. ?The joining of text together to make on larger whole. In Linux, words and strings of text are joined together to form a displayed file. B. A popular and widespread text editor more conducive to word processing that vi. It was originally developed by Richard Stallman.? C. ?A common text editor used within GUI environments. D. A Linux command that displays the first set of lines of a text file.? E. ?The files that represent the same data as other files. F. ?A Linux command used to display the contents of a file in octal format. G. ?A named pipe connecting processes on two different computers; it can also be represented by a file on the filesystem. H. ?A Linux command used to search for and display text characters in a binary file. I. A Linux command used to display lines of text at the end of a file.? J. ?A powerful command-line text editor available on most UNIX and Linux systems.